JPH09330491A - Atmospheric gas analyzing system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To collect-manage data for the analyzing and measuring of each atmospheric gas analyzer in an atmospheric gas analyzing system with the plural atmospheric gas analyzers of an independently distribution type. SOLUTION: Various gas component density data in the atmosphere measured by a gas analytic part 1 is outputted to a central processor 2. Outputted is stored in the central processor 2 and additionally tabulated to jude whether it is normal. In addition these pieces of data are outputted from the central processor 2 to a communication control part 3. The part 3 transmits gas component density data received from the central processor 2 to a control point 5 connected onto a communication network through an external communication network 4 and receives remote control data from the point 5. At this time, the central processor 2 decodes remote control data from the point 5 to operate according to its content.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an atmospheric gas analysis system for analyzing a gas component in air to measure its concentration, and particularly to a gas in the atmosphere by installing a plurality of atmospheric gas analysis devices at mutually distant locations. The present invention relates to an atmospheric gas analysis system for analyzing.

[0002]

2. Description of the Related Art In a conventional atmospheric gas analysis system, the gas collected by each atmospheric gas analysis device is individually analyzed, and the resulting data is independently managed. However, in such a system, it is not possible to deal with cases such as when it is necessary to immediately view the data of multiple measurement points that are dispersed, and the analysis result is abnormal, and the content is urgent. There was a problem that it was extremely difficult to deal with the situation even when it was necessary to contact the outside. In addition, since it is necessary to input a command from the keyboard etc. provided in each atmospheric gas analyzer to capture data from the outside, there is a problem that it is extremely difficult to control from a remote place such as remote operation. It was

As shown in FIG. 6, in the conventional atmospheric gas analyzer, the pump 11 takes in the atmospheric gas from the outside and sends it to the diffusion scrubber 15. On the other hand, the flow path switching valve 13
Is connected to the tank of the absorption liquid 16 made of pure water and the pump 12, and the pump 12 transfers the absorption liquid 16 to the ion chromatograph 7
After being supplied to the diffusion scrubber 15 through the flow passage switching valve 3,
7 is connected and the absorption liquid 6 is circulated between the diffusion scrubber 15 and the ion chromatograph 17 by the pump 92. The diffusion scrubber 15 has a gas permeable film inside, and the water-soluble gas in the atmosphere taken in from the outside through this film is absorbed by the absorbing liquid 16 held inside the apparatus.
The components of the water-soluble gas in the atmosphere that have been dissolved and ionized in the absorbing liquid 16 are sent to the ion chromatograph 17 and the components and amounts thereof are analyzed. The analyzed result is output to the outside from the ion chromatograph, and its signal is sent to the computer 19 via the interface 18. The computer 19 totalizes and calculates the analysis results of this ion chromatograph, displays the results on the screen, and saves them in the electronic file 20. The computer 9 also controls pumps and valves.

In the conventional atmospheric gas analysis system, a plurality of the atmospheric gas analyzers are dispersed and installed in various places, and data collection of analysis results from the plurality of atmospheric gas analyzers is performed by a person. .

[0005]

The problems in this conventional technique will be described below.

The first problem is that in this conventional atmospheric analysis system, the gas individually sampled by each atmospheric gas analyzer as described above is analyzed, and the resulting data is managed independently. There are several atmospheric gas analyzers installed,
When collecting data at each measurement point at a distant point, the measurer must go to each point where each device is installed and collect the data. . In addition, even if the administrator cannot immediately see the data at each measurement point, the analysis result is abnormal, and it is necessary to notify the administrator of the contents urgently from the device,
The point is that quick response is extremely difficult.

The reason is that in the conventional atmospheric gas analysis system, each atmospheric gas analysis device only outputs the analysis result data by means of screen display, printing, electronic file, etc. within each individual device. It is in.

The second problem is that remote control cannot be performed.

The reason is that the atmospheric gas analyzer obtains the data input from the outside by directly inputting it to each device by key input or electronic file.

