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CN110929112A - Metrological verification and calibration system and method - Google Patents

Metrological verification and calibration system and method Download PDF

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Publication number
CN110929112A
CN110929112A CN201911235534.1A CN201911235534A CN110929112A CN 110929112 A CN110929112 A CN 110929112A CN 201911235534 A CN201911235534 A CN 201911235534A CN 110929112 A CN110929112 A CN 110929112A
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verification
certificate
calibration
unit
data
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CN110929112B (en
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黄杰
邓英
陈光利
袁良泰
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Jiajiang County Food Testing And Metrological Verification Institute
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Jiajiang County Food Testing And Metrological Verification Institute
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/903—Querying

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Abstract

The invention discloses a metrological verification and calibration system and a metrological verification and calibration method, which belong to the technical field of metrological verification and calibration, and the method comprises the following steps: establishing a measuring instrument database; basic information of a verification measuring instrument is led in an original record table template, a verification indication value of the verification measuring instrument is filled to obtain a verification original record table, whether data in the verification original record table are correct or not is judged, and then a verification certificate to be verified is generated; judging whether the data in the certificate to be verified is correct or not, and further generating a certificate to be approved; and judging whether the data in the certificate to be approved is correct or not, and further generating a certificate or a certificate result notice. The data of the whole verification process are mutually independent, so that the verification accuracy is ensured; the invention standardizes the flow of metrological verification, avoids the problem of repeatedly recorded data, has simple operation of the whole verification flow and improves the working efficiency.

Description

Metrological verification and calibration system and method
Technical Field
The invention relates to the technical field of metrological verification and calibration, in particular to a metrological verification and calibration system and a metrological verification and calibration method.
Background
At present, the metrological verification work of county-level legal metrological verification mechanisms generally takes manual operation as a main part, the amount of information to be filled and recorded is large, especially the large-scale measuring instruments such as a common pressure gauge, a fuel oil dispenser and an electronic price computing scale are large, and tens of thousands of pressure gauges are required to be verified by large-scale enterprises in some counties and districts one year. The software system for issuing a project of calibrating the pressure gauge in the market needs tens of thousands yuan, the software system for acquiring a certificate and a report of the pressure gauge needs more than 10 thousands yuan, the daily maintenance cost is needed in the later period, the expense is hard to bear by county-level base metering departments, and the metering instruments are almost all strong-check metering instruments and are also important metering work which is emphasized by various local market supervision departments.
Today's metering technology area has gradually come to the way with the advanced level of the world, and internationally inter-believes that calibration certificates will be the future direction of development. The calibration certificate needs to evaluate the measurement uncertainty, the evaluation difficulty of the measurement uncertainty is high, the flexibility is strong, the calculation is complex, the calculation amount is large, the adopted standard uncertainty component is difficult to unify, particularly, common county-level metering workers are difficult to master, abnormal values need to be further considered in the process of evaluating the measurement uncertainty to ensure the accuracy of the measured values, but the process is long in time consumption, the calculation process is complex and errors easily occur, and the whole metering calibration work efficiency is low.
In addition, the conventional metrological verification/calibration is realized by filling in basic information, editing measurement data, processing data, judging qualification, evaluating measurement uncertainty and issuing a certificate report, and the problems of large workload, multiple repeated entry links and high possibility of errors in manual calculation and judgment exist.
In order to solve the problems that newly-enrolled workers cannot start the professional metering technology work quickly and meet the complex work of the professional metering technology due to the reform of the basic legal metering verification mechanism, the change of personnel and the like, accurately and efficiently fill in basic information, issue certificates/reports and the like, the invention provides the special integrated metering verification calibration method which is high in accuracy, easy to operate, high in working efficiency and zero in cost, and can better serve enterprises and the masses.
Disclosure of Invention
The invention aims to overcome the defects of high cost, complex and tedious processes of metrological verification and calibration, large calculated amount and the like of a metrological verification system in the prior art, and provides a metrological verification and calibration system and a metrological verification and calibration method.
The purpose of the invention is realized by the following technical scheme: a metrological verification method specifically comprises the following steps:
s01: establishing a meter instrument database, wherein the meter instrument database comprises basic information for verifying a meter instrument;
s02: the verification unit is logged in, basic information in the measuring instrument database is imported into an original record form template, verification indication values of the verification measuring instrument are manually filled in the original record form template, whether the verification indication values of the manually filled verification measuring instrument and the basic information of the verification measuring instrument are standard or not is judged, if not, logging is not allowed, otherwise, a verification original record form is obtained, and the verification original record form is uploaded to the verification unit;
s03: logging in a verification unit, comparing an original verification record table automatically generated by a background with a verification original record table uploaded to the verification unit, judging whether data in the verification original record table and the original verification record table are the same or not, if not, uploading the verification original record table to a data verification unit, if so, generating a verification certificate to be verified according to the verification original record table, and uploading the verification certificate to be verified to a certificate verification unit;
s04: the system comprises a login certificate verification unit, a verification certificate verification unit and an approval unit, wherein the login certificate verification unit compares a verification certificate for verification automatically generated by a background with a verification certificate to be verified uploaded to the certificate verification unit, judges whether data in the verification certificate to be verified and the verification certificate for verification are the same or not, uploads the verification certificate to be verified to the data verification unit if the data in the verification certificate to be verified and the data in the verification certificate to be verified are different, and generates a verification certificate to be approved and uploads the verification certificate to be approved to the approval unit if the data in the verification;
s05: and the login approval unit compares the certification certificate for approval automatically generated by the background with the certification certificate to be approved uploaded to the approval unit, judges whether the data in the certification certificate to be approved and the data in the certification certificate for approval are the same or not, uploads the certification certificate to be approved to the data verification unit if the data in the certification certificate to be approved and the data in the certification certificate to be approved are different, and generates a certification certificate or a certification result notice if the data in the certification certificate to be approved and the data in the certification certificate to be approved are the same.
Specifically, the basic information of the verification measuring instrument comprises a submission unit, a manufacturer, a measurement range, a precision grade, a division value and a model specification.
Specifically, the automatically generated original record table for verification specifically includes: and importing the basic information of the verification measuring instrument in the measuring instrument database into an original record table template, and importing the verification indication value in the verification original record table into the original record table template to obtain a verification original record table.
Specifically, the automatically generated verification certificate for verification specifically includes: and importing the basic information of the verification measuring instrument in the measuring instrument database into an original record table template, importing the verification indication value in the verification original record table into the original record table template to obtain a verification original record table for verification, and generating a verification certificate for verification according to the verification original record table for verification.
