JPH06219663A - Safety device for elevator maintenance - Google Patents

Abstract

PURPOSE:To enhance the safety of elevator maintenance workmen and the effectiveness in works by certainly informing the workmen in advance the information on the safety items and technical items concerning the maintenance works of the elevator. CONSTITUTION:A safety device for elevator maintenance is provided with a machine room 1 for elevator 1 and maintenance switches 8a-8c to be put on at the start of maintenance works and audio signal transmitting devices 9a-9c giving audio information, and these switches 8a-8c and devices 9a-9c are located where the maintenance works are done such as upon the car 2 of elevator or in the pit 4 situated at the bottom of an elevator path 3 for rising and sinking of the car. The machine room 1 includes a built-in memory device 7 which accommodates the safety traits in accordance with each place of maintenance works and also the audio information of the technical items, and further a computational processing device 6 is furnished which judges the combination of the maintenance switch operating conditions and gives under control the audio information stored in the memory device to the place of maintenance works via an audio signal transmitting device.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the maintenance of an elevator for improving the safety and work efficiency of the maintenance worker by notifying the maintenance worker in advance of information on safety matters and technical matters concerning the maintenance work of the elevator. It concerns safety devices.

[0002]

2. Description of the Related Art Conventionally, when starting maintenance of an elevator,
The maintenance worker usually confirms the work contents and safety matters on the day of work at the site by using an instruction sheet or the like. However, when performing work alone, a skilled person may omit confirmation of safety matters due to many years of experience.

Further, conventionally, for the convenience of the elevator user, a voice transmitter is installed in the elevator car and in the getting on / off floor to provide information on the current state of the elevator car. Such a voice generator does not have a function of providing information to maintenance workers involved in maintenance.

That is, in the maintenance of the elevator,
The maintenance work position is not limited to the inside of the car, but also the elevator machine room, the car, the pit, and other hoistways, and the distance between the maintenance work position and the voice transmission device installed only in the car. The sound generated by the sound generating device does not reach the maintenance staff because they are distant from each other.

[0005]

As described above, conventionally, during the maintenance work of the elevator, it may be neglected to confirm safety matters, and the sound generation device installed in the elevator car or on the boarding / alighting floor may be used. Was unable to reliably inform maintenance personnel of safety and technical information regarding elevator maintenance work.

The present invention has been made in order to solve the problems of the conventional example as described above, and by surely informing the maintenance worker in advance of information on safety matters and technical matters concerning maintenance work of the elevator. It is an object of the present invention to obtain an elevator maintenance safety device capable of improving the safety and work efficiency of maintenance workers.

[0007]

An elevator maintenance safety device according to claim 1 of the present invention is a machine room for an elevator,
At the maintenance work points such as pits located at the top of the elevator car and at the bottom of the hoistway where the car goes up and down, maintenance switches that are operated at the start of work and a voice transmission device that outputs voice information are provided, and the above machine The room has a built-in storage device that stores voice information of safety and technical matters according to the maintenance work location of the elevator, and determines the combination of the operation states of the maintenance switches to determine the above-mentioned voice transmission device at the maintenance work location. It is characterized in that it is provided with arithmetic processing means for controlling the output of the voice information in the storage device via the.

The elevator maintenance safety device according to claim 2 is operated at the start of work at maintenance work points such as a machine room of an elevator, a car above the elevator, and a pit located at the bottom of a hoistway where the car goes up and down. A maintenance switch and a voice transmission device that outputs voice information are provided, and a storage device that stores voice information of safety matters and technical matters according to the maintenance work place of the elevator is built in the machine room. However, a relay circuit for controlling output of voice information in the storage device via the voice transmission device is provided at a maintenance work location by a combination of relays that are excited and controlled according to the operation state of the maintenance switch. To do.

[0009]

In the maintenance safety device for an elevator according to claim 1 of the present invention, the arithmetic processing unit causes maintenance work points such as a machine room of the elevator, a car top of the elevator, and a pit located at the bottom of the hoistway where the car goes up and down. The combination of the operating states of the provided maintenance switches is determined, and the voice information stored in the storage device is output controlled by the voice transmitting device at the maintenance work location where the maintenance worker is present.

Further, in the elevator maintenance safety device according to the second aspect of the present invention, the relay circuit composed of the combination of the relays which are excited and controlled according to the operation state of the maintenance switch is stored in the maintenance work site through the voice transmission device. Output control of audio information in the device.

[0011]

【Example】

Example 1. Embodiment 1 of the present invention will be described below with reference to the drawings. FIG. 1 is a configuration diagram illustrating an elevator maintenance safety device according to a first embodiment. In FIG. 1, 1 is a machine room for elevators, 2 is an elevator car for passengers to get on and off, 3 is a hoistway for moving up and down the car 2, 4 is a pit located at the bottom of the hoistway 3, and 5 is inside the machine room 1. Is a control device that is provided in the vehicle and controls the elevator.