[0010]

The atmospheric gas analysis system of the present invention comprises a gas analysis section (1 in FIG. 1) for analyzing the composition and concentration of atmospheric gas, and the result data of the analysis and measurement of this gas analysis section. Central processing unit that processes and manages (2 in Fig. 1)
And a communication control unit (FIG. 1) for outputting the data processed and managed by this central processing unit to the communication network (4 in FIG. 1).
3) and a plurality of atmospheric gas analyzers (6 in FIG. 1), respectively, and a management point (5 in FIG. 1) for inputting and storing data from the communication control unit via the communication network. The management point sends remote operation data to the communication control unit via the communication network, the communication control unit sends the remote operation data to the central processing unit, and the central processing unit It is also possible to decode the remote control data and control the gas analysis unit.

In the present invention, since each atmospheric gas analyzer is provided with a communication function, it is possible to exchange data with the outside. Therefore, it is not necessary for the person in charge to go to the place where the device is located in order to collect the measurement data and control the operation of the device.

Further, this communication function makes it possible to easily send information to a management point distant from the device in an emergency in the event of an emergency such as an abnormality in measurement data or an abnormality in the device.

[0013]

Next, a first embodiment of the present invention will be described in detail with reference to the drawings.

Referring to FIG. 1, the first embodiment of the present invention comprises a plurality of atmospheric gas analyzers 6, and each atmospheric gas analyzer 6 performs a gas analyzer 1 for analyzing the components of atmospheric gas.
And a central processing unit 2 that processes and manages the result data of the gas analysis, and an external management point 5 via the communication network 4 to which the data processed and managed by the central processing unit 2 is connected. And a communication control unit 3 capable of transmitting / receiving to / from.

The gas analyzer 1 is constructed in the same manner as the atmospheric gas analyzer shown in FIG. 6, and measures the components and contents of various gases contained in the atmospheric gas taken in from the outside,
The measurement data is output to the central processing unit 2. The central processing unit 2 is provided with a control unit for controlling the operation of the gas analysis unit 1 (start / stop of measurement, etc.) and a storage unit for the data of the analysis result output from the gas analysis unit 1, and these concentration data are abnormal. An allowable range for determining whether or not it is stored in advance.
The communication control unit 3 outputs the data output from the central processing unit 2 to the communication network 4. Communication network 4
Physically connects the communication control units 3 of the plurality of gas analysis units 1 and the management point 5 on the communication network 4. The management point 5 includes a storage unit that receives data from a plurality of atmospheric gas analysis / measurement devices on the communication network 4 and stores the data.

The gas analyzer 1 outputs the concentrations of various gas components each time a predetermined time elapses from the start of measurement. FIG. 3 shows an example of this output. The horizontal axis shows the elapsed time from the start of measurement, and A, B, C ... Show the types of gas. Gas A,
B, C ... Each concentration is gas A, B, C from the start of measurement
... It is output after the passage of time specific to each.

FIG. 2 shows an example of data output from the gas analyzer 1 to the central processing unit 2. Concentration data is output at regular intervals of peak detection time (time from the start of concentration measurement of atmospheric gas components).

In FIG. 2, the beginning of the peak showing the first gas component appears from around the peak detection time = 50, and the end of this first peak appears at the peak detection time = 72. The data received in such a format is the central processing unit 2
At first, the data is stored in the central processing unit 2, and the components appearing at the peak detection time = 50 to 72 are the gas components of the type A from the previously known relationship between the peak elapsed time and the type of gas. Is determined. Then, the data during the peak detection time = 50 to 72 is calculated, and the concentration of the component gas A (corresponding to the peak area of the concentration of each gas shown in FIG. 3) is calculated. In this way, the data of each peak appearing at each peak detection time is calculated, the gas component of the peak is discriminated, the concentration is calculated, and the concentration data for each gas component is stored in the central processing unit 2.
The gas component concentration data obtained by the processing here is sent to the communication control unit 3 and is sent to the management point 5 connected to the communication network 4 via the communication network 4.

The concentration data thus aggregated is stored in the central processing unit 2 in the form of component-specific concentration data as shown in FIG. 4, and is output to the communication control unit 3. Whether or not the calculated concentration data of each type of gas is abnormal is determined in the central processing unit 2 using the concentration allowable range value stored in advance, and as shown in FIG. 4, OK (no abnormality) for each gas component, N
Record G (abnormal). The communication control unit 3 converts the component gas concentration data received from the central processing unit 2 into a format for output to the external communication network 4, and sends it to the management point 5 on the communication network 4. Management point 5
Through the communication network 4
It receives concentration data from a plurality of atmospheric gas analysis / measurement devices above and stores these data in a storage unit.

