CN110907878B - Calibration system of coil number tester - Google Patents

Calibration system of coil number tester Download PDF

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Publication number
CN110907878B
CN110907878B CN201911179514.7A CN201911179514A CN110907878B CN 110907878 B CN110907878 B CN 110907878B CN 201911179514 A CN201911179514 A CN 201911179514A CN 110907878 B CN110907878 B CN 110907878B
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calibration
laboratory
instrument
checking
tester
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CN110907878A (en
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石霞
曾宏勋
龚敏
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Shenzhen Tiansu Calibration And Testing Co ltd
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Shenzhen Tiansu Calibration And Testing Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00Testing or calibrating of apparatus covered by the other groups of this subclass
    • G01R35/02Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating

Abstract

The invention discloses a calibration system of a coil number tester, which is used for solving the problems that the existing re-calibration time is a preset value, the accurate re-calibration date and the existing coil number tester calibration cannot be obtained according to the use condition of a calibration instrument, and a user cannot reasonably match a calibration laboratory of the coil number tester, so that the calibration time is long and the distance is long; the system comprises an environment acquisition module, a calibration module, a server, a user login module, a report generation module, a re-calibration calculation module, a data acquisition module and a matching calculation module; the invention relates to a re-calibration calculation module which obtains the re-calibration date of a calibration instrument according to the current date of a system and the re-calibration duration; through the accurate calculation of the re-correction date, the re-transaction time is conveniently and reasonably provided for the user; through the screening matching to the laboratory, the user of being convenient for rationally seeks the calibration laboratory who finds coil number of turns tester to be convenient for faster better calibration to coil number of turns tester.

Description

Calibration system of coil number tester
Technical Field
The invention relates to the technical field of calibration of coil number testers, in particular to a calibration system of a coil number tester.
Background
The coil turn number tester is used for measuring various types of coil turn numbers and resistances, such as various types of coils of generator windings, transformer coils, relay coils, high-low voltage package windings of televisions, automobile igniters and the like. The accuracy of the coil number and the resistance measurement of the product directly influences the production quality; the calibration re-calibration time interval of the existing coil turn number tester is generally one year;
the re-calibration time of the existing coil turn number tester is a preset value, and accurate re-calibration date cannot be obtained according to the use condition of the coil turn number tester; the re-calibration time of some coil turn number testers which are frequently used and have poor use environments is also one year, so that the re-calibration time of the coil turn number testers cannot be reasonably determined; when a user selects a calibration laboratory, the calibration laboratory cannot be reasonably matched with the coil turn number tester, resulting in long calibration time and long distance.
Disclosure of Invention
The invention aims to provide a calibration system of a coil number tester; according to the invention, through accurate calculation of the re-correction date, the re-transaction time is conveniently and reasonably provided for the user; through the screening matching to the laboratory, the user of being convenient for rationally seeks the calibration laboratory who finds coil number of turns tester to be convenient for faster better calibration to coil number of turns tester.
The technical problem to be solved by the invention is as follows:
(1) how to obtain the re-calibration time through the testing times, the temperature, the humidity and the calibration parameters of the calibration instrument, and obtaining the re-calibration date of the calibration instrument through the re-calibration time, so that the problem that the existing re-calibration time is a preset value and the accurate re-calibration date cannot be obtained according to the use condition of the calibration instrument is solved;
(2) how to obtain the coincidence value of the laboratory through the distance from the laboratory, the residual unfinished calibration corresponding to the laboratory, the grading mean value of the laboratory and the calibrated number of the laboratory, and selecting the laboratory according with the coincidence value to be calibrated by a user, thereby solving the problems of long calibration time and long distance caused by the fact that the user can not reasonably match the calibration laboratory of the coil turn number tester in the calibration of the existing coil turn number tester;
the purpose of the invention can be realized by the following technical scheme: a calibration system of a coil number tester comprises an environment acquisition module, a calibration module, a server, a user login module, a report generation module, a re-calibration calculation module, a data acquisition module and a matching calculation module;
