CN101629994A - Method for automatically calibrating terminal in batch - Google Patents
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- CN101629994A CN101629994A CN200910305366A CN200910305366A CN101629994A CN 101629994 A CN101629994 A CN 101629994A CN 200910305366 A CN200910305366 A CN 200910305366A CN 200910305366 A CN200910305366 A CN 200910305366A CN 101629994 A CN101629994 A CN 101629994A
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Abstract
The invention provides a method for automatically calibrating a terminal in batch, which comprises the following steps: (A) physically setting, connecting the current of all phases of a terminal and the current of relevant phases of a standard meter and a power source in series and connecting the voltage of all phases and the voltages of relevant phases of the standard meter and the power source in parallel; (B) setting configuration and correspondingly configuring the terminal, the standard meter and the power source; (C) establishing serial port connection and connecting a working platform, the terminal, the standard meter and the power source; (D) calibrating the working platform, the calibration comprises data initialization in the zero step, gain calibration in the first step, phase calibration I in the second step, phase calibration II in the third step, phase calibration III in the fourth step and voltage and current calibration in the fifth step; (E) carrying out error detection; and (F) forming a test report.
Description
Technical field
The present invention relates to a kind of power domain, particularly about a kind of method of automatically calibrating terminal in batch.
Background technology
In electric system, various negative control terminals, distribution transformer terminals and low-voltage collecting meter reading terminal 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 to take the manual calibration steps of making mode, not only Hua Fei time is long, and can not guarantee to calibrate comprehensively, can not guarantee the stability of product, the ATT chip just has been applied in negative control terminal and distribution transformer terminals and the low-voltage collecting meter reading terminal low by manual calibration efficiency, can not calibrate automatically, in the process of calibration, need repeatedly to change the supply voltage of terminal and the angle between electric current and the electric current and voltage, and can not calibrate simultaneously many station terminals simultaneously.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of method that can realize in batches using in the negative control of calibration automatically, distribution transforming, the low-voltage collecting meter reading automatically calibrating terminal in batch of chip terminal.
The technical solution adopted for the present invention to solve the technical problems is: the method that a kind of automatically calibrating terminal in batch is provided, it may further comprise the steps: (A) physics setting, be used for each phase current of terminal is connected with standard scale, the relevant phase current of power source, each phase voltage is carried out parallel connection with standard scale, the relevant phase voltage of power source;
(B) configuration is provided with, and is used for described terminal, described standard scale and described power source are carried out corresponding configuration;
(C) set up serial ports and connect, be used for worktable is connected with power source with described terminal and described standard scale;
(D) described worktable is calibrated, and described calibration comprises that described calibration comprised for the 0th step: data initialization, and the 1st step: gain calibration, the 2nd step: 1, the 3 step of phase correction: 2, the 4 steps of phase correction: 3, the 5 steps of phase correction: electric current and voltage is proofreaied and correct;
(E) carry out error-detecting;
(F) form test report.
The scheme of the further technical solution problem of the present invention is: in the step (A), change by 232 between described worktable and described terminal, described standard scale and the described power source that serial ports are connected be provided with power source so that worktable can change Serial Port Lines by 232, and voltage, electric current, the active power of obtaining standard scale, be provided with and obtain the data message of terminal.
The scheme of the further technical solution problem of the present invention is: in the described step (B), corresponding configuration comprises: the power source parameter is set, described power source parameter comprises voltage, electric current, the phase angle of described power source, communication serial port, baud rate, check bit and address; 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; Error range between the active power, voltage, electric current of active power, voltage, electric current and the described standard scale of the described terminal in calibration back is set.
The scheme of the further technical solution problem of the present invention is: in the described step (C), worktable changes serial ports by 232 and connects with described terminal and described standard scale.
The scheme of the further technical solution problem of the present invention is: in the described step (D), data initialization is described worktable to be changeed serial ports by 232 terminal is sent initialization command.
