JP2001307274A - Telemeter system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a telemeter system to collect observation data from a telemeter observation device without going to a local place if the telemeter observation device has trouble. SOLUTION: In the telemeter system wherein a telemeter monitor and a plurality of telemeter observation devices and a terminal are connected each other by communication network, each telemeter observation device is provided with a first accumulated media to accumulate observation data observed by a observing sensor, a writing processor to write the observation data in the first accumulated media, a first server to transmit latest observation data to the telemeter monitor based on first request from the telemeter monitor, and a second server to transmit a file corresponding to retrieval object period designated by second request to the terminal. The telemeter monitor is provided with a call-out controller to receive the observation data from each telemeter observation device. The terminal is designed to make the second request and to be provided with a download portion to receive a file transmitted from each telemeter observation device.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to an IP telemeter system. In particular, the present invention relates to collection of observation data when the telemeter monitoring device cannot collect observation data due to a failure of the telemeter monitoring device.

[0002]

2. Description of the Related Art River management, dam management, erosion control measures, and the like are taken by measuring the water level and rainfall of rivers and the rainfall of forests facing roads. Conventionally, a plurality of observation devices for observing water level and rainfall, and a monitoring station for collecting observation data from the observation station have been used, and these measures have been taken by a telemeter system specified in the standard specifications of the Ministry of Construction.

FIG. 22 is a configuration diagram of a conventional telemeter system. As shown in FIG. 22, the conventional telemeter system includes a monitoring station 2 and a plurality of observation stations 10 # i (i = 1 to
n). The monitoring station 2 includes a telemeter monitoring and control device 4, a transmission system facility 6, and an upper processing system facility 8. On the other hand, each observation station 10 # i (i = 1 to n) is
2 # i, telemeter observation device 14 # i, measurement sensor 16
#I and self-recording equipment 18 # i. The telemeter observation device 14 # i constantly measures rainfall, river water level, and the like from a measurement sensor 16 # i such as a water level sensor or a rainfall sensor, prints it on a self-recording facility 18 # i, and also telemetry observation device 14 # i. Notify.

[0004] Telemeter monitoring and control device 4 in monitoring station 2
Transmits observation data such as rainfall and water level at each current observation point through the transmission system equipment 6 which is a radio equipment according to a unique protocol, and transmits each observation station 10 # i (i = 1 to n).
Requesting transmission. When the telemeter observation device 14 # i in each observation station 10 # i receives a request addressed to itself from the monitoring station 2 via the transmission system equipment 12 # i, the measurement sensor 16
The measurement data is received from #i, and the latest measurement data is transmitted through the transmission system equipment 12 # i. The telemeter monitoring and control device 4 transmits each observation station 10 # through the transmission system equipment 6.
Receive measurement data from i.

[0005] On the other hand, the upper processing system equipment 8 sends, for example, an RS232 to the telemeter monitoring and control device 4 at a fixed cycle.
According to -C, the transmission of the measurement data measured by each observation station 10 # i (i = 1 to n) is requested in accordance with the regulations of the Ministry of Construction standard specifications. The telemeter monitoring and control device 4 makes each observation station 10 # i (i = 1 to
Transmit the observation data in n). Upper processing system equipment 8
Receives the observation data from the telemeter monitoring and control device 4, performs arithmetic processing such as statistical processing, and stores the time-series data in a storage medium. This time-series data is read by a terminal device such as a personal computer and displayed on a screen or the like.

[0006]

However, as described above, in a conventional telemeter system represented by the standard specifications of the Ministry of Construction, if there is no dedicated device specialized for telemeter collection, collection of observation data from the site is not possible. Could not do. Therefore, when information cannot be collected from each monitoring station at the monitoring station due to an abnormality in the telemeter monitoring device, etc., use a self-recording system installed at each monitoring station or print records such as a mini printer. The current situation is to isolate faulty points and restore data from monitoring stations. Therefore, a lot of labor was required.

[0007] The present invention has been made in view of the above, and provides a telemeter system that can collect observation data without going to the site even if the telemeter monitoring device cannot collect the observation data due to a failure or the like. The purpose is to:

[0008]

FIG. 1 shows the principle of the present invention. As shown in FIG. 1, the telemeter system includes a telemeter monitoring device 30, a plurality of telemeter observation devices 20 #.
i (i = 1 to n) and the terminal device 36. Telemeter monitoring device 30, a plurality of telemeter observation devices 20 # i
And the terminal device 36 are connected to each other by the communication network 28. Each telemeter observation device 20 # i (i =
1 to n), the first storage medium 22 # i, the write processing unit 2
3 # i, first server unit 24 # i, and second server unit 26 #
i. The telemeter monitoring device 30 includes a second storage medium 32 and a call control unit 34. The terminal device 36 has a third storage medium 38 and a download unit 40.

