CN208888298U - A kind of electricity filching detector - Google Patents
A kind of electricity filching detector Download PDFInfo
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- CN208888298U CN208888298U CN201821645764.6U CN201821645764U CN208888298U CN 208888298 U CN208888298 U CN 208888298U CN 201821645764 U CN201821645764 U CN 201821645764U CN 208888298 U CN208888298 U CN 208888298U
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- power supply
- wireless transceiver
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- end housing
- measurement end
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- 230000005611 electricity Effects 0.000 title claims abstract description 53
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- 238000000605 extraction Methods 0.000 abstract description 12
- 238000007689 inspection Methods 0.000 abstract description 9
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Abstract
The utility model relates to a kind of electricity filching detectors, belong to stealing detection technique field.Technical solution is: being made of the measurement end and data receiver being mutually matched, measurement end includes measurement end housing (6), power supply one (9), Rogowski coil (1), integral amplifier (2), converter (3), comparator one (4) and wireless transceiver one (5)；The data receiver, comprising receiving end housing (18), comparator two (11), wireless transceiver two (12), display screen (13), power supply two (14) and key (15).The beneficial effects of the utility model 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, the inspection for the formula of looking for a needle in a haystack is avoided；The utility model is easy to use, and for various stealing modes, detection is accurate.
Description
Technical field
The utility model relates to a kind of electricity filching detectors, 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.
Utility model content
The utility model aim is to provide a kind of electricity filching detector, passes through measurement user 10kV line current and power supply enterprise
Electricity is compared with the secondary current on extraction system backstage, confirm the user whether stealing, then take comprehensively inspection etc. arrange
It applies, locks stealing evidence, the utility model is easy to use, and for various stealing modes, detection is accurate, efficiently solves background
The above problem present in technology.
The technical solution of the utility model is:
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, power supply one, Rogowski coil, integral amplifier, converter, comparator one and wireless transceiver one, Rogowski coil, integral are put
Big device, converter, comparator one and wireless transceiver one are sequentially connected, and power supply one, converter 3, compares integral amplifier
Device one and the setting of wireless transceiver one are in measurement end housing, and the Rogowski coil is generally inverted U-shaped, downwardly open, outer bread
Cover insulating materials；Inverted U-shaped Rogowski coil, wherein one end is vertically set on measurement end housing, and the other end forms the hook of U
Shape；
The data receiver, comprising receiving end housing, comparator two, wireless transceiver two, display screen, power supply two and pressing
Key, comparator two, wireless transceiver two and the setting of power supply two are receiving in end housing, and display screen and key are arranged outside receiving end
Shell surface；Wireless transceiver two, display screen and key are connect with comparator two respectively；Wireless transceiver two and wireless transceiver one
Wirelessly connect.
Integral amplifier, converter, comparator and wireless transceiver are the common electronics member device of electronic market sale
Part is pure electronic circuit product, does not need to work out and input any computer software and verbal order, as long as the electronics produces
The use environment of product meets hyperbaric environment and requires to can be selected.
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.
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.
Battery involved in the utility model, Rogowski coil, integral amplifier, converter, comparator and wireless receiving and dispatching
Device, antenna, power switch etc. are public component, there is sale in the market, and Rogowski coil is needed according to this specially
The requirement of benefit application, carries out inverted U-shaped processing and outside coats insulating materials.
On the 10kV route that inverted U-shaped Rogowski coil is hung over to power consumer outside house lead in, measured by measurement end
Electric current on 10kV route, and it is wirelessly transmitted to data receiver, power utility check personnel's handheld data receiving end, data receiver
Electric current on the 10kV route measured is compared with power supply enterprise's electricity with the secondary current on extraction system backstage；If two
Person's electric current is consistent, and turning out the power consumer is normal electricity consumption；If the two electric current is not inconsistent, it will be able to confirm that the power consumer can
There can be electricity stealing.
Determine that power utility check personnel can be directed to there may be after the power consumer of electricity stealing using the utility model
Property to comprehensively there may be electricity stealing power consumers to be checked.(in actual operation, by there may be stealing rows
It is checked comprehensively for power consumer, power utility check personnel have found stealing evidence)
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.
The beneficial effects of the utility model are: passing through measurement user 10kV line current and power supply enterprise's electricity extraction system
Secondary current on backstage compares, confirm the user whether stealing, then targetedly take comprehensively inspection etc. measures,
Stealing evidence is locked, the inspection for the formula of looking for a needle in a haystack is avoided；The utility model is easy to use, and for various stealing modes, detection is quasi-
Really.