Specifically, the automatically generated certification certificate for approval specifically includes: and importing basic information of the verification measuring instrument in the measuring instrument database into an original record table template, importing verification indication values in the verification original record table into the original record table template to obtain a verification original record table for approval, and generating a verification certificate for approval according to the verification original record table for approval.
Specifically, the step of determining whether the certification indication value and the basic information of the certification meter are standardized includes: judging whether the verification indication value meets a threshold condition or not, and if not, the verification indication value of the verification measuring instrument cannot be input; the threshold condition comprises the conditions of detecting indication value, division value of basic information of the detecting measuring instrument, accuracy grade, atmospheric pressure value, temperature value and humidity value, and whether the range is exceeded or not.
The invention also comprises a metrological verification system, which comprises a metrological appliance database unit, a verification unit, a certificate verification unit, an approval unit, a data verification unit and a data normalization unit;
the measuring instrument database unit is used for inputting basic information of the verified measuring instrument; the verification unit is used for judging whether the data in the verification original record table is correct or not and uploading the verification original record table to the verification unit; the verification unit is used for comparing whether the data in the original record table for verification and the data in the verification original record table are the same or not, further generating a verification certificate to be verified and uploaded to the certificate verification unit; the certificate verification unit is used for comparing whether the verification certificate for verification is the same as the data in the verification certificate to be verified, generating the verification certificate to be approved according to the verification certificate to be verified and uploading the verification certificate to the approval unit; the approval unit is used for comparing whether the data in the certificate for approval and the certificate to be approved are the same or not so as to generate a certificate or certificate result notice; the data checking unit is used for checking basic information and a verification indication value of the verification measuring instrument in the original recording table and the verification certificate again; the data standard unit is used for judging whether the filled verification indicating value and the basic information of the verification measuring instrument meet the threshold condition or not, and simplifying the verification step of the basic information of the verification measuring instrument.
Specifically, the verification unit further comprises a verification updating module for automatically updating the original record form template, the certificate template, the industry standard file and the verification mechanism basic information according to the information in the measuring instrument database, and identifying whether the legal measurement and verification mechanism measurement authorization certificate, the measurement standard assessment certificate, the social common standard certificate and the standard instrument quantity traceability certificate meet the threshold condition, if not, the system stops running.
The invention also comprises a metering calibration method, which specifically comprises the following steps:
s11: establishing a measuring instrument database, wherein the measuring instrument database comprises original basic information of a calibration measuring instrument;
s12: the calibration unit is used for importing basic information of the calibration measuring instrument in the measuring instrument database into a calibration original record table template, manually filling a calibration measured value of the calibration measuring instrument in the calibration original record table template, judging whether the manually filled calibration measured value of the calibration measuring instrument is standard or not, if not, not allowing entry, if so, further judging whether an abnormal value exists in the calibration measured value of the calibration measuring instrument, if so, removing the abnormal value according to requirements, evaluating the measurement uncertainty of the calibration measured value of the calibration measuring instrument, and further generating a calibration original record table and uploading the calibration original record table to the first verification unit;
s13: logging in a first verification unit, comparing a first calibration original record table for verification generated automatically with a calibration original record table uploaded to the verification unit, judging whether data in the calibration original record table and the first calibration original record table for verification are the same or not, if not, uploading the calibration original record table to a data verification unit, and if so, generating a calibration certificate to be verified according to the calibration original record table and uploading the calibration certificate to the first certificate verification unit;
s14: logging in a first certificate verification unit, comparing an automatically generated calibration certificate for verification with a calibration certificate to be verified uploaded to the certificate verification unit, judging whether data in the calibration certificate to be verified and the data in the calibration certificate to be verified are the same, if not, uploading the calibration certificate to be verified to a data verification unit, and if so, generating a calibration certificate to be approved according to the calibration certificate to be verified and uploading the calibration certificate to be approved to a first approval unit;
s15: the method comprises the steps of logging in a first approval unit, comparing an approval calibration certificate automatically generated by a background with a to-be-approved calibration certificate uploaded to the approval unit, judging whether data in the to-be-approved calibration certificate and the data in the approval calibration certificate are the same or not, if the data in the to-be-approved calibration certificate and the data in the approval calibration certificate are not the same, uploading the to-be-approved calibration certificate to a data verification unit, and if the data in the to-be-approved calibration certificate and the data in the approval calibration certificate.
Specifically, the determining whether an abnormal value exists in the calibration measurement value of the calibration gauge specifically includes: and judging whether abnormal values exist in the calibration measured values of the calibration measuring instruments or not by adopting a Grabas criterion and a Dixon criterion, if the abnormal values exist in the calibration measured values of the calibration measuring instruments by adopting the Grabas criterion and the Dixon criterion, eliminating the abnormal values, recalculating the experimental standard, and if the abnormal values are more than 1, re-auditing the measurement process.
The invention also comprises a measurement calibration system, which comprises a measurement uncertainty judgment unit, a first measuring instrument database unit, a calibration unit, a first verification unit, a first certificate verification unit, a first approval unit, a first data verification unit and a data normalization unit;
the measurement uncertainty judging unit is used for calculating and judging whether an abnormal value exists in the calibration measured values of the calibration measuring instrument or not, eliminating the abnormal value in the calibration measured values of the calibration measuring instrument, and further evaluating the measurement uncertainty of the calibration measured values of the calibration measuring instrument so as to obtain a calibration original recording table; the first metering appliance database unit is used for entering basic information of a calibration metering appliance; the first calibration unit is used for judging whether the data in the calibration original record table is correct or not and uploading the calibration original record table to the first verification unit; the first verification unit is used for comparing whether the data in the calibration original record table for verification and the data in the calibration original record table are the same or not, further generating a calibration certificate to be verified and uploading the calibration certificate to the first certificate verification unit; the first certificate verifying unit is used for comparing whether the data in the calibration certificate for verification and the data in the calibration certificate to be verified are the same or not, further generating a calibration certificate to be approved according to the calibration certificate to be verified and uploading the calibration certificate to be approved to the first certificate approving unit; the first approval unit is used for comparing whether the data in the approval calibration certificate and the data in the to-be-approved calibration certificate are the same or not so as to generate a calibration certificate or a calibration result notice; the first data checking unit is used for checking original basic information and a calibration measured value of the calibration measuring instrument in the calibration original record and the calibration certificate again; the first data standard unit is used for judging whether the filled calibration measured value and the basic information of the calibration measuring instrument meet the threshold condition or not, and simplifying the measurement calibration verification step.
Specifically, the calibration unit further comprises a first verification updating module for automatically updating the original record form template, the certificate template, the industry standard file and the basic information of the certification authority according to the information in the measuring instrument database, and identifying whether the legal measurement certification authority certificate, the measurement standard assessment certificate, the social common standard certificate and the standard ware quantity traceability certificate exceed the time limit, and if the legal measurement certification authority certificate, the system stops running.