Reference numeral 6 denotes an arithmetic processing unit provided in the machine room 1, which has a built-in storage unit 7 in which voice information of safety matters and technical matters concerning elevator maintenance work is stored in advance. A maintenance switch 8a is provided in the control device 5 and is normally in an OFF state, and is turned on by a maintenance worker at the start of maintenance work.
Reference numerals 8b and 8c are maintenance switches provided on the car 2 and the pit 4, respectively, which are in an ON state during the control operation of the elevator and are turned off by a maintenance worker during maintenance work.

Further, 9a, 9b and 9c are provided in the control device 5, the car 2 and the pit 4, respectively, and are stored in the storage device 7 in the arithmetic processing device 6 by operating the respective maintenance switches. The voice generation device outputs the voice information by transmitting the voice information via the transmission path 10.

Here, the storage unit 7 of the arithmetic processing unit 6 is described.
As shown in FIG. 3, the execution commands PRG1 to PRG
Message content M1 corresponding to the processing name of G4, RSET
~ M5 are stored. For example, as the message content M1, "Is your physical condition perfect today?", "Is the work cap, work clothes, safety shoes clean or not?" Do you want to do this? ”,“ What are you doing today? ”, And the message content M2 is“ Is there enough foothold on the car? ”,“ Do not drop tools ”,“ Overhead ”. "Be careful of the equipment", "Be careful of the passing of the counter", etc.

Similarly, as the message content M3, "is the lighting sufficiently secured?", "Please be careful of the protrusions above the head", "fix the stepladder when the stepladder is raised and lowered. Etc. Furthermore, the message contents M4 include "Is the trial run enough?", "Isn't you forgetting the tools?", "Is the workplace dirty?", "So clean and tidy", etc. Is.

Next, the operation of the above configuration will be described with reference to the operation flowchart of the arithmetic processing unit 6 shown in FIG. In the configuration shown in FIG. 1, when the maintenance worker first turns on the maintenance switch 8a installed in the machine room 1 at the start of the maintenance work (step S21),
As a result, the execution command PRG1 is activated, this execution command PRG1 is transmitted to the arithmetic processing unit 6, the message content M1 corresponding to this execution command PRG1 is read out from the storage device 7, and is transmitted via the voice transmission device 9a to the machine room. 1 is output (step S22).

With the maintenance switch 8a turned on, the maintenance worker moves to the car 2, and the maintenance switch 8b installed on the car 2 by the maintenance worker turns off the OF.
When it is F (step S23), the execution command PRG2 is activated and transmitted to the arithmetic processing unit 6, and the message content M2 corresponding to the execution command PRG2 is sent from the storage device 7 to the car 2 via the voice transmission device 9b. Is output (step S24).

When the maintenance worker moves into the pit 4 while the maintenance switch 8a is turned on, and the maintenance switch 8c installed in the pit 4 is turned off by the maintenance worker ( Step S25), execution command P
The RG3 is activated and transmitted to the arithmetic processing unit 6, and the message content M3 corresponding to the execution command PRG3 is output from the storage unit 7 into the pit 4 via the voice transmitting device 9c (step S26).

After that, when the maintenance worker returns to the machine room 1 and the maintenance switch turns off the maintenance switch 8a installed in the machine room 1 (step S27), the execution command PRG4 is activated and the calculation is performed. The message content M4 at the end of maintenance according to this execution command PRG4 is transmitted to the processing device 6, and is read out and output into the machine room 1 via the voice transmitting device 9a (step S28). The execution command PRG4 is activated for 1 minute, for example, and after the activation, each execution command is reset.

In this way, by combining the switch signal for maintenance at the place where the maintenance work position is different such as on the machine room 1, the car 2, the pit 4, etc., the preset message contents are outputted to the designated place, and the maintenance is performed. It is possible to output voice information supporting the work to the maintenance worker, and secure safe and efficient work.

Further, the type of the maintenance switch is not limited to the one installed for each work site, but if a position switch indicating the elevation height of the car is used, more detailed message contents can be provided to the maintenance worker. It is possible.

Example 2. In the first embodiment described above, the arithmetic processing unit 6 is provided with a program for outputting preset message contents to a designated location by combining the respective maintenance switch signals, and the software processing is performed. The processing can also be performed by an electric circuit.

FIG. 4 shows the software processing of the first embodiment shown in FIG. 2 configured by a relay circuit. That is, in FIG. 4, 11 is a relay excited by turning on the maintenance switch 8a in the machine room 1, 12 is a starting relay for the execution command PRG1 excited by closing the contact 11a of the relay 11, The message content M1 is output from the voice generator 9a in the machine room 1 by the excitation of the starting relay 12.

Further, 13 is a relay that is de-excited by the opening operation of the maintenance switch 8b installed on the car 2 (excited during normal elevator control operation), and 14 is the contact 13a of the relay 13 closed. Execution command PRG2 excited by the closing and closing of the contact 11b of the relay 11
In the starting relay, the message content M2 is output from the voice generating device 9b on the car 2 by the excitation of the starting relay 14.

