JPH1149444A - Sound recoding device for elevator operation - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sound recording device for an elevator operation capable of recording unusual noise generated in running operation of the elevator to serve for specifying why and where the unusual noise is generated. SOLUTION: A sound recording device for an elevator operation has a CPU 8a to control the elevator, a monitoring center 25 connected to the CPU 8a via a telephone line 24 for remote monitoring and a recoder 26 provided in a box. The CPU 8a executes unusual noise identifying operation to reciprocatingly operating the box between the highest floor and the lowest floor in accordance with an unusual noise identifying operation order from the monitoring center and recording by the recorder 26, so that the first specified transmission sound is generated at starting operation and at stopping operation and the second specified transmission sound is generated in detecting a floor detecting plate during running, and the recorder 26 records noise generated in unusual noise identifying operation.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator operation recording device for recording an abnormal sound generated during the operation of an elevator.

[0002]

2. Description of the Related Art FIG. 11 is a side sectional view of a hoistway, FIG. 12 is a top view of a hoistway, and FIG. 13 is a front view of a car inner door. In these figures, 1 is a hoistway, 2 is a machine room, 3 is a car, 4 is a hanging weight, 5 is a rope that hangs a car 3 and a hanging weight 4 in a hanging manner, and 6 is a hoisting car. 7 is a hoisting machine that raises and lowers the car 3, 7 a detects movement of the car 3,
A control device 8 which describes the current position of the car 3 and the current floor,
a car position detection encoder to be transmitted to a, 8 is a control panel, 8
a is a control device (CPU) for controlling the elevator, 9 is the lowest floor landing, 10 is the middle floor landing, 11 is the top floor landing, 1
Reference numeral 2 denotes a car door, 13 denotes a landing door, 14 denotes a floor detection plate installed near each floor of the hoistway 1, and 15 denotes a landing device attached to the car 3.

[0003] A rail 16 serves as a guide path when the suspended weight 4 is raised and lowered, 17 is a guide shoe for guiding the car 3 to the main rail 6, and 18 is a suspended weight 4.
, A guide sill 19, a landing sill 20, a car operation panel 21 provided on the car 3 for registering a destination floor call with a button, and a car control panel 22 provided in the car The position indicator 23 is externally attached to the control panel 8 and is a remote control device for transmitting and receiving information and data of the elevator to a monitoring center 25 for remotely monitoring the elevator installed outside through a telephone line 24. , 25a
Is a remote control terminal in the monitoring center 25 where it can be seen whether the elevator is operating normally.

In the above configuration, the car 3 suspended on the hoistway 1 by the rope 5 is moved up and down along the main rail 6 via the guide shoe 17. At the opposite end of the rope 5, a hanging weight 4 is hung in a hanging manner with the car 3, and ascends and descends along a rail 16 via a guide shoe 18. Also, the landing door 13 of the landing on each floor opens and closes along a groove of the landing sill 20, and the car door 12 opens and closes along a groove of the car sill 19. Further, when the landing device 15 attached to the car 3 detects the floor detection plate 14 installed near each floor of the hoistway 1, it gives a detection signal to the control panel 8, and the control panel 8 Is recognized, and the elevator is stopped or the floor display of the position indicator 22 provided in the car is updated.

[0005] Incidentally, when the monitoring center 25 is contacted by a customer that an abnormal noise is heard while the elevator is running, in such a case, the nearest maintenance person repairs the vehicle according to an instruction from the monitoring center 25. After checking the elevator status, the cause of the abnormal noise was removed. The elevator always moves up and down. The causes of the abnormal noise include the sliding noise caused by the lack of oil between the car guide shoe 17 and the main rail 6 and the opening and closing of the landing door 13 due to the entry of stones and sand into the groove of the landing threshold 20. There are various causes, such as the noise generated by rubbing, and maintenance personnel check the location and location of the noise and then remove the cause.