Compared with the prior art, the invention has the beneficial effects that:
the verification method of the invention is characterized in that a calibration original record table is generated by establishing a meter database, basic information in the meter database is imported into an original record table template, the calibration original record table is compared with an automatically generated original record table for verification, whether data in the calibration original record table is correct or not is judged, a certificate to be verified is generated, the certificate to be verified is compared with the automatically generated certificate for verification, whether data in the certificate to be verified is correct or not is judged, if the data is correct, the certificate to be approved is generated, the certificate to be approved is compared with the automatically generated certificate for approval, and a certificate or a verification result notice is generated, the whole method flow is simple, the quantification, optimization and solidification of the metering verification work are realized, the flow of the metering verification is standardized, and a new person can easily go to the public, the problem of repeated data entry can be avoided, and the workload of metrological verification work is greatly reduced. The invention leads the basic information of the verification measuring instrument in the measuring instrument database into the original record table template, and leads the verification indication value in the verification original record table into the original record table template to obtain the verification original record table, thereby realizing the data independence of the verification original record table and the verification original record table, avoiding error transmission and improving the accuracy of the metrological verification work. The verification certificate is generated according to the verification original record table which is the same as the data in the verification original record table, and the reliability of the data in the verification certificate is guaranteed. The invention leads the basic information of the verification measuring apparatus in the measuring apparatus database into the original record table template, leads the verification indication value in the verification original record table into the original record table template to obtain the verification original record table for approval, generates the verification certificate for approval according to the verification original record table for approval, and has independent data in the verification certificate for approval and the verification certificate to be approved, thereby avoiding error transmission and improving the reliability of the metrological verification work. The invention judges the ranges of the verification indicating value, the calibration measured value of the calibration measuring instrument, the basic information of the calibration measuring instrument and the basic information of the calibration measuring instrument, further improves the efficiency and the accuracy of the measurement verification work, and simplifies the work of verification and calibrator. The invention can simplify the workload of measurement and calibration work and improve the work efficiency by judging whether the abnormal value exists in the calibration measured value of the calibration measuring instrument and eliminating the abnormal value. The verification system comprises a measuring instrument database unit, a verification unit, a certificate verification unit, an approval unit, a data verification unit and a data normalization unit, can realize quantification, optimization and solidification of metrological verification work, greatly reduces the workload of metrological verification work, improves the efficiency of metrological verification work, and ensures the accuracy of metrological verification work. The metering calibration system comprises a measurement uncertainty judgment unit, a first metering appliance database unit, a calibration unit, a first verification unit, a first certificate verification unit, a first approval unit, a first data verification unit and a data normalization unit, so that the quantification, optimization and solidification of the metering calibration work are realized, the workload of the metering calibration work is greatly reduced, the efficiency of the metering calibration work is improved, and the accuracy of the metering calibration work is ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the figure:
FIG. 1 is a flowchart of a method of example 1 of the present invention;
FIG. 2 is a schematic view of a pressure gauge directory entry interface according to embodiment 1 of the present invention;
FIG. 3 is a representation of original records according to embodiment 1 of the present invention;
fig. 4 is a schematic diagram of a certificate of authenticity in embodiment 1 of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that directions or positional relationships indicated by "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are directions or positional relationships described based on the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The invention overcomes the problems of high measurement verification and calibration cost, complex process, large calculated amount, difficult operation of new people and the like in the prior art, and provides a measurement verification and calibration method and a system with high accuracy, easy operation and zero cost. Metrological verification is the act of ascertaining and confirming whether a measurement instrument meets legal requirements, including checking, labeling, and/or issuing certification. The method is characterized in that a detected object is technically compared with a measurement base and a standard according to a quantity value transfer relation specified by a national metrological verification system table, and experimental operation and data processing are carried out according to verification conditions, verification items and verification methods specified in a metrological verification rule. Metrology calibration, i.e., a set of operations under specified conditions, involves a first step of determining a relationship between a magnitude provided by a measurement standard and a corresponding indication, and a second step of using this information to determine a relationship for obtaining a measurement from the indication, where both the magnitude provided by the measurement standard and the corresponding indication have a measurement uncertainty.
Example 1
As shown in fig. 1, in example 1, a metrological verification method specifically includes the following steps:
s01: establishing a measuring instrument database, wherein the measuring instrument database comprises an original record table template, a certificate template, an industry standard file, basic information of a verification organization, authorization qualification information of the verification organization and basic information of the verification measuring instrument; the original record form template and the certificate template are metrological verification templates manufactured according to normative files of metrological verification industry; the basic information of the verification mechanism comprises the name, address, telephone and the like of the verification mechanism; the authorization qualification information of the certification authority is specifically the basic information and the valid period information of a legal metrological certification authority measurement authorization certificate, a measurement standard assessment certificate, a social official standard certificate and a standard device magnitude traceability certificate; the basic information for verifying the measuring instrument comprises basic information for verifying the measuring instrument, including a checking unit, a manufacturer, a measuring range, a precision grade, a division value and the like of a specific instrument.
Furthermore, a checker logs in the measuring instrument database unit, taking the verification process of a common pressure gauge as an example, and designs a normalized and unified pressure gauge catalog template according to the requirements of the needed verification and calibration items of the common pressure gauge, wherein the pressure gauge catalog template comprises basic information of the verification pressure gauge, including a submission unit, a manufacturer, a measurement range, a precision grade and a division value. As shown in fig. 2, a checker enters a password to log in a measuring instrument database unit, basic information of a checking unit, a manufacturer, a measuring range, a precision grade, a division value and the like of a checking pressure gauge is recorded in a pressure gauge catalog recording interface, and a checking date and an effective period are automatically recorded in a system; the technical person in charge further assigns permissions, and users without permission will not be able to use the database. In order to facilitate the catalog information entry of the measuring instruments, the application form and the receiving form of the enterprise submission measuring instruments are customized according to a system template and can be directly imported into the system.