Detailed description of the invention
Fig. 1 is the utility model embodiment measurement end external structure schematic diagram；
Fig. 2 is the utility model embodiment measurement end partial view；
Fig. 3 is the utility model embodiment data receiver external structure schematic diagram；
Fig. 4 is the utility model embodiment measurement end schematic diagram of internal structure；
Fig. 5 is the utility model embodiment data receiver schematic diagram of internal structure；
In figure: Rogowski coil 1, integral amplifier 2, converter 3, comparator 1, wireless transceiver 1.Outside measurement end
Shell 6, power switch 7, power supply indicator 8, power supply 1, antenna 1, comparator 2 11, wireless transceiver 2 12, display screen
13, power supply 2 14, key 15, antenna 2 16, charging jack 17, reception end housing 18.
Specific embodiment
Below in conjunction with attached drawing, by embodiment, the utility model is described in further detail.
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, converter 3, comparator 1 and wireless transceiver 1, Rogowski coil
1, integral amplifier 2, converter 3, comparator 1 and wireless transceiver 1 are sequentially connected, power supply 1, integral amplifier 2,
Converter 3, comparator 1 and the setting of wireless transceiver 1 are in measurement end housing 6, the Rogowski coil 1 generally U
Shape, downwardly open, outside coats insulating materials；Inverted U-shaped Rogowski coil 1, wherein one end is vertically set on measurement end housing 6
On, the other end formed fall U it is hook-shaped；
The data receiver, comprising receiving end housing 18, comparator 2 11, wireless transceiver 2 12, display screen 13, electricity
Source 2 14 and key 15, comparator 2 11, wireless transceiver 2 12 and the setting of power supply 2 14 are receiving in end housing 18, display screen
13 and key 15 setting receive 18 surface of end housing；Wireless transceiver 2 12, display screen 13 and key 15 respectively with comparator
2 11 connections；Wireless transceiver 2 12 is wirelessly connect with wireless transceiver 1.
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.
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.
Battery involved in the utility model, Rogowski coil, integral amplifier, converter, comparator and wireless receiving and dispatching
Device, antenna, power switch etc. are public component, there is sale in the market, and Rogowski coil 1 is needed according to this
The requirement of patent application, carries out inverted U-shaped processing and outside coats 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, factory into
When row checks, just it is remotely controlled electric energy meter and restores normal.
On the 10kV route that inverted U-shaped Rogowski coil 1 is hung over to power consumer outside house lead in, measured by measurement end
Electric current on 10kV route, and it is wirelessly transmitted to data receiver, power utility check personnel's handheld data receiving end, data receiver
Electric current on the 10kV route measured is compared with power supply enterprise's electricity with the secondary current on extraction system backstage；If two
Person's electric current is consistent, and turning out the power consumer is normal electricity consumption；If the two electric current is not inconsistent, it will be able to confirm that the power consumer can
There can be electricity stealing.
Determine that power utility check personnel can be directed to there may be after the power consumer of electricity stealing using the utility model
Property to comprehensively there may be electricity stealing power consumers to be checked.(in actual operation, by there may be stealing rows
It is checked comprehensively for power consumer, power utility check personnel have found stealing evidence)
The utility model uses Rogowski coil, a half opening formula Rogowski coil is made, as the umbrella handle of an inverted U
Equally, it is hung on the high-voltage line outside factory wall with high voltage switch-off rod, so that it may measure high-tension current.So-called Rogowski coil
(Rockwell coil) Rogowski is called current measurement coil, differential current sensor, is a uniform winding in nonferromagnetic material
Loop coil on material.Output signal is the differential of Current versus time.The voltage signal of output is integrated by one
Circuit, so that it may really restore input current.Structure brief introduction: Rogowski coil be free of ferrimagnet, no hysteresis effect, almost
Zero 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
It is contacted between tested electric current without direct circuit；The wide 0.1Hz-1MHz of response band.With the conventional current mutual inductance of ribbon core
Device is compared, and Rogowski coil has that measurement range is wide, precision is high, reliable and stable, response band is wide, while there is measurement and relay to protect
Protective function, small in size, light-weight, safety and meets environmental requirement.Have electric current can real-time measurement, response based on Rogowski coil
Speed is fast, will not be saturated, almost without phase error the characteristics of, therefore it can be applied to relay protection, silicon controlled rectifier, frequency conversion tune
The occasion of the signals Severe distortion such as speed, electric resistance welding, 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.The utility model feature are as follows: the restriction of not examined voltage, in 10kV route to 0.4kV
It all can be used on route.
