JP2003099121A - Monitoring terminal equipment and monitoring system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide monitoring terminal equipment and a monitoring system capable of realizing smooth data communication between the monitoring terminal equipment and a host computer, and reducing the storage capacity of the memory of the monitoring terminal equipment. SOLUTION: The monitoring equipment 13 for monitoring the operating state of a high voltage receiving facility 12 is remotely monitored from a host computer 15 via a network 16 in this monitoring system 111. In this case, various monitor data are transmitted from the monitoring terminal equipment 13 to the host computer 15 on the preliminarily designated data transmission date and time. Thus, it is possible to collect measured data without performing any access from the host computer 15 to the monitoring terminal equipment 13. Also, the monitoring terminal equipment 13 stores the measured data sampled by every 5 minutes in at least three days and the measured data sampled by every 60 minutes in at least one month in a memory 37.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a monitoring terminal device and a monitoring system for monitoring the operating condition of equipment to be monitored such as high voltage power receiving equipment.

[0002]

2. Description of the Related Art Conventionally, the status of monitored equipment such as high-voltage power receiving equipment is monitored, and this monitoring information (normal state or abnormal state) is sent to a facility holding office or a monitoring center of a security association via a wired public line. 2. Description of the Related Art A monitoring system including a monitoring terminal device for reporting is known.

For example, the high-voltage power receiving equipment is provided with an insulation monitoring device for monitoring the insulation of the secondary load by measuring the class B ground wire current (leakage current) of the transformer. When the magnitude of the leakage current reaches a preset predetermined value due to insulation deterioration of the system or equipment, the insulation monitoring device transmits insulation abnormality information to the monitoring center via the public line. In addition to the insulation monitoring function, the insulation monitoring device has a temperature monitoring function that detects an abnormal temperature rise in the transformer case and sends temperature abnormality information to the monitoring center, and a power failure accident that monitors power failure information. Some are equipped with a power failure monitoring function to send to the center. Upon receiving various kinds of abnormality information, the monitoring center reports the abnormality of the equipment to the management office. From the management office, the engineer in charge goes to the site to handle the accident.

The monitoring terminal device is capable of storing various measurement data (leakage current measurement data and temperature measurement data) for a preset fixed period (for example, one month to three months). The monitoring center accesses each monitoring terminal device in a polling format and collects various measurement data stored in the monitoring terminal device via a public line.

[0005]

However, the conventional monitoring system has the following problems. That is, in general, the communication line for the monitoring terminal monitoring device is often used also as an ordinary telephone or facsimile. in this case,
The telephone and facsimile respond prior to the monitoring terminal. Therefore, even if the monitoring center side attempts to access the monitoring terminal device to collect various measurement data, the monitoring terminal device cannot access the monitoring terminal device because it is disturbed by the telephone and the facsimile. Therefore, when accessing the monitoring terminal device, it was necessary to prevent the high-voltage power receiving equipment from answering the telephone or turning off the facsimile.

[0006] Further, when the power distribution system in the monitoring area of the monitoring center is blacked out due to a lightning strike or the like, all the monitoring terminal devices installed in the blackout area simultaneously try to send a blackout alarm to the monitoring center. As a result, the lines to the monitoring center are crowded, and the state of talking at the monitoring center continues. Therefore, in the event of a power failure, it may not be possible to access the monitoring center from the monitoring terminal device.

Furthermore, in order to follow up the change in the leakage current with the passage of time when an electric leakage accident or the like occurs and is restored in a short time, in order to follow up the investigation later, the measurement at a sampling time of at least 5 minutes or less is performed. Data recording is required.
However, if it is attempted to save preset measurement data for, for example, one month to three months in the memory of the monitoring terminal device with the sampling time set to 5 minutes or less, the amount of information stored in the memory increases, and Accordingly, it is necessary to increase the storage capacity of the memory.

The present invention has been made to solve the above problems, and a first object of the present invention is to provide a monitoring terminal device capable of performing smooth data communication between the monitoring terminal device and a host computer. And to provide a monitoring system.

A second object is to provide a monitoring terminal device and a monitoring system capable of reducing the storage capacity of the memory of the monitoring terminal device.

[0010]

According to a first aspect of the present invention, a monitoring system for remotely monitoring a monitoring terminal device for monitoring an operating state of equipment to be monitored from a host computer via a network is designated in advance. The gist of the invention is that the monitoring terminal device automatically sends various kinds of monitoring data to the host computer when the data transmission date and time comes.

According to a second aspect of the invention, in the first aspect of the invention, when the abnormality of the equipment to be monitored is detected, the monitoring terminal device immediately irrespective of the date and time of data transmission designated in advance. The point is that the alarm data is transmitted to the host computer.

According to a third aspect of the present invention, in the invention according to the first or second aspect, various initial setting data for determining the operation of the monitoring terminal device when the monitoring terminal device is newly installed. The point is that the transmission is automatically performed from the host computer.

According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, data transmission of a plurality of monitoring terminal devices existing in a monitoring area of the host computer is performed. The gist of the invention is that the host computer creates a schedule for the data transmission date and time of each monitoring terminal device so that the dates and times do not overlap.

According to a fifth aspect of the present invention, in the invention according to any one of the second to fourth aspects, when the alarm data is received from the monitoring terminal device, the host computer is in advance When the registered engineer automatically transmits an abnormality notification signal to a portable terminal device carried by the operator and receives a response signal from the portable terminal device indicating that the reception is normally completed, the host computer Is to automatically recognize the completion of notification of an abnormal occurrence.

According to a sixth aspect of the invention, in the fifth aspect of the invention, the host computer transmits an abnormality notification signal to a portable terminal device carried by a technician in charge according to a preset notification order, The gist is that the above-mentioned notification processing is sequentially repeated until a response signal indicating that the content confirmation is completed is received within a set predetermined waiting time.

According to a seventh aspect of the present invention, in the invention according to any one of the first to sixth aspects, the plurality of monitoring terminal devices existing in a monitoring area of the host computer respectively When a power failure is detected and this power failure continues for a predetermined time set in advance, after the elapse of a predetermined delay time set in advance for each monitoring terminal device,
The gist of each monitoring terminal device is to transmit the alarm data to the host computer.

According to an eighth aspect of the present invention, the operating state of the equipment to be monitored is monitored, and the monitoring data sampled at every predetermined sampling time set in advance is accumulated in the storage means to transmit the data designated in advance. Every cycle,
A monitoring terminal device configured to transmit the monitoring data accumulated in the storage means to a host computer via a network, the monitoring terminal device being preset so that a follow-up investigation can be performed when an abnormality is detected. The gist is that monitoring data sampled at each sampling time set shorter than the sampling time can be accumulated in the storage means.

According to a ninth aspect of the present invention, in the eighth aspect of the invention, a data collection place for collecting the monitoring data is provided in advance at a position distant from the facility to be monitored,
A transmission means for transmitting the monitoring data from the equipment to be monitored to the data collection place is provided, and the monitoring data transmitted by the transmission means is converted into a computer readable form at the data collection place. The gist of the invention is to arrange an output converter in which a portable terminal device carried by an engineer can be attached and detached.

