CN207036924U - Electric energy measurement multilevel iudge device - Google Patents

Electric energy measurement multilevel iudge device Download PDF

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Publication number
CN207036924U
CN207036924U CN201721025249.3U CN201721025249U CN207036924U CN 207036924 U CN207036924 U CN 207036924U CN 201721025249 U CN201721025249 U CN 201721025249U CN 207036924 U CN207036924 U CN 207036924U
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electric energy
multilevel iudge
user
energy measurement
calculating
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郑涵月
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Electric Power Research Institute of State Grid Sichuan Electric Power Co Ltd
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Electric Power Research Institute of State Grid Sichuan Electric Power Co Ltd
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Abstract

The utility model discloses electric energy measurement multilevel iudge device, including for record power plant or the Source of Gateway Meter collector of electric degree total amount that transformer station confesses, gather user terminal total degrees of ammeters user's table collection superposer, calculate comparator, difference display and the alarm that overflows, the Source of Gateway Meter collector is connected by communication line with A/D converter A, and A/D converter A is also connected with calculating comparator simultaneously;User's table collection superposer is connected by communication line with A/D converter B, and A/D converter B is also connected with calculating comparator simultaneously;The calculating comparator is connected with difference display, and difference display is also connected with the alarm that overflows.The utility model passes through said structure, realize to Source of Gateway Meter measure collection and user's table superposition collection data automatic multilevel iudge, obtain whetheing there is leakage electricity stealing, for steal electrical leakage it is larger in the case of can also carry out the alarm that overflows, the artificial calculating wasted time and energy is eliminated, efficiency greatly improves.