The writing processor 23 # i in each telemeter monitoring device 20 # i assigns a file name relating to the observation time of the observation data observed by the observation sensor 21 # i, and stores the observation data in the first storage medium. 22 # i. The call control unit 34 in the telemeter monitoring device 30 makes a first request for transmitting the latest data to each telemeter monitoring device 20 # i. The first server unit 24 # i receives the first request and transmits the latest observation data to the telemeter monitoring device 30 via the communication network 28. The telemeter monitoring device 30 receives the latest observation data and writes it in the second storage medium 32. As a result, the telemeter monitoring device 30 updates the latest observation data with each telemeter monitoring device 20 #.
i.

It is assumed that the latest observation data cannot be collected due to a failure of the telemeter monitoring device 30 or the like. The download unit 40 in the terminal device 36 sends the second request including the designation of the search target period to each telemeter observation device 20 # i (i = 1
To n). The second server unit 26 # i stores a file having a file name corresponding to the search target period in the first storage medium 2.
Read from 2 # i. As a result, for example, it is possible to search for only missing observation data because observation data cannot be collected due to a failure of the telemeter monitoring device 30 or the like.
The second server unit 26 # i transmits the file read from the first storage medium 22 # i to the terminal device 36 via the communication network 28. The download unit 40 receives the file and stores the file in the third storage medium 36. This makes it possible to compensate for the missing data. for that reason,
It is possible to make up for missing observation data without going to the site.

[0011]

FIG. 2 is a block diagram of an I / O according to an embodiment of the present invention.
It is a P telemeter system block diagram. The IP telemeter system according to the embodiment of the present invention includes an observation station including a plurality of observation devices that measure on-site observation data, such as a dam management system, a sabo system, and a river management system. It is applicable when it is configured from a monitoring station that manages As shown in FIG. 2, the IP telemeter system includes an observation station 50, an IP network 56,
And a monitoring station 58. The observation station 50 has a plurality of on-site sensors 52 # i (i = 1 to n) and an IP telemeter observation device 54 # i (i = 1 to n). The on-site sensor 52 # i and the IP telemeter observation device 54 # i are arranged at observation points such as rivers and forests.

FIG. 3 is a configuration diagram of the on-site sensor 52 # i and the IP telemeter observation device 54 # i in FIG. The site sensors 52 # i are a river water level sensor 72 # i, a rainfall sensor 74 # i, and the like. One or more sensors are located at the site as needed. Rainfall sensor 72 # i
Is a sensor for measuring the amount of rainfall. For example, when a certain amount of rain falls, the sensor outputs a pulse to the IP telemeter observation device 54 # i. For example, one pulse is output for every 1 mm of rainfall. The water level sensor 74 # i measures the water level of the river and
The numerical value of the decimal number is converted into a numerical value of the decimal number (BCD) and output to the IP telemeter observation device 54 # i.

The IP telemeter observation device 54 # i has the following functions.

A function of receiving observation data from the on-site sensor 52 # i.

A function for temporarily storing (buffering) observation data.

A function of recording a fixed number of buffered observation data on a recording medium as one file.

An IP address is uniquely assigned,
A function of interfacing with the IP network 56 using the IP address and transmitting and receiving IP packets according to the TCP / IP protocol.

A function of transmitting the latest observation data to the telemeter monitoring device 60 via the IP network 56 when a transmission request of the site data from the telemeter monitoring device 60 is received from the IP network 56.

When a transmission request of observation data from the personal computer 64 having a Web browser in the monitoring station 58 is received from the IP network 56, the measurement data is searched according to the transmission of the initial menu screen and the designation from the initial menu screen, and the search is performed. Function to send measurement data.

The telemeter monitoring device 60 and the personal computer 6
(4) A function to transfer a specified file when a file transfer is requested by the FTP protocol.

The IP telemeter observation device 54 # i has an I / O
It has an O slot 76 # i, a CPU (not shown), a main memory, a line IF unit 92 # i, and a storage medium 94 # i. Basic control unit 78 # i, data input processing unit 80 # i,
Primary file processing unit 80 # i, writing processing unit 84 #
i, HTTP server unit 86 # i, FTP server unit 88 #
The i and the latest data transmission server unit 90 # i execute a program stored in the main memory by the CPU.
The I / O slot 76 # i receives pulses and BCD data from the rainfall sensor 72 # i and the water level sensor 74 # i.
The basic control unit 78 # i includes an operating system that controls the data input processing unit 80 # i and the like.

FIG. 4 shows a data input processing unit 80 # shown in FIG.
It is a figure which shows the processing content of i. Data input processing unit 80 #
When the latest observation data is input from the I / O slot 76 # i at regular intervals, for example, every 1 second, the observation data is edited into, for example, the format shown in FIG. Write the latest observation data such as to the buffer. As shown in FIG. 4, an area for storing observation data includes a common information section and a data section. The common information section is yy, yy year, mm month, dd day, hh hour, mm
It consists of observation time, station number, system number, area code, etc. of observation data of minutes and ss seconds. Here, the cycle for collecting the latest observation data is 1 second. The common information section is, for example, a 12-byte area. The data section is an area for storing observation data observed by each sensor, and stores a maximum of 10 data. For example, assuming that the observation data of each sensor is 4 bytes, when buffering 10 volumes of data, the total length of the common information section and the data section is 52 bytes.