the environment acquisition module is used for acquiring and judging environment information of the checking coil turn number tester during checking and voltage information of the checking coil turn number tester, generating a checking instruction and sending the checking instruction to the checking module when the environment information and the voltage information are both within a preset range, and sending the environment information and the voltage information to the server for storage; the environmental information includes temperature data and humidity data; the voltage information comprises a voltage value and a voltage frequency; marking a coil turn number tester to be checked as a checking instrument;
the checking module is used for checking the checking coil turn number tester and sending the checking result to the server; checking and checking the resistance measurement error and the number of turns;
the user login module is used for logging in and submitting registration information and auditing and sending the registration information which passes the auditing to the server for storage, wherein the registration information comprises names, addresses, serial numbers of the coil turn number tester, test times, and temperature and humidity during testing; the temperature and the humidity during the test are the temperature and the humidity during the test of the calibration instrument in the last calibration period of the current calibration distance;
the re-calibration calculation module is used for calculating the re-calibration date of the calibration instrument, and comprises the following specific calculation steps:
the method comprises the following steps: setting the serial number of a checking instrument as Xi, wherein i is 1, … … and n; the number of testing times corresponding to the checking instrument is recorded as CXi
Step two: setting a preset temperature range and a preset humidity range as Wj and Dj, wherein j is 1, … … and 10; each preset temperature range and humidity range corresponds to an influence coefficient and is respectively marked as EWjAnd EDj
Step three: the number of times that the statistical check instrument tests in the preset temperature range is marked as PXiWjAnd counting the corresponding times of the test of the checking instrument in the preset humidity range and marking as PXiDj
Step four: using formulas
Figure BDA0002290876890000031
Obtaining the re-calibration time length T of the calibration instrumentXi(ii) a λ is a correction coefficient, and the value is 0.86984542; d1, d2, d3 and d4 are all preset fixed values of proportionality coefficients; wXiThe calibration parameter is the calibration parameter of the calibration instrument;
step five: the re-checking calculation module obtains the re-checking date of the checking instrument according to the current date of the system and the re-checking duration; the re-checking calculation module sends the calculated re-checking date of the checking instrument to the server for storage;
the report generation module is used for acquiring the verification information of the verification instrument and generating a verification certificate.
Preferably, the data acquisition module is used for acquiring laboratory information of a laboratory for calibrating the coil turn number tester, wherein the laboratory information comprises the position of the laboratory, the reserved number of the laboratory, the number of the calibrated coil turn number testers in the laboratory and the grading average value of the laboratory; the data acquisition module sends the acquired laboratory information to a server for storage; the user login module is used for logging in a server through a mobile phone terminal, submitting the serial number and the calibration appointment date of the coil turn number tester and sending the serial number and the calibration appointment date to the server, the server sends the serial number and the calibration appointment date to the matching calculation module, the matching calculation module is used for matching the coil turn number tester of the user to a corresponding laboratory, and the specific matching steps are as follows:
the method comprises the following steps: acquiring all coil turn number testers in a preset distance range according to the position of a user, and marking the coil turn number testers as primary selection laboratories;
step two: setting a primary selection laboratory as Yi, i is 1, … … and n; setting the number of calibrated coil turn number testers in the primary selection laboratory as FYi(ii) a Score mean K for primary laboratoryYi
Step three: calculating the distance difference between the primary laboratory and the user according to the position of the user, and marking as GYi
Step four: calculating the number of the remaining unfinished calibrated coil turn number testers corresponding to the primary laboratory according to the reserved calibration date and marking the number as MYi
Step five: using formulas
Figure BDA0002290876890000041
Obtaining the coincidence value WH of the primary laboratoryYi(ii) a Wherein g1, g2, g3 and g4 are all preset proportionality coefficients;
step six: marking the primary selection laboratory with the maximum coincidence value as a selection laboratory; sending the selected laboratory position to a mobile phone terminal of a user; meanwhile, the reserved number of the selected laboratory is increased by one; the user sends the coil turn number tester to be calibrated to the laboratory before the preset calibration date according to the position of the laboratory, and the laboratory calibrates the coil turn number tester.