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 passes through wireless transceiver 1 after handling by the amplification of integral amplifier 2, the conversion of converter 3 and comparator 1
Pass data to data receiver.The wireless transceiver 2 12 of data receiver, it is wireless in addition to passing through with wireless transceiver 1
Mode connects, and also wirelessly connect with power supply enterprise's electricity with extraction system, and comparator 2 11 is by wireless transceiver 1
Data are compared with power supply enterprise's electricity with extraction system data, are shown on a display screen.If power supply enterprise's electricity is with adopting
Secondary current on system is less than 10kV electric current, it will be able to confirm that the electric energy meter of the user measures problematic, inspection personnel
The metering device of the user and secondary connection are comprehensively checked according to this, find the evidence of stealing.
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.
The data receiver of the utility model can be used wireless transceiver 2 12 while receive measurement end and power supply enterprise
In addition a set of wireless transceiver system can also be arranged in electricity extraction system data, individually receive power supply enterprise's electricity extraction system
Data.
The utility model is in use, if not smooth or cannot be real with the wireless connection of power supply enterprise electricity extraction system
Existing, mobile phone and power supply enterprise's electricity extraction system operator on duty can be used by telephonic communication in power utility check personnel, and confirmation supplies
Secondary current data on electric enterprise's electricity extraction system, and compared with the current data of measurement end acquisition, confirm that the electric power is used
Family whether there is electricity stealing.
Claims (3)
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), converter (3), comparator one (4) and nothing
Line transceiver one (5), Rogowski coil (1), integral amplifier (2), converter (3), comparator one (4) and wireless transceiver one
(5) it is sequentially connected, power supply one (9), integral amplifier (2), converter (3), comparator one (4) and wireless transceiver one (5)
In measurement end housing (6), the Rogowski coil (1) is generally inverted U-shaped for setting, downwardly open, and outside coats insulating materials；?
The Rogowski coil (1) of U-shaped, 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 receiving end housing (18), comparator two (11), wireless transceiver two (12), display screen
(13), power supply two (14) and key (15), comparator two (11), wireless transceiver two (12) and power supply two (14) setting are receiving
In end housing (18), display screen (13) and key (15) setting are receiving end housing (18) surface；Wireless transceiver two (12) is shown
Display screen (13) and key (15) are connect with comparator two (11) respectively；Wireless transceiver two (12) and wireless transceiver one (5) are logical
Cross wireless mode connection.
2. a kind of electricity filching detector according to claim 1, it is characterised in that: the power supply one (9) and power supply two (14)
It is battery；The measurement end housing (6) is equipped with power switch (7), connect with internal power circuit, and refer to equipped with power supply
Show lamp (8) and charging jack (17)；The measurement end housing (6) is equipped with antenna one (10), with internal wireless transceiver one
(5) it connects.
3. a kind of electricity filching detector according to claim 1 or 2, it is characterised in that: the Rogowski coil (1) penetrates one
Root curves in inverted U-shaped PVC insulation tube, carries out casting by resin and is linked together；Wherein one end penetrates measurement end housing (6)
In, and carry out casting with resin and be linked together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821645764.6U CN208888298U (en) | 2018-10-11 | 2018-10-11 | A kind of electricity filching detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821645764.6U CN208888298U (en) | 2018-10-11 | 2018-10-11 | A kind of electricity filching detector |
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| Publication Number | Publication Date |
|---|---|
| CN208888298U true CN208888298U (en) | 2019-05-21 |
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ID=66515570
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821645764.6U Active CN208888298U (en) | 2018-10-11 | 2018-10-11 | A kind of electricity filching detector |
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| Country | Link |
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| CN (1) | CN208888298U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108957079A (en) * | 2018-10-11 | 2018-12-07 | 国网冀北电力有限公司唐山供电公司 | A kind of electricity filching detector and its application method |
-
2018
- 2018-10-11 CN CN201821645764.6U patent/CN208888298U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108957079A (en) * | 2018-10-11 | 2018-12-07 | 国网冀北电力有限公司唐山供电公司 | A kind of electricity filching detector and its application method |
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