CN108957079A - A kind of electricity filching detector and its application method - Google Patents
A kind of electricity filching detector and its application method Download PDFInfo
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- CN108957079A CN108957079A CN201811181616.8A CN201811181616A CN108957079A CN 108957079 A CN108957079 A CN 108957079A CN 201811181616 A CN201811181616 A CN 201811181616A CN 108957079 A CN108957079 A CN 108957079A
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- 230000005611 electricity Effects 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000005259 measurement Methods 0.000 claims abstract description 43
- 238000000605 extraction Methods 0.000 claims abstract description 18
- 238000007689 inspection Methods 0.000 claims abstract description 12
- 239000011810 insulating material Substances 0.000 claims description 5
- 238000001514 detection method Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 101100236764 Caenorhabditis elegans mcu-1 gene Proteins 0.000 description 5
- 238000005266 casting Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/24—Arrangements for avoiding or indicating fraudulent use
Abstract
The present invention relates to a kind of electricity filching detector and its application methods, belong to stealing detection technique field.Technical solution is: inverted U-shaped Rogowski coil (1) is hung over outside power consumer on the 10kV route of house lead in, the electric current on 10kV route measured by measurement end, and it is wirelessly transmitted to data receiver, data receiver compares electric current on the 10kV route measured with power supply enterprise's electricity with the secondary current on extraction system backstage；If the two electric current is not inconsistent, it will be able to confirm that there may be electricity stealings for the power consumer.The beneficial effects of the present invention are: being compared with power supply enterprise's electricity with the secondary current on extraction system backstage by measurement user 10kV line current, confirm the user whether stealing, then the measures such as inspection comprehensively are targetedly taken, stealing evidence is locked, avoids the inspection for the formula of looking for a needle in a haystack；The present invention is easy to use, and for various stealing modes, detection is accurate.
Description
Technical field
The present invention relates to a kind of electricity filching detector and its application methods, belong to stealing detection technique field.
Background technique
Reducing line loss is that power supply enterprise reduces one of loss, the effective measures increased economic efficiency.Power supply station's 10kV line loss
Higher is caused by factors, in which: power load is big, conductor cross-section is small, radius of electricity supply is long, the big load of tip, idle benefit
Repay that insufficient, highly energy-consuming distribution transforming is more, high for being one of many reasons mostly low meter user, but the unexpected raised improper line of power supply enterprise
Caused by damage is often rampant stealing.Power supply enterprise power utility check personnel have summed up some common stealing electricity methods: some
Rural area low-voltage customer changes the wiring of table tail, around the method stealing of more electric energy meter using private；Some users are using borrow zero curve
Mode stealing；Some users stealing in such a way that low-voltage circuit upper hook connects electricity.Some enterprises are direct from step down side
Wiring, around more electric energy meter；The mode stealing of meter wiring is changed using private game clock lid by some enterprises；Some enterprise's replacements
Current transformer nameplate is changed to small no-load voltage ratio nameplate by current mutual inductor with high transforming ratio；Short circuit current mutual inductor before some enterprise tables
Secondary circuit stealing.These above-mentioned stealing modes are not difficult to resolve by the inspection method accumulated in power utility check personnel's routine work
Certainly；With being constantly progressive for science and technology, the electricity filching means of some high professional qualifications are applied to factory's stealing, have extremely strong hidden
Property and anti-reconnaissance capability；Such as: using the method for remote control stealing, just allow the saturating brains of power utility check personnel wound.So-called remote control is stolen
Method for electrically is exactly that electricity filching person installs a set of remote control device in electrical energy measurement circuit, as soon as pressing remote controler when stealing, can pass through distant
Device is controlled, short circuit of current loop is made before electric energy meter, makes the current distributing in circuit, electric energy meter is caused to lack quantity calculation or disregard electricity
Amount, to achieve the purpose that stealing.Power utility check personnel are to when factory's routine inspection, as long as the electricity filching person one waited for already is by distant
Device is controlled, electric energy meter can restore normal.Power utility check personnel are difficult to send out at the scene by conventional inspection apparatus and detection methods
Existing stealing trace, power utility check personnel only overhaul subscribers' line and electric energy meter comprehensively, can just find stealing card
According to；If it is comprehensively thorough that power utility check personnel are also impossible to whole continual progress of users without clue and related evidence
It checks, finds the related evidence of user's stealing, be the key that effective prevention electricity stealing.