FIG. 5 shows the primary file processing unit 82 in FIG.
It is a figure which shows the processing content of #i. As shown in FIG. 5, the primary file processing unit 82 # i includes a data input processing unit 80 #
Buffering is performed until the observation data written from i reaches a certain number M. That is, the primary file processing unit 82 #
“i” cyclically uses an area size (for example, 52 bytes) × a fixed number M of buffers for storing one observation data, and buffers the observation data in the buffer. The buffering is performed to reduce the number of times of writing to the storage medium 94 # i, thereby reducing the writing overhead. The fixed number M can be set arbitrarily. However, when the observation data is collected in units of seconds, for example, if the number is set to 60, the data is buffered in units of minutes.

FIG. 6 shows the write processing section 84 # i in FIG.
It is a figure which shows the processing content of. As shown in FIG. 6, when a certain number M of observation data is buffered by the primary file processing unit 82 # i, the writing processing unit 84 # i converts the buffered observation data into one file, Write to 94 # i. At this time, if the capacity of the storage medium 94 # i becomes insufficient, the oldest data is cyclically overwritten. For example, the storage medium 94 #
Assuming that the capacity of i is 8 MB, the buffering of 60 observation data of 52 bytes per second and the buffering of data per minute results in a buffered data length of about 3.2 KB (60 × 52 bytes) and 2500 minutes (about 41 bytes). Days) (= 8000
(KB / 3.2 KB).

FIG. 7 is a diagram showing an example of the storage medium 94 # i in FIG. When filing the buffered observation data in the storage medium 94 # i, a file name is added and stored.
As shown in FIG. 7, information on the time of the observation data stored in the file, for example, the oldest observation time of the buffered observation data. Let dat be the file name. For example, as shown in FIG. 12
24 17 08. dat, this file contains 17: 08: 00: 00-59 on December 24, 1999.
This means that observation data up to the second is accumulated.

As a result, as will be described later, designation of file transfer of observation data from the personal computer 64 or the telemeter monitoring device 60 by the FTP protocol becomes easy.
When a transmission request for observation data is made from the personal computer 64 using the HTTP protocol, advantages such as easy identification of the file name of the observation data included in the search target period designated by the personal computer 64 and easy management are provided. is there. For example, 17:08:00 on December 24, 1999
When requesting a file transfer from seconds to 59 seconds, 19
99 12 24 17 08. What is necessary is just to request the file transfer of dat. In addition, 17 December 24, 1999
If hour 08 is specified as the search target period, 19
99 12 24 17 08. What is necessary is just to search the file of dat.

FIG. 8 shows the HTTP server unit 86 # in FIG.
It is a block diagram of i. The HTTP server unit 86 # i includes an initial menu screen transmission unit 100 # i, a latest data search unit 10
2 # i, latest data screen creation unit 103 # i, latest data screen transmission unit 104 # i, stored data confirmation screen transmission unit 10
6 # i, stored data search unit 108 # i, time-series data screen creation unit 110 # i, and time-series data screen transmission unit 112
#I.

FIG. 9 is a diagram showing an initial menu screen displayed by the Web browser of the personal computer 64. The initial menu screen transmission unit 100 # i establishes a connection with the personal computer 64 by the HTTP protocol,
When a request is received from the Web browser, the line IF
An initial menu screen shown in FIG. 9 is transmitted to the personal computer through the unit 92 # i and the IP network 56. The initial menu screen is a screen that displays a method of specifying a search target using the Web browser of the personal computer 64. For example, as shown in FIG. 9, as a method of designating a search target, there are confirmation of latest data, confirmation of accumulated data, and designation of download of accumulated data.

The confirmation of the latest data is a designation for requesting transmission of the latest observation data. This is for the case where it is desired to check the latest observation data on the telemeter monitoring device personal computer 64 side. Confirmation of the telemeter monitoring device observation accumulated data is a designation for requesting display and download of observation data in a designated search target period. Here, the display designation refers to the designation of transmission of the time-series data screen data of the observation data in the search target period, and the download designation refers to the file transmission designation of the observation data in the search target period. The download of the stored data is a designation to transfer all the files stored in the storage medium 94 # i. Latest data search unit 103 #
i is the data input processing unit 80 # i when confirmation of the latest data is designated by the Web browser of the personal computer 64.
Reads the latest observation data written in the buffer.

