JP2003178390A - Measurement data determination system and measuring instrument calibration system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem in a conventional system wherein the quality determination of data measured by use of a measuring instrument in a plant or the like and the issue of the calibration certificate of the used measuring instrument must be performed by a measuring instrument maker or an agent which actually performed the measurement each time it is required, and this requires a long period and a high cost. <P>SOLUTION: A public communication network such as Internet is used, so that the quality determination of measurement data can be performed by use of stored reference data through a public communication network such as Internet, and the issue of the calibration certificate of the measuring instrument can be performed by the measuring instrument maker or a service agent to which the measuring instrument maker provides the data related to the issue of calibration certificate. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a quality determination system for data collected as a result of measurement at various plant sites and a calibration system for measuring instruments used.

[0002]

2. Description of the Related Art In a variety of plants such as a power plant, which is a customer, various data including various operation status data are measured by a plant manufacturer and a maintenance company after operation. In the measurement, an optimum measuring device is used according to the data of the measuring object. The quality of the target operating state and the like will be determined based on the data collected by the measuring device, and the quality will be determined by comparing the collected data with the reference data.

Whether the measured data is good or bad is judged by the plant supplier who has performed the measurement or the operator who performs maintenance itself by comparing it with the reference data each time it is necessary. However, reference data must be prepared for each of a wide variety of measuring instruments and measurement types, and the quality judgment, which must be performed by selecting a large number of these reference data, requires a long time due to complicated work.

The quality judgment result is submitted to the customer. At that time, depending on the customer or the type of the target plant, it may be required to attach the calibration certificate of the measuring instrument used. For example, as shown in FIG. 2, when measuring the current in a certain plant target, the result of measuring the current using a DC voltage ammeter of meter type ααα is used as the meter value test data 11 to prepare a document and the customer Submit to. In many cases, the meter value test data 11 specifies the measurement point, the input current value, the meter indication value, and the allowable range, and then describes the result of comparison and judgment with the reference value. In the case of FIG. 2, all meter readings at each measurement point were good.

In this example, it is necessary to submit the calibration certificate data of the measuring instrument to the customer. First, the test report 12 shown in FIG. 3 is submitted. This test report 12 is an example in which the calibration standard βββ owned by the trader who carried out the measuring instrument is used. That is, the calibration target is the DC voltage / current meter ααα used for the measurement, and the DC voltage / current generator βββ is used as the calibration reference device to perform the calibration. Obtained.

Further, when the customer requests a higher-level calibration certification, the calibration is outsourced to YYY Co., Ltd., which manufactures the DC voltage / current generator βββ, which is the calibration reference device owned by the measuring company itself. It is requested to issue the calibration certificate 14 as shown in FIG. YYY Co., Ltd. calibrates the DC voltage / current generator βββ to be calibrated by using a digital multimeter or a standard resistor as a calibration standard, and proves that it complies with various standards. The issued calibration certificate will be issued to the requesting party, △△△ Co., Ltd., which will submit this calibration certificate to the plant customer.

[0007] Normally, it is required by the standard to certify the calibration of the measuring instrument periodically every year, and the credibility cannot be recognized for the measurement data of the measuring instrument which has not obtained the calibration certification. Some customers require that a calibration certificate be submitted each time a measurement is performed with a measuring instrument that has completed regular calibration.

[0008]

In submitting the data collected by measuring as described above to the customer, a long-term and troublesome work is required to judge the quality of the measured data. In addition, it is often necessary to issue a higher-level calibration certificate according to the customer's intention or the nature of the target plant. However, issuing a calibration certificate requires a large amount of time and a large amount of money, such as having to request another company.

An object of the present invention is to provide a measurement data calibration system and a measurement device calibration system which can obtain a calibration certificate of a measurement device quickly and at low cost with a simple structure.

[0010]

The measurement data judgment according to the present invention comprises a measurement data quality judgment means which is connected to a public communication network and holds reference data for judging the measurement data quality, and the public communication network. Measuring means connected, and the measurement data measured and collected by this measuring means are transmitted to the measurement data quality determining means via the public communication network,
The gist is to judge the quality of the measurement data using the reference data.

A measuring instrument calibration system according to the present invention provides a measuring means connected to a public communication network and a calibration process and a calibration certificate of a measuring instrument connected to the public communication network and used by the measuring means. The measuring instrument calibrating means to be issued and the request for issuing the calibration certificate from the measuring means are transmitted to the measuring instrument calibrating means via the public communication network, and the measuring instrument calibrating means sends the corresponding calibration certificate to the measuring means. The point is to send to.

The measuring instrument calibration system according to the present invention is characterized in that the measuring instrument calibrating means is a measuring instrument maker.

The measuring instrument calibration system according to the present invention comprises a service means for providing calibration certificate issuance data held by the measuring instrument maker to the public communication network and storing the data, and a measuring means. The gist is that the service means provides the calibration certificate to the measuring means in response to the calibration certificate issuance request.

The measuring instrument calibration system according to the present invention is summarized in that the public communication network is the Internet.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to FIG.
It will be described with reference to FIGS. The public communication network such as the Internet 1 is connected to a customer 2 who is a construction operator of a plant and the like, and a construction company 3 who constructs the customer's plant and the like. The contractor 3 measures each data at the plant site of the customer 2 using various measuring instruments and submits the data to the customer 2.

On the other hand, the Internet 1 has an instrument maker 4
Is connected, and the contractor 3 measures various data at the plant of the customer 2 using the measuring instrument manufactured by the instrument manufacturer 4. Further, the calibration device for the measuring instrument used by the contractor 3 is owned by the instrument maker 4.