Preferably, the cycle number measurement error calibration comprises the following steps:
the method comprises the following steps: before calibration, the instrument to be calibrated is electrified and preheated for 30 minutes or more;
step two: opening and closing a sensor rotating arm of the calibrated instrument, placing a standard coil into the test rod, ensuring that the position of the standard coil is stable and the circle center of the standard coil is superposed with the test rod, and closing the sensor rotating arm;
step three: connecting a standard coil terminal with a test wire of an instrument to be calibrated;
step four: switching the function of the instrument to be calibrated to 'measuring the number of turns', resetting, setting the number of turns of a standard coil, and selecting the measuring range and reading of the instrument to be calibrated; the selection of the calibration point of the basic range is not less than 5 points, the selection of the calibration points of other ranges is not less than 3 points, and the calibration points are uniformly selected in the corresponding ranges;
the resistance measurement error calibration comprises the following steps:
the method comprises the following steps: before calibration, the instrument to be calibrated is electrified and preheated for 30 minutes or more;
step two: connecting a standard coil terminal with a test wire of an instrument to be calibrated;
step three: switching the function of the calibrated instrument to resistance measurement and zero resetting; setting the number of turns of the standard coil, and selecting the measuring range and reading of the calibrated instrument; the selection of the calibration point of the basic measuring range is not less than 3 points, the selection of the calibration points of other measuring ranges is not less than 1 point, and the calibration points are uniformly selected in the corresponding measuring ranges.
Preferably, the calibration module further includes a calibration calculation unit, the calibration calculation unit is configured to calculate calibration parameters of the calibration instrument, and the specific calculation steps are as follows:
the method comprises the following steps: setting the number of turns of the marking coil as G1; marking the resistance corresponding to the number of turns as G2;
step two: the measured cycle number and resistance number of the checking instrument are recorded as HkXiAnd ZkXi;k=1、……、n;
Step three: using formulas
Figure BDA0002290876890000051
Obtaining a calibration parameter W of a calibration instrumentXi(ii) a Wherein m1 and m2 are both preset proportionality coefficients; rho is an error correction coefficient and takes the value of 0.9193564;
step four: and the calibration calculation unit sends the check parameter value to the value server for storage.
The invention has the beneficial effects that:
(1) the re-calibration calculation module calculates the re-calibration date of the calibration instrument, and counts the times of testing the calibration instrument in a preset temperature range and the times of testing the calibration instrument in a preset humidity range; obtaining the re-calibration time length of the calibration instrument by using a formula; the re-checking calculation module obtains the re-checking date of the checking instrument according to the current date of the system and the re-checking duration; through the accurate calculation of the re-correction date, the re-transaction time is conveniently and reasonably provided for the user;
(2) according to the invention, a user logs in a server through a mobile phone terminal, submits the number and the calibration appointment date of a coil turn number tester and sends the number and the calibration appointment date to the server, the server sends the number and the calibration appointment date to a matching calculation module, the matching calculation module is used for matching the coil turn number tester of the user to a corresponding laboratory, all laboratories for the coil turn number tester in a preset distance range are obtained according to the position of the user, the distance difference between a primary selection laboratory and the user is calculated according to the position of the user, the number of the remaining coil turn number testers which are not calibrated and correspond to the primary selection laboratory is calculated according to the reserved calibration date, and the coincidence value of the primary selection laboratory is obtained by using a formula; marking the primary selection laboratory with the maximum coincidence value as a selection laboratory; a user sends a coil turn number tester to be calibrated into a laboratory before a preset calibration date according to the position of the laboratory, and the laboratory calibrates the coil turn number tester; through the screening matching to the laboratory, the user of being convenient for rationally seeks the calibration laboratory who finds coil number of turns tester to be convenient for faster better calibration to coil number of turns tester.