S02: a checker logs in the verification unit, basic information in the measuring instrument database is imported into the original record form template, verification indication values of the verification measuring instrument are manually filled in the original record form template, whether the verification indication values of the verification measuring instrument which are manually filled are standard or not is judged, if not, the logging is not allowed, otherwise, a verification original record form is obtained, and the verification original record form is uploaded to the verification unit;
furthermore, a checker logs in an original record table generating unit interface in the verification unit, the verification updating module automatically updates an original record table template, a certificate template, an industry standard file and verification organization basic information according to information in the measuring instrument database, and automatically identifies whether a legal measuring and verification organization measuring authorization certificate, a measuring standard assessment certificate, a social public measuring standard certificate and a standard device quantity value traceability certificate meet threshold conditions or not according to authorized qualification information of a verification organization in the measuring instrument database, and if not, the system stops working. The threshold condition is specifically whether a legal metrological verification organization metering authorization certificate, a metering standard assessment certificate, a social public metering standard certificate and a standard device quantity value tracing certificate are unqualified or exceed the period. Specifically, as shown in fig. 3, the examiner imports the basic information of the certified pressure gauge in the meter database into the raw record gauge template, and fills the certified indication value of the certified pressure gauge in the raw record gauge template. After the checker fills in the verification indication value, the checker judges whether the verification indication value of the verification pressure gauge and the basic information of the measuring instrument are standardized or not, namely whether the division value, the precision grade, the atmospheric pressure value, the temperature value, the humidity value and the like of the verification indication value of the pressure gauge and the basic information of the measuring instrument exceed the standard or notIf the range of each value is out, the data cannot be input, and an alarm is automatically given out to prompt, if the range is forced to be input, unqualified verification original records are generated and uploaded to a data verification unit, so that the efficiency and the accuracy of the metrological verification work are further improved, and the work of a checker is simplified; for example, when the division value of the basic information of the recorded verification pressure gauge is (3 × 10)n，4×10n，6×10n，7×10n，8×10n，9×10n) The calibration original record table cannot be recorded in the nonstandard division values such as MPa, the calibration temperature and the relative humidity exceeding the regulation, the specified range and the like, and the calibration original record table can only enter a unqualified unit if the calibration temperature and the relative humidity exceeding the regulation and the specified range exceeding the regulation. If the verification indication value error does not exceed the maximum allowable error, generating a verification original record table, and uploading the verification original record table to a verification unit; and if the measurement error in the verification original record table is detected to be too large and is larger than 75% of the maximum allowable error, a yellow early warning checker needs to be cautious, and if the measurement error is larger than 90% of the maximum allowable error, a red early warning checker needs to be rechecked or invites the verifier to recheck.
Furthermore, the checker logs in the data verification unit, rechecks the basic information and verification indication value of the verification pressure gauge in the verification original record table, modifies the basic information of the unqualified verification pressure gauge and uploads the modified basic information to the verification unit, and if the checker cannot judge the specific unqualified verification pressure gauge basic information and verification indication value, the modified basic information and verification indication value are handed to a technical responsible person for further processing.
S03: comparing whether the data in the original record table for verification and the data in the verification original record table are the same or not, if not, uploading the verification original record table to a data verification unit, and if so, generating a verification certificate to be verified and uploading the verification certificate to a certificate verification unit;
furthermore, the verifier logs in the certificate verification unit to verify the original record table, namely, the original record table for verification automatically generated in the background is compared with the original record table for verification uploaded to the verification unit, whether the data in the original record table for verification and the original record table for verification are the same or not is judged, if the data are not the same, the basic information data of different parts are automatically marked, a red alarm appears at the upper right corner outside the printing area of the original record table for verification, the verifier can conveniently check the data, the original record table for verification is uploaded to the data verification unit, if the data are the same, the certificate to be verified is generated according to the original record table for verification, and the certificate to be verified is uploaded to the certificate verification unit.
Furthermore, the automatically generated original record table for verification is specifically to introduce the basic information of the verification meter in the meter database into the original record table template, and introduce the verification indication value in the verification original record table into the original record table template, so as to obtain the original record table for verification, thereby realizing the data independence of the verification original record table and the original record table for verification, avoiding error transmission, providing technical support, quality guarantee and evidence for subsequent verification and approval, and improving the accuracy of the verification work.
Furthermore, the checker logs in the data verification unit, rechecks the basic information and verification indication value of the verification pressure gauge in the verification original record table, further modifies the basic information of the unqualified verification pressure gauge, uploads the basic information to the verification unit, and if the checker cannot judge the basic information of the unqualified verification pressure gauge, the basic information is handed to a technical responsible person for further processing, so that the reliability of the metrological verification work is improved.
S04: comparing whether the data of the verification certificate for verification and the data of the verification certificate to be verified are the same or not, if not, uploading the verification certificate to be verified to a data verification unit, and if so, generating the verification certificate to be approved according to the verification certificate to be verified and uploading the verification certificate to an approval unit;
furthermore, the verifier logs in the certificate verification unit to verify the certificate to be verified in the authority, namely, the verification certificate for verification automatically generated in the background is compared with the verification certificate to be verified uploaded to the certificate verification unit, whether the data in the verification certificate to be verified and the data in the verification certificate to be verified are the same or not is judged, if the data are not the same, different basic information in the verification certificate to be verified is marked, a red alarm appears at the upper right corner outside the printing area of the verification certificate to be verified, the verification is convenient for the verifier to check, found problems are automatically marked and then uploaded to the data verification unit, and if the data are the same, the certificate to be approved is generated and uploaded to the approval unit.
Furthermore, the automatically generated verification certificate for verification is generated according to the verification original record table which is the same as the data in the verification original record table, so that the reliability of the data in the verification certificate for verification is ensured.
Furthermore, the checker logs in the data checking unit, rechecks the basic information and the verification indication value of the verification pressure gauge in the verification original record table, further modifies the basic information of the unqualified verification pressure gauge, uploads the modified basic information to the certificate checking unit, and if the checker cannot judge that the basic information of the unqualified verification pressure gauge is provided for further processing by a technical responsible person.
S05: and comparing whether the data of the certification certificate for approval and the data of the certification certificate to be approved are the same or not, if not, uploading the certification certificate to be approved to the data verification unit, and if so, generating a certification certificate or a certification result notice.
Further, the approver logs in the certificate verification unit to verify the certificate to be approved in the authority, namely, the certificate for approval automatically generated in the background is compared with the certificate to be approved uploaded to the approval unit, whether the data in the certificate to be approved and the certificate to be approved are the same or not is judged, if the data in the certificate to be approved and the certificate to be approved are different, basic information data which are different from the certificate for approval in the certificate to be approved and the certificate to be approved are marked, a red alarm appears at the upper right corner outside the printing area of the certificate to be approved, the approver can conveniently check the problems, the found problems are automatically marked and then uploaded to the data verification unit, if the data are the same, a certificate or verification result notice is generated, as shown in fig. 4, and the certificate or the verification result notice is uploaded to the unit to be printed, printed and sealed by a receiving and sending. The verification certificate shows that the metrological verification result of the pressure gauge is qualified, and the verification result notice shows that the metrological verification result of the pressure gauge is unqualified.
Furthermore, the automatically generated certification certificate for approval is to import the basic information of the certified meter in the meter database into the original record table template, import the certification indication value in the certified original record table into the original record table template to obtain the certification original record table for approval, and generate a certification certificate for approval according to the certification original record table for approval, wherein the data in the certification certificate for approval and the certification certificate to be approved are independent from each other, thereby avoiding error transmission and improving the reliability of the metrological verification work.