According to a tenth aspect of the invention, in the invention of the ninth aspect, the data transmission system of the transmission means is
The gist is that either wireless or wired can be selected according to the installation environment.

The invention according to claim 11 is the invention according to any one of claims 8 to 10, further comprising a display device for displaying the monitoring data, and the display device is provided with an external device. The main point is to further display the communication status with. (Operation) In the invention described in claim 1, the monitoring terminal device automatically transmits various kinds of monitoring data to the host computer when the data transmission date and time designated in advance comes. Therefore, the monitoring data can be collected from the host computer without accessing the monitoring terminal device.

According to the second aspect of the invention, in addition to the operation of the first aspect of the invention, when the abnormality of the equipment to be monitored is detected, the monitoring terminal device is related to the data transmission date and time designated in advance. Instead, the alarm data is immediately sent to the host computer. Therefore, it is possible to promptly report the occurrence of an abnormality to the host computer.

According to the invention described in claim 3, in addition to the operation of the invention described in claim 1 or claim 2, when a new monitoring terminal device is installed, various initial operations for determining the operation of the monitoring terminal device are performed. The setting data is automatically sent from the host computer. Therefore, the initial setting operation of the monitoring terminal device is simplified.

According to the invention described in claim 4, in addition to the operation of the invention described in any one of claims 1 to 3, a plurality of monitoring terminal devices existing in the monitoring area of the host computer are provided. A schedule of the data transmission date and time of each monitoring terminal device is created so that the data transmission dates and times of the above do not overlap with each other. Therefore, it is possible to prevent the line from being crowded.

According to the invention described in claim 5, in addition to the operation of the invention described in any one of claims 2 to 4, when the alarm data is received from the monitoring terminal device, the host computer Automatically transmits an abnormality notification signal to a mobile terminal device carried by a technician registered in advance via a network. When a response signal indicating that the reception is normally completed is received from the mobile terminal device,
The host computer automatically recognizes the completion of reporting the occurrence of an abnormality. For this reason, you should notify the engineer in
It becomes possible to carry out it more quickly and reliably.

According to the invention described in claim 6, in addition to the operation of the invention described in claim 5, the host computer transmits an abnormality notification signal to the portable terminal device carried by the engineer in charge according to a preset notification order. To do. Then, the notification process is sequentially repeated until a response signal indicating the completion of the content confirmation is received within a preset predetermined waiting time. Therefore, it is possible to more reliably notify the engineer in charge of the occurrence of an abnormality.

In the invention described in claim 7, in addition to the operation of the invention described in any one of claims 2 to 6, when the power failure continues for a predetermined time set in advance,
After the elapse of a predetermined delay time preset for each monitoring terminal device, each monitoring terminal device transmits alarm data to the host computer. Therefore, congestion of the line at the time of power failure is avoided.

According to the eighth aspect of the present invention, the monitoring data sampled at each sampling time set shorter than the preset sampling time can be accumulated in the storage means. Therefore, a follow-up investigation becomes possible when an abnormality is detected.

According to the ninth aspect of the invention, in addition to the operation of the eighth aspect of the invention, by connecting the portable terminal device to the output converter, the data at a position separated from the equipment to be monitored can be obtained. It becomes possible to collect the monitoring data accumulated in the monitoring terminal device at the collection place.

According to the tenth aspect of the invention, in addition to the effect of the ninth aspect of the invention, the data transmission system of the transmission means is either wireless or wired depending on the installation environment. For example, if installation is difficult, select the wireless method,
If the line connection such as telephone line is easy, select the wired method. Therefore, it can be installed in any environment.

According to the invention described in claim 11, claims 8 to 8 are provided.
In addition to the action of the invention described in any one of claims 10, the display device for displaying the monitoring data further displays the communication state with the outside. Therefore, unlike the case where a display for displaying the communication status is separately provided, the cost of parts is reduced.

[0031]

BEST MODE FOR CARRYING OUT THE INVENTION (First Embodiment) An embodiment in which the present invention is embodied in a monitoring terminal device and a monitoring system will be described below with reference to FIGS. The monitoring system remotely monitors each high-voltage power receiving equipment by means of a monitoring terminal device installed in each high-voltage power receiving equipment used in a large number of companies existing over a wide area.

(System Configuration) As shown in FIG. 1, a monitoring system 11 includes a monitoring terminal device 13 installed in a cubicle type high voltage power receiving facility 12 and a host computer installed in a monitoring center 14 (hereinafter, “Host”) 15 and are connected to each other via a network 16. The high voltage power receiving equipment 12 is provided, for example, on the roof of a building. The monitoring center 14 monitors the high-voltage power receiving equipment 12 used in a large number of companies in the area in charge of monitoring, but only one high-voltage power receiving equipment 12 is shown in FIG.

A transformer 21 is arranged in the high-voltage power receiving equipment 12, and a secondary side of the transformer 21 is grounded to the type B ground. The current transformer 22 is connected to the ground wire,
The secondary side of the current transformer 22 is connected to the input unit of the monitoring terminal device 13. A temperature sensor 23 is attached to the surface of the case of the transformer 21, and the temperature sensor 23 is connected to the input unit of the monitoring terminal device 13. The output unit of the monitoring terminal device 13 is connected to the network 1 via the modem 24.
Connected to 6.

On the other hand, the host computer 15 of the monitoring center 14 is connected to the network 16 via the modem 25. The modems 24 and 25 are respectively used for connection to the network 16, perform data conversion associated with communication, and transmit / receive programs and various measurement data between the monitoring terminal device 13 and the host computer 15.

(Monitoring Terminal Device) Next, the monitoring terminal device will be described in detail. As shown in FIG. 2, the monitoring terminal device 13 includes an arithmetic processing unit 31. The arithmetic processing unit 31 is connected to the secondary side of the current transformer 22 and the temperature sensor 23 via amplifiers 32 and 33 and A / D converters 34 and 35, respectively. Secondary side output of current transformer 22 (transformer 21
B ground wire current) and the output from the temperature sensor 23 are
A / D after being amplified by amplifiers 32 and 33, respectively
The analog signals are converted into digital signals by the converters 34 and 35 and input to the arithmetic processing unit 31.

A display unit 36, a memory 37 and a communication port 38 are connected to the arithmetic processing unit 31, and the communication port 38 is connected to the modem 24 (see FIG. 1) via an output terminal 39. There is. The display 36 includes a liquid crystal display (LCD), a fluorescent display tube (VFD), or the like, and has a single digit or a plurality of digits, that is, a B-type ground line current of the transformer 21 (hereinafter, referred to as “leakage current”). Displays the value and temperature measurement value.

The memory 37 stores measurement data (leakage current and transformer case temperature measurement values) detected by the current transformer 22 and the temperature sensor 23. In addition, the memory 37
In the table, various control programs executed by the arithmetic processing unit 31 and various initial setting data for determining the operation of the monitoring terminal device 13 are stored. The arithmetic processing unit 31 monitors the high voltage power receiving equipment 12 based on the initial setting data. Further, the monitoring terminal device 13 stops the high voltage power (hereinafter,
It is called "blackout". ) Is monitored on the secondary side of the transformer 21.

