CN109950030A - A kind of Anti-steal electric transformer and electricity anti-theft method - Google Patents
A kind of Anti-steal electric transformer and electricity anti-theft method Download PDFInfo
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- CN109950030A CN109950030A CN201910145255.XA CN201910145255A CN109950030A CN 109950030 A CN109950030 A CN 109950030A CN 201910145255 A CN201910145255 A CN 201910145255A CN 109950030 A CN109950030 A CN 109950030A
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Abstract
A kind of Anti-steal electric transformer and electricity anti-theft method proposed by the present invention, the Anti-steal electric transformer includes transformer body, it is characterized in that, it further include electrical parameter sensor, the electrical parameter sensor is fixed on the secondary side low-voltage lead of transformer body, for acquiring secondary side current data, and send the data to distribution transformer monitoring terminal.The shortcomings that present invention has the effect that the secondary side that electrical parameter sensor is embedded into piezoelectric transformer, safeguards without secondary installing, a possibility that fundamentally having prevented across table stealing.By comparison secondary side measured power history accumulated value and gauge table power historical accumulated value can judge user whether stealing, help to find electricity stealing in time, and smaller to the loss of transformer.Secondary side electrical parameter sensor bulk is small, easy for installation, and measurement accuracy can reach 0.2 grade.
Description
Technical field
The present invention relates to power domain more particularly to a kind of Anti-steal electric transformers and electricity anti-theft method.
Background technique
Due to the driving of interests, the electricity stealing of electricity stealing, especially large user are very universal, endanger power grid security,
To country with huge economic loss.Electricity filching means are varied, and anti-theft electricity technology is also multifarious, but are for one kind mostly
Or the scheme of a variety of electricity filching means, do not adapt to there are thief-proof dead zone or new stealing technology.
The preferably anti-electricity-theft scheme of present is by installing wireless current transformer, knot additional in power transformer primary side
Electric service terminal is shared, by the comparison of first and second side electric current, effectively electricity stealing is supervised, is achieved very
Considerable economic benefit and social benefit.The key technology of the program is to install radio parameter collector additional in high-pressure side, is lacked
Point mainly has: (1) secondary construction is needed, since in high-pressure side operation, installation maintenance is difficult；(2) by transformer first and second
The comparison of electric current has been superimposed the loss of transformer, and parameter needs to adjust；(3) wireless module takes electricity using induction, low current without
Method work, and error is larger, accuracy as a result is to be improved.
Summary of the invention
The present invention is exactly in view of the deficienciess of the prior art, provide a kind of Anti-steal electric transformer and electricity anti-theft method.
To solve the above problems, the technical solution used in the present invention is as follows:
A kind of Anti-steal electric transformer, including transformer body, electrical parameter sensor, the electrical parameter sensor are fixed on change
On the secondary side low-voltage lead of depressor main body, for acquiring secondary side current data, and distribution transformer is sent the data to
Monitor terminal.
Preferably, the electrical parameter sensor includes shell, and the shell is cylindrical in shape structure, is located in low-pressure sleeve,
And it is sleeved on low-voltage lead periphery, two fastening bolts are used to connect the shell and the secondary side low pressure of transformer body is drawn
Line, and for being powered to the electrical parameter sensor.
Preferably, current sensor, voltage divider, single-phase measurement IC, MCU and radio transmitter are equipped in the shell
Or PLC module, the current sensor, voltage divider are arranged on the secondary side low-voltage lead of transformer body, the list
Mutually metering IC is connect with the current sensor, MCU input terminal and output end respectively with the single-phase measurement IC and wireless transmission
Device or PLC module connection.
Preferably, the distribution transformer monitoring terminal has metering module and main control module, the metering module and electricity
Parameter sensors connection for the data to be converted success rate data, and is sent to main control module as measured power.
Preferably, pass through micro power consumption wireless signal communication between the electrical parameter sensor and metering module.