[0006]

Currently, the monitoring center 2
In FIG. 5, the state where the elevator stops halfway, does not move, or the door does not close is monitored, but the abnormal sound is not monitored. Therefore, the maintenance staff is operated at the site when there is a contact from the customer, but in many cases, the sound has already been corrected upon arrival. Nevertheless, in order to identify the cause of the sound, the location of the sound is estimated based on the story of the person who contacted and the investigation is performed, but the sound may or may not be generated depending on the load weight of the car 3 and the situation at that time. It is difficult to find the cause if the location of the sound or the type of the sound is unknown. In addition, there are some cases where the contact person is absent, and even the guess from the story may not be possible. Under such circumstances, if the maintenance staff is normal when arriving at the site due to an abnormal elevator sound, there is a problem that the cause is hard to be identified even though the investigation takes time.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems of the prior art, and is intended to record an abnormal sound generated during the operation of an elevator to identify the cause and location of the abnormal sound. The aim is to obtain an elevator operating recording device that can be useful.

[0008]

According to the present invention, there is provided an elevator operating recording apparatus, comprising: control means for controlling an elevator; a monitoring center connected to the control means via a telephone line for remote monitoring; A recording device provided in the monitoring device, wherein the control means controls the car to reciprocate between a top floor and a bottom floor based on an abnormal sound confirmation operation command from a monitoring center, and the recording device. A specific first dial tone at the start of the operation and at the stop of the source, and a specific second dial tone at the time of detection of the floor detection plate during traveling. The recording device records a sound generated during the abnormal sound checking operation.

In addition, the control means causes the car to travel to a specific floor based on a specific floor abnormal sound confirmation operation command from the monitoring center, and causes the recording device to record a door opening / closing sound after stopping at the specific floor. It is characterized by executing a floor abnormal sound confirmation operation.

[0010] Further, a recording device is further provided in a machine room of the elevator to record a sound generated during an abnormal sound confirming operation.

Further, the monitoring center is further provided with a receiver for receiving the sound recorded in the recording device via a telephone line.

Further, the present invention is characterized by further comprising a maintenance portable device connected to the recording device and displaying a graph of all noise data during operation.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION

Embodiment 1 FIG. 1 to 4 show a configuration according to a first embodiment of the present invention. FIG. 1 is a side view of a hoistway, and FIG.
Is a top view of the hoistway, and FIG. 3 is a front view of the door inside the car. FIG.
It is explanatory drawing which shows the in-car recording device provided in the car operation panel. In these figures, the same parts as those in the conventional example shown in FIGS. 11 to 13 are denoted by the same reference numerals, and description thereof will be omitted. Reference numeral 26 denotes an in-car recording device connected to the control device 8a for controlling the elevator through a transmission control line 27 and provided in the car operation panel 21. As shown in FIG.
Transmission control unit 26 controlling information transmission and recording device
a, an IC recording section 26b for recording the sound in the car, an operation section 26c for the recording apparatus to be manually operated by maintenance personnel, a speaker 26d for recording / reproducing and generating a car position tone, and a microphone 26e for picking up the sound in the car. It is configured. Control panel 8
In the control device (CPU) 8a, not only a control program for controlling the elevator, but also an abnormal sound confirmation operation program and a control program for the in-car recording device are incorporated.

Hereinafter, the operation according to the first embodiment will be described.
This will be described with reference to a control flowchart by the control device (CPU) 8a shown in FIG. When there is a notification from the customer that the monitoring center 25 has an abnormal sound (S1), an abnormal sound confirming driving operation is performed on the remote control terminal 25a, and a command is transmitted to the corresponding elevator (S2). The elevator is
Upon receiving the abnormal sound confirmation operation command from the monitoring center 25, the operation shifts to the abnormal sound confirmation operation (S3), and the control device (CPU) 8
In a, first, a call for the lowest floor landing 9 is registered and a descent operation is started (S4). When you arrive at the lowest floor landing 9 (S5),
After the door is opened for a predetermined time, the door is closed (S6), and the in-car recording device 26 is set to a recording state (S7).

Next, the CPU registers and raises the call for the top floor landing 11 (S8). When the elevator is activated, the in-car recording device generates a beep sound “Pi-Pi” twice as a specific first beep sound.
e is recorded (S9). The elevator runs and the landing device 1
When 5 detects the floor detection plate 14 (S10),
The in-car recording device generates a beep once as a specific second beep (S11), and records the passage of the hall as a voice. Next, when the elevator stops (S12), the specific first dial tone sounds twice and the stop is recorded (S13). If the vehicle is still running, the process returns to (S10). The door is stopped, the door is opened for a predetermined time and then closed (S14), and it is determined whether or not the stopped floor is the top floor landing 11 (S1).
5).