(Host Computer) Next, the host computer 15 will be described in detail. As shown in FIG. 3, the host computer 15 includes a central processing unit (hereinafter,
"CPU"). ) 41. CPU41
A memory 42, an input device 43, an output device 44, a storage device 45, a drive device 46, and a communication port 47 are connected to the communication port 47, and the communication port 47 has an output terminal 48.
It is connected to the modem 25 (see FIG. 1) via the.

The CPU 41 executes various programs using the memory 42, and executes processing necessary for monitoring the high voltage power receiving equipment 12. The memory 42 stores various programs and data necessary for monitoring the high voltage power receiving facility 12.
The input device 43 includes a keyboard, a mouse and the like, and is used for inputting requests and instructions from the user. Output device 44
Is a display device (display such as a liquid crystal display and a fluorescent display tube),
It includes a printer, a speaker, etc., and outputs the monitoring status and the like.

The storage device 45 includes a magnetic disk, an optical disk, and a magneto-optical disk device, and stores various programs and data necessary for monitoring the high-voltage power receiving equipment 12. This storage device 45 is also used as a database. The CPU 41 transfers various programs and data to the memory 42 and executes them in response to requests and instructions from the input device 43.

The drive device 46 includes a flexible disk, an optical disk (CD-ROM, DVD-ROM ...),
The storage contents are accessed by driving an arbitrary computer-readable storage medium such as a magneto-optical disk (MO, MD, ...). It is also possible to store the various programs and data in this storage medium and load them into the memory 42 for use.

(Operation of Embodiment) Next, the operation of the monitoring terminal device and the monitoring system configured as described above will be described in the order of new installation, normal monitoring, and abnormality detection.

(At the time of new installation) First, the operation of the monitoring terminal device and the monitoring system at the time of new installation will be described. (1-1) When the installation work of the monitoring terminal device 13 is completed,
The engineer in charge operates the test button 13a (see FIG. 1) for performing the communication test of the monitoring terminal device 13. Then, the arithmetic processing unit 31 of the monitoring terminal device 13 communicates with the monitoring center 14 using the telephone number notification mode. Monitoring center 1
4, the installation telephone number data of the monitoring terminal device 13 and the like are sent.

(1-2) The host computer 15 collates the telephone number from the installation destination with the telephone number list of the planned installation destination of the day registered in the storage device 45 in advance. When the telephone number from the installation destination matches any telephone number in the telephone number list of the planned installation destination, the host computer 15 recognizes that the dialing is from the registered telephone number and automatically initializes it. The processing shifts to the setting operation. That is, the host computer 15 transmits the initial setting preparation command to the monitoring terminal device 13.

(1-3) When the initial setting preparation command is received from the host computer 15, the monitoring terminal device 13
Returns a data request command. (1-4) Upon receiving the data request command, the host computer 15 sends the initial setting data to the monitoring terminal device 13.
Send to. The initial setting data includes, for example, the following data.

・ Telephone number data of the monitoring center 14 (host computer 15) ・ Identification number data of the monitoring terminal device 13 ・ Setting data of various monitoring elements (sampling time etc.) of the monitoring terminal device 13 ・ Regular measurement data Transmission cycle data (in the present embodiment, the transmission cycle is once a month.)-Next data transmission date / time data (in the present embodiment, a plurality of monitoring terminal devices 13 existing in the monitoring area in charge of the monitoring center 14) Table management is performed for each transmission time frame in units of several minutes, and only one monitoring terminal device 13 is registered in one time frame.) ・ Transmission time shift setting of a plurality of monitoring terminal devices 13 ( Specifically, a different delay time is specified for each monitoring terminal device 13 so that the power failure warning data is transmitted after a predetermined delay time from the detection of the power failure accident.・ Redial timing setting for abnormal signal transmission (waiting time is valid by simultaneous transmission of multiple monitoring terminal devices 13) (1-5) The monitoring terminal device 13 performs error verification of the received initial setting data, and if correct, The reception completion command is transmitted to the host computer 15, and the line is disconnected. The monitoring terminal device 13 stores the initialization data in the memory 37, and thereafter operates based on this initialization data.

(1-6) When the reception completion command is received, the host computer 15 disconnects the line. In this way, the initial setting work of the monitoring terminal device 13 is automatically performed by the host computer 15, so that the monitoring center 14 side does not have to be troublesome.

(Normal Monitoring: Data Collection) Next, the operation of the monitoring terminal device and the monitoring system during normal monitoring will be described. (2-1) The monitoring terminal device 13 is based on the initial setting,
The high-voltage power receiving equipment 12 is continuously monitored for 24 hours. The arithmetic processing section 31 stores in the memory 37 the measurement data (leakage current and transformer case temperature measurement values) measured at preset sampling times. Then, when the transmission date and time of the measurement data designated at the time of initialization is reached, the monitoring terminal device 13 automatically activates the modem 24, and the host computer 15
Access, that is, dial the telephone number of the host computer 15. When the line is connected to the host computer 15, the monitoring terminal device 13 transmits its own identification number and a data transmission request command to the host computer 15.

In the present embodiment, the data transmission time frames of the plurality of monitoring terminal devices 13 existing in the monitoring area in charge of the monitoring center 14 are managed by a table in units of several minutes, and one monitoring terminal is provided in one time frame. Only the device 13 is registered. Therefore, the transmission times of the monitoring terminal devices 13 do not overlap with each other, and congestion of the line is avoided.

(2-2) The host computer 15 collates the transmitted identification number with the registration monitoring terminal device list table stored in advance in the storage device 45. And
Monitoring terminal device 1 that has transmitted a data transmission request command
When it is authenticated that 3 is the registered monitoring terminal device 13, the host computer 15 returns a data request command.

(2-3) When the data request command is received, the monitoring terminal device 13 transmits the measurement data accumulated in the memory 37 for a certain period (one month in this embodiment) to the host computer 15.

(2-4) When the measurement data is received,
The host computer 15 temporarily stores the measurement data in the memory 4
Store in 2. Then, the host computer 15 performs an error check on the received measurement data, and if there is no error,
Utilizing this communication state, a designation command for designating the next data transmission date and time is transmitted to the monitoring terminal device 13. After that, the host computer 15 stores the measurement data in the storage device 4.
Store in 5.

(2-5) When the designated command is received, the monitoring terminal device 13 performs an error check, and if correct, sends a transmission completion command to the host computer 15 and then disconnects the line.

(2-6) Upon receiving the transmission completion command, the host computer 15 disconnects the line. With the above, a series of processing at the time of collecting measurement data is completed.

As described above, the measurement data is collected from the host computer 15 without accessing the monitoring terminal device 13. Therefore, unlike the case of accessing the monitoring terminal device 13 from the host computer 15 and collecting the measurement data, the telephone and the facsimile which are connected to the line in parallel with the monitoring terminal device 13 respond earlier than the monitoring terminal device 13. It is prevented that it becomes inaccessible.

