CN105572620A - Remote tour inspection method of metering device - Google Patents
Remote tour inspection method of metering device Download PDFInfo
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- CN105572620A CN105572620A CN201410529621.9A CN201410529621A CN105572620A CN 105572620 A CN105572620 A CN 105572620A CN 201410529621 A CN201410529621 A CN 201410529621A CN 105572620 A CN105572620 A CN 105572620A
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Abstract
The invention discloses a remote tour inspection method of a metering device. The remote tour inspection method is used for communication with on-site terminals/metering devices of a power supply station by a data acquisition module, and is used for detection of faults, and access of detection data can be realized by a database. The remote tour inspection method is characterized in that a database can be configured by a database interface of a WEB formatting module, and a tour inspection rule can be defined by a customization unit according to the content of the database, and the tour inspection rule is limited in a first predetermined period TE; a real-time data request unit can be used to extract characteristic data of a service unit related to the on-site terminals/ the metering devices from the data acquisition module; the tour inspection motion can be executed according to a second predetermined period TA, and the tour inspection range and the tour inspection rule, which are stored in the WEB formatting module, can be acquired by the database interface, and the tour inspection details can be acquired according to the tour inspection range; the determination result can be generated by a tour inspection rule determining unit according to the tour inspection details, and the tour inspection motion can be executed according to the determined tour inspection rule; the tour inspection result of the data acquisition module can be inquired by a tour inspection result formatting unit according to at least one selected time of the first predetermined period TE; and the tour inspection result and the pattern can be generated according to the characteristic data of every on-site terminal/metering device.
Description
Technical field
The embodiment of the present invention relates to a kind of automatic testing method of measuring apparatus.
Background technology
Measuring apparatus inspection work completes mainly through forms such as head inspection, Zhou Jian, and it is on-the-spot that personnel must arrive electricity consumption, and waste time and energy, the cycle is long, is unfavorable for Timeliness coverage process.Once there is metering misalignment problem, will involve electric quantity compensating, find more late, the relevant amount of money also can be more, and dealing with will more complicated, even needs to be solved by judicial approach.
By the distant measurement data of metering automation system acquisition, long-range the patrolling and examining of measuring apparatus mainly judges that whether situ metrology plant running is normal, comprise wiring and have no problem, whether electric energy meter, mutual inductor etc. normally work, and whether clock is accurate, has change without exception etc.Its method utilizes teledata to call survey together, in conjunction with correlated judgment rule, reaches the object shortening polling period, problem of pinpointing the problems fast, process.Utilities Electric Co. also can realize the Electricity customers limited human input being marked with measurement problem to pass simultaneously, and efficiently and effectively is increased work efficiency.
There is following problem in traditional measuring apparatus routine inspection mode: personnel must arrive scene; Belong to hot line job, work safety be paid special attention to, need the above operation of two people; More to manpower requirement, operating cost is high; Electricity customers power load at that time can affect the reliability of patrolling and examining result; When power load is too small, some patrols and examines result without reference significance; Flow process is complicated, need rely on a lot of professional tool, inefficiency; Although there are perfect rules and regulations, because of inefficiency, cannot fulfil assignment according to rules and regulations, more can not Timeliness coverage metering misalignment problem.
Summary of the invention
The present invention is intended to utilize metering automation system data to call brake together, such as, by phase angles data is converted into field wiring mode, realizes the long-range inspection function of measuring apparatus, and reaching metering misalignment problem can Timeliness coverage, the timely object processed.The long-range inspection function of measuring apparatus can be implemented in (such as) in one day and all measuring apparatus is is all patrolled and examined one time.
Operation Problems existing is patrolled and examined for solving conventional metering, the present invention devises one can meet measuring apparatus head inspection, week inspection requirement, and conscientiously improve the method for operating efficiency, mainly comprise in this scheme: on-site terminal/measuring apparatus, data acquisition module, database, long-range polling module, WEB formatting module, result output module.Wherein data acquisition module comprises: network service, data request service and database interface (; Long-range polling module comprises: in real time
request of data, database interface, plan performance element (33), patrol and examine rule judgment unit (34); WEB formatting module (4) comprising: database interface (41), regular definition unit (42), plan customization units (43) and patrol and examine result formatting unit (44).Result output module (5) comprising: database interface (51) and patrol and examine result export.