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The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic block diagram of a calibration system for a coil count tester according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1, the present invention is a calibration system for a coil number tester, including an environment acquisition module, a calibration module, a server, a user login module, a report generation module, a data acquisition module, and a matching calculation module;
the environment acquisition module is used for acquiring and judging environment information of the checking coil turn number tester during checking and voltage information of the checking coil turn number tester, generating a checking instruction and sending the checking instruction to the checking module when the environment information and the voltage information are both within a preset range, and sending the environment information and the voltage information to the server for storage; the environmental information includes temperature data and humidity data; the voltage information comprises a voltage value and a voltage frequency; marking a coil turn number tester to be checked as a checking instrument;
the checking module is used for checking the checking coil turn number tester and sending the checking result to the server; checking and checking the resistance measurement error and the number of turns;
the calibration of the error of the turn number measurement comprises the following steps:
the method comprises the following steps: before calibration, the instrument to be calibrated is electrified and preheated for 30 minutes or more;
step two: opening and closing a sensor rotating arm of the calibrated instrument, placing a standard coil into the test rod, ensuring that the position of the standard coil is stable and the circle center of the standard coil is superposed with the test rod, and closing the sensor rotating arm;
step three: connecting a standard coil terminal with a test wire of an instrument to be calibrated;
step four: switching the function of the instrument to be calibrated to 'measuring the number of turns', resetting, setting the number of turns of a standard coil, and selecting the measuring range and reading of the instrument to be calibrated; the selection of the calibration point of the basic range is not less than 5 points, the selection of the calibration points of other ranges is not less than 3 points, and the calibration points are uniformly selected in the corresponding ranges;
the resistance measurement error calibration comprises the following steps:
the method comprises the following steps: before calibration, the instrument to be calibrated is electrified and preheated for 30 minutes or more;
step two: connecting a standard coil terminal with a test wire of an instrument to be calibrated;
step three: switching the function of the calibrated instrument to resistance measurement and zero resetting; setting the number of turns of the standard coil, and selecting the measuring range and reading of the calibrated instrument; the selection of the calibration point of the basic range is not less than 3 points, the selection of the calibration points of other ranges is not less than 1 point, and the calibration points are uniformly selected in the corresponding ranges;
the checking check also comprises appearance check and power-on check;
the appearance inspection is poor, namely whether the appearance structure is intact or not is inspected, whether information such as panel indication, reading instruments, manufacturers, instrument numbers and models are clearly marked or not is inspected, and whether exposed parts of the inspected instruments are loosened or not and mechanical damage is detected or not is inspected; whether the instrument accessories, the input line and the grounding end are complete or not; whether a switch, a knob and the like can normally rotate or not;
the power-on inspection comprises the steps of switching on a power supply of the instrument to be calibrated, observing whether a reading instrument has display and display defects, whether each switch and each knob can be normally used or not, and inspecting whether the zero resetting function of the instrument to be calibrated normally works or not;
the user login module is used for logging in and submitting registration information and auditing and sending the registration information which passes the auditing to the server for storage, wherein the registration information comprises names, addresses, serial numbers of the coil turn number tester, test times, and temperature and humidity during testing; the temperature and the humidity during the test are the temperature and the humidity during the test of the calibration instrument in the last calibration period of the current calibration distance;
the re-calibration calculation module is used for calculating the re-calibration date of the calibration instrument, and comprises the following specific calculation steps:
the method comprises the following steps: setting the serial number of a checking instrument as Xi, wherein i is 1, … … and n; the number of testing times corresponding to the checking instrument is recorded as CXi
Step two: setting a preset temperature range and a preset humidity range as Wj and Dj, wherein j is 1, … … and 10; each preset temperature range and humidity range corresponds to an influence coefficient and is respectively marked as EWjAnd EDj
Step three: the number of times that the statistical check instrument tests in the preset temperature range is marked as PXiWjAnd counting the corresponding times of the test of the checking instrument in the preset humidity range and marking as PXiDj
Step four: using formulas
Figure BDA0002290876890000081
