CN101464502A - Method for batch automatic terminal calibration - Google Patents
Method for batch automatic terminal calibration Download PDFInfo
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- CN101464502A CN101464502A CNA2008102419194A CN200810241919A CN101464502A CN 101464502 A CN101464502 A CN 101464502A CN A2008102419194 A CNA2008102419194 A CN A2008102419194A CN 200810241919 A CN200810241919 A CN 200810241919A CN 101464502 A CN101464502 A CN 101464502A
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- 238000012360 testing method Methods 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000013642 negative control Substances 0.000 claims description 5
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000007405 data analysis Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 2
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Abstract
The invention provides a method for automatically calibrating terminals in batch, which comprises the following steps: firstly, physical arrangement for respectively connecting the each-phase current and the each-phase voltage of the terminals with a standard meter and a power source; secondly, configuration setting for correspondingly configuring the terminals, the standard meter and the power source; thirdly, connection establishment; fourthly, calibration of a work bench, wherein, the calibration comprises amplitude value calibration and phase angle calibration; fifthly, error detection; and sixthly, test report forming. The invention has the advantages that the invention avoids the problems of low efficiency and low stability easily occurring in the traditional workshop way through calibrating the terminals, not only facilitates calibration work through setting calibration parameters on the work bench, but also results in convenience and quickness on the conditions of adjusting the calibration parameters, and simultaneously can record data information during the calibration process, so as to provide great convenience for later data analysis. The method for automatically calibrating the terminals in batch not only improves the productive efficiency, but also reduces the labor cost.
Description
[technical field]
The present invention relates to the negative control terminal detection range, relate in particular to a kind of method of automatically calibrating terminal in batch.
[background technology]
In electric system, various negative control terminals and distribution transformer terminals all needed its measuring accuracy error calibrating before networking, and whether Calibration Method is related to the metering of terminal accurate, and whether the time relationship of calibration is to enhancing productivity.Present most calibrating mode all is a calibration steps of taking the handicraft workshop formula, not only Hua Fei time long, and can not guarantee to calibrate comprehensively, can not guarantee the stability of product.
[summary of the invention]
In order to solve above-mentioned deficiency of the prior art, the invention provides a kind of method of automatically calibrating terminal in batch, solve in the prior art the low and stable problem of efficient when detecting at terminal.
The present invention is achieved by the following technical solutions: design a kind of method of automatically calibrating terminal in batch, comprise the steps:
A physics is provided with, and is used for each phase current of terminal is connected with standard scale, power source respectively with each phase voltage;
B disposes setting, is used for described terminal, described standard scale and described power source are carried out corresponding configuration;
C connects, and is used for worktable is connected with described terminal and described standard scale;
The described worktable of D starts calibration and calibrates, and described calibration comprises amplitude calibration and phase angle calibration;
E carries out error-detecting;
F forms test report.
The present invention is further improved to be: each phase current of described terminal and described standard scale, described power source are contacted, and each phase voltage of described terminal and described standard scale, described power source are in parallel.
The present invention is further improved to be: described step B specifically comprises
The power source parameter is set, and described parameter comprises voltage, electric current, phase angle and the power of described power source;
Terminal parameter is set, and described terminal parameter comprises communication serial port, baud rate, check bit and the terminal address of described terminal;
Communication serial port, baud rate and the check bit of described standard scale are set;
The mode of connection of described terminal is set;
The amplitude calibration level is set, the voltage of voltage, electric current and the described standard scale of the described terminal in calibration back, the error range between the electric current are set;
The phase angle calibration level is set, the active power of active power, applied power and the described standard scale of the described terminal in calibration back, the error range between the applied power are set;
Parameter error is set, the difference between each phase voltage coefficient of calibration back, voltage angle coefficient and the current coefficient is set.
The present invention is further improved to be: described amplitude calibration is specially, and described worktable obtains voltage, the electric current of described standard scale, and described worktable sends the amplitude calibration command to terminal, obtains the voltage of the described terminal in amplitude calibration back, the error of electric current; Described phase angle calibration is specially, and described worktable obtains active power, the applied power of described standard scale, and described worktable sends the phase angle calibration command to terminal, obtains the active power of the described terminal in phase angle calibration back, the error of applied power.
The present invention is further improved to be: described terminal, standard scale and power source are respectively three-phase terminal, three-phase standard scale and three phase power source; Described step e is specially, and obtains described terminal calibration factor, and the error of three-phase voltage coefficient, three-phase voltage angle coefficient and three-phase current coefficient and the error range of setting are compared.
