CN106908750A - A kind of electric energy meter pulse error detection method and device - Google Patents
A kind of electric energy meter pulse error detection method and device Download PDFInfo
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- CN106908750A CN106908750A CN201710016163.2A CN201710016163A CN106908750A CN 106908750 A CN106908750 A CN 106908750A CN 201710016163 A CN201710016163 A CN 201710016163A CN 106908750 A CN106908750 A CN 106908750A
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- electric energy
- energy meter
- pulse
- spread spectrum
- error detection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
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- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
It is an object of the invention to provide a kind of electric energy meter pulse error detection method and device, wherein method comprises the following steps：Set spread spectrum pulse, with spread spectrum pulse measure first set quantity standard electric energy meter pulse, and second setting quantity tested electric energy meter pulse；Described first sets quantity and the second ratio set between quantity as standard electric energy meter and the ratio of tested electric energy meter meter constant；The spread spectrum pulse quantity measured more twice, the difference according to spread spectrum pulse quantity determines the error of tested electric energy meter.A kind of electric energy meter pulse error detection method provided by the present invention and device, the pulse of standard electric energy meter and tested electric energy meter respective numbers is converted into the spread spectrum pulse of respective amount, and it is measured using spread spectrum pulse.Because the frequency of spread spectrum pulse is high, so precision is also high, the application condition produced when being detected to electric energy meter pulse is small.
Description
Technical field
The invention belongs to electric energy meter detection technique field, and in particular to a kind of electric energy meter pulse error detection method and dress
Put.
Background technology
Electric energy meter is a kind of instrument measured to electric energy using electrical energy impulse signals, and pulse signal whether there is error
It is directly connected to the accuracy of pulse electric energy meter metering, it is therefore desirable to which electric energy meter is periodically detected.
Conventional electric energy meter pulse error detection method, is using meter constant and tested electric energy meter meter constant phase at present
It is gone here and there and set in the loop by difference an order of magnitude or identical electric energy meter as standard electric energy meter together with tested electric energy meter,
Test same time internal standard electric energy meter and number of pulses produced by tested electric energy meter, then according to the difference of quantity between the two
Calculate the pulse error of tested electric energy meter.
The testing result of this method would generally produce an error for pulse, can be produced more under some extreme operating modes
Big error, or even error can reach 2%, the quasi- error of testing result in this way it is larger, not enough accurately.
The content of the invention
It is above-mentioned to electricity for solving it is an object of the invention to provide a kind of electric energy meter pulse error detection method and device
Energy table pulse carries out detecting the problem that time error is larger.
To achieve the above object, technical scheme provided by the present invention is：
A kind of electric energy meter pulse error detection method, comprises the following steps：
Spread spectrum pulse is set, the first standard electric energy meter pulse for setting quantity, and the second setting are measured with spread spectrum pulse
The tested electric energy meter pulse of quantity；Described first to set quantity and the second ratio set between quantity be standard electric energy meter and quilt
Survey the ratio of electric energy meter meter constant；
The spread spectrum pulse quantity measured more twice, the difference according to spread spectrum pulse quantity determines the mistake of tested electric energy meter
Difference.
Further, the standard electric energy meter and the ratio of tested electric energy meter meter constant are 10.
Further, the frequency of the spread spectrum pulse is 20kHz.
A kind of electric energy meter pulse error detection means, including such as lower module：
Spread spectrum pulse is set, the first standard electric energy meter pulse for setting quantity, and the second setting are measured with spread spectrum pulse
The module of the tested electric energy meter pulse of quantity；Described first to set quantity and the second ratio set between quantity be standard electric energy
The ratio of table and tested electric energy meter meter constant；
The spread spectrum pulse quantity measured more twice, the difference according to spread spectrum pulse quantity determines the error of tested electric energy meter
Module.
Further, the standard electric energy meter and the ratio of tested electric energy meter meter constant are 10.
Further, the frequency of the spread spectrum pulse is 20kHz.
A kind of electric energy meter pulse error detection method provided by the present invention and device, by standard electric energy meter and tested electric energy
The pulse of table respective numbers is converted into the spread spectrum pulse of respective amount, and it is measured using spread spectrum pulse.Due to spread spectrum
The frequency of pulse is high, so precision is also high, the application condition produced when being detected to electric energy meter pulse is small.
Brief description of the drawings
The system that Fig. 1 is applicable by electric energy meter pulse error detection method that embodiment of the method is provided；
The flow chart of the electric energy meter pulse error detection method that Fig. 2 is provided by embodiment of the method.
Specific embodiment
It is above-mentioned to electricity for solving it is an object of the invention to provide a kind of electric energy meter pulse error detection method and device
Energy table pulse carries out detecting the problem that time error is larger.
