JP3680269B2 - Equipment maintenance system - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an equipment maintenance system used when quickly recovering equipment in which an abnormality has occurred.
[0002]
[Prior art]
Conventionally, when an abnormality occurs in a power receiving facility in a factory for some reason, for example, power is not supplied to the load side, which greatly affects the operation of the factory. Therefore, the power receiving facility must be quickly restored. In the case of such an emergency situation, a person near the power receiving facility will respond, but if the person is a maintenance worker on the user side of the power receiving facility, the person may not be familiar with the facility. . In such a case, it is often difficult for the maintenance worker to find out the cause of the abnormality and quickly restore the power receiving equipment.
[0003]
[Problems to be solved by the invention]
In such a case, since a person who is familiar with the power receiving facility cannot deal with the abnormality until it arrives at the site, there is a problem that the abnormal state of the power receiving facility is prolonged and damage is increased.
[0004]
Therefore, in the present invention, the equipment is restored by communication between a maintenance worker who performs maintenance work on the equipment in which an abnormality has occurred and an administrator who is familiar with the equipment and manages the equipment at a predetermined location such as a management center. It is a problem to be solved to provide an equipment maintenance system that can be made to operate.
[0005]
[Means for Solving the Problems]
The above problem can be solved by the facility maintenance system described in the claims.
[0006]
According to the facility maintenance system according to claim 1, when the maintenance worker carries out maintenance work on the facility in which an abnormality has occurred, when the automatically charged maintenance tool box is taken out of the storage location, the power switch is automatically turned on. becomes, since the mobile position of the maintenance tool box is displayed on the information device via the communication network, the management personnel can recognize the position of the maintenance personnel. When the maintenance worker arrives at the site of the equipment where the abnormality has occurred, the situation of the equipment is photographed with the video means provided on the wearing equipment, and the situation of the equipment is explained with the voice means, the maintenance tool box is provided. Since the signals output from the video means and the transmission means are transmitted to the information device provided in the supervision center or the like via the communication network, the manager in charge of You can see and receive explanations by voice. As a result, the person in charge of management accurately recognizes the abnormal state of the equipment and gives a work instruction by voice from the information device. Since the voice signal of the work instruction is transmitted to the communication means of the maintenance tool box via the communication network, the communication means can transmit the work instruction from the manager in charge to the receiving means and transmit it to the maintenance worker. By such two-way communication, even if a maintenance worker is unfamiliar with the equipment, the equipment can be restored by receiving a work instruction from the manager.
[0007]
According to the facility maintenance system of the second aspect, the video sent from the video means, the voice sent from the speech means, and the work instruction received by the receiver means are recorded. It can be used as an educational database.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Next, an embodiment of the present invention will be described.
FIG. 1 is a system diagram showing the overall configuration of the equipment maintenance system 1.
The facility maintenance system 1 shown in FIG. 1 is specifically described as being used, for example, when an abnormality occurs in a power receiving facility in an automobile factory. When an abnormality occurs in the power receiving equipment of the automobile factory, the maintenance worker of the automobile factory uses the equipment maintenance system 1 to manage a person in charge who is familiar with the power receiving equipment (to the power receiving equipment in a short time). Communicating with the person who manages the equipment at the supervision center that can not come), work to find out the cause of the abnormality of the power receiving equipment while receiving work instructions from the manager, and work to recover.
[0009]
The equipment maintenance system 1 is not limited to the above power receiving equipment, but can be used for other equipment that can recover from an abnormal state through communication between a maintenance worker who performs maintenance work on site and a manager in charge at a management center. Can also be used.
[0010]
The helmet 2 shown in FIG. 1 is worn by a maintenance worker (not shown) of equipment in which an abnormality has occurred. The helmet 2 includes a camera 3 in which a maintenance worker photographs the situation of equipment to be restored and outputs a video signal, and an audio signal that describes the situation of the equipment and an audio signal that picks up surrounding sounds. And an earphone 5 for a maintenance worker to listen to a work instruction from a manager (not shown).
[0011]
The wireless device 7 connected to the camera 3, the microphone 4, and the earphone 5 through the cable 6 transmits the video signal output from the camera 3 and the audio signal output from the microphone 4 from the antenna 8 by radio waves. In addition, the work instruction signal of the manager in charge transmitted from the radio transceiver 10 provided in the maintenance tool box 9 to be described later via the antenna 10a is received by the antenna 8, and the work instruction is voiced from the earphone 5. It is what is output. A battery is used as a power source in the power supply unit of the wireless device 7. As shown in FIG. 1, the wireless device 7 is provided separately from the helmet 2, but if it is downsized, it may be directly attached to the helmet 2, or the camera 3, the microphone 4, and the earphone 5 may be attached. These may be dispersed in each of them. The camera 3 is not fixed to the helmet 2 but is detachably held by a holder 3a attached to the helmet 2.
[0012]
The maintenance tool box 9 shown in FIG. 1 is usually stored in a specific location in an automobile factory in a pair with the helmet 2 (including the wireless device 7). In this storage state, the battery provided in the power supply unit of the maintenance tool box 9 and the battery provided in the power supply unit of the wireless device 7 are automatically charged by a charger (not shown), and the helmet 2 ( When the maintenance tool box 9 and the maintenance tool box 9 are taken out of the storage location, an electric circuit for automatically turning on the power supply of the wireless device 7 and the power supply of the maintenance tool box 9 is provided.
[0013]
The maintenance tool box 9 is provided with the wireless transceiver 10 (10a is an antenna of the wireless transceiver 10) that communicates with the wireless device 7 by radio waves as described above. The wireless transceiver 10 receives the above-described video signal and audio signal transmitted from the wireless device 7 by radio waves, and transmits a work instruction signal of a manager in charge to the wireless device 7 by radio waves.