The present invention is further improved to be: described worktable is connected by serial ports with described terminal and described standard scale, and described worktable carries out information transmission by serial ports instruction and described terminal and described standard scale.
The present invention is further improved to be: described terminal comprises a described terminal at least, and the number of described terminal and described standard scale is corresponding, and described worktable carries out amplitude calibration and phase angle calibration to described terminal.
The present invention is further improved to be: described terminal comprises negative control terminal and distribution transformer terminals.
The present invention is further improved to be: described terminal and described standard scale carry out frame traffic by agreement and described worktable.
The present invention is further improved to be: described step F is specially the data that will produce in the above-mentioned steps and forms document, and described document is managed.
The invention has the beneficial effects as follows: the present invention is by calibrating simultaneously many station terminals, avoided the problem that traditional workshop-based efficient that is prone to is low, stability is not high, set calibration parameter by worktable, not only be beneficial to calibration operation, when adjusting calibration parameter, can make things convenient for again with quick, can write down simultaneously the data message in the calibration process again, for later data analysis provides great convenience.The mode of this automatically calibrating terminal in batch has not only improved production efficiency, has reduced cost of labor again.
[description of drawings]
Fig. 1 is the schematic flow sheet of the method for automatically calibrating terminal in batch of the present invention.
Fig. 2 is the connection layout of the method for automatically calibrating terminal in batch of the present invention.
[embodiment]
Below in conjunction with the drawings and specific embodiments, the invention is further described.
As Fig. 1, a kind of method of automatically calibrating terminal in batch comprises the steps:
A physics is provided with, and is used for each phase current of terminal is connected with standard scale, power source respectively with each phase voltage; Guarantee that the circuit between them connects, also need to be connected so that worktable can obtain and show their data message by instruction between worktable and described terminal and the described standard scale.
B disposes setting, is used for described terminal, described standard scale and described power source are carried out corresponding configuration; Concrete setting then comprises as follows: the power source parameter is set, and described parameter comprises voltage, electric current, phase angle and the power of described power source;
Terminal parameter is set, and described terminal parameter comprises communication serial port, baud rate, check bit and the terminal address of described terminal;
Communication serial port, baud rate and the check bit of described standard scale are set;
The mode of connection of described terminal is set, need be arranged to phase three-wire three as terminal as described in the phase three-wire three, the terminal of three-phase and four-line need be arranged to three-phase and four-line;
The amplitude calibration level is set, the voltage of voltage, electric current and the described standard scale of the described terminal in calibration back, the error range between the electric current are set;
The phase angle calibration level is set, the active power of active power, applied power and the described standard scale of the described terminal in calibration back, the error range between the applied power are set;
Parameter error is set, the difference between each phase voltage coefficient of calibration back, voltage angle coefficient and the current coefficient is set.
C connects, and is used for worktable is connected with described terminal and described standard scale; It is normal to guarantee that under the situation that starts worktable this worktable and the equipment that is connected with it connect.
The described worktable of D starts calibration and calibrates, and described calibration comprises amplitude calibration and phase angle calibration; Described amplitude calibration is specially, and described worktable obtains voltage, the electric current of described standard scale, and described worktable sends the amplitude calibration command to terminal, obtains the voltage of the described terminal in amplitude calibration back, the error of electric current; Described phase angle calibration is specially, and described worktable obtains active power, the applied power of described standard scale, and described worktable sends the phase angle calibration command to terminal, obtains the active power of the described terminal in phase angle calibration back, the error of applied power.
E carries out error-detecting;
F forms test report.
Each phase current of described terminal and described standard scale, described power source polyphone, each phase voltage of described terminal and described standard scale, described power source are in parallel.
Described terminal, standard scale and power source are respectively three-phase terminal, three-phase standard scale and three phase power source; Described step e is specially, and obtains described terminal calibration factor, and the error of three-phase voltage coefficient, three-phase voltage angle coefficient and three-phase current coefficient and the error range of setting are compared.
Described worktable is connected by serial ports with described terminal and described standard scale, and described worktable carries out information transmission by serial ports instruction and described terminal and described standard scale.
Described terminal comprises a described terminal at least, and the number of described terminal and described standard scale is corresponding, and described worktable carries out amplitude calibration and phase angle calibration to described terminal.