(Abnormality Detection) Next, the operation of the monitoring terminal device and the monitoring system at the time of abnormality detection will be described. (3-1) When the leakage current or the transformer case temperature exceeds a reference value (threshold value) set in advance, or when an abnormal situation occurs in which power failure continues for a certain time, the monitoring terminal device 13
Dials the telephone number of the monitoring center 14 immediately regardless of the preset data transmission date and time. When the line is connected to the host computer 15, the monitoring terminal device 1
3 transmits its own identification number to the host computer 15.

(3-2) As in the case of (2-2), the host computer 15 determines the identification number, and when the host computer 15 authenticates the registered number, sends a data request command to the monitoring terminal device 13. .

(3-3) When the data request command is received, the monitoring terminal device 13 sends alarm data (alarm signal) to the host computer 15. (3-4) When the alarm data is received, the host computer 15 temporarily stores the alarm data in the memory 42,
Perform an error test on the alarm data. Then, if there is no error, the reception completion command is transmitted to the monitoring terminal device 13 and the line is disconnected.

(3-5) When the reception completion command is received, the monitoring terminal device 13 disconnects the line. (3-6) On the other hand, in the above (3-4), the host computer 15 analyzes the alarm data and confirms the urgency level included in the alarm data. The urgency level is preliminarily divided into a plurality of stages (for example, four stages of level 1 to level 4) according to the content of the abnormality. When the urgency level included in the alarm data is level 1 to level 3, the monitoring center 14 Notifies the management office of the high-voltage power receiving equipment 12 of the abnormality of the equipment by telephone or the like. Monitoring center 1
Upon receiving the report from 4, the management office dispatches the engineer in charge to the site to handle the accident.

(Notification to Engineer in Charge) (4-1) In the above (3-6), when the urgency level is the highest level 4, the host computer 15 has an abnormality in the emergency contact registered in advance. To report.

That is, the host computer 15 is, for example, a mobile phone, a PHS (simple mobile phone), a pager (registered trademark), a notebook personal computer, etc., which is carried by a plurality of engineers in charge whose notification order is set in advance. The occurrence of abnormality is automatically and sequentially notified to the mobile terminal device 49 by voice, characters, image data, or the like. In the present embodiment, the mobile terminal device 49 is a mobile phone, and the host computer 15
Automatically sends an e-mail notifying that an abnormality has occurred to the mobile phone owned by the engineer in charge.

Specifically, the host computer 15 is
Notify the engineer in charge of the 1st place in the report order. If there is no reply within the preset waiting time (fixed), the notification is repeated a preset number of times. If the reply is still not received, the host computer 15 notifies the engineer in charge of the second rank in the notification order. After that, similarly, until the reply comes, the engineer in charge of the third rank of the report, the engineer in charge of the fourth rank of the report, and so on are repeated in sequence. Therefore, it is necessary to inform the engineer in charge that an abnormality has occurred.
It will be possible to report more reliably.

(4-2) Notification of abnormal occurrence (e-mail)
After receiving the message and confirming the content, the technician in charge uses the redial button of the mobile terminal device 49 or the TEL tag being received to set the host computer 15 in the sender number notification mode.
Send a reception confirmation signal to. After that, the engineer in charge goes to the site and carries out accident processing such as pursuing the cause.

(4-3) Upon receiving the reception confirmation signal, the host computer 15 automatically recognizes the completion of contact with the engineer in charge. Further, based on the reception confirmation signal, the host computer 15 discriminates the engineer in charge of receiving the abnormality notification, converts it into maintenance charge data, and updates the abnormality occurrence history.

(When a power failure is detected) On the other hand, in (3-1), if the power failure continuously occurs for a preset fixed time, regardless of the date and time of data transmission designated in advance,
Each monitoring terminal device 13 logs on to the host computer 15 after the delay time set individually after the power failure is detected. Then, only the monitoring terminal device 13 authenticated by the host computer 15 transmits the alarm data.

That is, at the time of power failure, the alarm data from each monitoring terminal device 13 is transmitted with a predetermined time difference. Therefore, during a simultaneous blackout of the power distribution system due to a lightning strike or the like, a large number of monitoring terminal devices 13 existing in the blackout area do not simultaneously issue an alarm. Therefore, congestion of the line to the host computer 15 can be avoided.

With the above, a series of processing when an abnormality occurs is completed. (On-site processing) The engineer in charge can access the host computer 15 using the mobile terminal device (mobile phone) 49 to browse the regular monitoring data and the current data of the monitoring terminal device 13 in charge. Is possible.

(Effects of the Embodiment) Therefore, according to this embodiment, the following effects can be obtained. (1) The monitoring terminal device is configured to automatically transmit one month's worth of measurement data to the host computer 15 when the data transmission date and time designated in advance arrives. Therefore, the measurement data can be collected from the host computer 15 without accessing the monitoring terminal device 13. Therefore,
When collecting data from the monitoring terminal device 13, the telephone and the facsimile do not become disconnected from the monitoring terminal device 13 by responding before the monitoring terminal device 13, and smooth data exchange with the host computer 15. Can communicate.

(2) During measurement of the leakage current and the transformer case temperature, if the measured values exceed a preset reference value or the power failure continues for a certain time, the monitoring terminal device 13 is preset. The host computer 15 is immediately notified of the occurrence of an abnormality, regardless of the data transmission date and time. Therefore, it is possible to promptly notify the host computer 15 of the occurrence of the abnormality.

(3) When a new monitoring terminal device is installed in the high-voltage power receiving equipment 12, the initial setting data such as the identification number of the monitoring terminal device 13 and the telephone number of the monitoring center 14 are
The host computer 15 automatically transmits. That is, when the monitoring terminal device 13 is newly installed, the host computer 15 automatically initializes the monitoring terminal device 13. Therefore, the initial setting work (various data input, etc.) of the monitoring terminal device 13 does not bother humans.

(4) The host computer 15 schedules the data transmission date and time of each monitoring terminal device 13 so that the data transmission dates and times of the plurality of monitoring terminal devices 13 existing in the monitoring area of the monitoring center 14 do not overlap with each other. To create. Therefore, it is possible to prevent the line from being crowded. Further, the host computer 15 centrally manages the schedule of the data transmission date and time of the monitoring terminal device 13, so that the schedule adjustment can be easily performed.

(5) When the abnormality detection signal is received from the monitoring terminal device 13, the host computer 15 automatically notifies the engineer in charge of the occurrence of abnormality by e-mail or the like. The host computer 15 automatically confirms the completion of the notification by receiving a reply (notifying the caller number) that the engineer in charge who received the notification of the occurrence of the abnormality and confirmed the contents of the notification. For this reason, it is possible to promptly notify the engineer in charge of the occurrence of the abnormality.

(6) When the abnormality detection signal from the monitoring terminal device 13 is received and includes the alarm data of the urgency level 4, the host computer 15 determines that the portable terminal of the engineer in charge of the first rank in the notification order. The device 49 is notified of the abnormality. If no reply is received within the preset waiting time, the host computer 15 determines the second
The notification is made to the portable terminal device 49 of the engineer in charge of the rank, and thereafter, the notification process is repeated until the reply comes, such as the third rank of the notification, the fourth rank of the notification, and so on. Therefore, it is possible to more reliably notify the engineer in charge of the occurrence of the abnormality.