Description

Electric energy measurement multilevel iudge device
Technical field
It the utility model is related to electric energy metrical field, and in particular to electric energy measurement multilevel iudge device.
Background technology
In a power supply network, there are transformer, breaker, monitoring and protecting system inside power system;User terminal then have mine, The different types of users such as factory, agriculture filling, business, school, family, to carry out electric energy metrical, existing structure situation such as Fig. 2 institutes Show, in transformer load output, divide two-way to walk, Source of Gateway Meter is accessed through voltage, current transformer all the way, to be confessed in measuring system Amount of electrical power;Another way is connect to user, and user types are various, is had as the left side, is directly powered, and is also had as the right side, subregion The power supply of the pole of one-level two is done, dashed middle line represents there be many family user meters.Each user is equipped with electric energy meter, in each electricity During energy meter number, collector, the power information that each collector collects are equipped with, or through communication apparatus or be transmitted directly to concentrate Kilowatt meter reading-out system, kilowatt meter reading-out system the processing such as are counted, analyzed, being calculated and obtaining user terminal power consumption, but determine whether electric leakage row Needed compare whether gathered data is normal, it is thus found that whetheing there is leakage stealing electricity phenomenon presence, calculating takes by manually calculating for the past When it is laborious, efficiency is low.
In electric energy metrical, though still there is the induction meter of manual metering in the application, more original backwardness, with The development and raising of power management technology, present electron watt-hour meter, paid-type kilowatt-hour meter are large range of to come into operation, and is New kilowatt meter reading-out system to be established, carries out statistics calculating automatically, relatively, Problem judgment etc. creates condition to numeral, but to Source of Gateway Meter How fusion ratio is compared with analysis judges, need discussion and perfection with user's table statistics for record numeral.
Utility model content
Technical problem to be solved in the utility model is to realize to gather Source of Gateway Meter measurement collection and user's table superposition The automatic multilevel iudge of data progress obtains whetheing there is leakage electricity stealing information, and it is an object of the present invention to provide electric energy measurement multilevel iudge device, For steal electrical leakage it is larger in the case of can also carry out the alarm that overflows, eliminate the artificial calculating wasted time and energy, efficiency greatly improves.
The utility model is achieved through the following technical solutions:
Electric energy measurement multilevel iudge device, including for recording power plant or the Source of Gateway Meter of electric degree total amount that transformer station confesses Collector, the user's table for the total degrees of ammeters for gathering user terminal gather superposer, calculate comparator, difference display and the alarm that overflows Device, the Source of Gateway Meter collector are connected by communication line with A/D converter A, and A/D converter A is also connected with calculating simultaneously and compared Device;User's table collection superposer is connected by communication line with A/D converter B, and A/D converter B is also connected with calculating simultaneously Comparator;The calculating comparator is connected with difference display, and difference display is also connected with the alarm that overflows.
Source of Gateway Meter measurement collection and the data of user's table superposition collection, are changed by communication line and respective A/D respectively Device A and A/D converter B carries out A/D conversion process, gives calculate comparator progress mathematic interpolation, the result of calculating, in difference together Shown in value display.At the same time, various regions supply network is calculated to the line loss scope of permission after tested except then setting Alarming value, when exceeding the 1-2% of normal line loss such as difference, that is, start acoustic-optic alarm, prompt supervisor to draw attention, and Reason is further searched for, eliminates as much as counted error amount.If there is leakage electricity stealing suspicion, to further search for, take and arrange Apply, implement rectification and punishment, both ensured the normal earning of power system, and management of power supply and power utilization is more standardized again.
In electric energy metrical, there are induction meter, electron watt-hour meter, paid-type kilowatt-hour meter etc., measuring management level Improve constantly, but the behavior of tax evasion electricity still has, and gimmick becomes more hidden superb.Therefore, using Source of Gateway Meter and user Table statistical comparison method, it is the effective way pinpointed the problems.Calculated now using manual calculation method by following formula:
KWhz=kWh1+kWh2......+kWhn (1)
KWhc=kWhg-kWhz (2)
In formula:
kWh1-n:Sole user's kilowatt-hour meter is numbered;
kWhz:User's table summation electricity;
kWhg:Source of Gateway Meter electricity;
kWhc:Difference electricity;
In (1) formula, kWh1-n is the data that each sole user marks record, and total electricity of user terminal is obtained after being added KWhz is measured, by the formula, the power consumption data statistics of section and its each branch list is got up.
In (2) formula, it is to subtract each other Source of Gateway Meter data kWhg and user's table kWhz sum datas, obtains difference kWhc, adopt With such calculating, it can find that watt metering numerical value has no problem.Above manual method is basis, but original backwardness.
Whether normal this programme compares gathered data without artificial calculating, is stolen to find to whether there is leakage for the data of collection Electrical phenomena is present, but the data for measuring Source of Gateway Meter collection and the collection of user's table superposition are compared using calculating comparator automatically Compared with judgement, obtain difference and shown on difference display, exceed normal line loss for difference, by the alarm equipment alarm that overflows, So as to quickly obtain whetheing there is leakage electricity stealing, the artificial calculating wasted time and energy is eliminated, efficiency greatly improves.
Preferably, the Source of Gateway Meter collector is connected with transformer.Source of Gateway Meter collector is typically mounted at transformer output End, the main task of the table are the electric degree total quantity that power plant or transformer station where record of evaluation confess is how many.Source of Gateway Meter is adopted Storage will typically do periodic check, therefore precision and accuracy are reliable and stable, in addition minimum by external interference, therefore measurement data is accurate It is errorless.
Preferably, the transformer is voltage transformer summation current transformer.
Preferably, the transformer is connected with the transformer of power plant/transformer station.
Preferably, all collectors of user's table collection superposer and user terminal connect.Realize to all user terminals Use the collection of electricity.
One is also connected with each collector or be multiple user terminal electric energy meters.Typically now carry out Every household has an ammeter system, The size of power consumption, it is the foundation of payment, is completed by kilowatt meter reading-out system.Meter reading has what is manually carried out, but existing big and medium-sized cities are universal Long-distance meter-reading system is employed, automatic data collection and transmission power user consumption, and the electricity to being gathered based on this can be carried out Energy datum carries out statistical analysis, greatly improves operating efficiency and regulatory level.
Preferably, the electric energy meter of one or more user terminals is also connected with each collector.