Obtaining the re-calibration time length T of the calibration instrumentXi(ii) a λ is a correction coefficient, and the value is 0.86984542; d1, d2, d3 and d4 are all preset fixed values of proportionality coefficients; wXiThe calibration parameter is the calibration parameter of the calibration instrument; according to a formula, the more the test times corresponding to the checking instrument are, the shorter the re-checking time is, and the shorter the re-crossing date is; the larger the calibration parameter value of the calibration instrument is, the shorter the re-calibration time is;
step five: the re-checking calculation module obtains the re-checking date of the checking instrument according to the current date of the system and the re-checking duration; the re-checking calculation module sends the calculated re-checking date of the checking instrument to the server for storage;
the report generation module is used for acquiring the verification information of the verification instrument and generating a verification certificate; the verification certificate includes the following information: the following information:
(1) titles, such as "calibration certificate"; (2) laboratory name and address; (3) the location where the calibration is performed; (4) a unique identifier (e.g., a number) of the certificate or report, an identifier of each page and the total number of pages; (5) the name and address of the customer; (6) description and explicit identification of the subject being corrected; (7) the date the calibration was performed; (8) the identification of the technical specification according to which the calibration is based comprises a name and a code number; (9) the traceability and validity statement of the measurement standard used in the calibration; (10) a description of a calibration environment; (11) a description of the calibration results and their measurement uncertainty; (12) if the calibration result is related to the validity and application of the calibration result, the setting and operation of the calibrated object in the calibration process should be explained; (13) a specification of a deviation from the calibration specification; (14) the signature, job or equivalent identification of the issuer of the certificate and calibration report to be calibrated; (15) a statement that the calibration result is valid only for the object being calibrated; (16) no partial duplication of certificates or statements reported without written laboratory approval; (17) the date of the redaction;
the data acquisition module is used for acquiring laboratory information of a laboratory for calibrating the coil turn number tester, wherein the laboratory information comprises the position of the laboratory, the reserved number of the laboratory, the number of the calibrated coil turn number testers in the laboratory and the grading average value of the laboratory; the data acquisition module sends the acquired laboratory information to a server for storage; the user logs in the module and is used for the user to log in the server and submit serial number and the calibration reservation date of coil number of turns tester and will serial number and calibration reservation date send to the server in, the server will be numbered and calibration reservation date send to the matching calculation module, the matching calculation module is used for matching the coil number of turns tester of user to the laboratory that corresponds, concrete matching step as follows:
the method comprises the following steps: acquiring all coil turn number testers in a preset distance range according to the position of a user, and marking the coil turn number testers as primary selection laboratories;
step two: setting a primary selection laboratory as Yi, i is 1, … … and n; set up calibration curve of primary laboratoryThe number of the circle number tester is recorded as FYi(ii) a Score mean K for primary laboratoryYi
Step three: calculating the distance difference between the primary laboratory and the user according to the position of the user, and marking as GYi
Step four: calculating the number of the remaining unfinished calibrated coil turn number testers corresponding to the primary laboratory according to the reserved calibration date and marking the number as MYi
Step five: using formulas
Figure BDA0002290876890000091
Obtaining the coincidence value WH of the primary laboratoryYi(ii) a Wherein g1, g2, g3 and g4 are all preset proportionality coefficients; the probability that the primary selection laboratory is selected is higher as the primary selection laboratory is closer to the user and the coincidence value is higher;
step six: marking the primary selection laboratory with the maximum coincidence value as a selection laboratory; sending the selected laboratory position to a mobile phone terminal of a user; meanwhile, the reserved number of the selected laboratory is increased by one; a user sends a coil turn number tester to be calibrated into a laboratory before a preset calibration date according to the position of the laboratory, and the laboratory calibrates the coil turn number tester;
the calibration module further comprises a calibration calculation unit, the calibration calculation unit is used for calculating calibration parameters of the calibration instrument, and the specific calculation steps are as follows:
the method comprises the following steps: setting the number of turns of the marking coil as G1; marking the resistance corresponding to the number of turns as G2;
step two: the measured cycle number and resistance number of the checking instrument are recorded as HkXiAnd ZkXi;k=1、……、n;
Step three: using formulas
Figure BDA0002290876890000101
Obtaining a calibration parameter W of a calibration instrumentXi(ii) a Wherein m1 and m2 are both preset proportionality coefficients; rho is an error correction coefficient and takes the value of 09193564; according to a formula, the more standard the measured cycle number and resistance are, the larger the verification parameter is;
step four: and the calibration calculation unit sends the check parameter value to the value server for storage.