A communication device 14 (14a is an antenna of the communication device 14) electrically connected to the wireless transceiver 10 communicates with a management personal computer 13 provided in the management center 12 via the communication network 11. Therefore, a mobile phone or a PHS is generally used. When a general telephone line or the Internet can be used as the communication network 11, the communication device 14 is a modem or the like. A management personal computer 13 provided in the management center 12 is for communicating with a maintenance worker (conversation, video reception, and transmission / reception of maintenance data).
[0014]
In addition, the maintenance tool box 9 incorporates an information device 15 composed of a small personal computer or the like. The information device 15 accesses the management personal computer 13 via the communication network 11 to send various messages and exchange data necessary for maintenance. Further, the maintenance tool box 9 is provided with a recording device (not shown) for recording a conversation between the maintenance worker and the person in charge of the maintenance, a video of the situation of the facility, and the like.
[0015]
The maintenance tool box 9 stores in advance tools 16 necessary for maintenance of the power receiving equipment, a measuring instrument (not shown), and drawings of the power receiving equipment. As a result, the maintenance worker can quickly start the facility restoration work.
[0016]
Furthermore, the maintenance tool box 9 is provided with a GPS (Global Positioning System) for notifying the manager in charge of the position where the maintenance tool box 9 is carried, that is, the position of the maintenance worker. The position information of the maintenance worker is displayed on the screen of the management personal computer 13 via the communication network 11 described above.
[0017]
Next, specific use of the facility maintenance system 1 will be described.
If the ground fault circuit breaker installed in the power receiving facility of the automobile factory suddenly cuts off, and there is an abnormality that power is not supplied to the load side, the maintenance worker at that factory stores it in the above storage location. While wearing the helmet 2, the maintenance tool box 9 is taken out and carried to the site where the abnormality occurs. In this state, the power of each device of the wireless device 7 and the maintenance tool box 9 is automatically turned on, and the management personal computer 13 provided in the management center 12 is automatically accessed. This enables communication between the radio device 7 of the helmet 2, the radio transceiver 10 and the information device 15 of the maintenance tool box 9, and the management personal computer 13.
[0018]
In this state, the maintenance worker briefly explains the abnormality of the power receiving facility to the manager in charge, and then images the site where the abnormality occurred and transmits the video. In this case, the maintenance worker has a conversation with the person in charge of management using the microphone 4 and the earphone 5 described above, and photographs the site where the abnormality occurred with the camera 3. Through this communication, the person in charge of management can accurately recognize the abnormal state of the power receiving equipment based on the position of the maintenance worker by the GPS, the voice explanation by the maintenance worker, the surrounding sound, and the video of the site where the abnormality occurred. . After that, the person in charge of the management examines the ground fault location that is likely to cause the abnormality by using a drawing or the like, and instructs the maintenance worker to perform a visual check or electrical measurement of the location.
[0019]
The maintenance worker visually checks the check points instructed by the manager in charge, measures the ground resistance and the like, and notifies the manager of the result. Since the cause of the abnormality can be determined by meticulous communication between the maintenance worker and the manager in charge, the power receiving equipment can be restored even if the maintenance worker is not familiar with the power receiving equipment. be able to.
[0020]
Note that the above-described recording device provided in the maintenance tool box 9 can record conversations between maintenance workers and managers, video images of facility conditions, and the like. It can be used as an educational database for various equipment maintenance.
[0021]
In the above description of the embodiment, the example in which the camera 3, the microphone 4, and the earphone 5 are attached to the helmet 2 worn by the maintenance worker has been described. You may attach the said apparatus to.
[0022]
【The invention's effect】
According to the present invention, the facility is communicated with a maintenance worker who performs maintenance work on the facility in which an abnormality has occurred and an administrator who is familiar with the facility and manages the facility at a predetermined location such as a management center. It can be restored. This makes it possible to restore the facility even if a person who is familiar with the facility does not come to the site where the abnormality has occurred.
[Brief description of the drawings]
FIG. 1 is a system diagram showing the overall configuration of an equipment maintenance system.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Equipment maintenance system 2 Helmet 3 Camera 3a Holder 4 Microphone 5 Earphone 6 Cable 7 Radio device 8 Antenna 9 Maintenance tool box 10 Radio transceiver 10a Antenna 11 Communication network 12 Supervision center 13 Personal computer for management 14 Communication device 14a Antenna 15 Information equipment 16 tools

Claims (2)

On the wearing equipment worn by a maintenance worker who performs maintenance work on the facility where the abnormality has occurred, video means for the maintenance worker to photograph the state of the facility, and the maintenance worker to explain the state of the facility by voice And a speech receiving means for listening to a work instruction from a manager who is familiar with the equipment and manages the equipment at a predetermined management place,
The maintenance tool box, which is normally stored in a storage location and is taken out and carried when the maintenance worker performs maintenance work on the equipment, is automatically charged at the storage location and taken out of the storage location. The power switch is automatically turned on, and the portable device position of the maintenance tool box is displayed on the information device operated by the manager through a communication network, and output from the video unit and the transmission unit Communication for transmitting the video signal and audio signal to the information device via the communication network, and transmitting the work instruction audio signal transmitted from the information device via the communication network to the receiving means. And an equipment maintenance system. The maintenance tool box has recording means for recording the video sent from the video means, the voice sent from the sending means, and the work instruction received by the receiving means as a facility maintenance education database. The equipment maintenance system according to claim 1, wherein

Images