(7) When a power failure occurs continuously for a preset time, each monitoring terminal device 13 has a preset delay for each monitoring terminal device 13 regardless of the preset data transmission date and time. After the lapse of time, the alarm data is sent to the host computer. Therefore, even if a wide area power failure occurs due to a lightning strike or the like, a large number of monitoring terminal devices 13 in the power failure area do not log on to the host computer 15 all at once. Therefore, it is possible to avoid congestion of the line at the time of power failure.

(Second Embodiment) Next, a second embodiment of the present invention will be described with reference to FIGS. In this embodiment,
It differs from the first embodiment in the connection structure between the monitoring terminal device 13 and the network 16. Therefore, the same members as those in the first embodiment are designated by the same reference numerals, and detailed description thereof will be omitted.

As shown in FIG. 4, the output side of the monitoring terminal device 13 is connected to the installation room (for example, a building) via a connection cable (telephone line) 50 installed in the premises of the installation room 51.
It is connected to an outlet 52 provided at a line entrance or the like, and the network 1 is connected through the outlet 52.
Connected to 6. Also, a telephone 5 is installed in the office 51.
3 and the RS-232C output port 54 are arranged and connected to the outlet 52 respectively. RS-
The 232C output port 54 is arranged near the line entrance.

The monitoring terminal device 13 has a function of directly accessing the measurement data stored in the memory 37.
That is, RS-232C is output to the RS-232C output port 54.
By connecting, for example, a notebook personal computer (hereinafter, referred to as “personal computer”) 56 via the C cable 55, it is possible to collect the monitoring data accumulated in the monitoring terminal device 13.

As shown in FIG. 5, a modular jack (modular plug) 58 is connected to the communication port 38 of the monitoring terminal device 13 via a modem circuit 57 by a communication line. In addition to this communication line, communication port 3
A modular jack 58 is directly connected to 8 via an input / output line for serial transmission.

The modular jack 58 has a number of terminals of 6 pins. Two central pins of the modular jack 58 are used as telephone line terminals, and communication pins from the modem circuit 57 are connected to both pins.
Input / output lines for the serial transmission from the communication port 38 are connected to the remaining four pins, respectively. A 6-core wire is used as the connection cable for connecting the modular jack 58 and the outlet 52. Of these 6-core wires, the 2-core wires for telephone lines are connected to the network 16 via outlets 52, respectively. The remaining 4 core wires are respectively RS-232C output port 54
It is connected to the.

(Sampling Time) The data sampling time of the monitoring terminal device 13 is preset as follows. In other words, the arithmetic processing unit 31 has at least 5 for 5 days.
The data is sampled every two data sampling times of a minute unit and a unit of 60 minutes. Data (measured values) measured in units of 5 minutes and 60 minutes are stored in the memory 3 respectively.
Accumulated in 7. The data sampled every 5 minutes of sampling time is cleared at least every 3 days, and the accumulation of sampling data every 5 minutes is repeated again. In the present embodiment, the sampling time of 5 minutes is the upper limit time that enables the follow-up investigation after the abnormality is detected.

(Operation of Embodiment) Next, the operation of the insulation monitoring apparatus and the insulation monitoring system configured as described above will be described.

(At the time of normal monitoring) The arithmetic processing unit 31 includes the current transformer 2
2 and the leakage current detected by the temperature sensor 23 and the measured value of the transformer case temperature are continuously monitored for 24 hours.
The arithmetic processing unit 31 stores, in the memory 37, data measured in units of 5 minutes for at least 3 days (strictly speaking, the maximum measured value in 5 minutes). In addition, in parallel, the arithmetic processing unit 31
The data measured in units of 0 minutes (strictly speaking, the maximum measured value in 60 minutes) is stored in the memory 37.

Usually, even if the change in the measurement data is seen in units of one month, there is no great change, so recording in units of 60 minutes is sufficient. Then, when the data transmission date and time designated in advance arrives, the arithmetic processing unit 31 transmits the one month's worth of measurement data accumulated in the memory 37 to the host computer 15.

Unlike the case where precise data collection (for example, a sampling time of 5 minutes) is continuously performed for one month and the data for one month is stored in the memory 37, the same memory 37 is used.
The amount of data for one month stored in is reduced.

(At the time of abnormality detection) On the other hand, when at least one of the measured values of the leakage current and the transformer case temperature exceeds a preset reference value, or when the power failure continues for a preset period of time, monitoring is performed. The terminal device 13 issues an alarm to the monitoring center 14. At the same time, the arithmetic processing unit 31 displays the display 3
6 shows the occurrence of an abnormality, the communication port 38, the modem circuit 57, the modular jack 58, the outlet 52
And the alarm data is transmitted to the host computer 15 via the network 16.

The alarm data at this time includes at least the past three days of measurement data measured in units of 5 minutes with the abnormality occurrence date as a reference. Therefore, the monitoring center 1
On the 4th side, it becomes possible to grasp the transition of the measured values retroactively before the occurrence of the accident. Then, it is possible to determine whether this accident is a sudden one or one that gradually occurs over time, and it becomes easier to take countermeasures against the accident.

(Site Treatment) At the accident spot, the engineer in charge takes charge of monitoring terminal device 13 for the purpose of pursuing the cause of the accident.
To directly check the measurement data, the regular monitoring data, the current data, and the like stored in the memory 37. That is, a notebook computer 56 is connected to the RS-232C output port 54 and the measurement data is directly browsed by the notebook computer 56.

At the time of browsing various data by the notebook personal computer 56, the monitoring terminal device 13 and the notebook personal computer 5
The line between the monitoring terminal device 13 and the host computer 15 is prioritized over the line between the monitoring terminal device 6 and the host computer 15. That is, the transmission of various data is fixed to either the host computer 15 or the notebook computer 56.

As described above, since various data accumulated in the monitoring terminal device 13 can be easily collected from the office 51 of the installation destination, it is not necessary to go to the cubicle type high voltage power receiving equipment 12 such as a rooftop.

(Effect of Embodiment) Therefore, according to this embodiment, the following effects can be obtained. (1) The monitoring terminal device 13 stores the measurement data sampled every 5 minutes for at least 3 days and the measurement data sampled every 60 minutes for one month in the memory 37.
I stored it in. Therefore, unlike the case where detailed data collection (for example, sampling time of 5 minutes) is continuously performed for one month and the data for one month is stored in the memory 37, the data for one month stored in the memory 37 is stored. The quantity is reduced. Therefore, the memory 37 of the monitoring terminal device 13
Storage capacity can be reduced, and data transmission time to the host computer 15 can be shortened. As a result, the memory 42 of the host computer 15
The storage capacity of can also be reduced.