FIG. 10 is a view showing the latest data screen displayed by the Web browser of the bass computer 64. The latest data screen creation unit 103 # i, as shown in FIG.
Based on the latest data read by the latest data retrieval unit 102 # i, the observation time, sensor type (sensor 1 and 2 input), measurement value (999, +0018), and the content of the measurement value (rainfall counter value, water level) Create the latest data screen information of (measured value). The latest data screen transmission unit 104 # i transmits the latest data screen information to the personal computer 64 via the line IF unit 92 # i and the IP network 54.

FIG. 11 is a view showing a stored data confirmation menu screen displayed by the Web browser of the personal computer 64. When the confirmation of the accumulated data is designated by the Web browser of the personal computer 64, the accumulated data confirmation screen transmitting unit 106 # i, for example, as shown in FIG. Latest xx minutes, 2. Time specification xxxx year x
xx month xx day xx hour xx minutes to xxx year xx month xx day xx
At time xx, the screen information including the display / download is transmitted to the personal computer 64 through the line IF unit 92 # i and the IP network 54. The specifiable period is a period that can be specified as a search period.
4 # i means the time from the oldest time to the latest time of the observation data of the observation data stored in #i.

The latest xx minutes means that the observation data from the latest time to xx minutes is to be searched. Time specification x
The term "xxx year xx month xx day xx hour xx minute" to "xxx year xx month xx day xx hour xx minute" means that observation data included in the time in these ranges is to be transmitted. Display / download refers to designation of screen display of observation data / download of an observation data file. Stored data search unit 1
08 # i, when the confirmation of the stored data is designated on the initial menu screen and the display is designated on the confirmation screen of the accumulated data, all the observation data included in the designated search target period is stored in the storage medium in the corresponding file unit. 94 # i
From the time series data screen creation unit 110 #
Output to i.

FIG. 12 is a view showing a confirmation screen of the stored data displayed by the browser of the personal computer 64. The time-series data screen creation section 110 # i
Each observation data stored in the file read from 08 # i, for example, as shown in FIG. 12, is edited in chronological order of observation time to create screen data. The time-series data screen creation unit 112 # i transmits the screen data created by the time-series data screen creation unit 110 # i to the line IF unit 9
2 # i and the source IP address (Bassocon 6) set in the IP packet through the IP network 56.
Send to 4).

The FTP server unit 88 # i shown in FIG. 3 is configured to search for the search target specified on the confirmation menu screen when the confirmation of the stored data is designated on the initial menu screen and the download is designated on the confirmation menu screen of the accumulated data. When the download of the stored data included in the period is designated on the initial menu screen, all the files included in the storage medium 94 # i are transferred, and when the file transfer is requested by the FTP protocol, the requested file is transferred. The packet is transmitted to the source IP address (the personal computer 64 or the telemeter monitoring device 60) set in the IP packet by the FTP protocol. Line I
The F unit 90 # i transmits and receives IP packets to and from the IP network 56, and
IP by E-TX, 100BASE-FX, BRI, etc.
Connected to the network 56. The storage medium 94 # i is
This is a storage medium for storing observation data. For example,
Examples include an HDD, a flash memory, and a PC card of the PCMCIA specification.

FIG. 13 shows the telemeter monitoring device 6 shown in FIG.
FIG. As shown in FIG. 13, the telemeter monitoring device 60 has a CPU, a main memory, a line IF unit 26, and a storage medium 128 (not shown). Basic control unit 1
20, the call control unit 122 and the higher system output unit 124 are executed by the CPU by a program loaded in the main memory. The basic control unit 120 plays a role of overall control of the call control unit 122 and the like and an operation system. The call control unit 122 transmits a packet (call signal) for sequentially requesting the observation data to all the IP telemeter observation devices 54 # i (i = 1 to n), and transmits the observation data transmitted from the IP telemeter observation devices 54 # i. The received packet (sensor information) is received using, for example, the TCP / IP protocol. When the latest observation data is received for all the IP telemeter observation devices 54 # i, the received sensor information is stored in the HDD 142. Has functions. Each IP
The IP address of the telemeter observation device 54 # i is registered in a table, for example, in advance.

Upon receiving a data request packet from the information processing server 62, which is an upper apparatus, from the IP network 56, the upper system output unit 124 reads the latest observation data from the HDD 128 and transmits the observation data packet to the information processing server 62. I do. The line IF unit 126 transmits and receives IP packets to and from the IP network 56, and includes 10 / 100BASE-TX and 100BASE.
-Connected to the IP network 56 by FX, BRI, or the like.