The scheme of the further technical solution problem of the present invention is: in the described step (D), to be worktable change serial ports by 232 that power source is provided with voltage, the electric current that voltage makes power source is normal voltage, the current value that terminal need be provided with in gain calibration, angle between the electric current and voltage is 0 degree, changes power that Serial Port Lines read standard scale by 232 and change serial ports by 232 again terminal is sent calibration command under this condition.
The scheme of the further technical solution problem of the present invention is: in the described step (D), to be worktable change serial ports by 232 to phase correction 1 that power source is provided with the voltage that voltage makes power source is that normal voltage, the electric current that terminal need be provided with is 2 times that terminal need be provided with electric current, angle between voltage, the electric current is 60 degree, changes active power that Serial Port Lines read standard scale by 232 and change serial ports by 232 again terminal is sent calibration command under this condition; To be worktable change serial ports by 232 to phase correction 2 that power source is provided with the voltage that voltage makes power source is that normal voltage, the electric current that terminal need be provided with is that terminal need be provided with electric current, angle between the electric current and voltage is 60 degree, changes power that Serial Port Lines read standard scale by 232 and change serial ports by 232 again terminal is sent calibration command under this condition; To be worktable change serial ports by 232 to phase correction 3 that power source is provided with the voltage that voltage makes power source is that normal voltage, the electric current that terminal need be provided with is 0.1 times that terminal need be provided with electric current, angle between the electric current and voltage is 60 degree, changes power that Serial Port Lines read standard scale by 232 and change serial ports by 232 again terminal is sent calibration command under this condition.
The scheme of the further technical solution problem of the present invention is: in the described step (D), to be worktable change serial ports by 232 that power source is provided with the voltage that voltage makes power source is that normal voltage, the electric current that terminal need be provided with is that terminal need be provided with normal current for electric current and voltage calibration, angle between the electric current and voltage is 0 degree, changes electric current and voltage that Serial Port Lines read standard scale by 232 and change serial ports by 232 again terminal is sent calibration command under this condition.
The scheme of the further technical solution problem of the present invention is: in the described step (E), obtain described terminal active power, voltage, electric current and calculate comparison with active power, voltage, the electric current of standard scale.
The scheme of the further technical solution problem of the present invention is: described terminal comprises negative control terminal, distribution transformer terminals and the low-voltage collecting meter reading terminal of using the ATT chip.
Compared to prior art, the advantage of the method for automatically calibrating terminal in batch of the present invention is: by many station terminals are calibrated simultaneously, 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 the data message in the calibration process simultaneously 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 provided by the invention.
Fig. 2 is the structural representation of calibration system of the method for this automatically calibrating terminal in batch of employing provided by the invention.
Embodiment
Following 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.
As shown in Figure 1, the invention provides a kind of method of automatically calibrating terminal in batch, it comprises the steps:
A physics is provided with, be used for each phase current of terminal is connected with standard scale, power source respectively with each phase voltage, guarantee the circuit communication between them, change by 232 between described worktable and described terminal, described standard scale and the described power source that serial ports are connected be provided with power source so that worktable can change Serial Port Lines by 232, and voltage, electric current, the active power of obtaining standard scale, be provided with and obtain the data message of terminal.
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 power source parameter comprises voltage, electric current, the phase angle of described power source, communication serial port, baud rate, check bit and address;
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;
Error range between the active power, voltage, electric current of active power, voltage, electric current and the described standard scale of the described terminal in calibration back is set.
C connects, and is used for that worktable is changeed serial ports by 232 and connects 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 may further comprise the steps:
The 0th step: data initialization, described worktable change serial ports by 232 terminal are sent initialization command.
The 1st step: gain calibration, worktable changes serial ports by 232, and power source is provided with voltage, the electric current that voltage makes power source is normal voltage, the current value that terminal need be provided with, angle between the electric current and voltage is 0 degree, changes power that Serial Port Lines read standard scale by 232 and change serial ports by 232 again terminal is sent calibration command under this condition.