Technical scheme 1: the long-range method for inspecting of measuring apparatus, for carrying out communication and detection failure by data acquisition module (1) to power supply station's on-site terminal/measuring apparatus (6), data will be detected accessed by database (2), comprise: configure described database (2) by the database interface (41) of WEB formatting module (4), patrol and examine rule by customization units (43) according to content-defined in database (2), wherein said rule of patrolling and examining is limited to the first predetermined period T
ein; Extracted from the performance data of the interior data request service unit (13) of data acquisition module (1) about on-site terminal/measuring apparatus (6) by real time data request unit (32); According to the second predetermined period T
aaction is patrolled and examined in execution, obtains WEB formatting module (4) scope of patrolling and examining that stores and patrol and examine rule by database interface (31), and obtains according to scope of patrolling and examining and patrol and examine detail; By patrolling and examining rule judgment unit (34) according to patrolling and examining detailed generation judged result, patrol and examine action according to regular execution of patrolling and examining after judging; And by patrolling and examining result formatting unit (44) according to described first predetermined period T
ein at least one seclected time of inquiry result is patrolled and examined to described data acquisition module (1), and generate according to the performance data of each on-site terminal/measuring apparatus (6) and patrol and examine result and figure.
Technical scheme 2: the long-range cruising inspection system of measuring apparatus, comprise the data acquisition module (1) of on-site terminal/measuring apparatus (6) and communication with it, and connect the database (2) of described data acquisition module (1), wherein comprise further: the long-range polling module (3) connecting described data acquisition module (1) and database (2), connect WEB formatting module (4) and the result output module (5) of described database (2), wherein pass through described long-range polling module (3) with the unit that does of powering, with the first predetermined period T that WEB formatting module (4) sets
eautomatic detecting is carried out to the data acquisition module (1) in each power supply station.
In one aspect, according to the long-range cruising inspection system of aforesaid measuring apparatus, wherein: long-range polling module (3) is configured to patrol and examine at random, wherein at described first predetermined period T the data acquisition module (1) in power supply station
ein each power supply station is is once patrolled and examined, after detecting in database (2) that existence has patrolled and examined power supply station, at described first predetermined period T
einside no longer order being patrolled and examined to its generations by WEB formatting module (4), relatively newly patrolling and examining order by searching to generate once with described data acquisition module (1) of having patrolled and examined another power supply station that power supply station is close to.
In one aspect, according to the long-range cruising inspection system of aforesaid measuring apparatus, wherein said WEB formatting module (4) comprising: for configuring the database interface (41) of described database (2); Customization units (43), patrols and examines rule according to content-defined in database (2); Rule definition unit (42), patrols and examines order according to defined patrolling and examining described in generate rule; And patrol and examine result formatting unit (44), be configured to according to described first predetermined period T
ein at least one seclected time of inquiry result is patrolled and examined to described data acquisition module (1), and generate according to the performance data of each on-site terminal/measuring apparatus (6) and patrol and examine result and figure.
In one aspect, according to the long-range cruising inspection system of aforesaid measuring apparatus, wherein said long-range polling module (3) comprising: real time data request unit (32), for extracting from the performance data of the interior data request service unit (13) of data acquisition module (1) about on-site terminal/measuring apparatus (6); For configuring the database interface (31) of described database (2); Performance element (33), is configured to according to the second predetermined period T
aaction is patrolled and examined in execution, obtains WEB formatting module (4) scope of patrolling and examining that stores and patrol and examine rule by database interface (31), and obtains according to scope of patrolling and examining and patrol and examine detail; And patrol and examine rule judgment unit (34), according to patrolling and examining detailed generation judged result, patrol and examine action according to the rule execution of patrolling and examining after judging.
In one aspect, according to the long-range cruising inspection system of aforesaid measuring apparatus, wherein said performance data comprises electric current reversed polarity data or the electric current negative phase sequence data of measurement loop.
In yet another aspect, according to the long-range cruising inspection system of aforesaid measuring apparatus, wherein said performance data comprises phase angles data.
In yet another aspect, according to the long-range cruising inspection system of aforesaid measuring apparatus, wherein said performance data comprises voltage, the current anomaly performance data of measurement loop.
In one aspect, according to the long-range cruising inspection system of aforesaid measuring apparatus, wherein said performance data comprises ammeter error in dipping in measurement loop.
In yet another aspect, according to the long-range cruising inspection system of aforesaid measuring apparatus, wherein said performance data comprises the clock of equipment in measurement loop.
In one aspect, according to the long-range cruising inspection system of aforesaid measuring apparatus, wherein said performance data comprises ammeter status word in measurement loop.
Accompanying drawing explanation
Fig. 1 practicality shows the structure function block diagram of a preferred example of cruising inspection system.