The invention also provides a kind of electricity anti-theft methods, use above-mentioned Anti-steal electric transformer, this method includes following step
It is rapid:
Electrical parameter sensor is mounted on the secondary side low-voltage lead of transformer body, electrical parameter sensor is established and matches
Piezoelectric transformer detects terminal, metering summary table and power transformer detecting terminal, power transformer detecting terminal and data center
Connection；
Secondary side current data are acquired by electrical parameter sensor, and send the data to power transformer detecting terminal
Metering module, which is converted success rate data, and is sent to distributing transformer monitoring as measured power by metering module
The main control module of terminal；Main control module is sent to by measuring the electricity consumption of summary table metering user, and by metering apparent power；
The measured power of storage and metering apparent power are sent to data center by main control module, and periodically by measured power and
Metering apparent power is compared, and when the difference of the two is more than preset threshold, issues alarm signal to data center；
Data center stores measured power and metering apparent power, after receiving alarm signal, by the reality in predetermined period
Power scale history accumulated value and gauge table power historical accumulated value are compared, with determine user whether stealing, determine user
When stealing, alarm, while short massage notice inspector are issued, multiplexing electric abnormality information and inspection geography information are provided.
Compared with prior art, implementation result of the invention is as follows by the present invention:
(1) the shortcomings that electrical parameter sensor is embedded into the secondary side of piezoelectric transformer, is safeguarded without secondary installing, from basic
On a possibility that having prevented across table stealing.
(2) user can be judged by comparison secondary side measured power history accumulated value and gauge table power historical accumulated value
Whether stealing, help to find electricity stealing in time.
(3) secondary side electrical parameter sensor bulk is small, easy for installation, and measurement accuracy can reach 0.2 grade.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of part where the electrical parameter sensor of Anti-steal electric transformer proposed by the present invention.
Fig. 2 is a kind of structural schematic diagram of the electrical parameter sensor of intelligent electricity anti-theft system proposed by the present invention.
Fig. 3 is the principle of the present invention schematic diagram.
In figure: 1, electrical parameter sensor；2, low-voltage lead；3, fixing bolt；4, antenna；5, low-tension bushing.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Describe to whole property.Certainly, described embodiment is a part of the embodiment of the present invention, instead of all the embodiments.
In conjunction with Fig. 1,2, a kind of Anti-steal electric transformer proposed by the present invention, including transformer body and electrical parameter sensor
1, electrical parameter sensor 1 is for measuring and emitting the parameters such as secondary side current, in order to realize the fixation to electrical parameter sensor, electricity
Parameter sensors 1 are designed using the structure of tubular, are located in low-pressure sleeve 5, and are sleeved on the periphery of low-voltage lead 2, and low
It is linked together between voltage lead wires 2 by fixing bolt 3.It can lead between electrical parameter sensor 1 and distribution transformer monitoring terminal
Wireless communication mode or the connection of PLC (power line carrier) communication mode are crossed, uses wireless communication mode in the present embodiment, also
It is to say, electrical parameter sensor 1 is radio parameter sensor, and antenna one end of electrical parameter sensor 1 upwardly extends and stretches out institute
State low-pressure sleeve 5.
Electrical parameter sensor is the core of this programme, and measurement accuracy is not lower than the measurement accuracy for measuring summary table.
In conjunction with Fig. 3, electrical parameter sensor includes current sensor, voltage divider, single-phase measurement IC, MCU and wireless hair
Device is sent, current sensor, voltage divider are arranged on 1 secondary side low-voltage lead of transformer, single-phase measurement IC and the electric current
Sensor connection, radio transmitter are connect with the single-phase measurement IC.
Current sensor and voltage divider are respectively used to the electric current and voltage parameter of measurement secondary side, and single-phase measurement IC is used
It is handled in the electric current and voltage parameter of measurement, obtains accurately power data.MCU passes through radio transmitter for power number
According to being sent to metering module 4.
Being taken using induction can not work at low currents by the way of electricity, and error is larger, single-phase measurement IC in this programme,
The power supply of MCU and radio transmitter is directly derived from fastening bolt, and for incuding way to take power, measurement error is small.
The invention also provides a kind of electricity anti-theft methods, using above-mentioned Anti-steal electric transformer, this method include with
Lower step:
Electrical parameter sensor is mounted on the secondary side low-voltage lead of transformer body, electrical parameter sensor is established and matches
Piezoelectric transformer detects terminal, metering summary table and power transformer detecting terminal, power transformer detecting terminal and data center
Connection；
Secondary side current data are acquired by electrical parameter sensor, and the data are wirelessly sent to power transformer detecting
The metering module of terminal, which is converted success rate data by metering module, and is sent to distribution transformer as measured power
Monitor the main control module of terminal；Main control module is sent to by measuring the electricity consumption of summary table metering user, and by metering apparent power；
The measured power of storage and metering apparent power are sent to data center by main control module, and periodically by measured power and
Metering apparent power is compared, and when the difference of the two is more than preset threshold, issues alarm signal to data center；
Data center stores measured power and metering apparent power, after receiving alarm signal, by the reality in predetermined period
Power scale history accumulated value and gauge table power historical accumulated value are compared, with determine user whether stealing, determine user
When stealing, alarm, while short massage notice inspector are issued, multiplexing electric abnormality information and inspection geography information are provided.