The 2nd step: phase correction 1, worktable changes serial ports by 232, and power source is provided with the voltage that voltage makes power source is that normal voltage, the electric current that terminal need be provided with is 2 times that terminal need be provided with electric current, angle between voltage, the electric current is 60 degree, changes active power that Serial Port Lines read standard scale by 232 and change serial ports by 232 again terminal is sent calibration command under this condition.
The 3rd step: phase correction 2, worktable changes serial ports by 232, and power source is provided with the voltage that voltage makes power source is that normal voltage, the electric current that terminal need be provided with is that terminal need be provided with electric current, angle between the electric current and voltage is 60 degree, changes power that Serial Port Lines read standard scale by 232 and change serial ports by 232 again terminal is sent calibration command under this condition.
The 4th step: phase correction 3, worktable changes serial ports by 232, and power source is provided with the voltage that voltage makes power source is that normal voltage, the electric current that terminal need be provided with is 0.1 times that terminal need be provided with electric current, angle between the electric current and voltage is 60 degree, changes power that Serial Port Lines read standard scale by 232 and change serial ports by 232 again terminal is sent calibration command under this condition.
The 5th step: electric current and voltage calibration, worktable changes serial ports by 232, and power source is provided with the voltage that voltage makes power source is that normal voltage, the electric current that terminal need be provided with is that terminal need be provided with normal current, angle between the electric current and voltage is 0 degree, changes electric current and voltage that Serial Port Lines read standard scale by 232 and change serial ports by 232 again terminal is sent calibration command under this condition.
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 step e is, obtains described terminal active power, voltage, electric current and calculates comparison with active power, voltage, the electric current of standard scale.
Described worktable and described terminal and described standard scale, power source are connected by serial ports.
Described terminal comprises negative control terminal, distribution transformer terminals and the low-voltage collecting meter reading terminal of using the ATT chip.
Described terminal is changeed serial ports by custom protocol and described worktable by 232 and is communicated.Described standard scale changes voltage, electric current and the active power that serial ports obtains standard scale by the standard scale agreement by 232, and described power source passes through voltage, electric current and the phase angle of 232 commentaries on classics serial port setting power sources by the agreement of power source.
Described step F forms document for the data that will produce in the above-mentioned steps, and described document is managed.
As shown in Figure 2, in the time of in the practical application, adopt multithreading of the present invention that many station terminals are calibrated, adopt the agreement of standard scale to obtain voltage, electric current, the active power of standard scale respectively, agreement by power source is handled the calibration data of being correlated with by the agreement of each power office's regulation terminal is calibrated by 232 voltage, electric current and the phase angles that change the serial port setting power sources in agreement.Automatically calibration comprises a worktable 101 in batches, many station terminals 102, one standard scale 103 and a 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, described power source 104 change serial ports by 232 and are connected, and described worktable 101 carries out information transmission by 232 commentaries on classics serial ports and described terminal 102 and described standard scale 103, described power source 104.When calibrating, comprise following several steps, worktable 101 says the word by serial ports according to the agreement of standard scale and obtains active power, voltage, the electric current of described standard scale 103; According to comprising in self-defined in the fixed agreement of each power office that the calibration data that we define sends calibration command by serial ports to described terminal 102; Calibrate and detect.When data compare, whether the active power of judging the active power of terminal and standard scale is in-0.5% ~ 0.5% scope, active power Error Calculation formula (standard source active power value-terminal active power value)/standard source active power value, judge the voltage of terminal, whether the voltage of electric current and standard scale, electric current is in-0.5% ~ 0.5% scope, voltage error computing formula (standard source magnitude of voltage-terminal voltage value)/standard source magnitude of voltage, current error computing formula (standard source current value-terminal current value)/standard source current value.