Embodiment
As shown in Figure 1, the long-range cruising inspection system of measuring apparatus comprises the data acquisition module 1 of on-site terminal/measuring apparatus 6 and communication with it, and connect the database 2 of described data acquisition module 1, wherein comprise the long-range polling module 3 connecting described data acquisition module 1 and database 2 further, connect WEB formatting module 4 and the result output module 5 of described database 2, wherein to be done unit with power supply by described long-range polling module 3, the first predetermined period T set with WEB formatting module 4
eautomatic detecting is carried out to the data acquisition module 1 in each power supply station.Wherein data acquisition module comprises network service 11, data request service 13 and database interface 12; Long-range polling module 3 comprises real time data request 32, database interface 31, plan performance element 33, patrols and examines rule judgment unit 34; WEB formatting module 4 comprises database interface 41, regular definition unit 42, customization units 43 and patrols and examines result formatting unit 44.Result output module 5 comprises database interface 51 and patrols and examines result output.
According to the long-range cruising inspection system of aforesaid measuring apparatus, wherein said WEB formatting module 4 comprises: for configuring the database interface 41 of described database 2; Customization units 43, patrols and examines rule according to content-defined in database 2; Rule definition unit 42, patrols and examines order according to defined patrolling and examining described in generate rule; And patrol and examine result formatting unit 44, be configured to according to described first predetermined period T
ein at least one seclected time of inquiry result is patrolled and examined to described data acquisition module 1, and generate according to the performance data of each on-site terminal/measuring apparatus 6 and patrol and examine result and figure.
rule is patrolled and examined in definition:by WEB formatting module 4, patrol and examine rule by the definition of regular definition unit 42, that patrols and examines that rule comprises system support patrols and examines item, and need to perform patrol and examine item and respectively patrol and examine a threshold values etc.; The check item supported comprises following content: 1) measurement loop inspection (comprising picture hexagonal figure) (reversed polarity inspection comprises single-phase reversed polarity and two opposite polarities); 2) electric current and voltage follow-up for anomaly; 3) electric energy meter error in dipping checks (do not have acquisition terminal table code or terminal and ammeter non-man-to-man except); 4) clock of power meter inspection; 5) electric energy meter status word checks (shielding power factor is defective and traffic overload abnormal); 6) electric energy meter battery checks; 7) reasonalbeness check is measured: judge that whether CT no-load voltage ratio is reasonable according to the three-phase current of the peak load time of origin of patrolling and examining the last week on date.Judgment rule is: acquiescence current rating is 5A, thinks that metering is unreasonable when selected three-phase electricity flow valuve is all less than 5% of load current value, otherwise thinks that metering rationally; 8) power factor inspection: call together in real time when patrolling and examining and read current total power factor value, thinks that when total power factor value is less than or equal to 0.5 power factor is abnormal.Think normal when calling reading failure together or call together and read invalid data; 9) multifunctional meter function calibrating: look-up table code each rate sum compares with total, if absolute difference >1, then think that function calibrating is not passed through, this stoichiometric point can be inquired about in nearest one week with or without table code anomalous event " each rate sum unequal to is total " event during specific implementation, if have, think that function calibrating is not passed through, if without, pass through with examining and determine; 10) voltage data inspection: judge that data used and measurement loop check data consistent used, thinks this voltage data acquisition abnormity when finding that the ceiling voltage in three-phase voltage is greater than 300V, by this stoichiometric point record; 11) moon maximum demand check: abnormal Rule of judgment: the moon maximum demand one sub-value be greater than user's charging capacity, it is 1 that threshold values is fixed tentatively.
rule is patrolled and examined in definition:wEB formatting module 4 needs to define patrol plan by plan customization units 43 according to operation.Patrol plan comprises the cycle of patrolling and examining, and within the single cycle every day patrol and examine scope, can obtain according to this scope plan performance element 33 and patrol and examine detail.
rule is patrolled and examined in execution:timing every day of long-range polling module 3 performs patrol plan, plan performance element 33 is obtained by database interface 31 and patrols and examines scope and patrol and examine rule, and patrol and examine detail according to patrolling and examining scope acquisition, patrol and examine one by one patrolling and examining detail by patrolling and examining rule, the data that patrolling and examining in process needs to use are obtained by database interface 31 or are obtained by request of data unit 32.The data input got is patrolled and examined rule judgment unit 34 and returns judged result, finally patrols and examines result warehousing by what gather.
result queries:wEB formatting module 4 patrols and examines result according to a selected time inquiring polling period patrolling and examining result formatting unit 44, can check each measuring apparatus and patrol and examine result and draw hexagonal figure, staff can patrol and examine result according to the content check of format, and patrolling and examining result can derive, print;
result exports:because metering automation system itself does not have the function of workflow management, be therefore that abnormal metering dress will output to marketing system start flow and processes to patrolling and examining result.Result output module 5 timing every day is obtained by database interface 51 patrols and examines result extremely, and sends to marketing system by patrolling and examining result service.