Summary of the invention
It is an object of the present invention to provide a kind of electricity filching detector and its application method, by measurement user 10kV line current with
Power supply enterprise's electricity is compared with the secondary current on extraction system backstage, confirm the user whether stealing, then take comprehensively
The measures such as inspection lock stealing evidence, and the present invention is easy to use, and for various stealing modes, detection is accurate, efficiently solve
The above problem present in background technique.
The technical scheme is that
A kind of electricity filching detector is made of the measurement end and data receiver being mutually matched, and measurement end includes measurement end housing, electricity
Source one, Rogowski coil, integral amplifier, AD converter, MCU mono- and wireless transceiver one, Rogowski coil, integral amplifier, AD
Converter, MCU mono- and wireless transceiver one are sequentially connected, power supply one, integral amplifier, AD converter, MCU mono- and wireless receiving and dispatching
For the setting of device one in measurement end housing, the Rogowski coil is generally inverted U-shaped, and downwardly open, outside coats insulating materials；U
The Rogowski coil of shape, wherein one end be vertically set on measurement end housing on, the other end formed fall U it is hook-shaped；
The data receiver, comprising receiving end housing, MCU bis-, wireless transceiver two, display screen, power supply two and key, MCU
Two, wireless transceiver two and the setting of power supply two are receiving in end housing, and display screen and key are arranged in receiving end case surface；Nothing
Line transceiver two, display screen and key are connect with MCU bis- respectively；Wireless transceiver two and wireless transceiver one are wirelessly
Connection.
The wireless transceiver two, in addition to wirelessly being connect with wireless transceiver one, also with power supply enterprise's electricity
It is wirelessly connected with extraction system, MCU bis- is by the data of wireless transceiver one and power supply enterprise's electricity extraction system data
It is compared, shows on a display screen.
The Rogowski coil penetrates one and curves in inverted U-shaped PVC insulation tube, carries out casting by resin and is linked together；
Wherein one end penetrates in measurement end housing, and carries out casting with resin and be linked together.
The power supply one and power supply two are battery；The measurement end housing is equipped with power switch, with internal power supply
Circuit connection, and it is equipped with power supply indicator and charging jack；The measurement end housing is equipped with antenna one, with internal wireless receipts
Device one is sent out to connect.It receives and is also correspondingly provided with switch, indicator light and antenna two on end housing, antenna two and wireless transceiver two connect
It connects.
Battery involved in the present invention, Rogowski coil, integral amplifier, AD converter, MCU and wireless transceiver, antenna,
Power switch etc. is public component, there is sale in the market, and Rogowski coil is needed according to present patent application
It is required that carrying out inverted U-shaped processing and outside cladding insulating materials.
A kind of application method of electricity filching detector, comprises the following steps:
Power utility check personnel in the case where power consumer is unaware of, by inverted U-shaped Rogowski coil hang over outside power consumer into
On the 10kV route at family, the electric current on 10kV route measured by measurement end, and it is wirelessly transmitted to data receiver, electricity consumption
Electric current on the 10kV route measured and power supply enterprise's electricity are by inspection personnel's handheld data receiving end, data receiver with adopting
Secondary current on system backstage compares；If the two electric current is consistent, turning out the power consumer is normal electricity consumption；If two
Person's electric current is not inconsistent, it will be able to confirm that there may be electricity stealings for the power consumer.
Using present invention determine that power utility check personnel can be targeted there may be after the power consumer of electricity stealing
To comprehensively there may be electricity stealing power consumers to be checked.(in actual operation, by there may be electricity stealing electricity
Power user is checked that power utility check personnel have found stealing evidence comprehensively)
By power utility check, personnel on site is tested, and has been discovered and seized electricity filching person and has been installed remote control in electric energy meter and in secondary wiring terminals row
Electricity filching device, it is thus identified that the stealing electricity method of power consumer.
The beneficial effects of the present invention are: passing through measurement user 10kV line current and power supply enterprise's electricity extraction system backstage
On secondary current compare, confirm the user whether stealing, then targetedly take comprehensively inspection etc. measures, locking
Stealing evidence avoids the inspection for the formula of looking for a needle in a haystack；The present invention is easy to use, and for various stealing modes, detection is accurate.