FIG. 14 is a configuration diagram of the information processing server 62 in FIG. As shown in FIG. 14, the information processing server 6
2 denotes a CPU (not shown), a main memory, and a line IF unit 1
40 and a storage medium 142. Basic control unit 130,
In the data acquisition unit 132, the arithmetic processing unit 134, the time-series data filing unit 136, and the Web server unit 138, a program loaded into the main memory is executed by the CPU. The basic control unit 130 performs overall control of the data acquisition unit 132 and the like and functions as an operating system. The data acquisition unit 132 requests the telemeter monitoring device 60 to transmit observation data using the TCP / IP protocol at regular time intervals, and receives the observation data from the telemeter monitoring device 60. The arithmetic processing unit 134
Various arithmetic processing such as statistical processing (for example, the time transition of rainfall is represented by a bar graph) is performed on the received observation data. The time-series data file ring unit 136 stores time-series data obtained by performing arithmetic processing on observation data in the time-series data file 142. The web server unit 138 includes:
If there is a request by the HTTP protocol, the time-series data is read from the time-series data file 142 to create screen data. Then, the request source, for example, the personal computer 64
Send to The line IF unit 140 is connected to the IP network 5
6 for transmitting and receiving IP packets to and from
0 / 100BASE-TX, 100BASE-FX, B
It is connected to the IP network 56 by RI or the like.

The personal computer 64 is a Web browser, FTP,
An IP network 54 having a client and an HDD
Connected to. The personal computer 64 uses the Web browser to request the information processing server 62 to transmit the time-series observation data, and to receive and display the time-series observation data. Further, in the case where a loss of observation data is found from the displayed time-series observation data, the Web browser and the F
Using the TP client, request the IP telemeter observation device 54 # i to display the screen of the latest observation data, display the screen of the missing observation data, or download the missing observation data, and display it on the screen or download the file. I do.

The operation of the IP telemeter system shown in FIG. 2 will be described below.

(A) IP telemeter observation device 54 # i
Accumulation of observation data at the rainfall sensor 72 # i indicates that the rainfall is a fixed amount, for example, 1 m
m, and outputs a pulse to the IO slot 76 # i every time it descends. The water level sensor 74 # i measures the water level of a river or the like,
BCD conversion and output to IO slot 76 # i. Hereinafter, the outputs of the rainfall sensor 72 # i and the water level sensor 74 # i are referred to as sensor values. The data input processing unit 80 # i captures a sensor value input to the IO slot 76 # i at regular intervals (for example, every one second). Then, as shown in FIG. 4, the observation time and the like are set in the common information section with reference to a clock (not shown). Write the sensor value to the data section. When the observation data is written by the data input processing unit 80 # i, the primary file processing unit 82 # i copies the written observation data to the buffer. Every time after a certain time,
For example, it notifies the writing processing unit 84 # i every minute.

Upon receiving the notification from the primary file processing unit 82 # i, the write processing unit 84 # i converts the buffered observation data for a certain time into one file.
Observation time common to the observation data, for example, xxxx
(Year) xx (month) xx (day) xx (minutes). dat
As a file name in the storage medium 94 # i. Since writing to the storage medium 94 # i can be normally performed in an input unit of the data input processing unit 80 # i, for example, in less than one second, the data is copied to the buffer by the primary file processing unit 82 # i. And reading from the buffer by the write processing unit 84 # i is not performed simultaneously. That is, the storage medium 94 # is not changed until the next observation data is input.
Writing to i ends. Write processing unit 84 # i
Overwrites the oldest observation data when the free space of the storage medium 94 # i falls within a certain range.

(B) Observation data collection FIG. 15 is a diagram showing an observation data collection sequence.
As shown in FIG. 15, the call control unit 122 in the telemeter observation device 60 initializes i = 1. The IP address of the IP telemeter observation device 54 # i (i = 1 to n) is obtained from a table (not shown). The IP address of the IP telemeter observation device 54 # i is the transmission destination address, the own IP address is the transmission source address, and the transmission request signal is I.
P call, and set the calling signal to the line IF
A call signal is transmitted to the IP network 56 through the unit 126.

The latest data transmitting unit 90 # i in the IP telemeter observation device 54 # i takes in the latest observation data (sensor information) from the buffer when the IP address of its own device is set in the packet of the call signal. Then, the source address of the call signal is set to the destination address,
The P address is set in the source address and the observation data is set in the IP packet, and the sensor information is set in the line IF unit 92.
#I to the IP network 56 via #i.

The call control unit 122 includes a line IF unit 126
When the sensor information addressed to itself is received from the IP network 56 through the, the data is written to the latest data file 128.

The IP telemeter monitoring device 60 is provided for all I
Until the latest sensor information is obtained from the P telemeter observation device 54 # i (i = 1 to n), the process is repeated by incrementing i to i + 1. This is repeated at regular time intervals.

FIG. 16 is a diagram showing a processing sequence among the telemeter monitoring device 60, the information processing server 62 and the personal computer 64.