As described above, the long-range inspection function of measuring apparatus utilizes teledata to call survey together, in conjunction with correlated judgment rule, reaches the object shortening polling period, problem of pinpointing the problems fast, process.Utilities Electric Co. also can realize the Electricity customers limited human input being marked with measurement problem to pass simultaneously, and efficiently and effectively is increased work efficiency.
According to the long-range cruising inspection system of aforesaid measuring apparatus, wherein said long-range polling module 3 comprises: real time data request unit 32, for extracting from data request service unit 13 in data acquisition module 1 about the performance data of on-site terminal/measuring apparatus 6;
For configuring the database interface 31 of described database 2; Performance element 33, is configured to according to the second predetermined period T
aaction is patrolled and examined in execution, obtains the scope of patrolling and examining of WEB formatting module 4 storage and patrol and examine rule by database interface 31, and patrols and examines detail according to patrolling and examining scope acquisition; And patrol and examine rule judgment unit 34, according to patrolling and examining detailed generation judged result, patrol and examine action according to the rule execution of patrolling and examining after judging.
According to the long-range cruising inspection system of aforesaid measuring apparatus, wherein said performance data comprises electric current reversed polarity data or the electric current negative phase sequence data of measurement loop.Get predetermined period T
e, such as, in one week continuous three time point place A, B, C three-phase distant measurement data during certain day load peak secondary side values such as () electric current, voltage, power carry out reversed polarity inspection, when meeting relational expression:
I
a>0.25I
b>0.25I
c>0.25, and P
a>0.001P
b>0.001P
ccarry out following judgement during >0.001, otherwise think that wiring is correct
, or
, or
, wherein when thinking field wiring mistake more than meeting during a condition.On the other hand, when the mode of connection is phase three-wire three at the I that satisfies condition
a>0.25I
c>0.25, and P
a>0.001P
ctwo opposite polarity judgements are carried out, when satisfying condition during >0.001
, or
time think field wiring mistake.
According to the long-range cruising inspection system of aforesaid measuring apparatus, wherein said performance data comprises phase angles data.Current general technology cannot collect ammeter phasing degree, only replaces with terminal phasing degree, and metering automation system is by timing acquiring task acquisition terminal phasing degree.In a preferred example, when the mode of connection is phase three-wire three, with U
aB/ U
afor phase reference value, U
cB/ U
cphasing degree is with U
aB/ U
afor phase reference value, the phasing degree according to system acquisition draws U successively
cB, I
a, I
bdeng vector.On the other hand, when the mode of connection is three-phase and four-line, with U
afor benchmark, the phasing degree according to system acquisition draws U successively
b, U
c, I
a, I
b, I
cdeng vector.
Because common port cannot be identified from the data gathered in general technology, also the on-the-spot mode of connection cannot be derived theoretically, therefore the present embodiment adopts data reverse method, summary and induction data rule from experimental data, form a judgment rule, wherein consider the unbalancedness based on inductive load (Φ: 0 ~ 60) and load thereof under Electricity customers production environment.
According to the long-range cruising inspection system of aforesaid measuring apparatus, wherein said performance data comprises voltage, the current anomaly performance data of measurement loop.For each stoichiometric point, if in the voltage data of the ammeter gathered in a week, have 96 voltage datas to be less than 70% of load voltage value, then think abnormal.This type of is for the data analysis gathered, and mainly for protective tube loose contact, terminal are not timely, alert event is fed back the situations such as main website (needing when three-phase voltage sometime, electric current are 0 simultaneously to filter).On the other hand, for each stoichiometric point, if in the current data gathered in a week, whole current data of a certain phase are less than 0.02 and the current data of two-phase or a phase is greater than 0.5 ampere in addition, then form electric current defluidization event (to need when three-phase voltage sometime, electric current are 0 simultaneously to filter, if during PT no-load voltage ratio >1, do not need to judge B phase current; And in this period, forward meritorious table code is not as having good luck, and filters this stoichiometric point).