The working principle of the invention is as follows: the user login module is used for logging in and submitting registration information and auditing and sending the registration information which passes the auditing to the server for storage, and the re-calibration calculation module is used for calculating the re-calibration date of the calibration instrument and counting the times of testing the calibration instrument in a preset temperature range and the times of testing the calibration instrument in a preset humidity range; using formulas
Figure BDA0002290876890000102
Obtaining the re-calibration time length T of the calibration instrumentXi(ii) a The re-checking calculation module obtains the re-checking date of the checking instrument according to the current date of the system and the re-checking duration; the re-checking calculation module sends the calculated re-checking date of the checking instrument to the server for storage; through the accurate calculation of the re-correction date, the re-transaction time is conveniently and reasonably provided for the user; the user login module is used for logging in a server through a mobile phone terminal by a user, submitting the serial number and the calibration appointment date of the coil turn number tester and sending the serial number and the calibration appointment date to the server, the server sends the serial number and the calibration appointment date to the matching calculation module, the matching calculation module is used for matching the coil turn number tester of the user to a corresponding laboratory, all laboratories for the coil turn number tester in a preset distance range are obtained according to the position of the user, the distance difference between a primary selection laboratory and the user is calculated according to the position of the user, the number of the remaining coil turn number testers which do not finish calibration and correspond to the primary selection laboratory is calculated according to the appointment calibration date, and a formula is utilized
Figure BDA0002290876890000111
Obtaining an anastomosis value WHYi of a primary laboratory; marking the primary selection laboratory with the maximum coincidence value as a selection laboratory; sending the selected laboratory position to a mobile phone terminal of a user; at the same time, of the selected laboratoryThe reserved number is increased by one; a user sends a coil turn number tester to be calibrated into a laboratory before a preset calibration date according to the position of the laboratory, and the laboratory calibrates the coil turn number tester; through the screening matching to the laboratory, the user of being convenient for rationally seeks the calibration laboratory who finds coil number of turns tester to be convenient for faster better calibration to coil number of turns tester.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.

Claims (4)

1. A calibration system of a coil number tester is characterized by comprising an environment acquisition module, a calibration module, a server, a user login module, a report generation module, a re-calibration calculation module, a data acquisition module and a matching calculation module;
the environment acquisition module is used for acquiring and judging environment information of the checking coil turn number tester during checking and voltage information of the checking coil turn number tester, generating a checking instruction and sending the checking instruction to the checking module when the environment information and the voltage information are both within a preset range, and sending the environment information and the voltage information to the server for storage; the environmental information includes temperature data and humidity data; the voltage information comprises a voltage value and a voltage frequency; marking a coil turn number tester to be checked as a checking instrument;
the calibration module is used for checking the checking coil turn number tester and sending a checking result to the server; checking and checking the resistance measurement error and the number of turns;
the user login module is used for logging in and submitting registration information and auditing and sending the registration information which passes the auditing to the server for storage, wherein the registration information comprises names, addresses, serial numbers of the coil turn number tester, test times, and temperature and humidity during testing; the temperature and the humidity during the test are the temperature and the humidity during the test of the calibration instrument in the last calibration period of the current calibration distance;
the re-calibration calculation module is used for calculating the re-calibration date of the calibration instrument, and comprises the following specific calculation steps:
the method comprises the following steps: setting the serial number of a checking instrument as Xi, wherein i is 1, … … and n; the number of testing times corresponding to the checking instrument is recorded as CXi
Step two: setting a preset temperature range and a preset humidity range as Wj and Dj, wherein j is 1, … … and 10; each preset temperature range and humidity range corresponds to an influence coefficient and is respectively marked as EWjAnd EDj
Step three: the number of times that the statistical check instrument tests in the preset temperature range is marked as PXiWjAnd counting the corresponding times of the test of the checking instrument in the preset humidity range and marking as PXiDj
Step four: using formulas
Figure FDA0002628350740000021
Obtaining the re-calibration time length T of the calibration instrumentXi(ii) a λ is a correction coefficient, and the value is 0.86984542; d1, d2, d3 and d4 are all preset fixed values of proportionality coefficients; wXiThe calibration parameter is the calibration parameter of the calibration instrument;
step five: the re-checking calculation module obtains the re-checking date of the checking instrument according to the current date of the system and the re-checking duration; the re-checking calculation module sends the calculated re-checking date of the checking instrument to the server for storage;
the report generation module is used for acquiring the verification information of the verification instrument and generating a verification certificate;
the data acquisition module is used for acquiring laboratory information of a laboratory for calibrating the coil turn number tester, wherein the laboratory information comprises the position of the laboratory, the reserved number of the laboratory, the number of the calibrated coil turn number testers in the laboratory and the grading average value of the laboratory; the data acquisition module sends the acquired laboratory information to a server for storage; the user login module is used for logging in a server through a mobile phone terminal, submitting the serial number and the calibration appointment date of the coil turn number tester and sending the serial number and the calibration appointment date to the server, the server sends the serial number and the calibration appointment date to the matching calculation module, and the matching calculation module is used for matching the coil turn number tester of the user to a corresponding laboratory.