Detailed description of the invention
Fig. 1 is measurement end external structure schematic diagram of the embodiment of the present invention；
Fig. 2 is measurement end of embodiment of the present invention partial view；
Fig. 3 is data receiver of embodiment of the present invention external structure schematic diagram；
Fig. 4 is measurement end of embodiment of the present invention schematic diagram of internal structure；
Fig. 5 is data receiver of embodiment of the present invention schematic diagram of internal structure；
In figure: Rogowski coil 1, integral amplifier 2, AD converter 3, MCU 1, wireless transceiver 1.Measure end housing 6, electricity
Source switch 7, power supply indicator 8, power supply 1, antenna 1, MCU 2 11, wireless transceiver 2 12, display screen 13, power supply two
14, key 15, antenna 2 16, charging jack 17, reception end housing 18.
Specific embodiment
Below in conjunction with attached drawing, the invention is further illustrated by the examples.
A kind of electricity filching detector is made of the measurement end and data receiver being mutually matched, and measurement end includes outside measurement end
Shell 6, power supply 1, Rogowski coil 1, integral amplifier 2, AD converter 3, MCU 1 and wireless transceiver 1, Rogowski coil 1,
Integral amplifier 2, AD converter 3, MCU 1 and wireless transceiver 1 are sequentially connected, and power supply 1, integral amplifier 2, AD turn
Parallel operation 3, MCU 1 and the setting of wireless transceiver 1 are in measurement end housing 6, and the Rogowski coil 1 is generally inverted U-shaped, downwards
Opening, outside coat insulating materials；Inverted U-shaped Rogowski coil 1, wherein one end is vertically set on measurement end housing 6, the other end
Formed fall U it is hook-shaped；
The data receiver, comprising receiving end housing 18, MCU 2 11, wireless transceiver 2 12, display screen 13, power supply 2 14
With key 15, MCU 2 11, wireless transceiver 2 12 and the setting of power supply 2 14 are being received in end housing 18, display screen 13 and key
15 settings are receiving 18 surface of end housing；Wireless transceiver 2 12, display screen 13 and key 15 are connect with MCU 2 11 respectively；Nothing
Line transceiver 2 12 is wirelessly connect with wireless transceiver 1.
The wireless transceiver 2 12, it is also electric with power supply enterprise in addition to wirelessly being connect with wireless transceiver 1
Amount is wirelessly connected with extraction system, and MCU 2 11 is by the data of wireless transceiver 1 and power supply enterprise's electricity extraction system
Data are compared, and are shown on a display screen.
The power supply 1 and power supply 2 14 are battery；The measurement end housing 6 is equipped with power switch 7, with inside
Power circuit connection, and it is equipped with power supply indicator 8 and charging jack 17；The measurement end housing 6 is equipped with antenna 1, and interior
The wireless transceiver 1 in portion connects.It receives and is also correspondingly provided with switch, indicator light and antenna 2 16, antenna 2 16 on end housing 18
It is connect with wireless transceiver 2 12.
The Rogowski coil 1 penetrates one and curves in inverted U-shaped PVC insulation tube, carries out casting by resin and is linked as one
Body；Wherein one end penetrates in measurement end housing 6, and carries out casting with resin and be linked together.
Battery involved in the present invention, Rogowski coil, integral amplifier, AD converter, MCU and wireless transceiver, antenna,
Power switch etc. is public component, there is sale in the market, and Rogowski coil 1 is needed according to present patent application
Requirement, carry out it is inverted U-shaped processing and outside coat insulating materials.
No matter concluding that electricity filching person using what gimmick by technology analysis, final method is all electric energy meter to be allowed
It walks or does not walk less.When factory during normal production, electricity filching person can control electric energy meter using technical ability method and walk or not walk less, still,
Electricity filching person is that the electric current on the 10kV route that not can control to Factory Electricity Supply changes, that is to say, that: when stealing occurs, give work
Electric current on the 10kV route of factory's power supply changes certainly.Electricity filching person all be discovery power utility check personnel enter in institute of factory into
When row checks, just it is remotely controlled electric energy meter and restores normal.