(2) Monitoring terminal device 13 and network 1
RS-232C in which a portable terminal device carried by a registered engineer in charge is attachable / detachable to / from an empty terminal of an outlet 52 provided in the office 51 of the installation destination
The output port 54 was connected and placed in the office 51.
Therefore, the RS-232C output port 54 output port 54 via the RS-232C cable to the laptop computer 56
By connecting with, the data accumulated in the monitoring terminal device 13 can be collected by the notebook computer 56. Therefore, it is not necessary for the engineer in charge to go to the cubicle-type high-voltage power receiving equipment 12 provided on the rooftop or the like, and the working efficiency can be improved.

(Third Embodiment) Next, a third embodiment of the present invention will be described with reference to FIGS. In this embodiment,
In the monitoring system 11 in the first and second embodiments, when the inspector entrusted by the monitoring center 14 periodically patrols the high-voltage power receiving equipment 12 of each company, it is intended to improve the efficiency of the inspection work. The present invention relates to an inspection support system for high-voltage power receiving equipment.

As shown in FIG. 6, the inspection support system 60 for the high-voltage power receiving equipment 12 is provided with the host computer 15 of the monitoring center 14 and the monitoring terminal devices 13 of the plurality of high-voltage power receiving equipments 12 scattered over a wide area. , Are mutually connected via the network 16. A database 61 is built in the host computer 15. The database 61 is a relational database including an inspector file 62, a high-voltage power receiving facility inspection file 63, an inspection schedule management file 64, a measurement data file 65, an abnormality occurrence history file (not shown), which will be described later.

In the monitoring system 11, a plurality of inspectors are in charge of inspecting the high voltage power receiving equipments 12 of a plurality of companies, and the high voltage power receiving equipments 12 are regularly inspected (for example, once a month). It is supposed to do.
Each inspector logs on to the host computer 15 via the network 16 by the inspector's portable terminal device 66 such as a portable notebook personal computer, and accesses necessary files among the files 62 to 85. It is possible to freely download and browse.

In the memory (not shown) of the inspector's portable terminal 66, dedicated communication software for performing data communication with the host computer 15 and data downloaded from the host computer 15 are displayed on the display. Display application software for performing this is stored in advance.

(Inspector File) Inspector File 6
2 manages various registration data of the inspector.
As shown in FIG. 8, the inspector file 62 includes a reference number (a number indicating the registration order), the name of each inspector, and an identification code I.
It is configured based on attribute data such as D, password PW, contact information and registration date. The identification code ID and the password PW are assigned to each inspector when the inspector is registered at the monitoring center 14. The identification code ID and the password PW are configured by appropriately combining numbers and alphabets (uppercase letters and lowercase letters). The registration data of the inspector file 62 configured as described above is stored in the host computer 1
It is managed by 5. Whenever new registration or registration deletion is made, the host computer 15 updates the inspector file (addition and deletion of inspectors).

(High-voltage power receiving equipment inspection file) The inspection file 63 manages various data of the inspection target company. As shown in FIG. 9, the inspection file 63 includes a reference number, a name of a company where the high-voltage power receiving equipment 12 is in charge of each inspector (identification code ID), a postal code of the same company, an address,
It is configured based on attribute data such as telephone numbers and installation dates.

(Inspection Schedule File) The inspection schedule management file 64 manages an annual, monthly or weekly inspection schedule of each inspector (identification code ID). As shown in FIG. 10, the inspection schedule management file 64 is configured based on the inspection date and time, the inspection target company name, the postal code of the same company, and the address. The inspection schedule is prepared by collecting inspection target companies existing in the same area or district based on the postal code and the like and considering the inspection route. Therefore, the inspector can intensively visit the inspection target companies in the same area or district. That is, the patrol efficiency is improved, and the patrol time can be shortened.

(Measurement Data File) The measurement data file 65 is a data file of a form effective for inspection work created by the host computer 15 editing and processing the measurement data periodically collected from the monitoring terminal device 13. is there. As shown in FIG. 7, the host computer 15 is
For example, the leakage current measurement data measured by the current transformer 22 (see FIG. 1) is converted into a time series graph to create a leakage current measurement data file. Also, edit the history of abnormalities,
A state data file (not shown) of the high-voltage power receiving equipment 12 is created.

(Operation of Embodiment) Each of the files 62 to
When accessing the 65, each inspector can access the necessary files by logging on to the host computer 15 from the inspector's mobile terminal 66 via the network 16. That is, the inspector transmits his / her identification code ID, password PW and the like from the inspector mobile terminal 66 to the host computer 15 via the network 16. When the identification code ID and password PW etc. are received, the host computer 15 authenticates the inspector from the identification code ID and password PW etc., and only when it is verified that the person is a properly registered inspector, the file relating to that inspector. Allow access to.

The inspector downloads the necessary data files from his own file to the inspector's portable terminal 66. As a result, the downloaded data file can be displayed on the display of the inspector's mobile terminal 66 and viewed whenever necessary. Therefore, the inspector can always know his / her inspection schedule. Further, the state of each high-voltage power receiving facility 12 to be inspected can be grasped and organized in advance. Therefore, inspection work can be performed efficiently.

(Effect of Embodiment) Therefore, according to this embodiment, the following effects can be obtained. By constructing the database 61 composed of the files 62 to 65 in the host computer 15 and using the inspector's portable terminal 66, desired data in the database 61 can be retrieved from the host computer 15. As a result, the monitoring center 14 side provides the inspector with support for efficiently performing the inspection work. That is, each inspector uses his / her own mobile terminal 66 for inspector, and whenever necessary, his / her inspection schedule, patrol route,
The operating state of the high-voltage power receiving equipment 12 to be inspected and the abnormality occurrence history can be obtained from the host computer 15 in the form of graphic information such as graphs and tables. Therefore, it is possible to immediately carry out an optimal inspection work plan, preparation of user explanation materials, and the like. Therefore, the work efficiency of the inspection work is improved, and the number of companies in charge of inspection can be increased.

(Fourth Embodiment) Next, a fourth embodiment of the present invention will be described with reference to FIG. This embodiment differs from the second embodiment in that data communication between the monitoring terminal device 13 and, for example, an office 51 in a building is performed wirelessly. Therefore, the same reference numerals are given to the same member configurations, and the duplicated description will be omitted.

As shown in FIG. 11, a line switching circuit 71 is arranged between the communication port 38 (see FIG. 5) of the arithmetic processing section 31 and the modem circuit 57. The communication port 38 of the arithmetic processing unit 31 and the line switching circuit 71 are connected by a transmission line, and the line switching circuit 71 and the modem circuit 5 are connected.
7 and 7 are connected by an RS-232C cable.

The modular jack 5 is connected to the modem circuit 57.
8 is connected to the modular jack 58,
For example, a telephone line arranged in the building of the installation destination can be connected from the outside. Also, one end of an RS-232C cable 72 different from the above is connected to the line switching circuit 71, and the other end of the RS-232C cable 72 is connected to the other end.
The PHS module 73 can be connected from the outside.