Can carry out calibration operation automatically by worktable 101, by multithreading, time repeating query mechanism realizes.Each setting takies a serial ports, and each serial ports transceive data respectively starts a thread, by determining how long to carry out next action the time delay that is provided with, judges current implementation status according to the data that each serial ports receives.
The method of automatically calibrating terminal in batch of 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.
Claims (10)
1. the method for an automatically calibrating terminal in batch, it may further comprise the steps:
(A) physics setting is used for each phase current of terminal is connected with standard scale, the relevant phase current of power source, and each phase voltage is carried out parallel connection with standard scale, the relevant phase voltage of power source;
(B) configuration is provided with, and is used for described terminal, described standard scale and described power source are carried out corresponding configuration;
(C) set up serial ports and connect, be used for worktable is connected with power source with described terminal and described standard scale;
(D) described worktable is calibrated, and described calibration comprises that described calibration comprised for the 0th step: data initialization, and the 1st step: gain calibration, the 2nd step: 1, the 3 step of phase correction: 2, the 4 steps of phase correction: 3, the 5 steps of phase correction: electric current and voltage is proofreaied and correct;
(E) carry out error-detecting;
(F) form test report.
2. the method for automatically calibrating terminal in batch according to claim 1, it is characterized in that: in the step (A), change by 232 between described worktable and described terminal, described standard scale and the described power source that serial ports are connected be provided with power source so that worktable can change Serial Port Lines by 232, and voltage, electric current, the active power of obtaining standard scale, be provided with and obtain the data message of terminal.
3. the method for automatically calibrating terminal in batch according to claim 1, it is characterized in that: in the described step (B), corresponding configuration comprises: the power source parameter is set, described power source parameter comprises voltage, electric current, the phase angle of described power source, communication serial port, baud rate, check bit and address; 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; Error range between the active power, voltage, electric current of active power, voltage, electric current and the described standard scale of the described terminal in calibration back is set.
4. the method for automatically calibrating terminal in batch according to claim 1 is characterized in that: in the described step (C), worktable changes serial ports by 232 and connects with described terminal and described standard scale.
5. the method for automatically calibrating terminal in batch according to claim 1 is characterized in that: in the described step (D), data initialization is described worktable to be changeed serial ports by 232 terminal is sent initialization command.
6. the method for automatically calibrating terminal in batch according to claim 1, it is characterized in that: in the described step (D), to be worktable change serial ports by 232 that power source is provided with voltage, the electric current that voltage makes power source is normal voltage, the current value that terminal need be provided with in gain calibration, angle between the electric current and voltage is 0 degree, changes power that Serial Port Lines read standard scale by 232 and change serial ports by 232 again terminal is sent calibration command under this condition.
7. the method for automatically calibrating terminal in batch according to claim 1, it is characterized in that: in the described step (D), to be worktable change serial ports by 232 to phase correction 1 that power source is provided with the voltage that voltage makes power source is that normal voltage, the electric current that terminal need be provided with is 2 times that terminal need be provided with electric current, angle between voltage, the electric current is 60 degree, changes active power that Serial Port Lines read standard scale by 232 and change serial ports by 232 again terminal is sent calibration command under this condition; To be worktable change serial ports by 232 to phase correction 2 that power source is provided with the voltage that voltage makes power source is that normal voltage, the electric current that terminal need be provided with is that terminal need be provided with electric current, angle between the electric current and voltage is 60 degree, changes power that Serial Port Lines read standard scale by 232 and change serial ports by 232 again terminal is sent calibration command under this condition; To be worktable change serial ports by 232 to phase correction 3 that power source is provided with the voltage that voltage makes power source is that normal voltage, the electric current that terminal need be provided with is 0.1 times that terminal need be provided with electric current, angle between the electric current and voltage is 60 degree, changes power that Serial Port Lines read standard scale by 232 and change serial ports by 232 again terminal is sent calibration command under this condition.