(C) Data Transmission / Reception Between the Terator Monitoring Apparatus 60 and the Information Processing Service 62 The data acquisition unit 132 in the information processing server 62 determines in step S20 whether or not it is a regular time period. If it is the regular time slot, the process proceeds to step S24. If it is not a regular fixed time zone, a wait is made in step S20.
In step S24, the data acquisition unit 132 sets the TC
According to the P / IP protocol, the telemeter monitoring device 60
Is the source address, its own IP address is the destination address, and the data transmission request signal is I
The packet is set as a P packet, and the data request packet is transmitted to the IP network 56.

Call control unit 1 in telemeter monitoring device 60
In step S2 to step S4, data is collected from the IP telemeter observation device 54 # i and the latest data is stored in the latest data file 12 in steps S2 to S4.
Filed in 8. In step S8, the upper system output unit 124 determines whether or not there has been a data transmission request from the information processing server 62. If there is a data request, the process proceeds to step S10. If there is no data request, the process returns to step S2. The higher system output unit 124 determines in step S
At 10, the latest data is read from the latest data file 128. The source address set in the data request packet is set as the destination address, the own device's IP address is set as the source address, the latest data is set in the packet, and the data is transmitted to the IP network 56.

Data acquisition unit 13 in information processing server 62
2 is the telemeter monitoring device 6 in step S26.
Data is received from 0. In step S28, the arithmetic processing unit 134 performs various arithmetic processes on the observation data. The time-series data filing unit 136 writes the time-series data subjected to the arithmetic processing to the time-series data file 142 in step S30. It returns to step S20.

(D) Information processing server 62 and personal computer 6
4 The transmission and reception of time series data between the four
Using the browser of No. 4, http: // specify the IP address of the information processing server. Confirmation of the observation data is performed by a monitor as needed. W of PC 64
The web browser makes a data request to the designated information processing server according to the HTTP protocol. Upon receiving the data request in step S32 in FIG. 16, the web server unit 138 in the information processing server 62 reads the time-series data from the time-series data file 142, edits the data into time-series screen data, and complies with the HTTP protocol. , To the personal computer 64. The personal computer 64 receives the time-series screen data and displays it on the screen. This allows the monitor to check the time-series screen data. At this time, the time-series data may be lost due to a failure of the telemeter monitoring device 60 or the like. The observer specifies the missing time from the time-series data on the screen.

(E) Transmission and Reception of Stored Data Between the Personal Computer 64 and the IP Telemeter Observation Device 54 # i (i = 1 to n) The observer confirms the failure of the telemeter monitoring device 60 in the time series data confirmation work in (d). For example, it is assumed that time series data is found to be missing. The observer specifies the missing time from the time-series data on the screen.

(E-1) Display of Missing Data FIG. 17 is a sequence chart for confirming and displaying accumulated data. As shown in FIG.
Using the browser of No.4, I
The IP address of the P telemeter observation device 54 # i (i = 1 to n) is specified. The personal computer 64 transmits the HT to the IP telemeter observation device 54 # i through the IP network 56.
An IP packet specified by a URL is transmitted by the TP protocol. The initial menu screen transmitting unit 100 # i in the IP telemeter observation device 54 # i transmits the initial menu screen. The personal computer 64 receives the initial menu screen and displays it on the screen as shown in FIG. It is assumed that the monitor selects the stored data check. The personal computer 64 transmits a packet for confirming the stored data using the HTTP protocol. The stored data confirmation screen transmission unit 106 # i transmits a stored data confirmation menu screen.

The personal computer 64 displays a stored data confirmation menu screen on the screen as shown in FIG. It is assumed that the observer has designated the time and display of missing data from the time designation in the stored data confirmation menu screen. The personal computer 64 sets the search target time and display designated by the time in the IP packet, and sets the IP telemeter observation device 5
4 transmits an IP packet to #i. Upon receiving the search target time / display, the stored data search unit 108 # i reads the files specified by the search target time from the storage medium 94 # i in chronological order. The time-series data screen creating unit 110 # i edits the time-series data read from the storage medium 94 # i to create the time-series data screen shown in FIG. (10) The time-series data screen transmission unit 112 # i
The time series data screen is transmitted to the personal computer 64. (11) Upon receiving the time-series data, the personal computer 64 displays it on the screen as shown in FIG. Thereby, the observer can check the missing data on the screen without going to the site where the IP telemeter observation device 54 # i is installed.

(E-2) Download of Missing Data Observation data must be stored in a storage medium for statistical processing and the like. Therefore, the missing data can be downloaded from the IP telemeter observation device 54 # i to the personal computer 64 and stored in a file.

FIG. 18 is a sequence chart for confirming and downloading stored data. As shown in FIG. 18, the sequence for downloading missing data is as shown in FIG.
7 are the same as up to. It is assumed that the observer has designated the time when the data is missing and the download from the time designation on the stored data confirmation menu screen. The personal computer 64 sets the search target time / download designated at the time in the IP packet, and transmits the IP packet to the IP telemeter observation device 54 # i. Upon receiving the search target time / download, the FTP server unit 88 # i reads the files specified by the search target time from the storage medium 94 # i in chronological order. The read file is transferred to the PC 6 according to the FTP protocol.
Send to 4. The personal computer 64 receives the file,
It is stored in an HDD or the like. (10) is repeated for all files to be searched. This allows the observer to supplement the missing data to the HDD or the like without having to go to the site where the IP telemeter observation device 54 # i is installed.