If the stopped floor is the top floor landing 11, (S
15) Then, the CPU registers a call for the lowest floor 9 and lowers the elevator (S16), and records a start-up by sounding a dial tone twice (S17). When the landing device 15 passes through the floor detection plate 14 during the descending operation (S1).
8), a dial tone sounds once and the hall passage sound is recorded (S1).
9). Thereafter, when the elevator stops (S20), a stop confirmation dial tone is recorded twice (S21), and the door is opened and closed for a predetermined time (S22). If the stopped floor is the lowest floor hall 9 (S23), the car 3 has made one round trip between the lowest floor hall 9 and the top floor hall 11, and the car recording 1 device 26
Is stopped (S24), and the remote control device 23 transmits to the monitoring center 25 that the abnormal operation sound confirmation operation has been completed (S25). When the monitoring center 25 receives the abnormal sound confirmation operation end signal (S26), the remote control terminal 25
The abnormal sound confirmation operation is terminated in a (S27), and a series of operations is terminated.

Next, when the maintenance staff arrives at the site and performs a trial operation but there is no sound, the operation unit 2 of the in-car recorder 26 is operated.
By operating the 6c and reproducing the recorded sound, the place where the sound is generated and the type of the sound are specified, and repair is started. For example, in the elevators from the first floor to the third floor, the playback sound starts from "Pi-Pi" (starts rising from the first floor) and "Pi" (2
If "an abnormal sound like rubbing of metal" is included immediately after (passing through the floor), it is understood that some metal is in contact with the metal near the passage on the second floor during the ascent. In the same elevator, "Pi-Pi" (start on the first floor), "Pi"
(Passing on the second floor), "Pee-Pi" (stop on the third floor), and "sliding sound" indicate abnormal sounds after stopping on the third floor on the top floor, while the door on the third floor is being opened and closed. You can see that it is an abnormal sound.

As described above, the monitoring center 2
5 When the elevator abnormal sound is notified, not only can the remote operation be used to immediately record the abnormal sound while the elevator is running, but when the elevator starts or stops, two beeps will sound and the floor on each floor will stop. When the car passes, the beep sound can be recorded once and the car position can also be recorded by voice signal at the same time. Therefore, when the maintenance staff checks the site, even if the car is normal, the car recorder 26 is regenerated and the elevator is running. You will be able to see what kind of sound is going where.

Embodiment 2 FIG. 6 is a machine room side view for explaining the second embodiment. In FIG. 6, reference numeral 25b denotes a receiver connected to a remote control terminal 26a in the monitoring center 25 as a new code.

In the second embodiment, similarly to the first embodiment, the configuration shown in FIGS. 1 to 4 is provided, and the receiver 25b is provided. When the monitoring center 25 receives the notification that the elevator is running, the monitoring center 25 remotely gives an instruction of an abnormal sound confirming operation to the elevator, and records the sound inside the car during the traveling of the elevator in the car recording device 26.
And the sound in the car is transmitted to the receiver 25b of the monitoring center 25 via the transmission control line 27 and the telephone line 24.
You can hear from.

Therefore, at the monitoring center 25, the maintenance staff can confirm the situation in the car by voice before going to the site, and can instruct the maintenance staff exactly where and what sound is being made. Become. Further, since the status of the sound can be directly confirmed by voice, it is possible to determine in advance whether or not an emergency is required, which is very useful for a work instruction to maintenance personnel.

Embodiment 3 FIG. FIG. 7 is a machine room side view for explaining the third embodiment. In FIG. 7, as a new reference numeral 28, a machine room recording device is provided on a side surface of the control panel 8 in the machine room 2, and other configurations are the same as those in the first and second embodiments. .