Described terminal comprises negative control terminal and distribution transformer terminals.
Described terminal and described standard scale carry out frame traffic by agreement and described worktable.
Described step F is specially the data that will produce in the above-mentioned steps and forms document, and described document is managed.
In the time of in the practical application, the present invention adopts multithreading that many station terminals are carried out amplitude calibration and phase angle calibration, adopts communication protocol to calibrate respectively.As described in Figure 2, it is the batch connection diagram of calibration automatically, automatically calibration mainly comprises worktable 101 in batches, terminal 102, standard scale 103 and power source 104, described terminal 102 each phase current and described standard scale 104, described power source 104 polyphones, described terminal 102 each phase voltage and described standard scale 103, described power source 104 are in parallel; Described worktable 101 and described terminal 102 and described standard scale 103 are connected by serial ports, and described worktable 101 carries out information transmission by serial ports instruction and described terminal 102 and described standard scale 103.Carrying out amplitude when calibration, then mainly comprise following several steps, worktable 101 says the word by serial ports according to the agreement of standard scale and obtains voltage, the electric current of described standard scale 103; By serial ports described terminal 102 is sent the amplitude calibration command according to the amplitude calibration protocol; Carrying out amplitude detects.When obtaining the voltage and current process of described standard scale by agreement, amplitude calibration frame format generally comprises bebinning character, the terminal logic address, main website address and command sequence number, bebinning character, control code, data length, supplier number, identification code, the expansion control code, password, calibration classification, voltage, electric current, verification, contents such as postamble are carried out data transmission by frame traffic; When data compare, judge the voltage of terminal, whether the electric current and voltage of electric current and standard scale is in-0.5%～0.5% scope, the terminal of phase three-wire three need be according to the phase voltage and the A of terminal, the angle of B phase calculates outlet voltage to carry out, computing formula is as follows: Ub=Math.Sqrt (Ua*Ua+Uc*Uc-2Ua*Ub*cosQ) generally carries out following algorithm, voltage error computing formula " (terminal voltage-standard source voltage)/standard source voltage ", current error computing formula " (terminal current-standard source electric current)/standard source electric current " is if voltage error value and current error value are less than " amplitude calibration level " then illustrate that amplitude calibrates successfully.
Equally, when carrying out phase-angle detection, also be divided into several steps and carry out, this worktable 101 says the word by serial ports according to the agreement of standard scale and obtains active power, the applied power of described standard scale 103; By serial ports this terminal 103 is sent the phase angle calibration command according to crossing calibration protocol; Carry out phase-angle detection.Phase angle calibration frame format generally comprises bebinning character, terminal logic address, main website address and command sequence number, bebinning character, control code, data length, supplier number, identification code, expansion control code, password, the calibration classification, active power, applied power, verification, contents such as postamble; In data relatively the time, whether the active power, applied power of judging active power, applied power and the standard scale of terminal is in-0.5% ~ 0.5% scope.
Generally carry out following algorithm, active power error amount computing formula is " (terminal active power-standard source active power)/standard source active power ", applied power error amount computing formula is that " (terminal applied power-standard source applied power)/standard source applied power ", if active power error amount and applied power error amount all exist " phase angle calibration level is " interior then illustrate that the terminal phase angle calibrates successfully.
Can carry out calibration operation automatically by worktable 101, by the residing state of these terminal 102 calibrations of state-detection of each terminal 102 calibrations, by multithreading, the time repeating query, status mechanism is realized.Each setting takies a serial ports, and each serial ports transceive data respectively starts a thread, judges by state, and current each terminal 102 is calibrated residing position, according to the state main website this terminal 102 is controlled.Whether the data of reading terminal after amplitude calibration and phase angle calibration back pause for a moment detect accurate, and this process realizes by timer.Read calibration factor according to terminal protocol from described terminal 102, difference between A in the coefficient of comparisons, B, C three-phase voltage coefficient, current coefficient, the voltage angle coefficient, compare by the parameter of setting in difference and the worktable, thereby realize calibration, and then very easily a plurality of terminals are calibrated automatically this terminal 102.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1, a kind of method of automatically calibrating terminal in batch comprises the steps:
(A) physics setting is used for each phase current of terminal is connected with standard scale, power source respectively with each phase voltage;
(B) configuration is provided with, and is used for described terminal, described standard scale and described power source are carried out corresponding configuration;
(C) connect, be used for worktable is connected with described terminal and described standard scale;
(D) described worktable is calibrated, and described calibration comprises amplitude calibration and phase angle calibration;
(E) carry out error-detecting;
(F) form test report.