By micro power consumption wireless signal communication between the radio transmitter and metering module of electrical parameter sensor, micropower without
The letter frequency range that gauze network uses is supported for 470MHz~510MHz without additional authorization expense or third party.
Main control module and metering summary table between connection can be it is wired, be also possible to it is wireless, in order to improve transmit
Stability, RS485 interface realizes the transmission of data between main control module and metering summary table.
Main control module is used to store and process the metering that the measured power that metering module is sent and metering summary table are sent
Apparent power.When measured power and metering apparent power are more than preset threshold value, main control module issues alarm signal to data center.
Data center is connect by public network, GPRS or CDMA7 with main control module, is by server, active station, local
The composition datas processing platforms such as net, printer, inspection software tire out measured power history for the alarm according to main control module
Value added and gauge table power historical accumulated value electricity data are compared, and judge whether electricity consumption is abnormal, is occurring according to comparison result
Alarm, while short massage notice inspector are recorded and issued when abnormal, and multiplexing electric abnormality information and inspection geography information are provided, make to check
It looks into personnel and checks cured in place evidence in time.Inspection software can read the data of data center's storage, complete meter reading, report system
The conventional funcs such as work, report management, information shows, data statistics.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention, and any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of Anti-steal electric transformer, including transformer body, which is characterized in that it further include electrical parameter sensor, the electricity ginseng
Number sensors are fixed on the secondary side low-voltage lead of transformer body, for acquiring secondary side current data, and by the data
It is sent to distribution transformer monitoring terminal.
2. Anti-steal electric transformer according to claim 1, which is characterized in that the electrical parameter sensor includes shell, institute
It states shell and is cylindrical in shape structure, be located at low-pressure sleeve lower end, and be sleeved on low-voltage lead periphery, two fastening bolts are for connecting
The secondary side low-voltage lead of the shell and transformer body, and for being powered to the electrical parameter sensor.
3. Anti-steal electric transformer according to claim 2, which is characterized in that be equipped with current sensor, electricity in the shell
Divider, single-phase measurement IC, MCU and radio transmitter or PLC module are pressed, the current sensor, voltage divider setting exist
On the secondary side low-voltage lead of transformer body, the single-phase measurement IC is connect with the current sensor, MCU input terminal and defeated
Outlet is connect with the single-phase measurement IC and radio transmitter or PLC module respectively.
4. according to claim 1 put stealing transformer, which is characterized in that the electrical parameter sensor and distribution transformer
Between connected based on wireless telecommunications or PLC communication modes.
5. Anti-steal electric transformer according to claim 1, which is characterized in that the distribution transformer monitoring terminal has meter
Amount module and main control module, the metering module are connect with electrical parameter sensor, for the data to be converted success rate data, and
Main control module is sent to as measured power.
6. Anti-steal electric transformer according to claim 4, which is characterized in that the electrical parameter sensor and metering module it
Between pass through micro power consumption wireless signal communication.