The PH is connected to the other end of the RS-232C cable 72.
When the S module 73 is connected, the arithmetic processing unit 31 automatically recognizes this and controls the line switching circuit 71 so that the line from the modem circuit 57 side to the PHS module 73.
Switch to the connection side. The arithmetic processing unit 31 uses RS-23.
Based on the short-circuit state of the 2C cable 72, it is determined whether or not the PHS module 73 is connected.

On the other hand, a modem 74 is installed in the office 51 in the installation building, and the modem 74 has the above-mentioned PH.
A PHS module 75 different from the S module 73 can be connected. Therefore, the PHS extension mode (transceiver mode) enables data communication between the monitoring terminal device 13 in the cubicle and the office 51 via the telephone line (network 16).

When it is easy to connect, for example, a telephone line arranged in a building premises to the modular jack 58 on the monitoring terminal device 13 side, the PHS modules 73 and 75
Data communication is performed via the telephone line 50 connected to the modular jack 58 without using (without connecting). If it is difficult to connect the telephone line 50, the PHS modules 73 and 75 are connected to each other, and data communication is performed wirelessly between them.

Therefore, according to this embodiment, the following effects can be obtained. When the installation location of the monitoring terminal device 13 is a location where it is difficult to connect a telephone line, the PHS modules 73 and 75 can be used to perform wireless data communication. Therefore, it is not necessary to provide a dedicated telephone line, and the installation cost of the monitoring terminal device 13 can be reduced. Also,
It is not necessary to change the layout of the office room 51 depending on the position of the outlet of the telephone line.

(Other Example) The above-described embodiments may be modified and implemented as follows. -In the third embodiment, each inspector uses the inspector's mobile terminal 66.
Although various data in the database 61 are obtained from the host computer 15 and browsed by using the above, it may be performed as follows. That is, as shown in FIG.
Various data files 62 to the WWW database 82 built in the W (World Wide Web) server 81
~ 65 etc. are moved so that the inspector's portable terminal 66 can log on. The WWW server 81 determines whether it is a regular inspector based on the inspector's identification code ID and password PW transmitted from the inspector's mobile terminal 66, and determines that it is a regular inspector. Only when it does, access to the WWW database 82 is permitted.
The inspector uses the browser installed in the inspector's mobile terminal 66 to download the required file from the WWW database 82 among the data files 62 to 65. As a result, the inspector can download the downloaded file data at any time when it is necessary for the inspector's mobile terminal 6
6 can be displayed and viewed on the display.
Further, dedicated communication software and display application software for performing data communication with the host computer 15 are not required.

In the first and second embodiments, the communication state may be displayed by using the indicator 36 that displays the measured data value (current value and temperature). That is,
Display a specific display when connecting to the line, when data transmission / reception ends normally, and when it fails. As shown in FIG. 13, for example, when the display 36 is capable of displaying a number of up to 3 digits, “777” is blinked during communication and “888” is displayed for 10 seconds when the communication is normally completed. After the light turns on, it returns to the normal measurement display. On the other hand, when the communication fails, "999" is blinked for 10 seconds. In this way, unlike the case where the communication state is displayed by the dot type LED, for example, the communication state can be managed and it is possible to determine whether or not the content of the message (alarm content) is correct. Further, unlike the case where a dedicated display device for displaying the communication status is separately provided, the component cost of the monitoring terminal device 13 can be reduced.

In the first and second embodiments, FIG.
As shown in, the current transformer 2 is separate from the original current measurement winding.
One test winding 83 passing through 2 may be pre-wired and energized only during inspection to be used for calibration of the current transformer 22. That is, at the time of inspection, a tester 84 is connected to both ends of the test winding 83 to pass a test current. Then, it is confirmed whether or not the current transformer 22 measures the current value correctly, and if the current value is not correctly measured, the current transformer 22 is adjusted so that the correct current value is measured. Normally open (when not inspected). By doing so, it is not necessary to perform construction for testing in the cubicle type high-voltage power receiving equipment 12 that is narrow every time inspection is performed, and inspection work efficiency can be improved. By the way, conventionally, the inspector wound the test winding around the current transformer 22 at every inspection.

In the first and second embodiments, the modem 2
Although 4 and 25 are externally attached to the monitoring terminal device 13 and the host computer 15, respectively, they may be incorporated.

In the first and second embodiments, the memories 37 and 42 may be built in the arithmetic processing unit 41 and the CPU 41. In the first and second embodiments, the display 36 is composed of a liquid crystal display (LCD), a fluorescent display tube (VFD), or the like, but, for example, a dot type LED and a 7 segment LED
You may make it display a multi-digit number by combining etc.

In the first and second embodiments, the monitoring terminal device 13 determines whether or not the measurement data exceeds a preset reference value. However, the monitoring terminal device 1
Alternatively, the host computer 15 may determine whether the host computer 15 is normal or abnormal based on various monitoring data collected from No. 3. That is, when the measurement data transmitted from the monitoring terminal device 13 is received, the host computer 15 once stores the measurement data in the memory 42. And the storage device 4
By executing the data analysis program loaded from No. 5 to the memory 42, it is judged whether the received monitoring data is normal or abnormal.

In the first and second embodiments, both the leakage current and the transformer case temperature are measured, but only one of them may be measured. In the first and second embodiments, the high voltage power receiving equipment 12 is monitored, but other equipment such as various production equipment in a factory may be monitored.

In the first embodiment, the urgency level is divided into a plurality of stages according to the content of the abnormality, and only when it is determined that the abnormality has the highest urgency, the monitoring center 14 directly gives an abnormality to the engineer in charge. Although the notification of the occurrence is made, it may be made as follows. That is, regardless of the urgency level, the engineer in charge is always notified when it is determined to be abnormal. Specifically, when the alarm data from the monitoring terminal device 13 is received, the host computer 15 outputs a voice or character to the mobile terminal 49 such as a mobile phone of a plurality of technicians in charge who have determined the notification order in advance. , It will automatically notify by image data etc.

In the first embodiment, the notifications are sequentially sent to the mobile terminals 49 of a plurality of engineers in charge whose notification order is determined in advance, but the notifications may be sent at random.
Also, the engineer in charge may be one.

In the first and second embodiments, as shown by the chain double-dashed line in FIGS.
This S-232C output port 54 is provided, and this RS-232
Notebook type personal computer 5 at C output port 54
It is also possible to directly connect 6 to collect the accumulated data of the monitoring terminal device 13 at the installation site of the monitoring terminal device 13.

In the third embodiment, as shown by the chain double-dashed line in FIG. 11, by connecting the notebook personal computer 56 directly to the PHS module 75, the P
The accumulated data of the monitoring terminal device 13 may be collected via the HS module 75.

In the first to third embodiments, the sampling method and storage method of the measurement data of the monitoring terminal device 13 are not limited to each embodiment. For example, the data sampling time for follow-up survey is 5 minutes or less (1 minute, 2
Minutes, 3 minutes, etc.), and this data may be stored in the memory 37.

(Supplementary Notes) Next, the technical ideas that can be understood from the above-described embodiment and other examples will be additionally described below. (B) Various types of equipment required to improve the efficiency of the inspection work in the inspection target equipment inspection support system that assists the inspection work of the inspector who inspects the monitored equipment remotely monitored by the host computer via the network A monitoring target facility inspection support system in which a database composed of the data files of 1. is built in the host computer, and the data in the database can be taken out to the outside via a network.