A kind of electric energy meter pulse error detection method, comprises the following steps：
Spread spectrum pulse is set, the first standard electric energy meter pulse for setting quantity, and the second setting are measured with spread spectrum pulse
The tested electric energy meter pulse of quantity；Described first to set quantity and the second ratio set between quantity be standard electric energy meter and quilt
Survey the ratio of electric energy meter meter constant；
The spread spectrum pulse quantity measured more twice, the difference according to spread spectrum pulse quantity determines the mistake of tested electric energy meter
Difference.
A kind of electric energy meter pulse error detection method provided by the present invention and device, by standard electric energy meter and tested electric energy
The pulse of table respective numbers is converted into the spread spectrum pulse of respective amount, and it is measured using spread spectrum pulse.Due to spread spectrum
The frequency of pulse is high, so precision is also high, the application condition produced when being detected to electric energy meter pulse is small.
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
Embodiment of the method：
The present embodiment provide a kind of electric energy meter pulse error detection method, its applicable system as shown in figure 1, including
Standard electric energy meter pulse input interface, tested electric energy meter pulse input interface, spread spectrum pulse is connected with CPU, CPU to be input into and connect
Mouth, power supply, memory, 485 communicating circuits, enable button and LED display driver circuits, standard electric energy meter pulse input interface are used
In the standard electric energy meter that connection meter constant is 1000, the tested electric energy meter pulse input interface in inner side is for connecting meter constant
100 tested electric energy meter, i.e. standard electric energy meter produce 10 pulse signals to produce 1 pulse signal to be measured with tested electric energy meter
Electric flux it is identical；It is the spread spectrum pulse signal of 20kHz that spread spectrum pulse input interface is used for rate of connections, and LED displays drive electricity
Road is connected with LED charactrons, for showing the testing result to being tested electric energy meter pulse error.
The electric energy meter pulse error detection method that the present embodiment is provided, its flow chart as shown in Fig. 2 specific steps such as
Under：
(1) examination criteria electric energy meter produces the quantity of spread spectrum pulse signal in 10 intervals of pulse；
(2) detect that tested electric energy meter produces the quantity of spread spectrum pulse signal in 1 interval of pulse；
(3) according to the difference of the spread spectrum pulse number of signals detected in step (1) and step (2), tested electricity is conversed
Energy table and the error in dipping of standard electric energy meter, and are transferred to host computer by LED numeral methods out with 485 communicating circuits.
As other embodiment, when being detected to standard electric energy meter and tested electric energy meter, the number of pulses for being detected
Can change accordingly, but ratio between the two is identical with the ratio of tested electric energy meter meter constant with standard electric energy meter.
A kind of electric energy meter pulse error detection method for being provided, the tested electricity of meter constant of standard electric energy meter are originally provided
10 times of the meter constant of energy table；Used as other embodiment, standard electric energy meter can be into it with tested electric energy meter meter constant
His proportionate relationship.
Can be other values as the frequency of other embodiment spread spectrum pulse, however it is necessary that being less than examination criteria electric energy meter
When pulse produced by standard electric energy meter frequency.
Device embodiment
A kind of electric energy meter pulse error detection means, including such as lower module：
Spread spectrum pulse is set, the first standard electric energy meter pulse for setting quantity, and the second setting are measured with spread spectrum pulse
The module of the tested electric energy meter pulse of quantity；Described first to set quantity and the second ratio set between quantity be standard electric energy
The ratio of table and tested electric energy meter meter constant；
The spread spectrum pulse quantity measured more twice, the difference according to spread spectrum pulse quantity determines the error of tested electric energy meter
Module.
A kind of electric energy meter pulse error detection means that the present embodiment is provided, wherein each module is not hardware module, and
It is software module obtained from method according to the method described above provided in embodiment is programmed, operates in corresponding processor
In, it is storable in mobile or fixed-storage device.
Specific embodiment of the present invention is presented above, but the present invention is not limited to described implementation method.
Under the thinking that the present invention is given, using by the way of being readily apparent that to those skilled in the art to the skill in above-described embodiment
Art means enter line translation, replacement, modification, and play a part of with the present invention in relevant art means it is essentially identical, realization
Goal of the invention it is also essentially identical, so formed technical scheme above-described embodiment is finely adjusted to be formed, this technology
Scheme is still fallen within protection scope of the present invention.
Claims (6)
1. a kind of electric energy meter pulse error detection method, it is characterised in that comprise the following steps：
Spread spectrum pulse is set, the first standard electric energy meter pulse for setting quantity, and the second setting quantity are measured with spread spectrum pulse
Tested electric energy meter pulse；Described first sets quantity and the second ratio set between quantity is standard electric energy meter and tested electricity
The ratio of energy table meter constant；
The spread spectrum pulse quantity measured more twice, the difference according to spread spectrum pulse quantity determines the error of tested electric energy meter.