A kind of application method of electricity filching detector, comprises the following steps:
Power utility check personnel in the case where power consumer is unaware of, by inverted U-shaped Rogowski coil 1 hang over outside power consumer into
On the 10kV route at family, the electric current on 10kV route measured by measurement end, and it is wirelessly transmitted to data receiver, electricity consumption
Electric current on the 10kV route measured and power supply enterprise's electricity are by inspection personnel's handheld data receiving end, data receiver with adopting
Secondary current on system backstage compares；If the two electric current is consistent, turning out the power consumer is normal electricity consumption；If two
Person's electric current is not inconsistent, it will be able to confirm that there may be electricity stealings for the power consumer.
Using present invention determine that power utility check personnel can be targeted there may be after the power consumer of electricity stealing
To comprehensively there may be electricity stealing power consumers to be checked.(in actual operation, by there may be electricity stealing electricity
Power user is checked that power utility check personnel have found stealing evidence comprehensively)
The present invention uses Rogowski coil, makes a half opening formula Rogowski coil, as the umbrella handle of an inverted U, uses
High voltage switch-off rod hangs over it on the high-voltage line outside factory wall, so that it may measure high-tension current.So-called Rogowski coil (Rockwell line
Circle) Rogowski is called current measurement coil, differential current sensor, and it is ring of the uniform winding on nonferromugnetic material
Shape coil.Output signal is the differential of Current versus time.The circuit that the voltage signal of output is integrated by one, so that it may
Really to restore input current.Structure brief introduction: Rogowski coil is free of ferrimagnet, no hysteresis effect, almost nil phase
Error；Without magnetic saturation as thus measurement range can be from several amperes to the electric current of hundreds of kilo-amperes；Structure is simple, and and tested electricity
It is contacted between stream without direct circuit；The wide 0.1Hz-1MHz of response band.Compared with the conventional current mutual inductor of ribbon core, sieve
Family name's coil has that measurement range is wide, precision is high, reliable and stable, response band is wide, while having measurement and relay protection function, body
It accumulates small, light-weight, safety and meets environmental requirement.Based on Rogowski coil have electric current can real-time measurement, fast response time,
Will not be saturated, almost without phase error the characteristics of, therefore it can be applied to relay protection, silicon controlled rectifier, frequency control, resistance
The occasion of the signals Severe distortions such as weldering, anti-interference ability are extremely strong.
Measurement end uses a Rogowski coil, penetrates that a root long degree is 40 centimetres, diameter is 2 centimetres, it is inverted U-shaped to curve, is opened
In the PVC insulation tube that mouth width degree is 12 centimetres, it is poured with resin；Wherein one end of inverted U-shaped Rogowski coil penetrates one long
Degree is 10 centimetres, width is 8 centimetres, with a thickness of in 3 centimetres of measurement end housing 6, and is poured with resin；Using resin into
The purpose of row casting, is that electricity filching detector on 10kV route when working in order to prevent, measuring cell phase under strong magnetic field circumstance
Mutually electric discharge；Rogowski coil is designed using half opening, is to measure for convenience, convenient for hanging on high-voltage line；The weight of measurement end is about
It is 300 grams, it is easy to operate and use.Feature of the present invention are as follows: the restriction of not examined voltage, in 10kV route to 0.4kV route
On all can be used.
After the inverted U-shaped Rogowski coil of measurement end is hung on the high-voltage line of user first, the 10kV route that measures
Current data will by wireless transceiver 1 after being handled by the amplification of integral amplifier 2, the conversion of AD converter 3 and MCU 1
Data are transmitted to data receiver.The wireless transceiver 2 12 of data receiver, in addition to passing through wireless parties with wireless transceiver 1
Formula connection, also wirelessly connect with power supply enterprise's electricity with extraction system, and MCU 2 11 is by the data of wireless transceiver 1
It is compared with power supply enterprise's electricity with extraction system data, is shown on a display screen.If on power supply enterprise's electricity extraction system
Secondary current be less than 10kV electric current, it will be able to confirm the user electric energy meter metering it is problematic, inspection personnel can be according to this
Metering device and secondary connection to the user are comprehensively checked, the evidence of stealing is found.
By power utility check, personnel on site is tested, and has been discovered and seized electricity filching person and has been installed in electric energy meter and in secondary wiring terminals row
It is remotely controlled electricity filching device, it is thus identified that the stealing electricity method of power consumer.
Data receiver of the invention can be used wireless transceiver 2 12 while receive measurement end and power supply enterprise's electricity
With extraction system data, in addition a set of wireless transceiver system can also be set, individually receive the number of power supply enterprise's electricity extraction system
According to.