Furthermore, the checker logs in the data checking unit, rechecks the basic information and the checking indication value of the checking pressure gauge in the checking original record table, further checks and modifies the basic information of the unqualified checking pressure gauge, uploads the basic information to the checking unit, and if the checker cannot judge the specific unqualified checking pressure gauge basic information, the basic information is handed to a technical responsible person for further processing.
Further, in the present application, in order to make the original record and certificate more compliant with the system requirements of legal metrological verification, the verifier and approver except the certifier can see that the original record and certificate are all locked and not modified.
The verification method of the invention is characterized in that a calibration original record table is generated by establishing a meter database, basic information in the meter database is imported into an original record table template, the calibration original record table is compared with an automatically generated original record table for verification, whether data in the calibration original record table is correct or not is judged, a certificate to be verified is generated, the certificate to be verified is compared with the automatically generated certificate for verification, whether data in the certificate to be verified is correct or not is judged, if the data is correct, the certificate to be approved is generated, the certificate to be approved is compared with the automatically generated certificate for approval, and a certificate or a verification result notice is generated, the whole method flow is simple, the quantification, optimization and solidification of the metering verification work are realized, the flow of the metering verification is standardized, and a new person can easily go to the public, the problem of repeatedly recorded data can be solved, and the workload of metrological verification work is greatly reduced. The application range of the verification method is not limited to a pressure gauge, and the verification method also comprises measuring instruments such as an electronic balance, a fuel oiling machine, an electronic truck scale, an electronic price computing scale/electronic platform scale and the like, and the measuring instruments are subjected to practice inspection, so that the verification work is simplified on the basis of meeting the verification standard of the verification industry, and the verification method is easy for new people to master, and greatly improves the efficiency of the verification work.
Example 2
The embodiment has the same inventive concept as embodiment 1, and provides a metrological verification system, which specifically comprises a meter database unit, a verification unit, a certificate verification unit, an approval unit, a data verification unit and a data normalization unit.
Further, the measuring instrument database unit is used for establishing a measuring instrument database, the measuring instrument database comprises an original record table template and a plurality of measuring instrument catalog templates, and the measuring instrument catalog templates comprise basic information for verifying measuring instruments; the basic information of the verification measuring instrument comprises but is not limited to a submission unit, a manufacturer, a measurement range, a precision grade and a division value; the original record table template is input in advance according to the regulation specification of the metrological verification industry, and only the original record table of a certain measuring instrument needs to be used for calling. According to the invention, through establishing the measuring instrument database, the generation efficiency of the original record list and the verification certificate is improved, and the workload is reduced.
Furthermore, the verification unit is used for judging whether the data in the verification original record table is correct or not and uploading the verification original record table to the original record verification unit; specifically, the verifier logs in the verification unit, compares whether the data in the original record table for verification and the data in the original record table for verification are the same or not, prompts an error and uploads the error to the data verification unit if the data in the original record table for verification are different, and generates a verification certificate to be verified and uploaded to the certificate verification unit if the data in the original record table for verification are the same. More specifically, the verification unit further comprises a verification updating module for automatically updating the original record form template, the certificate template, the industry standard file and the basic information of the verification mechanism according to the information in the measuring instrument database, and identifying whether the measurement authorization certificate, the measurement standard assessment certificate, the social common standard certificate and the standard ware quantity traceability certificate of the legal measurement verification mechanism exceed the periods, if so, the system stops running. Furthermore, the verification unit is used for comparing whether the data in the original record table for verification and the data in the verification original record table are the same or not, so that a verification certificate to be verified is generated, and the reliability of the system is improved.
Further, the certificate verification unit is used for comparing whether the verification certificate for verification is the same as the data in the verification certificate to be verified, and further generating a verification certificate to be approved and uploading the verification certificate to the approval unit; specifically, the verifier logs in the certificate verification unit, compares whether the automatically generated verification certificate for verification is the same as the data in the verification certificate to be verified, prompts an error and uploads the error to the data verification unit if the data in the verification certificate for verification is not the same as the data in the verification certificate to be verified, and further generates a verification certificate to be approved and uploads the verification certificate to the approval unit if the data in the verification certificate for verification is the same as the data in the verification certificate to be verified.
Further, the approval unit is used for comparing the data in the certificate for approval and the certificate to be approved, and further generating a certificate for verification or a certificate notice; specifically, the approver logs in the approval unit, compares whether the data of the certificate to be approved and the data of the certificate for approval are the same, prompts an error and uploads the error to the data verification unit if the data of the certificate to be approved and the data of the certificate for approval are different, and generates a certificate or a certificate notice if the data of the certificate to be approved and the data of the certificate for approval are the same.
Further, the data checking unit is used for re-checking the basic information and the verification indication value of the verification measuring instrument in the original record table and the verification certificate, further checking and modifying the unqualified basic information, and if the checker cannot judge the specific unqualified basic information and the verification indication value, handing the unqualified basic information and the verification indication value to a technical responsible person for further processing.
Further, the data standard unit is used for judging whether the filled verification indicating value of the verification measuring instrument and the basic information of the verification measuring instrument meet the threshold condition or not, and simplifying the verification step of the verification indicating value. Specifically, after a checker fills in a verification indication value, the data normalization unit verifies whether basic information input by the checker to verify the pressure gauge is normalized, namely, whether the division value, the precision grade, the atmospheric pressure value, the temperature value, the humidity value and the like of the pressure gauge exceed the range of each value is judged, if the division value, the precision grade, the atmospheric pressure value, the temperature value, the humidity value and the like of the pressure gauge exceed the range of each value, the data cannot be input, automatic alarm prompt is performed, unqualified basic information data are generated and uploaded to the data verification unit, if the division value is qualified, but the measurement error is overlarge, corresponding alarm prompt is given, and the workload of manual.
The verification system comprises a measuring instrument database unit, a verification unit, a certificate verification unit, an approval unit, a data verification unit and a data standardization unit, can realize quantification, optimization and solidification of metrological verification work, greatly reduces the workload of metrological verification work, improves the efficiency of metrological verification work, and ensures the accuracy of metrological verification work.
Example 3
The present embodiment has the same inventive concept as embodiment 1, and provides a metering calibration method, which specifically includes the following steps:
s11: establishing a measuring instrument database, wherein the measuring instrument database comprises an original record table template and basic information of a calibration measuring instrument; the original record form template is a metering calibration template manufactured according to a normative file in the metering calibration industry.