(E-3) IP telemeter observation device 54
Backup of the storage medium 94 # i of the #i It is also necessary to periodically back up the observation data stored in the storage medium 94 # i of the IP telemeter observation device 54 # i to the personal computer 64 from the viewpoint of improving the reliability of the system. It is believed that there is. This backup is performed according to the following sequence.

FIG. 19 is a sequence chart for downloading stored data. As shown in FIG. 19, the sequence of downloading the stored data is the same as that of to in FIG. It is assumed that the observer has selected to download the stored data on the initial menu screen. The personal computer 64 transmits a packet instructing the download of the stored data using the FTP protocol. FTP server unit 8
8 # i, upon receiving the download of the stored data, reads the file from the storage medium 94 # i in chronological order. The read file is transmitted to the personal computer 64 according to the FTP protocol. The personal computer 64 receives the file and stores it in the HDD or the like. Storage medium 94 # i
Is repeated for all the files stored in. Thereby, the IP telemeter observation device 54 # i
Can back up the observation data accumulated by.

(E-4) Confirmation of the Latest Data In some cases, such as when it becomes impossible to collect the latest data at the site due to a failure of the telemeter monitoring device 60 or the like, the observer may need to confirm the latest data at the site. . Therefore, the latest local data is confirmed according to the following sequence.

FIG. 20 is a sequence chart for confirming the latest data. The sequence for confirming the latest data is shown in Fig. 2.
As shown by 0, it is the same as to in FIG.
It is assumed that the observer has selected the latest data check on the initial menu screen. The personal computer 64 transmits a packet for confirming the latest data using the HTTP protocol. H
Latest data search unit 102 # in TTP server unit 86 # i
When i receives the latest data confirmation, it reads the latest data from the buffer. Latest data screen creation unit 103 # i
Creates the latest data screen according to the time information and sensor value of the latest data stored in the common section of the latest data.
The latest data screen transmitting unit 104 # i sets the latest data screen to H
The data is transmitted to the personal computer 64 according to the TTP protocol.
When the personal computer 64 receives the latest data screen, it displays it on the screen as shown in FIG. Thus, the observer can check the latest observation data on the screen from the IP telemeter observation device 54 # i installed at each site, and can grasp the latest data at the site.

(F) Observation data file transfer The observation data file can be transmitted by the Web browser as described above, but can also be transmitted by directly using the FTP protocol without using the Web browser.

FIG. 21 is a sequence chart of the observation data file transfer. As shown in FIG. 21, the telemeter monitoring device 60 or the personal computer 64 specifies a transfer target file using the FTP protocol. Here, since the file is a file name relating to the observation time, the transfer target file name can be easily specified. The FTP server 88 # i in the IP telemeter observation device 54 # i reads the transfer target file from the storage medium 94 # i. The transfer target file is transferred to the telemeter monitoring device 60 or the personal computer 64 using the FTP protocol. The telemeter monitoring device 60 or the personal computer 64 receives the transfer target file and stores it in the file.

As described above, according to this embodiment, the latest observation data is confirmed even when the telemeter monitoring device is abnormal, by directly accessing the telemeter monitoring device on the site from the web browser via the IP network. Can do things.

By providing the on-site IP telemeter observation device with a storage function, analog recording equipment such as a self-recording recorder that has been conventionally installed on-site becomes unnecessary. In addition, since it is not necessary to replace consumables such as recording paper and ink, which is required once every several months, labor for equipment maintenance can be greatly reduced.

[0064]

As described above, according to the present invention,
By directly accessing the telemeter observation device at the site via the terminal device via the communication network, the observation data can be confirmed even when the telemeter monitoring device is abnormal.

Since the in-situ IP telemeter observation device is provided with a storage function, analog recording equipment such as a self-recording recorder which has conventionally been installed on the site is not required. In addition, since it is not necessary to replace consumables such as recording paper and ink, which is required once every several months, labor for equipment maintenance can be greatly reduced.

Further, by specifying the file name for accumulating the observation data as the observation time that coincides with the observation time of all the plurality of observation data included in the file, it becomes easy to specify the file to be searched.

[0067]

[Brief description of the drawings]

[0068]

FIG. 1 is a principle diagram of the present invention.

[0069]

FIG. 2 is a configuration diagram of an IP telemeter system according to an embodiment of the present invention.

