CN106291086A - A kind of electric energy meter metering abnormality detection and restoration methods - Google Patents
A kind of electric energy meter metering abnormality detection and restoration methods Download PDFInfo
- Publication number
- CN106291086A CN106291086A CN201610625532.3A CN201610625532A CN106291086A CN 106291086 A CN106291086 A CN 106291086A CN 201610625532 A CN201610625532 A CN 201610625532A CN 106291086 A CN106291086 A CN 106291086A
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- abnormality detection
- metering
- electric energy
- energy meter
- timing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
- G01R22/068—Arrangements for indicating or signaling faults
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a kind of electric energy meter metering abnormality detection and restoration methods, including step in detail below: open abnormality detection when electric energy meter power-on, electric energy meter enters timing abnormality detection state；The first detection computation chip output voltage to controller, when described output voltage is more than threshold values, resets frequency of abnormity, enters timing abnormality detection next time at regular intervals, otherwise adds up frequency of abnormity；Then judge that accumulative frequency of abnormity, whether more than limit value, is that then controller controls reset metering circuit, gets rid of metering core metering abnormal, enter timing abnormality detection next time the most at regular intervals；By the magnitude of voltage of the output voltage that the communication of timing detection computation chip with controller is formed, judge that the metering circuit of computation chip the most normally works, when output voltage is consistently less than threshold values in the timing detection of certain time, it is determined that abnormal for metering, start and control to reset, fix a breakdown.
Description
Technical field
The present invention relates to a kind of electric energy meter metering abnormality detection and restoration methods.
Background technology
If intelligent electric energy meter breaks down in running and generally will not be found in time, check meter in collection and find metering
The feedback broken down just can be obtained when data are wrong or manual site checks.Therefore, electric energy meter how is allowed to possess fault self-checking
The self-inspection of function, particularly metering fault to fix a breakdown be that current electric energy meter producer suffers from a problem that.
Summary of the invention
The technical problem to be solved is to provide a kind of electric energy meter metering abnormality detection and restoration methods, it is possible to make
Electric energy meter self-inspection, and detecting that electric energy meter is restored after abnormal in time.
The present invention solves the technical scheme that above-mentioned technical problem used: a kind of electric energy meter metering abnormality detection and recovery
Method, including step in detail below:
Open abnormality detection when electric energy meter power-on, electric energy meter enters timing abnormality detection state；
The first detection computation chip output voltage to controller, when described output voltage is more than threshold values, resets frequency of abnormity, often
Enter timing abnormality detection next time every certain time, otherwise add up frequency of abnormity；Then judge that accumulative frequency of abnormity is the biggest
In limit value, it is that then controller controls metering circuit reset, gets rid of metering core metering abnormal, enter next the most at regular intervals
Secondary timing abnormality detection.
As preferably, the threshold values of described output voltage is 5V.The regularly time interval at regular intervals of abnormality detection
For half an hour, described limit value is 48 times.
Compared with prior art, it is an advantage of the current invention that to be formed by the communication of timing detection computation chip with controller
The magnitude of voltage of output voltage, judge that the metering circuit of computation chip the most normally works, the timing in certain time detects
When middle output voltage is consistently less than threshold values, it is determined that abnormal for metering, starts and control to reset, fix a breakdown.
As improvement, when metering circuit resets unsuccessfully, controller controls buzzer buzzing or backlight flicker is reported to the police.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail.
This preferred embodiment is a kind of electric energy meter metering abnormality detection and restoration methods, including step in detail below: at electricity
Can open abnormality detection during table energising, electric energy meter enters timing abnormality detection state；First detection defeated to controller of computation chip
Go out voltage, when described output voltage is more than threshold values, reset frequency of abnormity, enter the abnormal inspection of timing next time at regular intervals
Survey, otherwise add up frequency of abnormity；Then judge that accumulative frequency of abnormity, whether more than limit value, is that then controller controls metering circuit again
Position, gets rid of metering core metering abnormal, enters timing abnormality detection next time the most at regular intervals.
In the present embodiment, the threshold values of output voltage is 5V.The regularly time interval at regular intervals of abnormality detection
For half an hour, limit value is 48 times, i.e. computation chip is consistently less than 5V to the output voltage of controller in the timing of a day detects.
Owing to computation chip and controller have common power supply input, when electric energy meter system is really in properly functioning situation
Under, in logic it is unlikely that, the voltage that computation chip is read by controller is 0, say, that when this happens, go out
Showed metering abnormal, when controller detect this abnormal time, metering circuit can be controlled and reset, get rid of metering abnormal.Typically
In the case of electric energy meter system is properly functioning, computation chip is more than 5V to the output voltage of controller.When metering circuit resets
During failure, controller controls buzzer buzzing or backlight flicker is reported to the police, or sends upper monitoring machine to by communication interface, with
Just electric power maintenance personnel find fault in time, retrieve a loss.
Claims (4)
1. electric energy meter metering abnormality detection and restoration methods, it is characterised in that include step in detail below:
Open abnormality detection when electric energy meter power-on, electric energy meter enters timing abnormality detection state；
The first detection computation chip output voltage to controller, when described output voltage is more than threshold values, resets frequency of abnormity, often
Enter timing abnormality detection next time every certain time, otherwise add up frequency of abnormity；
Then judge that accumulative frequency of abnormity, whether more than limit value, is that then controller controls metering circuit reset, gets rid of metering core meter
Amount is abnormal, enters timing abnormality detection next time the most at regular intervals.
A kind of electric energy meter metering abnormality detection the most according to claim 1 and restoration methods, it is characterised in that: described output
The threshold values of voltage is 5V.
A kind of electric energy meter metering abnormality detection the most according to claim 2 and restoration methods, it is characterised in that: timing is abnormal
The time interval at regular intervals of detection is half an hour, and described limit value is 48 times.
A kind of electric energy meter metering abnormality detection the most according to claim 1 and restoration methods, it is characterised in that: when metering electricity
When road resets unsuccessfully, controller controls buzzer buzzing or backlight flicker is reported to the police.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610625532.3A CN106291086A (en) | 2016-08-03 | 2016-08-03 | A kind of electric energy meter metering abnormality detection and restoration methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610625532.3A CN106291086A (en) | 2016-08-03 | 2016-08-03 | A kind of electric energy meter metering abnormality detection and restoration methods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106291086A true CN106291086A (en) | 2017-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610625532.3A Pending CN106291086A (en) | 2016-08-03 | 2016-08-03 | A kind of electric energy meter metering abnormality detection and restoration methods |
Country Status (1)
| Country | Link |
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| CN (1) | CN106291086A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106851149A (en) * | 2017-02-13 | 2017-06-13 | 广州视源电子科技股份有限公司 | The repositioning method and resetting means of display device |
| CN109238337A (en) * | 2018-09-18 | 2019-01-18 | 中国电力科学研究院有限公司 | A kind of metering aggregate-value segmentation of measuring equipment summarizes abnormality judgment method and system |
| CN109655782A (en) * | 2019-01-23 | 2019-04-19 | 宁波三星医疗电气股份有限公司 | A kind of three-phase electric energy meter wiring exception self checking method and system |
| CN110780725A (en) * | 2019-10-25 | 2020-02-11 | 宁波三星医疗电气股份有限公司 | Method for determining timing reset time and related device |
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| CN110780725B (en) * | 2019-10-25 | 2021-04-27 | 宁波三星医疗电气股份有限公司 | Method for determining timing reset time and related device |
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Application publication date: 20170104 |
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| RJ01 | Rejection of invention patent application after publication |