According to the long-range cruising inspection system of aforesaid measuring apparatus, wherein said performance data comprises ammeter error in dipping in measurement loop.Negative control terminal is compared as subtabulation and ammeter electricity, with the second predetermined period T
afor unit, such as one day, when the difference of both electricity reaches certain proportion, think that electricity is abnormal.Concrete Rule of judgment is: within this cycle, electricity rate measure when electricity and the corresponding ammeter of negative control terminal metering is 10% and above and terminal meter electricity is greater than 1000KWh, (the electricity calculating of terminal or ammeter will be rejected and be changed the situation such as table, floating calculating, manual entry).Get electricity last month of patrolling and examining the date to compare.Meet computing formula:
(terminal power I
tER-ammeter electricity I
mET)/ammeter electricity I
mET100%.When the corresponding multiple ammeter of a terminal, because confirming that terminal and which electric energy meter are identical measurement loops, so the situation of kind acquiescence is normal.
According to the long-range cruising inspection system of aforesaid measuring apparatus, wherein said performance data comprises the clock of equipment in measurement loop.Judge that clock is whether normal according to the overproof event of the clock of power meter of nearest a week, and the overproof amount of recording clock, when terminal clock can be carried out pair by main website every day, so acquiescence terminal clock is correct.By the overproof alarm event of the clock of power meter of terminal to report, can bit clock electric energy meter devious, compare alarm event subsidiary terminal time and ammeter time, can by clock of power meter deviation specific to minute.
According to the long-range cruising inspection system of aforesaid measuring apparatus, wherein said performance data comprises ammeter status word in measurement loop.Call together in real time and read electric energy meter status word, and judge that whether status word is normal according to status word content.Status word judgment rule is as following table:
，
Status word follow-up for anomaly will shield the exceptions such as the defective traffic overload of power factor.
Claims (8)
1. the long-range method for inspecting of measuring apparatus, for carrying out communication and detection failure by data acquisition module (1) to power supply station's on-site terminal/measuring apparatus (6), will be detected data and being accessed by database (2), and it is characterized in that comprising:
Configure described database (2) by the database interface (41) of WEB display module (4), patrol and examine rule by customization units (43) according to content-defined in database (2), wherein said rule of patrolling and examining is limited to the first predetermined period T
ein;
Extracted from the performance data of the interior data request service unit (13) of data acquisition module (1) about on-site terminal/measuring apparatus (6) by real time data request unit (32);
According to the second predetermined period T
aaction is patrolled and examined in execution, obtains WEB display module (4) scope of patrolling and examining that stores and patrol and examine rule by database interface (31), and obtains according to scope of patrolling and examining and patrol and examine detail;
By patrolling and examining rule judgment unit (34) according to patrolling and examining detailed generation judged result, patrol and examine action according to regular execution of patrolling and examining after judging; And
By patrolling and examining result formatting unit (44) according to described first predetermined period T
ein at least one seclected time of inquiry result is patrolled and examined to described data acquisition module (1), and generate according to the performance data of each on-site terminal/measuring apparatus (6) and patrol and examine result and figure.
2. the long-range method for inspecting of measuring apparatus according to claim 1, is characterized in that comprising further: patrolled and examined at random, wherein at described first predetermined period T the data acquisition module (1) in power supply station by long-range polling module (3)
ein each power supply station is is once patrolled and examined, after detecting in database (2) that existence has patrolled and examined power supply station, at described first predetermined period T
einside no longer order being patrolled and examined to its generations by WEB display module (4), relatively newly patrolling and examining order by searching to generate once with described data acquisition module (1) of having patrolled and examined another power supply station that power supply station is close to.
3. the long-range cruising inspection system of measuring apparatus according to claim 1, is characterized in that: described performance data comprises electric current reversed polarity data or the electric current negative phase sequence data of measurement loop.
4. the long-range cruising inspection system of measuring apparatus according to claim 1, is characterized in that: described performance data comprises phase angles data.
5. the long-range cruising inspection system of measuring apparatus according to claim 1, is characterized in that: described performance data comprises voltage, the current anomaly performance data of measurement loop.
6. the long-range cruising inspection system of measuring apparatus according to claim 1, is characterized in that: described performance data comprises ammeter error in dipping in measurement loop.
7. the long-range cruising inspection system of measuring apparatus according to claim 1, is characterized in that: described performance data comprises the clock of equipment in measurement loop.
8. the long-range cruising inspection system of measuring apparatus according to claim 1, is characterized in that: described performance data comprises ammeter status word in measurement loop.
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| CN105572620B (en) | 2018-06-08 |
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