(B) The various data files include at least the inspection schedule management file of the inspector, the monitoring data of the equipment to be monitored, and the abnormality occurrence history data file. .

(C) The various data files are WWW
The monitored equipment inspection support system according to (a) or (b) above, which is transferred to a WWW database constructed on a server.

(D) Using the portable terminal device that can be carried, the various data files can be taken out from the host computer via the network.
The facility inspection support system to be monitored according to item (b).

(E) Support for inspection of facility to be monitored according to item (C), in which the various data files can be taken out from the W server via the network using a portable terminal device that is portable system.

[0127]

According to the present invention, the monitoring data can be collected from the host computer without accessing the monitoring terminal device. Therefore, between the monitoring terminal device and the host computer. Smooth data communication can be performed.

According to the invention described in claims 8 to 11, since the amount of information of the monitoring data stored in the storage means is reduced, the storage capacity of the storage means of the monitoring terminal device can be reduced.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram of an insulation monitoring system according to a first embodiment.

FIG. 2 is a block diagram showing the configuration of an insulation monitoring device according to the first embodiment.

FIG. 3 is a block diagram showing the configuration of a host computer according to the first embodiment.

FIG. 4 is a schematic configuration diagram of an insulation monitoring system according to a second embodiment.

FIG. 5 is a block diagram showing the configuration of an insulation monitoring device according to a second embodiment.

FIG. 6 is a schematic configuration diagram of an inspection support system according to a third embodiment.

FIG. 7 is a graph showing a display example of a leakage current measurement data file according to the third embodiment.

FIG. 8 is a list diagram showing the structure of an inspector file according to the third embodiment.

FIG. 9 is a list diagram showing the configuration of a high-voltage power receiving facility inspection file according to the third embodiment.

FIG. 10 is a list diagram showing the structure of an inspection schedule management file in a third embodiment.

FIG. 11 is a schematic configuration diagram on the high voltage power receiving facility side in the fourth embodiment.

FIG. 12 is a schematic configuration diagram of an inspection support system according to another embodiment.

FIG. 13 is a schematic configuration diagram showing a display example of a display device according to another embodiment.

FIG. 14 is a schematic configuration diagram showing an arrangement state of test windings for a current transformer according to another embodiment.

[Explanation of symbols]

11 ... Monitoring system, 12 ... High-voltage power receiving equipment (equipment to be monitored), 13 ... Monitoring terminal device, 15 ... Host computer, 16 ... Network, 36 ... Display, 50 ... Telephone line constituting transmission means, 51 ... Office room (Data collection place), 52 ... Outlet forming the transmission means, 54 ... R
S-232C output port (output converter), 56 ... Notebook type personal computer (portable terminal device), 66 ... Inspector portable terminal device (portable terminal device).

Front page continuation (51) Int.Cl. ⁷ Identification code FI theme code (reference) H04M 11/00 301 H04M 11/00 301 // G06F 13/00 351 G06F 13/00 351N (72) Inventor Matsuoka Yoshifumi Nara 3-24 Asahikita-cho, Yamatotakada-shi, Japan (72) Toshiaki Katahira 3-10-20 Minami Tezukayama, Nara-shi, Nara (72) Inventor Tokuo Saeki 2-529-3 Asahimoto-cho, Nara-shi, Nara Excel Heights A- 301 F-term (reference) 5B089 GA11 GA23 JA35 JB16 KA04 KA13 KB11 KC28 KC29 KC30 KC59 MC01 5C087 AA03 AA04 BB11 BB20 BB46 BB65 BB74 DD08 DD21 DD22 DD23 DD33 EE01 EE05 EE08 EE14 FF01 FF02 FF16 FF19 FF23 GG18 GG19 GG31 GG37 GG67 5G064 AA01 AA04 AC09 BA02 CA08 CA12 CB08 CB18 DA03 DA05 5H223 AA19 BB01 BB08 DD05 DD07 DD09 EE06 EE11 EE13 5K101 KK12 LL01 LL11 MM07 RR12

Claims (11)

[Claims] 1. A monitoring system for remotely monitoring a monitoring terminal device for monitoring the operating state of a facility to be monitored through a network from a host computer, wherein the monitoring terminal device is , A monitoring system that automatically sends various monitoring data to the host computer. 2. The monitoring terminal device immediately transmits the alarm data to the host computer when an abnormality of the equipment to be monitored is detected, regardless of the data transmission date and time designated in advance. Surveillance system. 3. The host computer automatically transmits various kinds of initial setting data for determining the operation of the monitoring terminal device when the monitoring terminal device is newly installed. Monitoring system described in. 4. The host computer creates a schedule for the data transmission date and time of each monitoring terminal device so that the data transmission dates and times of a plurality of monitoring terminal devices existing in the monitoring area of the host computer do not overlap with each other. The monitoring system according to claim 1, wherein the monitoring system is provided. 5. When the alarm data is received from the monitoring terminal device, the host computer automatically transmits an abnormality notification signal to a portable terminal device carried by a technician in charge in advance via a network. 5. When receiving a response signal from the mobile terminal device indicating that the reception has been normally completed, the host computer automatically recognizes the completion of notification of an abnormality occurrence. Monitoring system described in. 6. The host computer transmits an abnormality notification signal to a mobile terminal device carried by a technician in charge in accordance with a preset notification order, and responds that the content confirmation is completed within a preset waiting time. Until the signal is received
The monitoring system according to claim 5, wherein the notification process is sequentially repeated. 7. When a plurality of monitoring terminal devices existing in a monitoring area of the host computer detect a power failure, and the power failure continues for a predetermined time, a monitoring is performed for each monitoring terminal device in advance. The monitoring system according to any one of claims 1 to 6, wherein each monitoring terminal device transmits alarm data to the host computer after a lapse of a set predetermined delay time. 8. The monitoring unit monitors the operating state of the equipment to be monitored, accumulates monitoring data sampled at preset preset sampling times in a storage unit, and stores the storage unit every preset data transmission cycle. A monitoring terminal device configured to transmit the monitoring data stored in the host computer to a host computer via a network, and to enable a follow-up investigation when an abnormality is detected A monitoring terminal device capable of accumulating monitoring data sampled at every sampling time set to be short in the storage means. 9. A data collection place for collecting monitoring data is provided in advance at a position distant from the equipment to be monitored, and a transmission means for transmitting the monitoring data from the equipment to be monitored to the data collection place is provided. 9. An output converter is provided, which converts the monitoring data transmitted by the transmission means into a computer readable form and disposes a portable terminal device carried by a pre-registered engineer in a detachable manner. Monitoring terminal equipment. 10. The monitoring terminal device according to claim 9, wherein the data transmission method of the transmission means can select either wireless or wired depending on an installation environment. 11. The display device for displaying the monitoring data is provided, and the display device further displays the communication state with the outside. Monitoring terminal equipment.