7. a kind of electricity anti-theft method, uses the Anti-steal electric transformer as described in claim 1 ~ 6 any one, this method includes
Following steps:
Electrical parameter sensor is mounted on the secondary side low-voltage lead of transformer body, electrical parameter sensor is established and distribution becomes
The connection that depressor detects terminal, measures summary table and power transformer detecting terminal, power transformer detecting terminal and data center；
Secondary side current data are acquired by electrical parameter sensor, and send the data to the meter of power transformer detecting terminal
Module is measured, which is converted success rate data by metering module, and is sent to distribution transformer monitoring terminal as measured power
Main control module；Main control module is sent to by measuring the electricity consumption of summary table metering user, and by metering apparent power；
The measured power of storage and metering apparent power are sent to data center by main control module, and periodically by measured power and metering
Apparent power is compared, and when the difference of the two is more than preset threshold, issues alarm signal to data center；
Data center stores measured power and metering apparent power, after receiving alarm signal, by the actual measurement function in predetermined period
Rate history accumulated value and gauge table power historical accumulated value are compared, with determine user whether stealing, determine user's stealing
When, alarm, while short massage notice inspector are issued, multiplexing electric abnormality information and inspection geography information are provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910145255.XA CN109950030A (en) | 2019-02-27 | 2019-02-27 | A kind of Anti-steal electric transformer and electricity anti-theft method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910145255.XA CN109950030A (en) | 2019-02-27 | 2019-02-27 | A kind of Anti-steal electric transformer and electricity anti-theft method |
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| CN109950030A true CN109950030A (en) | 2019-06-28 |
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| CN201910145255.XA Pending CN109950030A (en) | 2019-02-27 | 2019-02-27 | A kind of Anti-steal electric transformer and electricity anti-theft method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557745A (en) * | 2020-12-08 | 2021-03-26 | 国网山西省电力公司临汾供电公司 | Power superposition comparison system and method for line loss monitoring |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2689235Y (en) * | 2004-04-27 | 2005-03-30 | 卢经臣 | Electric charge evading preventor |
| CN2812017Y (en) * | 2005-03-10 | 2006-08-30 | 武汉国测科技股份有限公司 | Single-phase high-voltage electric energy metering module |
| CN2864688Y (en) * | 2005-12-06 | 2007-01-31 | 罗若晖 | Electricity anti-theft arrangement for exit end of power supply transformer |
| CN101216505A (en) * | 2008-01-14 | 2008-07-09 | 深圳浩宁达仪表股份有限公司 | Electricity anti-theft device with remote communicating function and method |
| CN201213094Y (en) * | 2008-05-28 | 2009-03-25 | 安徽省电力公司巢湖供电公司 | Low voltage outdoor combined mutual inductor for preventing from electric charge evasion |
| CN201322766Y (en) * | 2008-12-19 | 2009-10-07 | 潍坊北大青鸟华光通信技术有限公司 | Anti-stealing electricity monitoring device |
| CN101566657A (en) * | 2008-04-22 | 2009-10-28 | 深圳浩宁达仪表股份有限公司 | Method and system for online metering and real-time monitoring of electric transmission line |
| CN202720264U (en) * | 2012-04-26 | 2013-02-06 | 北京新源绿网节能科技有限公司 | Remote monitoring system for electricity consumption |
| CN202929077U (en) * | 2012-07-25 | 2013-05-08 | 国网电力科学研究院 | Electricity stealing resistant device and its system |
| CN203966808U (en) * | 2014-07-07 | 2014-11-26 | 南京新联电子股份有限公司 | Distribution transformer |
-
2019
- 2019-02-27 CN CN201910145255.XA patent/CN109950030A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2689235Y (en) * | 2004-04-27 | 2005-03-30 | 卢经臣 | Electric charge evading preventor |
| CN2812017Y (en) * | 2005-03-10 | 2006-08-30 | 武汉国测科技股份有限公司 | Single-phase high-voltage electric energy metering module |
| CN2864688Y (en) * | 2005-12-06 | 2007-01-31 | 罗若晖 | Electricity anti-theft arrangement for exit end of power supply transformer |
| CN101216505A (en) * | 2008-01-14 | 2008-07-09 | 深圳浩宁达仪表股份有限公司 | Electricity anti-theft device with remote communicating function and method |
| CN101566657A (en) * | 2008-04-22 | 2009-10-28 | 深圳浩宁达仪表股份有限公司 | Method and system for online metering and real-time monitoring of electric transmission line |
| CN201213094Y (en) * | 2008-05-28 | 2009-03-25 | 安徽省电力公司巢湖供电公司 | Low voltage outdoor combined mutual inductor for preventing from electric charge evasion |
| CN201322766Y (en) * | 2008-12-19 | 2009-10-07 | 潍坊北大青鸟华光通信技术有限公司 | Anti-stealing electricity monitoring device |
| CN202720264U (en) * | 2012-04-26 | 2013-02-06 | 北京新源绿网节能科技有限公司 | Remote monitoring system for electricity consumption |
| CN202929077U (en) * | 2012-07-25 | 2013-05-08 | 国网电力科学研究院 | Electricity stealing resistant device and its system |
| CN203966808U (en) * | 2014-07-07 | 2014-11-26 | 南京新联电子股份有限公司 | Distribution transformer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557745A (en) * | 2020-12-08 | 2021-03-26 | 国网山西省电力公司临汾供电公司 | Power superposition comparison system and method for line loss monitoring |
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Application publication date: 20190628 |