The present invention is in use, if not smooth or can not achieve with the wireless connection of power supply enterprise electricity extraction system,
Power utility check personnel can be used mobile phone and power supply enterprise's electricity extraction system operator on duty and pass through telephonic communication, confirmation power supply enterprise
Secondary current data on industry electricity extraction system, and compared with the current data of measurement end acquisition, confirm that the power consumer is
It is no that there are electricity stealings.
Claims (4)
1. a kind of electricity filching detector, it is characterised in that: be made of the measurement end and data receiver being mutually matched, measurement end includes
Measure end housing (6), power supply one (9), Rogowski coil (1), integral amplifier (2), AD converter (3), MCU mono- (4) and wirelessly
Transceiver one (5), Rogowski coil (1), integral amplifier (2), AD converter (3), MCU mono- (4) and wireless transceiver one (5) according to
Secondary connection, power supply one (9), integral amplifier (2), AD converter (3), MCU mono- (4) and wireless transceiver one (5) setting are being surveyed
It measures in end housing (6), the Rogowski coil (1) is generally inverted U-shaped, and downwardly open, outside coats insulating materials；Inverted U-shaped sieve
Family name's coil (1), wherein one end be vertically set on measurement end housing (6) on, the other end formed fall U it is hook-shaped；
The data receiver, comprising receive end housing (18), MCU bis- (11), wireless transceiver two (12), display screen (13),
Power supply two (14) and key (15), MCU bis- (11), wireless transceiver two (12) and power supply two (14) setting are receiving end housing
(18) in, display screen (13) and key (15) setting are receiving end housing (18) surface；Wireless transceiver two (12), display screen
(13) it is connect respectively with MCU bis- (11) with key (15)；Wireless transceiver two (12) and wireless transceiver one (5) pass through wireless
Mode connects.
2. a kind of electricity filching detector according to claim 1, it is characterised in that: the wireless transceiver two (12), in addition to
It wirelessly connect with wireless transceiver one (5), is also wirelessly connect with power supply enterprise's electricity with extraction system,
The data of wireless transceiver one (5) are compared by MCU bis- (11) with power supply enterprise's electricity with extraction system data, on a display screen
Display.
3. a kind of electricity filching detector according to claim 1 or 2, it is characterised in that: the power supply one (9) and power supply two
It (14) is battery；The measurement end housing (6) is equipped with power switch (7), connect with internal power circuit, and is equipped with electricity
Source indicator light (8) and charging jack (17)；The measurement end housing (6) is equipped with antenna one (10), with internal wireless receiving and dispatching
Device one (5) connection.
4. a kind of application method of electricity filching detector, special using electricity filching detector defined by claim 1-3 any one
Sign is to comprise the following steps:
Power utility check personnel hang over inverted U-shaped Rogowski coil (1) outside power consumer in the case where power consumer is unaware of
On the 10kV route of house lead in, the electric current on 10kV route measured by measurement end, and it is wirelessly transmitted to data receiver, it uses
Electrical inspection personnel's handheld data receiving end, data receiver is by electric current on the 10kV route measured and power supply enterprise's electricity with adopting
Secondary current in system background compares；If the two electric current is consistent, turning out the power consumer is normal electricity consumption；If
The two electric current is not inconsistent, it will be able to confirm that there may be electricity stealings for the power consumer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811181616.8A CN108957079A (en) | 2018-10-11 | 2018-10-11 | A kind of electricity filching detector and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811181616.8A CN108957079A (en) | 2018-10-11 | 2018-10-11 | A kind of electricity filching detector and its application method |
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| Publication Number | Publication Date |
|---|---|
| CN108957079A true CN108957079A (en) | 2018-12-07 |
Family
ID=64480778
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| CN201811181616.8A Pending CN108957079A (en) | 2018-10-11 | 2018-10-11 | A kind of electricity filching detector and its application method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112710884A (en) * | 2021-01-13 | 2021-04-27 | 国网冀北电力有限公司唐山供电公司 | Tool and method for preventing electricity stealing |
| CN112710883A (en) * | 2020-12-02 | 2021-04-27 | 国网辽宁省电力有限公司阜新供电公司 | Method for checking mutual inductor to steal electricity |
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