2, according to the method for the described automatically calibrating terminal in batch of claim 1, it is characterized in that: each phase current of described terminal and described standard scale, described power source polyphone, each phase voltage of described terminal and described standard scale, described power source are in parallel.
3, according to the method for the described automatically calibrating terminal in batch of claim 1, it is characterized in that: described step (B) specifically comprises
The power source parameter is set, and described power source parameter comprises voltage, electric current, phase angle and the power of described power source;
Terminal parameter is set, and described terminal parameter comprises communication serial port, baud rate, check bit and the terminal address of described terminal;
Communication serial port, baud rate and the check bit of described standard scale are set;
The mode of connection of described terminal is set;
The amplitude calibration level is set, the voltage of voltage, electric current and the described standard scale of the described terminal in calibration back, the error range between the electric current are set;
The phase angle calibration level is set, the active power of active power, applied power and the described standard scale of the described terminal in calibration back, the error range between the applied power are set;
Parameter error is set, the difference between each phase voltage coefficient of calibration back, voltage angle coefficient and the current coefficient is set.
4, according to the method for the described automatically calibrating terminal in batch of claim 1, it is characterized in that: described amplitude calibration is specially, described worktable obtains voltage, the electric current of described standard scale, described worktable sends the amplitude calibration command to terminal, obtains the voltage of the described terminal in amplitude calibration back, the error of electric current; Described phase angle calibration is specially, and described worktable obtains active power, the applied power of described standard scale, and described worktable sends the phase angle calibration command to terminal, obtains the active power of the described terminal in phase angle calibration back, the error of applied power.
5, according to the method for the described automatically calibrating terminal in batch of claim 1, it is characterized in that: described terminal, standard scale and power source are respectively three-phase terminal, three-phase standard scale and three phase power source; Described step (E) is specially, and obtains described terminal calibration factor, and the error of three-phase voltage coefficient, three-phase voltage angle coefficient and three-phase current coefficient and the error range of setting are compared.
6, according to the method for any described automatically calibrating terminal in batch of claim 2-5, peculiarly just be: described worktable is connected by serial ports with described terminal and described standard scale, and described worktable carries out information transmission by serial ports instruction and described terminal and described standard scale.
7, according to the method for the described automatically calibrating terminal in batch of claim 6, it is characterized in that: described terminal comprises a described terminal at least, the number of described terminal and described standard scale is corresponding, and described worktable carries out amplitude calibration and phase angle calibration to described terminal.
8, according to the method for the described automatically calibrating terminal in batch of claim 7, it is characterized in that: described terminal comprises negative control terminal and distribution transformer terminals.
9, the method for described automatically calibrating terminal in batch according to Claim 8, it is characterized in that: described terminal and described standard scale carry out frame traffic by agreement and described worktable.
10, the method for described automatically calibrating terminal in batch according to Claim 8 is characterized in that: described step (F) is specially the data that will produce in the above-mentioned steps and forms document, and described document is managed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102419194A CN101464502A (en) | 2008-12-30 | 2008-12-30 | Method for batch automatic terminal calibration |