2. The system for calibrating a coil count tester according to claim 1, wherein the matching calculation module comprises the following specific matching steps:
the method comprises the following steps: acquiring all coil turn number testers in a preset distance range according to the position of a user, and marking the coil turn number testers as primary selection laboratories;
step two: setting a primary selection laboratory as Yi, i is 1, … … and n; setting the number of calibrated coil turn number testers in the primary selection laboratory as FYi(ii) a Score mean K for primary laboratoryYi
Step three: calculating the distance difference between the primary laboratory and the user according to the position of the user, and marking as GYi
Step four: calculating the number of the remaining unfinished calibrated coil turn number testers corresponding to the primary laboratory according to the reserved calibration date and marking the number as MYi
Step five: using formulas
Figure FDA0002628350740000031
Obtaining the coincidence value WH of the primary laboratoryYi(ii) a Wherein g1, g2, g3 and g4 are all preset proportionality coefficients;
step six: marking the primary selection laboratory with the maximum coincidence value as a selection laboratory; sending the selected laboratory position to a mobile phone terminal of a user; meanwhile, the reserved number of the selected laboratory is increased by one; the user sends the coil turn number tester to be calibrated to the laboratory before the preset calibration date according to the position of the laboratory, and the laboratory calibrates the coil turn number tester.
3. A calibration system for a coil count tester as claimed in claim 1, wherein said turn count error calibration comprises the steps of:
the method comprises the following steps: before calibration, the instrument to be calibrated is electrified and preheated for 30 minutes or more;
step two: opening and closing a sensor rotating arm of the calibrated instrument, placing a standard coil into the test rod, ensuring that the position of the standard coil is stable and the circle center of the standard coil is superposed with the test rod, and closing the sensor rotating arm;
step three: connecting a standard coil terminal with a test wire of an instrument to be calibrated;
step four: switching the function of the instrument to be calibrated to 'measuring the number of turns', resetting, setting the number of turns of a standard coil, and selecting the measuring range and reading of the instrument to be calibrated; the selection of the calibration point of the basic range is not less than 5 points, the selection of the calibration points of other ranges is not less than 3 points, and the calibration points are uniformly selected in the corresponding ranges;
the resistance measurement error calibration comprises the following steps:
the method comprises the following steps: before calibration, the instrument to be calibrated is electrified and preheated for 30 minutes or more;
step two: connecting a standard coil terminal with a test wire of an instrument to be calibrated;
step three: switching the function of the calibrated instrument to resistance measurement and zero resetting; setting the number of turns of the standard coil, and selecting the measuring range and reading of the calibrated instrument; the selection of the calibration point of the basic measuring range is not less than 3 points, the selection of the calibration points of other measuring ranges is not less than 1 point, and the calibration points are uniformly selected in the corresponding measuring ranges.
4. The system of claim 1, wherein the calibration module further comprises a calibration calculation unit, the calibration calculation unit is configured to calculate calibration parameters of the calibration instrument, and the specific calculation steps are as follows:
the method comprises the following steps: setting the number of turns of the marking coil as G1; marking the resistance corresponding to the number of turns as G2;
step two: measuring circle number indicating value and resistance of checking instrumentThe indicating values are respectively recorded as HkXiAnd ZkXi;k=1、……、n;
Step three: using formulas
Figure FDA0002628350740000041
Obtaining a calibration parameter W of a calibration instrumentXi(ii) a Wherein m1 and m2 are both preset proportionality coefficients; rho is an error correction coefficient and takes the value of 0.9193564;
step four: and the calibration calculation unit sends the check parameter value to the value server for storage.
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CN2569155Y (en) * 2002-08-16 2003-08-27 上海沪光电子控制设备厂 Measurer for coil number
CN201449446U (en) * 2009-06-25 2010-05-05 南京中旭电子科技有限公司 Precision measuring device for magnetic sensibility of Hall integrated circuit
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