S12: a calibrator logs in a calibration unit, basic information in a metering instrument database is imported into an original record table template, a calibration measured value of a calibration metering instrument is manually filled in the original record table template, whether the calibration measured value of the manually filled calibration metering instrument and the basic information of the calibration metering instrument are standard or not is judged, if not, entry is not allowed, if so, whether an abnormal value exists in the calibration measured value of the calibration metering instrument is further judged, if the abnormal value exists, the abnormal value is removed as required, the measurement uncertainty of the calibration measured value of the calibration metering instrument is evaluated, and then a calibration original record table is obtained, and the calibration original record table is uploaded to a first verification unit;
s13: comparing whether the data in the calibration original record table for verification and the data in the calibration original record table are the same or not, if not, uploading the calibration original record table to a data verification unit, and if so, generating a calibration certificate to be verified and uploading the calibration certificate to a first certificate verification unit;
s14: comparing whether the data of the calibration certificate for verification and the data of the calibration certificate to be verified are the same or not, if not, uploading the calibration certificate to be verified to a data verification unit, and if so, generating a calibration certificate to be approved according to the calibration certificate to be verified and uploading the calibration certificate to a first approval unit;
s15: and comparing whether the data of the calibration certificate for approval and the data of the calibration certificate to be approved are the same or not, if not, uploading the calibration certificate to be approved to the data verification unit, and if so, generating a calibration certificate or a calibration result notice.
The metrological calibration method of the present invention has the same inventive concept as the metrological verification method in embodiment 1, and the metrological calibration process is identical to the metrological verification process, which is not described herein again.
It should be further noted that the step S12 of determining whether an abnormal value exists in the calibration measurement values of the calibration gauge specifically includes:
and judging whether abnormal values exist in the measured values by adopting a Grabbs criterion and a Dixon criterion, if the measured values are judged to be abnormal values by adopting the Grabbs criterion and the Dixon criterion, the abnormal values are abnormal values, the abnormal values in the calibrated measured values are removed, the experimental standard deviation is recalculated, and if more than 1 abnormal value exists, the measurement process needs to be re-audited.
Further, the standard uncertainty component u caused by the measurement repeatability of the measured pressure gauge1For example, a measurement point of 0.6MPa is selected as a repeatability measurement point of uncertainty of the pressure gauge to be measured, and the measurement is continuously performed for 6 times under the repeatability condition, so as to obtain the calibration measurement value of the calibration gauge in table 1.1.
TABLE 1.1 calibration measurements of pressure gauges at different measurement points
Figure BDA0002304786110000181
Arranging 6 calibration measurement values with the measurement points of 0.6MPa from small to large to obtain the sequence: (0.600, 0.600, 0.600, 0.600, 0.604, 0.604) MPa, where the maximum is xnMinimum is x1And eliminating abnormal values by adopting a Dixon criterion, wherein when the numerical value is 3-7, the following formula is adopted:
Figure BDA0002304786110000182
in the critical value table of the dickson criterion, p 95% ═ 0.95, i.e. a ═ 1-0.95 ═ 0.05, n ═ 6, then: d (0.05, 6) ═ 0.628, again because when γij＞γ′ij，γij> D (a, n), then xnIs an outlier; is gamma'ij＞γij，γ′ij> D (a, n), then x1Is an abnormal value, is calculated
Figure BDA0002304786110000191
It can be seen that there are abnormal values in this set of measured values (0.600, 0.600, 0.600, 0.600, 0.604, 0.604) MPa. Wherein p is the inclusion probability: a set of measured merit probabilities is included in a defined inclusion interval; a is the detection level.
Further, the verification of the presence or absence of an abnormal value in the sequence using the Grabbs criterion is also described by the set of measured values (0.600, 0.604, 0.600, 0.600, 0.600, 0.604) MPa of the pressure gauge, first calculating the arithmetic mean and the experimental standard deviation of the sequence, the arithmetic mean
Figure BDA0002304786110000192
Standard deviation s of experiment4＝0.00207，
Figure BDA0002304786110000193
There is no outlier. For example, another set of measured values (0.304, 0.300, 0.300, 0.300, 0.299, 0.301) MPa of the pressure gauge has an abnormal value determined by the grabs criterion and has no abnormal value determined by the dixon criterion.
The standard deviation of the experiment is calculated by adopting a Bezier formula method, wherein the Bezier formula is as follows:
Figure BDA0002304786110000194
further, for measured values (0.600, 0.604, 0.600) with only one or two digits different0.600, 0.604), dixon criterion (x)1，x2，xn-1，xn) The 4 values have 2-3 identical values, so that the determined abnormal value is possibly inaccurate, the importance and the necessity of verification by using the Grabbs criterion are displayed at the moment, and the judgment by using the Grabbs criterion is not the abnormal value, so that the abnormal value exists when the abnormal value is judged by using both the Grabbs criterion and the Dixon criterion, and the judgment is more accurate.
It should be further noted that the step of assessing the uncertainty of the measurement of the calibration gauge in step S12 specifically includes:
calculating the standard deviation of the experiment by adopting a Bessel formula method to calculate the standard uncertainty; determining the source of the standard uncertainty component, wherein the source of the standard uncertainty component in the calibration process of the pressure gauge of the embodiment comprises the standard uncertainty component u caused by the repeatability of the pressure gauge to be measured1Standard uncertainty component u caused by resolution of the pressure gauge under test2Standard uncertainty component u caused by precision pressure gauge3Standard uncertainty component u caused by temperature, atmospheric pressure, pressure altitude difference, pressure transmission loss, and the like4The conditions such as the environmental temperature, the atmospheric pressure and the like all meet the requirements specified by the verification regulations, and other components can be ignored; under the condition of assuming that the distribution type is uniform, looking up a table and calculating to obtain a specific value containing the factor sensitivity coefficient; the value of the normal uncertainty component equals the normal uncertainty component u (x)i) Multiplying by ciAbsolute value of (d); the synthesis standard uncertainty is calculated as follows:
Figure BDA0002304786110000201
wherein u isc(E) To synthesize standard uncertainty, ciIn particular the sensitivity factor, u (x)i) In particular the value of the standard uncertainty component. The extended uncertainty is equal to the inclusion factor multiplied by the composite standard uncertainty.
In the invention, whether an abnormal value exists in the calibration measured value of the calibration measuring instrument is judged, the accuracy of the measurement uncertainty evaluation is ensured, and the measurement uncertainty evaluation unit normalizes and modularizes all the measurement uncertainty evaluation processes with complexity and large calculation amount to calculate each standard uncertainty component, the synthesis uncertainty, the expansion uncertainty and/or the relative expansion uncertainty of the calibration measuring instrument, thereby achieving the effect of simple and easy operation and improving the working efficiency and the accuracy.