In the first embodiment of the present invention, the measured atmospheric gas component concentration data can be sent out via the communication function. Therefore, it is possible to collect measurement data in a remote place and quickly obtain the data, and to monitor the atmospheric gas in real time.

Next, a second embodiment of the present invention will be described in detail with reference to the drawings.

The configuration of the second embodiment of the present invention is also represented by the block diagram of FIG. 1 similarly to the first embodiment. The gas analyzer 1 is the same as that of the first embodiment.
The central processing unit 2 is provided with a reception data analysis unit for decoding remote operation data received from the management point 5 in addition to that of the first embodiment, and has a function of performing an operation according to the decoded contents. The communication control unit 3 outputs the data output from the management point 5 to the central processing unit 2 via the communication network 4 in addition to the data of the first embodiment. The communication network 4 is the same as that of the first embodiment. The management point 5 is provided with means for transmitting remote control data to any atmospheric gas analysis / measurement device on the communication network 4 in addition to that of the first embodiment.

The second embodiment of the present invention performs the following operations in addition to the first embodiment. Management point 5
Through the communication network 4
Send remote control data to any of the above atmospheric gas analysis and measurement devices. The communication control unit 3 sends the remote operation command data from the management point 5 output from the communication network 4 to the central processing unit 2, and the central processing unit 2
The received data analysis unit analyzes the content of the remote operation command data, and operates according to the content.

In the second embodiment of the present invention, not only the measured atmospheric gas component concentration data can be sent out via a communication function but also remote from a management point connected on a communication network. It is also possible to perform an operation. Therefore, it is possible to easily control the measurement operation of the measurement device installed at a remote place (measurement start / stop, etc.).

The remote operation command data sent from the management point 5 to the central processing unit 2 is sent according to a predetermined format as shown in an example in FIG. In FIG. 5, when the character string “START” is sent from the management point 5 to the central processing unit 2, the atmospheric gas analysis / measurement device starts measurement. Here, the part delimited by “;” is a comment sentence for the contents of the command on the left side, and is for the data administrator to confirm the contents of the command. If the character string "STOP" is sent during the measurement operation of the device,
The atmospheric gas analysis / measurement device stops the measurement operation. Furthermore, when the character string "SENDSTATUS" is sent, the measurement state information of the device is sent to the management point 5.

[0026]

The first effect is that the measurement data can be collected at a remote place and the data can be obtained quickly, and the atmospheric gas can be monitored in real time. As a result, there is an effect that it becomes easy to measure the atmospheric gas concentration in a remote place or an uninhabited island. The reason is that the measured atmospheric gas component concentration data can be sent out via the communication function.

A second effect is that the control of the measurement operation of the measuring device set at a remote place (measurement start / stop, etc.) can be easily performed. The reason is that the communication function of the device can be used to perform remote operation from a management point connected on the communication network.

[Brief description of drawings]

FIG. 1 is a block diagram of an embodiment of the present invention.

2 is a central processing unit 2 from the gas analysis unit 1 in FIG.
It is a figure which shows an example of the measurement data string transmitted to.

FIG. 3 is a diagram showing an example of measurement results measured by a gas analyzer 1 in FIG.

4 is a diagram showing an example of gas component-specific concentration data sent from a central processing unit 2 in FIG. 1 to a management point 5. FIG.

5 is a diagram showing an example of a remote control command sent from the management point 5 in FIG. 1 to the central processing unit 2. FIG.

FIG. 6 is a block diagram of a conventional atmospheric gas analyzer.

[Explanation of symbols]

 1 gas analysis unit 2 central processing unit 3 communication control unit 4 communication network 5 management point 6 atmospheric gas analysis device

Claims (2)

[Claims] 1. A gas analysis unit for performing component analysis and concentration measurement of atmospheric gas, a central processing unit for processing and managing result data of analysis and measurement by this gas analysis unit, and processing and management by this central processing unit. A plurality of atmospheric gas analyzers each having a communication control unit for outputting the data to a communication network, and a management point for inputting and storing the data from the communication control unit via the communication network. Characteristic atmospheric analysis system. 2. The management point sends remote operation data to a communication controller via a communication network, the communication controller sends the remote operation data to a central processing unit, and the central processing unit sends the remote operation data. 3. The atmospheric gas analysis system according to claim 1, wherein the gas analysis unit controls the gas analysis unit.