Important equipment such as a hoist 7 for driving the car 3 is installed in the machine room 2, and an abnormal sound from the machine room 2 is a precursor to a serious situation for the equipment. is there. Therefore, if there is a customer contact that abnormal sound is heard from the machine room 2, an abnormal sound confirmation operation is performed as in the second embodiment, and the sound of the machine room is recorded by the recording device 2.
8, the sound can be confirmed from the receiver 25b of the monitoring center 25 via the telephone line 24, and an appropriate instruction can be given to the maintenance staff. Depending on the situation of the sound, the maintenance staff visits the site. It is possible to ask the customer to stop the elevator till the customer to minimize the damage.

Embodiment 4 FIG. 8 shows a display example of the remote operation terminal 25a of the monitoring center 25 according to the fourth embodiment, and has a configuration similar to those of the first to third embodiments. In the above-described first embodiment, the elevator is always moved back and forth once between the lowest floor and the highest floor in the abnormal sound confirming operation command operated remotely from the monitoring center 25. However, even if there is a sound when the door opens and closes on the second floor by contacting the customer, the abnormal sound confirmation operation by remote control does not stop on the second floor, which is the middle floor, so the door opening and closing sound on the second floor does not stop. I could not record.

In the fourth embodiment, a remote control terminal 25a and a control device (CPU) 8a of the monitoring center 25 are provided with a function of confirming a specific floor abnormal sound. If there is an abnormal sound when opening and closing the door on the second floor, enter the abnormal sound generation floor on the display of the remote control terminal 25a on the second floor and enter the state of door opening and closing, and select the specific floor abnormal sound confirmation operation. Then, the elevator moves to the second floor, the recording device in the car is set to the recording state after stopping, the door is opened and closed, and the specific floor abnormal sound confirming operation ends. After arriving on the second floor, the user can operate to record only while the door is opened and closed.

As described above, by adding the specific floor abnormal sound confirming driving function, not only the effect described in the first embodiment can be obtained, but also the door opening / closing sound of the specific floor can be remotely recorded. As a result, it is possible to record sound in all states in the car.

Embodiment 5 FIG. FIG. 9 relates to the fifth embodiment, and is a diagram in which a maintenance portable terminal 29 is connected to an in-car recording device 26. As shown in FIG.
Reference numeral 9 includes a display unit 29a and an operation unit 29b. FIG. 10 shows a display example of the display on the maintenance portable terminal display unit 29a.

In the first embodiment described above, the car position is recorded by the sound emitted by the recording device 26 itself.
In the fifth embodiment, the sound in the car is recorded as a voice, and the noise data is converted into a voltage and stored in the transmission control unit 26a. Further, the current position of the car 3, the traveling speed of the car 3, and the open / closed state of the door 3 are simultaneously recorded by the encoder 7 a and the landing device 15. The maintenance person connects the portable terminal for maintenance 29 to the recording device 26 in the car,
By operating, as shown in FIG. 10, the horizontal axis represents the current position of the car, the upper part of the vertical axis represents noise data, the middle part represents the car speed, and the lower part represents the open / closed state of the door. Here, when the cursor 29c is positioned on the maximum noise data, the current car position and the noise value of the corresponding portion are displayed at the bottom of the screen. In the display example of FIG. 10, it is easily understood at a glance that the maximum noise value is 46 dB while the vehicle is rising near 58 mm above the floor of the landing.

In the above-described first embodiment, the dial tone at the time of passing through the hall is recorded in the in-car recording device 26 as a method of knowing the current position of the car 3. However, as the number of stops increases, it is easy to lose track of the floor. In addition, the place where the abnormal sound is generated can be roughly grasped only after passing through the 〇 floor ○ seconds. However, in the fifth embodiment, the maintenance portable terminal 29 is provided with all the abnormal sounds during the operation for confirming the abnormal sound. The noise data is displayed in a graph, and it is possible to easily know the detailed place where the sound is generated.