Preferably, multiple user terminal electric energy meters also simultaneously join domain table.
Preferably, the region table is connected with the transformer of power plant/transformer station.
Preferably, the alarm that overflows exceedes the 1-2% of the normal line loss alarm that overflows for difference.
Preferably, user's table collection superposer is integrated transporting discharging adder with calculating comparator.
The utility model compared with prior art, has the following advantages and advantages:
1st, whether normal the utility model compares gathered data, to have found for the data of collection without artificial calculating Exist without leakage stealing electricity phenomenon, but the data for measuring Source of Gateway Meter collection and the collection of user's table superposition are carried out using comparator is calculated Automatic multilevel iudge, obtain difference and shown on difference display, exceed normal line loss for difference, pass through the alarm that overflows Alarm, so as to quickly obtain whetheing there is leakage electricity stealing, the artificial calculating wasted time and energy is eliminated, efficiency greatly improves, also simultaneously Avoid the artificial mistake for calculating and occurring, accuracy height.
2nd, Source of Gateway Meter collector precision and accuracy of the present utility model are reliable and stable, minimum by external interference, measure number According to result accuracy height accurate, that the data collected according to Source of Gateway Meter collector are calculated.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application Part, the restriction to the utility model embodiment is not formed.In the accompanying drawings:
Fig. 1 is the utility model principle block diagram;
Fig. 2 is existing Source of Gateway Meter and user's table and meter reading structural representation.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing, The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this Utility model, it is not intended as to restriction of the present utility model.
Embodiment 1:
As shown in Figure 1-2, the utility model includes electric energy measurement multilevel iudge device, including for recording power plant or change The Source of Gateway Meter collector for the electric degree total amount that power station is confessed, the user's table for the total degrees of ammeters for gathering user terminal gather superposer, calculated Comparator, difference display and the alarm that overflows, the Source of Gateway Meter collector are connected by communication line with A/D converter A, A/ D converters A is also connected with calculating comparator simultaneously;User's table collection superposer is connected by communication line and A/D converter B Connect, A/D converter B is also connected with calculating comparator simultaneously;The calculating comparator is connected with difference display, and difference display is also Connect the alarm that overflows.
Source of Gateway Meter measurement collection and the data of user's table superposition collection, are changed by communication line and respective A/D respectively Device A and A/D converter B carries out A/D conversion process, gives calculate comparator progress mathematic interpolation, the result of calculating, in difference together Shown in value display.At the same time, various regions supply network is calculated to the line loss scope of permission after tested except then setting Alarming value, when exceeding the 1-2% of normal line loss such as difference, that is, start acoustic-optic alarm, prompt supervisor to draw attention, and Reason is further searched for, eliminates as much as counted error amount.If there is leakage electricity stealing suspicion, to further search for, take and arrange Apply, implement rectification and punishment, both ensured the normal earning of power system, and management of power supply and power utilization is more standardized again.
In electric energy metrical, there are induction type electric degree, electron watt-hour meter, paid-type kilowatt-hour meter etc., measuring management level is not It is disconnected to improve, but the behavior of tax evasion electricity still has, and gimmick becomes more hidden superb.Therefore, using Source of Gateway Meter and user's table Statistical comparison method, it is the effective way pinpointed the problems.Calculated now using manual calculation method by following formula:
KWhz=kWh1+kWh2......+kWhn (1)
KWhc=kWhg-kWhz (2)
In formula:
kWh1-n:Sole user's kilowatt-hour meter is numbered;
kWhz:User's table summation electricity;
kWhg:Source of Gateway Meter electricity;
kWhc:Difference electricity;
In (1) formula, kWh1-n is the data that each sole user marks record, and total electricity of user terminal is obtained after being added KWhz is measured, by the formula, the power consumption data statistics of section and its each branch list is got up.
In (2) formula, it is to subtract each other Source of Gateway Meter data kWhg and user's table kWhz sum datas, obtains difference kWhc, adopt With such calculating, it can find that watt metering numerical value has no problem.Above manual method is basis, but original backwardness.
Whether normal this programme compares gathered data without artificial calculating, is stolen to find to whether there is leakage for the data of collection Electrical phenomena is present, but the data for measuring Source of Gateway Meter collection and the collection of user's table superposition are compared using calculating comparator automatically Compared with judgement, obtain difference and shown on difference display, exceed normal line loss for difference, by the alarm equipment alarm that overflows, So as to quickly obtain whetheing there is leakage electricity stealing, the artificial calculating wasted time and energy is eliminated, efficiency greatly improves.
Embodiment 2:
The present embodiment is preferably as follows on the basis of embodiment 1:Source of Gateway Meter collector is connected with transformer.Source of Gateway Meter gathers Device is typically mounted at transformer output end, and the main task of the table is the electric degree that power plant or transformer station where record of evaluation confess Total quantity is how many.Source of Gateway Meter collector will typically do periodic check, therefore precision and accuracy are reliable and stable, in addition dry by the external world Disturb minimum, therefore measurement data is accurate.
The transformer is voltage transformer summation current transformer.
Transformer is connected with the transformer of power plant/transformer station.It is real as the bridge connected between transformer and Source of Gateway Meter The collection of existing data.
All collectors of user's table collection superposer and user terminal connect.Realization uses electricity to all user terminals Collection.
One or more user terminal electric energy meters are also connected with each collector.Typically now carry out Every household has an ammeter system, electricity consumption The size of amount, it is the foundation of payment, is completed by kilowatt meter reading-out system.Meter reading has what is manually carried out, but existing big and medium-sized cities generally use Long-distance meter-reading system, automatic data collection and transmission power user consumption, and the electric flux to being gathered based on this can be carried out Data carry out statistical analysis, greatly improve operating efficiency and regulatory level.
Multiple user terminal electric energy meters also simultaneously join domain table.The subregional one-level of achievement unit, two level etc. are powered.
The region table is connected with the transformer of power plant/transformer station.
The alarm that overflows exceedes the 1-2% of the normal line loss alarm that overflows for difference.
User's table collection superposer is integrated transporting discharging adder with calculating comparator.
Above-described embodiment, the purpose of this utility model, technical scheme and beneficial effect are entered One step describes in detail, should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit Determine the scope of protection of the utility model, it is all within the spirit and principles of the utility model, any modification for being made, equally replace Change, improve, should be included within the scope of protection of the utility model.