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| CNA2008102419194A CN101464502A (en) | 2008-12-30 | 2008-12-30 | Method for batch automatic terminal calibration |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101629994B (en) * | 2009-08-07 | 2012-05-30 | 深圳市科陆电子科技股份有限公司 | Method for automatically calibrating terminal in batch |
| CN101718819B (en) * | 2009-11-06 | 2012-07-25 | 深圳市科陆电子科技股份有限公司 | Batch automatic terminal event testing method and system thereof |
| CN102854485A (en) * | 2012-09-29 | 2013-01-02 | 深圳市亚特尔科技有限公司 | Automated adjustment system for comprehensive multi-parameter electrical measuring instrument and adjustment method |
| CN102928812A (en) * | 2012-11-22 | 2013-02-13 | 深圳市航天泰瑞捷电子有限公司 | Calibration method and device for electric energy meter |
| CN103631902A (en) * | 2013-11-21 | 2014-03-12 | 国家电网公司 | Device and method for inspecting electric power field |
| CN104360303A (en) * | 2014-11-04 | 2015-02-18 | 江阴长仪集团有限公司 | Method for verifying self-calibration error along with voltage fluctuation on basis of intelligent ammeters |
| CN104483961A (en) * | 2014-11-12 | 2015-04-01 | 郑州众智科技股份有限公司 | Automatic calibration method of diesel generating set controller |
| CN104569903A (en) * | 2014-12-15 | 2015-04-29 | 南昌市科陆智能电网科技有限公司 | Automatic test system and test method |
| CN106680754A (en) * | 2017-01-16 | 2017-05-17 | 国网安徽省电力公司宣城供电公司 | Automatic calibration system and method of power source |
| CN108828494A (en) * | 2018-04-18 | 2018-11-16 | 电子科技大学 | Intelligent electric energy meter function calibration method based on genetic algorithm |
| CN109100672A (en) * | 2018-10-18 | 2018-12-28 | 深圳供电局有限公司 | Adjusting system and adjusting method of voltage and current sampling module suitable for non-invasive load monitoring |
| CN111239660A (en) * | 2019-09-17 | 2020-06-05 | 惠州化能汇通智能科技有限公司 | Novel full-automatic batch calibration device of distribution transformer intelligent monitoring terminal |
| CN112363001A (en) * | 2020-11-24 | 2021-02-12 | 科大智能电气技术有限公司 | High-precision metering method and system for platform area intelligent fusion terminal |
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2008
- 2008-12-30 CN CNA2008102419194A patent/CN101464502A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101629994B (en) * | 2009-08-07 | 2012-05-30 | 深圳市科陆电子科技股份有限公司 | Method for automatically calibrating terminal in batch |
| CN101718819B (en) * | 2009-11-06 | 2012-07-25 | 深圳市科陆电子科技股份有限公司 | Batch automatic terminal event testing method and system thereof |
| CN102854485A (en) * | 2012-09-29 | 2013-01-02 | 深圳市亚特尔科技有限公司 | Automated adjustment system for comprehensive multi-parameter electrical measuring instrument and adjustment method |
| CN102928812B (en) * | 2012-11-22 | 2015-08-19 | 深圳市航天泰瑞捷电子有限公司 | The calibration steps of electric energy meter and device |
| CN102928812A (en) * | 2012-11-22 | 2013-02-13 | 深圳市航天泰瑞捷电子有限公司 | Calibration method and device for electric energy meter |
| CN103631902A (en) * | 2013-11-21 | 2014-03-12 | 国家电网公司 | Device and method for inspecting electric power field |
| CN103631902B (en) * | 2013-11-21 | 2018-01-26 | 国家电网公司 | A kind of electric field checking device and method |
| CN104360303A (en) * | 2014-11-04 | 2015-02-18 | 江阴长仪集团有限公司 | Method for verifying self-calibration error along with voltage fluctuation on basis of intelligent ammeters |
| CN104483961A (en) * | 2014-11-12 | 2015-04-01 | 郑州众智科技股份有限公司 | Automatic calibration method of diesel generating set controller |
| CN104483961B (en) * | 2014-11-12 | 2018-05-29 | 郑州众智科技股份有限公司 | A kind of automatic calibrating method of controller of diesel generator set |
| CN104569903A (en) * | 2014-12-15 | 2015-04-29 | 南昌市科陆智能电网科技有限公司 | Automatic test system and test method |
| CN106680754A (en) * | 2017-01-16 | 2017-05-17 | 国网安徽省电力公司宣城供电公司 | Automatic calibration system and method of power source |
| CN108828494A (en) * | 2018-04-18 | 2018-11-16 | 电子科技大学 | Intelligent electric energy meter function calibration method based on genetic algorithm |
| CN108828494B (en) * | 2018-04-18 | 2020-06-12 | 电子科技大学 | Intelligent electric energy meter function verification method based on genetic algorithm |
| CN109100672A (en) * | 2018-10-18 | 2018-12-28 | 深圳供电局有限公司 | Adjusting system and adjusting method of voltage and current sampling module suitable for non-invasive load monitoring |
| CN111239660A (en) * | 2019-09-17 | 2020-06-05 | 惠州化能汇通智能科技有限公司 | Novel full-automatic batch calibration device of distribution transformer intelligent monitoring terminal |
| CN112363001A (en) * | 2020-11-24 | 2021-02-12 | 科大智能电气技术有限公司 | High-precision metering method and system for platform area intelligent fusion terminal |
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