8. the method for automatically calibrating terminal in batch according to claim 1, it is characterized in that: in the described step (D), to be worktable change serial ports by 232 that power source is provided with the voltage that voltage makes power source is that normal voltage, the electric current that terminal need be provided with is that terminal need be provided with normal current for electric current and voltage calibration, angle between the electric current and voltage is 0 degree, changes electric current and voltage that Serial Port Lines read standard scale by 232 and change serial ports by 232 again terminal is sent calibration command under this condition.
9. the method for automatically calibrating terminal in batch according to claim 1 is characterized in that: in the described step (E), obtain described terminal active power, voltage, electric current and calculate comparison with active power, voltage, the electric current of standard scale.
10. the method for automatically calibrating terminal in batch according to claim 1 is characterized in that: described terminal comprises negative control terminal, distribution transformer terminals and the low-voltage collecting meter reading terminal of using the ATT chip.
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| CN2009103053669A CN101629994B (en) | 2009-08-07 | 2009-08-07 | Method for automatically calibrating terminal in batch |
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| CN2009103053669A CN101629994B (en) | 2009-08-07 | 2009-08-07 | Method for automatically calibrating terminal in batch |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102478648A (en) * | 2010-11-24 | 2012-05-30 | 南京南瑞继保电气有限公司 | A device measured value precision automatic calibration method and system |
| 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 |
| CN105589051A (en) * | 2014-11-18 | 2016-05-18 | 德信东源电力技术服务（北京）有限公司 | Method and device for calibrating current and method for detecting current |
| CN108562864A (en) * | 2018-02-27 | 2018-09-21 | 杭州海兴电力科技股份有限公司 | The method that single-point power method calibrates electric energy meter error |
| 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 | A kind of adjustment system and adjusting process of the voltage and current sampling module suitable for non-intrusion type load monitoring |
| CN109856587A (en) * | 2018-12-20 | 2019-06-07 | 宁波三星智能电气有限公司 | The one key correction method of scene of electric power terminal |
| 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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| US6759837B2 (en) * | 2001-08-28 | 2004-07-06 | Analog Devices, Inc. | Methods and apparatus for phase compensation in electronic energy meters |
| CN101153900B (en) * | 2006-09-30 | 2011-05-04 | 深圳市科陆电子科技股份有限公司 | Calibration method and system for electric energy meter |
| CN101206252A (en) * | 2006-12-22 | 2008-06-25 | 鸿富锦精密工业（深圳）有限公司 | System and method for measuring digital multimeter |
| CN101464502A (en) * | 2008-12-30 | 2009-06-24 | 深圳市科陆电子科技股份有限公司 | Method for batch automatic terminal calibration |
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- 2009-08-07 CN CN2009103053669A patent/CN101629994B/en not_active Expired - Fee Related
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| CN102478648A (en) * | 2010-11-24 | 2012-05-30 | 南京南瑞继保电气有限公司 | A device measured value precision automatic calibration method and system |
| CN102478648B (en) * | 2010-11-24 | 2013-11-13 | 南京南瑞继保电气有限公司 | A device measured value precision automatic calibration method and system |
| 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 |
| CN105589051A (en) * | 2014-11-18 | 2016-05-18 | 德信东源电力技术服务（北京）有限公司 | Method and device for calibrating current and method for detecting current |
| CN108562864A (en) * | 2018-02-27 | 2018-09-21 | 杭州海兴电力科技股份有限公司 | The method that single-point power method calibrates electric energy meter error |
| 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 | A kind of adjustment system and adjusting process of the voltage and current sampling module suitable for non-intrusion type load monitoring |
| CN109856587A (en) * | 2018-12-20 | 2019-06-07 | 宁波三星智能电气有限公司 | The one key correction method of scene of electric power terminal |
| CN109856587B (en) * | 2018-12-20 | 2021-11-26 | 宁波三星智能电气有限公司 | On-site one-key meter calibration method for power terminal |
| 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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| CN101629994B (en) | 2012-05-30 |
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