Example 4
The present embodiment has the same inventive concept as embodiment 1, and provides a measurement calibration system, which specifically includes a measurement uncertainty determination unit, a first measurement instrument database unit, a calibration unit, a first verification unit, a first certificate verification unit, a first approval unit, a first data verification unit, and a first data normalization unit.
Further, the measurement uncertainty judgment unit is used for judging whether an abnormal value exists in the calibration measured values of the calibration measuring instrument, eliminating the abnormal value in the calibration measured values of the calibration measuring instrument, further evaluating the measurement uncertainty of the calibration measured values of the calibration measuring instrument, and further obtaining a calibration original recording table;
further, the first measuring instrument database unit is used for establishing a measuring instrument database, the measuring instrument database comprises a first original record table template and a plurality of measuring instrument catalog templates, and the measuring instrument catalog templates comprise basic information of calibration measuring instruments; basic information of the calibration measuring instrument includes but is not limited to a submission unit, a manufacturer, a measurement range, a precision grade and a division value; the original record table template is input in advance according to the regulation specification of the metering calibration industry, and only the original record table of a certain metering device needs to be used for calling. According to the invention, through establishing the measuring instrument database, the generation efficiency of the original record table and the calibration certificate is improved, and the workload is reduced.
Further, the calibration unit is used for judging whether the data in the calibration original record table is correct or not and uploading the calibration original record table to the original record first verification unit; specifically, the verifier logs in the calibration unit, compares whether the data in the calibration original record table for verification and the data in the calibration original record table are the same or not, prompts an error and uploads the error to the first data verification unit if the data in the calibration original record table for verification and the data in the calibration original record table for verification are different, and uploads the calibration original record table to the first certificate verification unit if the data in the calibration original record table for verification and the data in the calibration original record table for verification are the. More specifically, the calibration unit further includes a first verification update module, which is configured to automatically update the original record form template, the certificate template, the industry standard file, and the certification authority basic information according to the information in the meter database, and identify whether the legal metering and certification authority metering authorization certificate, the metering standard assessment certificate, the social public standard certificate, and the standard ware quantity traceability certificate are expired, and if so, the system stops operating.
Furthermore, the first verification unit is used for comparing whether the data in the calibration original record table for verification and the data in the calibration original record table are the same or not, so that a calibration certificate to be verified is generated, and the reliability of the system is improved.
Further, the first certificate verifying unit is used for comparing whether the data in the calibration certificate for verification and the data in the calibration certificate to be verified are the same or not, and uploading the calibration certificate to be verified to the first approving unit; specifically, the verifier logs in the first certificate verification unit, compares whether the data in the automatically generated calibration certificate for verification and the data in the calibration certificate to be verified are the same, prompts an error and uploads the error to the first data verification unit if the data are not the same, and generates the calibration certificate to be approved according to the calibration certificate to be verified and uploads the calibration certificate to be approved to the first approval unit if the data are the same.
Further, the first approval unit is used for comparing data in the approval calibration certificate and the to-be-approved calibration certificate, and further generating a calibration certificate or a calibration result notice; specifically, the approver logs in the first approval unit, compares whether the data of the calibration certificate to be approved and the data of the calibration certificate for approval are the same, prompts an error and uploads the error to the first data verification unit if the data of the calibration certificate to be approved and the data of the calibration certificate for approval are different, and generates a calibration certificate or a calibration result notice if the data of the calibration certificate to be approved and the data of the calibration certificate for approval are the same.
Further, the first data checking unit is used for re-checking the basic information and the calibration measured value of the calibration measuring instrument in the original record table and the calibration certificate, further checking and modifying the unqualified basic information, and if the calibrator cannot judge the specific unqualified basic information and the calibration measured value, submitting the unqualified basic information and the calibration measured value to a technical responsible person for further processing.
Further, the first data specification unit is used for judging whether the filled calibration measured value of the calibration measuring instrument and the basic information of the calibration measuring instrument meet the threshold condition or not, and simplifying the verification step of the calibration measured value. Specifically, after a calibrator fills in a calibration measured value, the data normalization unit checks whether basic information input by the calibrator to calibrate the pressure gauge is normalized, namely, whether the division value, the precision level, the atmospheric pressure value, the temperature value, the humidity value and the like of the pressure gauge exceed the range of each value is judged, if yes, the data cannot be input, and automatic alarm prompt is performed.
The calibration system comprises a measurement uncertainty judgment unit, a metering appliance database unit, a calibration unit, a first verification unit, a first certificate verification unit, a first approval unit, a first data verification unit and a first data normalization unit, so that quantification, optimization and solidification of the metering calibration work are realized, abnormal values in calibration measured values of the calibration metering appliance can be eliminated by the measurement uncertainty judgment unit, the workload of the metering calibration work is greatly reduced, the efficiency of the metering calibration work is improved, and the accuracy of the metering calibration work is ensured.
The above detailed description is for the purpose of describing the invention in detail, and it should not be construed that the detailed description is limited to the description, and it will be apparent to those skilled in the art that various modifications and substitutions can be made without departing from the spirit of the invention.

Claims (10)

1. A metrological verification method, characterized by: the method comprises the following steps:
establishing a meter instrument database, wherein the meter instrument database comprises basic information for verifying a meter instrument;
the verification unit is logged in, basic information in the measuring instrument database is imported into an original record form template, verification indication values of the verification measuring instrument are manually filled in the original record form template, whether the verification indication values of the manually filled verification measuring instrument and the basic information of the verification measuring instrument are standard or not is judged, if not, logging is not allowed, otherwise, a verification original record form is obtained, and the verification original record form is uploaded to the verification unit;
logging in a verification unit, comparing an automatically generated original record table for verification with a verification original record table uploaded to the verification unit, judging whether data in the verification original record table and the original record table for verification are the same or not, if not, uploading the verification original record table to a data verification unit, if so, generating a verification certificate to be verified according to the verification original record table, and uploading the verification certificate to be verified to a certificate verification unit;
the login certificate verification unit compares the automatically generated verification certificate for verification with the verification certificate to be verified uploaded to the certificate verification unit, judges whether the data in the verification certificate to be verified and the verification certificate for verification are the same or not, uploads the verification certificate to be verified to the data verification unit if the data in the verification certificate to be verified and the data in the verification certificate to be verified are not the same, and generates a verification certificate to be approved and uploads the verification certificate to the approval unit if the data in the verification certificate to be verified and the verification certificate to be verified are the same;
and the login approval unit compares the automatically generated certification certificate for approval with the certification certificate to be approved uploaded to the approval unit, judges whether the data in the certification certificate to be approved and the data in the certification certificate for approval are the same or not, uploads the certification certificate to be approved to the data verification unit if the data in the certification certificate to be approved and the data in the certification certificate for approval are different, and generates a certification certificate or a certification result notice if the data in the certification certificate to be approved and the data in the certification certificate for approval are the same.