Claims (10)

1. electric energy measurement multilevel iudge device, it is characterised in that total including the electric degree for recording power plant or transformer station confesses The Source of Gateway Meter collector of amount, the user's table for the total degrees of ammeters for gathering user terminal gather superposer, calculate comparator, difference display With the alarm that overflows, the Source of Gateway Meter collector is connected by communication line with A/D converter A, and A/D converter A also connects simultaneously Connect calculating comparator;User's table collection superposer is connected by communication line with A/D converter B, and A/D converter B is simultaneously It is also connected with calculating comparator;The calculating comparator is connected with difference display, and difference display is also connected with the alarm that overflows.
2. electric energy measurement multilevel iudge device according to claim 1, it is characterised in that the Source of Gateway Meter collector with mutually Sensor connects.
3. electric energy measurement multilevel iudge device according to claim 2, it is characterised in that the transformer is mutual induction of voltage Device summation current transformer.
4. electric energy measurement multilevel iudge device according to claim 2, it is characterised in that the transformer and power plant/ The transformer connection of transformer station.
5. electric energy measurement multilevel iudge device according to claim 1, it is characterised in that user's table gathers superposer It is connected with all collectors of user terminal.
6. electric energy measurement multilevel iudge device according to claim 5, it is characterised in that be also connected with one on each collector Individual or multiple user terminal electric energy meters.
7. electric energy measurement multilevel iudge device according to claim 6, it is characterised in that multiple user terminal electric energy meters are also same When join domain table.
8. electric energy measurement multilevel iudge device according to claim 7, it is characterised in that the region table and power plant/ The transformer connection of transformer station.
9. electric energy measurement multilevel iudge device according to claim 1, it is characterised in that the alarm that overflows is difference More than the 1-2% of the normal line loss alarm that overflows.
10. electric energy measurement multilevel iudge device according to claim 1, it is characterised in that user's table gathers superposition Device is manual calculating unit/integrated transporting discharging adder/intelligent computer with calculating comparator.
CN201721025249.3U 2017-08-16 2017-08-16 Electric energy measurement multilevel iudge device Active CN207036924U (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107656116A (en) * 2017-09-15 2018-02-02 国网辽宁省电力有限公司锦州供电公司 The important active and standby metering method of Electricity customers kilowatt-hour meter
CN110009252A (en) * 2019-04-15 2019-07-12 科斯睿智能信息系统(常州)有限公司 Wisdom electricity consumption analysis method and system
CN111443305A (en) * 2018-12-27 2020-07-24 贵州中烟工业有限责任公司 Method and device for detecting line fault by using electric energy deviation value

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107656116A (en) * 2017-09-15 2018-02-02 国网辽宁省电力有限公司锦州供电公司 The important active and standby metering method of Electricity customers kilowatt-hour meter
CN111443305A (en) * 2018-12-27 2020-07-24 贵州中烟工业有限责任公司 Method and device for detecting line fault by using electric energy deviation value
CN110009252A (en) * 2019-04-15 2019-07-12 科斯睿智能信息系统(常州)有限公司 Wisdom electricity consumption analysis method and system

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