2. a kind of electric energy meter pulse error detection method according to claim 1, it is characterised in that the standard electric energy meter
It is 10 with the ratio of tested electric energy meter meter constant.
3. a kind of electric energy meter pulse error detection method according to claim 1, it is characterised in that the spread spectrum pulse
Frequency is 20kHz.
4. a kind of electric energy meter pulse error detection means, it is characterised in that including such as lower module：
Spread spectrum pulse is set, the first standard electric energy meter pulse for setting quantity, and the second setting quantity are measured with spread spectrum pulse
Tested electric energy meter pulse module；Described first set quantity and the second ratio set between quantity as standard electric energy meter with
The ratio of tested electric energy meter meter constant；
The spread spectrum pulse quantity measured more twice, the difference according to spread spectrum pulse quantity determines the mould of the error of tested electric energy meter
Block.
5. a kind of electric energy meter pulse error detection means according to claim 4, it is characterised in that the standard electric energy meter
It is 10 with the ratio of tested electric energy meter meter constant.
6. a kind of electric energy meter pulse error detection means according to claim 4, it is characterised in that the spread spectrum pulse
Frequency is 20kHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710016163.2A CN106908750A (en) | 2017-01-10 | 2017-01-10 | A kind of electric energy meter pulse error detection method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710016163.2A CN106908750A (en) | 2017-01-10 | 2017-01-10 | A kind of electric energy meter pulse error detection method and device |
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| CN106908750A true CN106908750A (en) | 2017-06-30 |
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| CN201710016163.2A Pending CN106908750A (en) | 2017-01-10 | 2017-01-10 | A kind of electric energy meter pulse error detection method and device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589391A (en) * | 2017-07-27 | 2018-01-16 | 武汉尤瑞卡节能科技有限公司 | A kind of methods, devices and systems for detecting electric power meter global error |
| CN110907886A (en) * | 2019-12-27 | 2020-03-24 | 广东电科院能源技术有限责任公司 | Error detection system and method for electric energy of electric energy meter |
| CN111707983A (en) * | 2020-07-13 | 2020-09-25 | 郑州万特电气股份有限公司 | Method, equipment, system and medium for testing constant of electric energy meter |
| CN112068066A (en) * | 2020-08-14 | 2020-12-11 | 江苏斯菲尔电气股份有限公司 | Electric energy pulse precision detection method |
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| CN101256711A (en) * | 2008-03-13 | 2008-09-03 | 西安理工大学 | Electric power carrier wave remote meter reading method |
| CN101644754A (en) * | 2009-07-07 | 2010-02-10 | 深圳市科陆电子科技股份有限公司 | Calibration console for electric energy meter |
| CN102636769A (en) * | 2012-04-18 | 2012-08-15 | 山东电力研究院 | Error counter for electric energy meter and error counting method |
| CN202393904U (en) * | 2011-11-22 | 2012-08-22 | 辽宁省电力有限公司本溪供电公司 | Error verifying device used for electric energy metering device |
| CN203084184U (en) * | 2012-12-14 | 2013-07-24 | 国家电网公司 | Detection device and system |
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2017
- 2017-01-10 CN CN201710016163.2A patent/CN106908750A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101256711A (en) * | 2008-03-13 | 2008-09-03 | 西安理工大学 | Electric power carrier wave remote meter reading method |
| CN101644754A (en) * | 2009-07-07 | 2010-02-10 | 深圳市科陆电子科技股份有限公司 | Calibration console for electric energy meter |
| CN202393904U (en) * | 2011-11-22 | 2012-08-22 | 辽宁省电力有限公司本溪供电公司 | Error verifying device used for electric energy metering device |
| CN102636769A (en) * | 2012-04-18 | 2012-08-15 | 山东电力研究院 | Error counter for electric energy meter and error counting method |
| CN203084184U (en) * | 2012-12-14 | 2013-07-24 | 国家电网公司 | Detection device and system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589391A (en) * | 2017-07-27 | 2018-01-16 | 武汉尤瑞卡节能科技有限公司 | A kind of methods, devices and systems for detecting electric power meter global error |
| CN110907886A (en) * | 2019-12-27 | 2020-03-24 | 广东电科院能源技术有限责任公司 | Error detection system and method for electric energy of electric energy meter |
| CN111707983A (en) * | 2020-07-13 | 2020-09-25 | 郑州万特电气股份有限公司 | Method, equipment, system and medium for testing constant of electric energy meter |
| CN111707983B (en) * | 2020-07-13 | 2024-03-22 | 郑州万特电气股份有限公司 | Electric energy meter constant test method, equipment, system and medium |
| CN112068066A (en) * | 2020-08-14 | 2020-12-11 | 江苏斯菲尔电气股份有限公司 | Electric energy pulse precision detection method |
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