2. A method of metrological verification as claimed in claim 1, wherein: the basic information of the verification measuring instrument comprises a submission unit, a manufacturer, a measurement range, a precision grade, a division value and a model specification.
3. A method of metrological verification as claimed in claim 1, wherein: the automatically generated original record table for verification specifically comprises:
and importing the basic information of the verification measuring instrument in the measuring instrument database into an original record table template, and importing the verification indication value in the verification original record table into the original record table template to obtain the verification original record table.
4. A method of metrological verification as claimed in claim 3, wherein: the automatically generated verification certificate for verification specifically comprises: and generating a verification certificate for verification according to the verification original record table with the same verification indication value as the verification original record table.
5. A method of metrological verification as claimed in claim 1, wherein: the automatically generated certification certificate for approval specifically includes:
and importing basic information of the verification measuring instrument in the measuring instrument database into an original record table template, importing verification indication values in the verification original record table into the original record table template to obtain a verification original record table for approval, and generating a verification certificate for approval according to the verification original record table for approval.
6. A method of metrological verification as claimed in claim 1, wherein: the step of judging whether the verification indication value and the basic information of the verification measuring instrument are standard or not specifically comprises the following steps of:
judging whether the verification indication value and the basic information of the verification measuring instrument meet the threshold condition or not, and if not, the verification indication value of the verification measuring instrument cannot be input;
the threshold condition comprises the conditions of detecting indication value, division value of basic information of the detecting measuring instrument, accuracy grade, atmospheric pressure value, temperature value and humidity value, and whether the range is exceeded or not.
7. A metrological verification system, characterized by: the system comprises a measuring instrument database unit, a verification unit, a certificate verification unit, an approval unit, a data verification unit and a data normalization unit;
the measuring instrument database unit is used for inputting basic information of the verified measuring instrument;
the verification unit is used for judging whether the data in the verification original record table is correct or not and uploading the verification original record table to the verification unit;
the verification unit is used for comparing whether the data in the original record table for verification and the data in the verification original record table are the same or not, further generating a verification certificate to be verified and uploaded to the certificate verification unit;
the certificate verification unit is used for comparing whether the verification certificate for verification is the same as the data in the verification certificate to be verified, generating the verification certificate to be approved and uploading the verification certificate to the approval unit;
the approval unit is used for comparing whether the data in the certificate for approval and the certificate to be approved are the same or not so as to generate a certificate or certificate result notice;
the data checking unit is used for checking basic information and a verification indication value of the verification measuring instrument in the original recording table and the verification certificate again;
the data standard unit is used for judging whether the filled verification indicating value and the verification measuring instrument basic information meet threshold conditions or not, and simplifying the verification step of the verification measuring instrument basic information.
8. A metrology calibration method, comprising: the method specifically comprises the following steps:
establishing a meter instrument database, wherein the meter instrument database comprises basic information of a calibration meter instrument;
the calibration unit is used for importing basic information of the calibration measuring instrument in the measuring instrument database into a calibration original record table template, manually filling a calibration measured value of the calibration measuring instrument in the calibration original record table template, judging whether the manually filled calibration measured value of the calibration measuring instrument is standard or not, if not, not allowing entry, if so, further judging whether an abnormal value exists in the calibration measured value of the calibration measuring instrument, if so, removing the abnormal value according to requirements, evaluating the measurement uncertainty of the calibration measured value of the calibration measuring instrument, and further generating a calibration original record table and uploading the calibration original record table to the first verification unit;
logging in a first verification unit, comparing a first calibration original record table for verification generated automatically with a calibration original record table uploaded to the verification unit, judging whether data in the calibration original record table and the calibration original record table for verification are the same or not, if not, uploading the calibration original record table to a data verification unit, and if so, generating a calibration certificate to be verified according to the calibration original record table and uploading the calibration certificate to the first certificate verification unit;
logging in a first certificate verification unit, comparing an automatically generated calibration certificate for verification with a calibration certificate to be verified uploaded to the certificate verification unit, judging whether data in the calibration certificate to be verified and the data in the calibration certificate to be verified are the same, if not, uploading the calibration certificate to be verified to a data verification unit, and if so, generating a calibration certificate to be approved and uploading the calibration certificate to be approved to a first approval unit;
logging in a first approval unit, comparing an approval calibration certificate automatically generated by a background with a to-be-approved calibration certificate uploaded to the approval unit, judging whether data in the to-be-verified calibration certificate and the data in the to-be-verified calibration certificate are the same, if not, uploading the to-be-verified calibration certificate to a data verification unit, and if so, generating a calibration certificate or a calibration result notice.
9. A metrology calibration method according to claim 8 wherein: the determining whether an abnormal value exists in the calibration measurement value of the calibration measuring instrument specifically includes:
and judging whether abnormal values exist in the calibration measured values of the calibration measuring instruments by adopting a Grabas criterion and a Dixon criterion, if the abnormal values exist in the calibration measured values of the calibration measuring instruments by adopting the Grabas criterion and the Dixon criterion, judging that the abnormal values exist, and rejecting the abnormal values.
10. A metrology calibration system, characterized by: the system comprises a measurement uncertainty judgment unit, a first measuring instrument database unit, a calibration unit, a first verification unit, a first certificate verification unit, a first approval unit, a first data verification unit and a data normalization unit;
the measurement uncertainty judging unit is used for judging whether an abnormal value exists in the calibration measured values of the calibration measuring instrument or not and rejecting the abnormal value in the calibration measured values of the calibration measuring instrument;
the first metering appliance database unit is used for entering basic information of a calibration metering appliance;
the first calibration unit is used for judging whether the data in the calibration original record table is correct or not and uploading the calibration original record table to the first verification unit;
the first verification unit is used for comparing whether the data in the calibration original record table for verification and the data in the calibration original record table are the same or not, further generating a calibration certificate to be verified and uploading the calibration certificate to the first certificate verification unit;
the first certificate verifying unit is used for comparing whether the data in the calibration certificate for verification and the data in the calibration certificate to be verified are the same or not, generating a calibration certificate to be approved and uploading the calibration certificate to the first approving unit;
the first approval unit is used for comparing whether the data in the approval calibration certificate and the data in the to-be-approved calibration certificate are the same or not so as to generate a calibration certificate or a calibration result notice;
the first data checking unit is used for checking original basic information of the calibration measuring instrument in the calibration original recording table and the calibration certificate again;
the first data standard unit is used for judging whether basic information of the calibration measuring instrument and a calibration measured value of the calibration measuring instrument meet threshold conditions or not, and simplifying a measurement calibration verification step.
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