[0030]

As described above, according to the recording apparatus for driving an elevator according to the present invention, control means for controlling the elevator, and a monitoring center connected to the control means via a telephone line for remote monitoring. And a recording device provided in the car, wherein the control means performs an abnormal sound confirming operation for causing the car to reciprocate between the top floor and the lowest floor based on the abnormal sound confirming operation command from the monitoring center; Recording is performed by the recording device, and a specific first dial tone is generated at the start of the operation and at the stop of the source, and a specific second dial tone is generated at the time of detection of the floor detection plate during traveling. The recording device records the sound generated during the abnormal sound checking operation, so that the sound of the traveling operation and the car position signal sound can be recorded from outside by remote control from the outside. Already Even if it is a normal state, it can help identify to the cause and place of occurrence of the abnormal sound by recording an abnormal sound generated during the elevator driving operation.

In addition, the control means causes the car to travel to a specific floor based on a specific floor abnormal sound confirmation operation command from the monitoring center, and causes the recording device to record a door opening / closing sound after stopping at the specific floor. Since the floor abnormal sound confirmation operation is executed, it is also possible to record a door opening / closing abnormality of a specific floor.

Further, since a recording device is further provided in the machine room of the elevator to record a sound generated during the operation of confirming an abnormal sound, the abnormal sound generated in the machine room can also be recorded, thereby minimizing damage. The stop can be prevented from being enlarged.

Further, the monitoring center is further provided with a receiver for receiving the sound recorded in the recording device via a telephone line, so that the monitoring center can check the abnormal sound and give an appropriate instruction. Can be.

Further, since a maintenance portable device which is connected to the recording device and graphically displays all noise data during operation is further provided, detailed data on occurrence of abnormal sound can be easily confirmed by display.

[Brief description of the drawings]

FIG. 1 is a hoistway side view for explaining a configuration according to the present invention.

FIG. 2 is a hoistway top view for explaining a configuration according to the present invention.

FIG. 3 is a front view of a door in a car for explaining a configuration according to the present invention.

FIG. 4 is a configuration diagram of the in-car recording device of the present invention.

FIG. 5 is a flowchart showing the operation of the present invention.

FIG. 6 is a machine room side view showing Embodiment 2 of the present invention.

FIG. 7 is a machine room side view showing Embodiment 3 of the present invention.

FIG. 8 is an explanatory diagram of a display example of a display of a monitoring center according to a fourth embodiment of the present invention.

FIG. 9 is a connection diagram of an in-car recording device and a maintenance portable terminal according to a fifth embodiment of the present invention.

FIG. 10 is an explanatory diagram showing a display example of a maintenance portable terminal display according to Embodiment 5 of the present invention.

FIG. 11 is a hoistway side view according to a conventional example.

FIG. 12 is a top view of a hoistway according to a conventional example.

FIG. 13 is a front view of a door in a car according to a conventional example.

[Explanation of symbols]

2 machine room, 3 cars, 8 control panel, 8a control device (CPU), 14th floor detection plate, 21 car operation panel, 24 telephone lines, 25 monitoring center, 25b
Surveillance center receiver, 26 car recorder, 28
Machine room recording device, 29 Mobile terminal for maintenance.

Claims (5)

[Claims] 1. A control means for controlling an elevator, a monitoring center connected to the control means via a telephone line for remote monitoring, and a recording device provided in a car, the control means comprising: An abnormal sound confirming operation for causing the car to reciprocate between the top floor and the lowest floor based on the abnormal sound confirming operation command from the center and a recording by the recording device are executed, and when the operation starts and the operation stops, respectively. The recording device generates a specific first dial tone and generates a specific second dial tone upon detection of the floor detection plate during traveling.
An operating sound recording device for an elevator, characterized by recording a sound generated during the abnormal sound confirming operation. 2. The control device according to claim 1, wherein the control unit causes the car to travel to a specific floor based on a specific floor abnormal sound confirmation operation command from the monitoring center, and causes the recording device to record a door opening / closing sound after stopping at the specific floor. The elevator operating sound recording device according to claim 1, wherein the floor abnormal sound confirming operation is executed. 3. The recording device for operating an elevator according to claim 1, further comprising a recording device further provided in a machine room of the elevator, for recording a sound generated during the operation for confirming an abnormal sound. 4. The elevator according to claim 1, wherein the monitoring center further includes a receiver for receiving a sound recorded in the recording device via a telephone line. Driving recording device. 5. The elevator according to claim 1, further comprising a maintenance portable device connected to said recording device and displaying a graph of all noise data during operation. Sound recording device.