Reference numeral 15 is a relay that is demagnetized by the opening operation of the maintenance switch 8c installed in the pit 4 (excited during normal elevator control operation), and 16 is the closing and closing of the contact 15a of the relay 15. Execution command PRG3 excited by closing the contact 11c of the relay 11
In the starting relay, the message content M3 is output from the voice generator 9c in the pit 4 by the excitation of the starting relay 16.

Further, 17 is a machine room 1 by a maintenance worker.
When the maintenance switch 8a installed in the relay is turned off, when the contact 11d of the relay 11 is closed, the relay is excited through the DO timer 21 for, for example, 1 minute, and 18 is excited by closing the contact 17a of this relay. Execution command PRG
The execution command PRG4 is activated by excitation of the activation relay 17 in the No. 4 activation relay, and the message content M at the end of maintenance according to the execution command PRG4 from the storage device M
4 is read and output to the machine room 1 via the voice transmission device 9a (step S28).

Further, reference numeral 19 denotes the execution command PR when the contact 11e of the relay 11 is closed when the maintenance switch 8a installed in the machine room 1 is turned off by the maintenance worker.
One minute after the activation of G4, the relay is excited via the PU timer 22, 20 is a relay excited by closing the contact 19a of this relay 19, and the above execution commands are activated by the excitation of this relay 20. Will be reset.

Therefore, according to the second embodiment as well, the preset message contents can be output to the designated place by combining the maintenance switch signals.
By configuring and implementing the first embodiment showing the software processing by the program with the relay circuit, the same effect as that of the first embodiment is obtained.

[0029]

As described above, according to the first aspect of the present invention, work is carried out at maintenance work points such as a machine room of an elevator, a car top of an elevator, and a pit at the bottom of a hoistway where the car ascends and descends. A memory that stores voice information of safety and technical matters according to the maintenance work location of the elevator in the machine room, as well as providing a maintenance switch that is operated at the start and a voice transmission device that outputs voice information Since it has a built-in device and is equipped with an arithmetic processing means for determining the combination of the operation states of the maintenance switches and controlling the output of the voice information in the storage device via the voice transmission device at the maintenance work location, the machine room, By outputting the preset message contents to a specified location by combining maintenance switch signals at locations with different maintenance work positions such as on the car and pit, Mamoru it is possible to output the audio information to support the work in the maintenance worker, good work safe and efficient is an effect that can be secured.

According to a second aspect of the present invention, a maintenance switch, which is operated at the start of work, is provided at a maintenance work place such as a machine room of the elevator, a car pit of the elevator, and a pit located at the bottom of a hoistway where the car goes up and down. And a voice transmission device for outputting voice information, and a built-in storage device for storing voice information of safety matters and technical matters according to the maintenance work place of the elevator in the machine room. Since a relay circuit that controls the output of the voice information in the storage device via the voice transmission device is provided at the maintenance work location by the combination of relays that are excited according to the operating state of Causes the electric circuit to perform software processing by a program that outputs the preset message contents to a specified location. Bets can be, the same effects as claim 1.

[Brief description of drawings]

FIG. 1 is an overall configuration diagram showing an elevator maintenance safety device according to the present invention.

FIG. 2 relates to the first embodiment of the present invention and is an operation flowchart of the arithmetic processing unit 6 of FIG.

FIG. 3 is an explanatory diagram of stored data in a storage device 7 of FIG.

4 is a relay circuit diagram corresponding to FIG. 2 according to the second embodiment of the present invention. FIG.

[Explanation of symbols]

 1 Machine Room 2 Basket 4 Pit 6 Processing Device 7 Storage Device 8a Maintenance Switch 8b Maintenance Switch 8c Maintenance Switch 9a Voice Transmitter 9b Voice Transmitter 9c Voice Transmitter 11-20 Relay

Claims (2)

[Claims] 1. A maintenance switch operated at the start of work and audio information are output to maintenance work locations such as a machine room of an elevator, a car pit of an elevator, and a pit located at the bottom of a hoistway where the car is raised and lowered. In addition to providing a voice transmission device, the machine room has a built-in storage device that stores voice information of safety and technical matters according to the maintenance work location of the elevator, and determines the combination of the operation states of the maintenance switches. A maintenance safety device for an elevator, characterized in that the maintenance work part is provided with arithmetic processing means for controlling output of voice information in the storage device via the voice transmission device. 2. A maintenance switch operated at the start of work and audio information are output to maintenance work places such as a machine room of an elevator, a car pit of an elevator, and a pit located at the bottom of a hoistway where the car goes up and down. In addition to installing a voice transmission device, the machine room has a built-in storage device that stores voice information of safety and technical matters according to the maintenance work location of the elevator, and excites according to the operation state of the maintenance switch. A maintenance safety device for an elevator, comprising a relay circuit for controlling output of voice information in the storage device via the voice transmission device to a maintenance work site by a combination of controlled relays.