Now, the instrument maker 4 has opened its own website on the Internet 1 and provides the calibration data of the measuring instrument to the member who registered through this website. This measuring instrument calibration data providing service can promptly and inexpensively provide the measuring instrument calibration data via the Internet 1 when the purchaser who purchases the measuring instrument manufactured and sold by the company registers it if desired. Service.

The instrument maker 4 has a database server 5 connected to the Internet 1. The database server 5 stores reference data for each measuring device necessary for determining the quality of the measured data and various materials and data necessary for issuing a measuring device calibration certificate. Contractor 3 now
After obtaining the measurement data collected from the site of the customer 2 from the site, the contractor 3 inputs this measurement data to the homepage of the instrument maker 4 via the Internet 1. The input measurement data is compared with the reference data stored in the database 5, the quality of the measurement data is judged, and the meter value test data as shown in FIG. 2 is returned to the contractor 3 through the net, and the contractor 3 Submit the obtained test data to customer 2. At this time, the quality data from the instrument maker 4 can be directly transmitted and submitted to the customer 2 without going through the contractor 3.

As for the measuring instrument used by the contractor 3, it is necessary to obtain the calibration certificate by entrusting the instrument maker 4 to calibrate the actual equipment once a year or periodically as described above. There is. However, if a calibration certificate is needed even after the completion of other actual calibration, request the instrument maker 4 each time to prepare a calibration certificate for a long time and send it. However, in the present invention, the improved system can greatly simplify the system.

That is, after the regular calibration procedure by the actual machine is completed, it is not necessary to bring the actual machine to issue the calibration certificate. Therefore, the issuing procedure should be simplified by using the Internet 1. Became possible. The database server 5 of the instrument maker 4 stores the data to be disclosed in the calibration certificate corresponding to each measuring instrument, and when the customer 2 or the contractor 3 requests the issuance of the calibration certificate, the database server 5 The corresponding calibration certificate as shown in FIG. 4 can be output from and transmitted via the Internet 1.

By using the Internet 1,
It is possible to provide an issuance service that requires no calibration certificate not only in Japan but also in foreign companies without any difficulty due to distance. In the embodiment of FIG. 1, an example in which the instrument maker 4 performs the calibration certificate issuing service is shown.
The present invention is not limited to this, and the embodiment shown in FIG. 2 is also effective.

That is, in the embodiment shown in FIG. 2, in the example shown in FIG. 1, the instrument maker 4 provided the service such as the provision of the calibration certificate. Is a method of establishing a service and providing services. That is, the service provider 6 has a database server 7, and this server 7 stores reference data used for judging the quality of measurement data and data relating to issuance of a calibration certificate of a measuring instrument.

It is desirable that the service provider 6 is a company capable of responding to requests from domestic and foreign customers by preparing equipment / environment capable of performing standard data and calibration processing by an actual machine in-house. However, when the service provider 6 does not perform the calibration process by the actual machine, the actual calibration process is performed by the A instrument manufacturer 4a and the B instrument manufacturer 4b, and the calibration certification is performed by the A instrument manufacturer 4a and the B instrument manufacturer 4a. In addition, the service provider 6 is entrusted with the subsequent issuance of the calibration certification material data issued by the respective instrument manufacturers 4a and 4b. The service company 6 stores the data necessary for re-issuing the entrusted calibration certificate in its own database server 7, and performs the issuing procedure on behalf of the customer 2, the contractor 3, etc., for issuing the calibration certificate. Will be done.

By doing so, the A instrument maker 4a and the B instrument maker 4b do not have to directly perform troublesome certificate issuance work in response to a calibration certificate issuance request not only from within Japan but also from a foreign country. It became possible to provide prompt issuance service in 6. Service agent 6
By adopting the centralized issuance method by the above, in addition to the early issuance being achieved as described above, it became possible to provide the service at a low fee.

[0025]

The measurement data quality judgment system according to the present invention enables online real-time judgment of the quality of the measurement data, and by adopting the measuring instrument calibration system, it is possible to issue a troublesome calibration certificate. It became possible to do it in a short period of time.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram for explaining an embodiment of the present invention.

FIG. 2 is a schematic configuration diagram for explaining another embodiment of the present invention.

FIG. 3 is a diagram showing an example of a report showing a result of quality judgment of measurement data.

FIG. 4 is a diagram showing an example of a test report showing the calibration results of the measuring device.

FIG. 5 is a diagram showing an example of a measuring instrument calibration certificate.

[Explanation of symbols]

1 ... Internet 2 ... Customer 3 ... Contractor 4 ... Instrument manufacturer 5, 7 ... Database server 6 ... Service agent

Claims (6)

[Claims] 1. A measurement data pass / fail judgment means which is connected to a public communication network and holds reference data for determining whether or not the measurement data is good, a measurement means connected to the public communication network, and measurement by this measurement means. A measurement data determination system characterized by transmitting the collected measurement data to the measurement data quality determination means via the public communication network and determining the quality of the measurement data using the reference data. 2. A measuring means connected to a public communication network, and a measuring instrument calibration means for issuing a calibration process and a calibration certificate of a measuring instrument connected to the public communication network and used by the measuring means. A request for issuing a calibration certificate from the measuring means is transmitted to the measuring instrument calibration means via the public communication network, and the measuring instrument calibration means sends a corresponding calibration certificate to the measuring means. Measuring instrument calibration system. 3. The measuring instrument calibration system according to claim 2, wherein the measuring instrument calibrating means is a measuring instrument manufacturer. 4. A service means for providing calibration certificate issuance data held by the measuring instrument maker to the public communication network and storing the data, and a request for issuing a calibration certificate from the measuring means. The measuring instrument calibration system according to claim 3, wherein the service means provides a calibration certificate to the measuring means in response to the request. 5. The measurement data determination system according to claim 1, wherein the public communication network is the Internet. 6. The measuring instrument calibration system according to claim 2, wherein the public communication network is the Internet.