[0070]

FIG. 3 is a configuration diagram of an IP telemeter observation device in FIG. 2;

[0071]

FIG. 4 is an operation explanatory diagram of a data input processing unit in FIG. 3;

[0072]

FIG. 5 is an explanatory diagram of an operation of a primary file processing unit in FIG. 3;

[0073]

FIG. 6 is an explanatory diagram of an operation of a write processing unit in FIG. 3;

[0074]

FIG. 7 is a diagram illustrating an example of a storage medium in FIG. 3;

[0075]

FIG. 8 is a configuration diagram of an HTTP server unit in FIG. 3;

[0076]

FIG. 9 is a diagram showing an initial menu screen.

[0077]

FIG. 10 is a diagram showing a latest data screen.

[0078]

FIG. 11 is a diagram showing a menu screen for checking stored data.

[0079]

FIG. 12 is a diagram showing a confirmation screen of accumulated data.

[0080]

FIG. 13 is a configuration diagram of a telemeter monitoring device in FIG. 2;

[0081]

FIG. 14 is a configuration diagram of an information processing server in FIG. 2;

[0082]

FIG. 15 is a diagram showing an observation data collection processing sequence.

[0083]

FIG. 16 is a diagram showing a processing sequence between the telemeter monitoring device, the information processing device, and the personal computer.

[0084]

FIG. 17 is a sequence chart of confirmation / display of accumulated data.

[0085]

FIG. 18 is a sequence chart of confirmation / download of accumulated data.

[0086]

FIG. 19 is a sequence chart of downloading stored data.

[0087]

FIG. 20 is a sequence chart for confirming the latest data.

[0088]

FIG. 21 is a sequence chart of an observation data file transfer.

[0089]

FIG. 22 is a configuration diagram of a conventional telemeter system.

[0090]

[Explanation of symbols]

 20 # i (i = 1 to n) Telemeter observation device 21 # i (i = 1 to n) Observation sensor 22 # i (i = 1 to n) First storage medium 23 # i (i = 1 to n) Write Processing unit 24 # i (i = 1 to n) First server 26 # i (i = 1 to n) Second server 28 Communication network 30 Telemeter monitoring device 32 Second storage medium 34 Call control unit 36 Terminal device 38 Third Storage medium 40 Download unit

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2F073 AA01 AA40 AB01 BB07 BC01 CC03 CC12 CD00 DD03 DE01 DE13 EF09 FG01 FG02 GG01 GG06 GG08 GG10 5K048 AA07 BA37 CA03 DA02 EB10 FB08 GA02 GA12

Claims (3)

[Claims] 1. A telemeter system in which a telemeter monitoring device, a plurality of telemeter observation devices, and a terminal device are connected to each other by a communication network, wherein each of the telemeter observation devices accumulates observation data observed by an observation sensor.
A storage medium, a write processing unit that assigns a file name related to the observation time of the observation data and writes the observation data to the first storage medium, and receives a first request from the telemeter monitoring device from the communication network. A first server unit that transmits the latest observation data to the telemeter monitoring device through the communication network based on the first request; and a second request including designation of a search target period from the terminal device. And a second server unit that reads a file having a file name corresponding to the search target period from the first storage medium and transmits the file to the terminal device through the communication network. A second storage medium for storing the latest observation data, and each telemeter observation through the communication network. And a call control unit that receives the latest observation data transmitted from each of the telemeter observation devices from the communication network, and writes the latest observation data to the second storage medium. Making a second request to each of the telemeter observation devices through the communication network, receiving a file transmitted from each of the telemeter observation devices, and storing the file in the third storage medium. A telemeter system, comprising: a download unit that stores data in a storage medium. 2. The telemeter observation device receives a third request including a search target period and designation of display from the terminal device from the communication network, and stores a file having a file name corresponding to the search target period. The third method is to read out from the first storage medium, edit the observation data in the file into a time series of observation time, create time-series data screen information, and transmit it to the terminal device through the communication network.
The terminal device further comprises a server, the terminal device performs the third request to each of the telemeter observation devices through the display and the communication network, and receives the time-series data screen information transmitted from each of the telemeter observation devices. 2. The telemeter system according to claim 1, further comprising a storage data confirmation unit for displaying the data on the display. 3. Each of the telemeter observation devices has an initial menu which can specify any of latest data confirmation designation, accumulated data confirmation / display designation, and accumulated data download designation based on a fourth request from the terminal device. A first screen transmission unit that transmits a screen to the terminal device through the communication network; and a stored data confirmation menu screen that allows a search target time to be specified when the stored data confirmation / display is designated by the terminal device. A second screen transmitting unit that transmits to the terminal device via a network, the terminal device includes a display, a first screen display unit that displays the initial menu screen on the display, A first designated transmission unit for transmitting designation to each of said telemeter observation devices through said communication network; A second screen display unit that displays a stored data confirmation menu screen on the display; and a second designation transmission unit that transmits designation from the accumulated data confirmation menu screen to each of the telemeter observation devices through the communication network. The telemeter system according to claim 1, wherein: