CN109374950A - A kind of anti-electricity-theft Intelligent transformator - Google Patents
A kind of anti-electricity-theft Intelligent transformator Download PDFInfo
- Publication number
- CN109374950A CN109374950A CN201811187710.4A CN201811187710A CN109374950A CN 109374950 A CN109374950 A CN 109374950A CN 201811187710 A CN201811187710 A CN 201811187710A CN 109374950 A CN109374950 A CN 109374950A
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- intelligent
- intelligence
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- current
- communication terminal
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/02—Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
The invention discloses a kind of anti-electricity-theft Intelligent transformators, contain communication terminal, intelligence PT and intelligence CT.Contain Intelligent treatment kernel, intelligence communication unit and RTC real-time clock in communication terminal.Intelligent PT includes once voltage signal induction coil, secondary voltage induction of signal coil and PT intelligent object.PT intelligent object acquires first and second voltage data of PT by two induction coils.Intelligent CT includes once current signal induction coil, secondary current induction of signal coil, taking energy coil, CT intelligent object.CT intelligent object acquires first and second current data of CT by two induction coils.Communication terminal, intelligence PT and intelligent CT three are in communication with each other by low-consumption wireless.
Description
Technical field
The present invention relates to distribution network automated fields, are related to a kind of mutual inductor, and in particular to a kind of anti-electricity-theft intelligent mutual inductance
Device.
Background technique
With the development of social progress and technology, contemporary society needs more sufficient, relatively reliable, more good electricity
It can supply.Currently, urbanization process is accelerated, modernization big city is growing day by day, and modernization metropolis supply load density is big, supplies
Electric mode is complicated, reliability requirement is high.At the same time, supply load is continuously increased, power supply network is promoted fastly.On the one hand, to distribution
Operation, scheduling, control and the maintenance of system propose capable requirement；It on the other hand, can similar to Intelligent transformator one kind
The equipment of real-time watch device operating status is also essential.
In addition, anti-electricity-theft problem has become one of the hot spot of current electric grid construction, it is large-scale specially to become user, low pressure resident use
The anti-electricity-theft work at family has all been classified as focus, has put into a large amount of fund and manpower, and purpose is exactly to increase the fortune of power grid
Row reliability optimizes electrical power services.But the product of Intelligent transformator is still in space state at home at present.Therefore it researches and develops
A anti-electricity-theft Intelligent transformator is imperative.
Intelligent transformator includes current transformer (Current Transformer, the abbreviation for being embedded in current acquisition module
CT) and insertion voltage acquisition module voltage transformer (Potential Transformer, abbreviation PT), be mainly used in
The high pressure measurement of 10kV user engineering acquires mutual inductor initial data, by data being compared whether in main website in real time
It is abnormal, to judge whether there is stealing problem；Mutual inductor state can be monitored in real time simultaneously.
Summary of the invention
The present invention is in view of the above-mentioned problems, overcome the deficiencies in the prior art, proposes a kind of height applied to 10kV user engineering
Press the anti-electricity-theft Intelligent transformator of metering.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is that:
A kind of anti-electricity-theft Intelligent transformator, it is characterised in that: include communication terminal, intelligence PT and intelligence CT.Communication terminal
It is interior to contain Intelligent treatment kernel, intelligence communication unit and RTC real-time clock.Intelligent PT includes the once voltage signal line of induction
Circle, secondary voltage induction of signal coil and PT intelligent object.PT intelligent object acquires PT's by two induction coils
First and second voltage data.Intelligent CT include once current signal induction coil, secondary current induction of signal coil, take energy line
Circle, CT intelligent object.CT intelligent object acquires first and second current data of CT by two induction coils.Communication is eventually
End, intelligence PT and intelligent CT three are in communication with each other by low-consumption wireless.
There are three indicator light, indicator light is connect with the Intelligent treatment kernel for the front setting of the communication terminal shell
Power supply, data receiver and data are used to indicate to send.The bottom of shell is provided with connecting terminal, logical for complete machine power supply and data
News.The supply district of communication terminal is very wide, can accomplish AC80V-AC264V.
The further data communication terminal can support the wire communications such as RS485/422, for various intelligent terminals
Carry out data reading system.
Further, data storage cell, data storage cell and Intelligent treatment kernel are provided in the communication terminal
It is connected, the band timescale data for storage system preset parameter and recent timing copy reading.
Further, RTC real time clock unit, real time clock unit and Intelligent treatment are provided in the communication terminal
Kernel is connected, and stores for providing the real-time time signal of whole system, and to current copy reading data.
Primary voltage sampling coil precision in the intelligence PT is 0.1 grade, can accurately reflect the change of primary voltage
Change.Secondary voltage sampling coil precision in the intelligence PT is 0.2 grade, can feed back the variation of secondary voltage out, pass through intelligence
Energy PT compares a secondary voltage, can carry out real-time monitoring to the operating status of PT.
Further, it is equipped with Power Management Unit inside the PT intelligent object, Power Management Unit is adopted with secondary voltage
Collect coil to be connected, the bulk supply for intelligent PT.
Further, it is equipped with high precision collecting unit inside the PT intelligent object, high precision collecting unit and described
First and second voltage signal induction coil is connected, and sampling precision is 0.1 grade.
Further, it is equipped with temperature collecting cell inside the PT intelligent object, can acquired real-time inside mutual inductor
Temperature.
Further, it is equipped with intelligence communication unit inside the PT intelligent object, data can be carried out by micro power consumption wireless
Communication, and it is capable of the interception redundant message of intelligence.
Primary current sampling coil precision in the intelligence CT is 0.1 grade, can accurately reflect the change of primary current
Change.Secondary current sampling coil precision in the intelligence CT is 0.2 grade, can feed back the variation of secondary current out, pass through CT
Intelligent object compares a secondary current, can carry out real-time monitoring to the operating status of CT.
Further, it is equipped with inside the CT intelligent object and takes energy module, energy module is taken to be connected with the taking energy coil,
Being taken by coil can be to intelligence CT bulk supply.Described takes energy inside modules to be equipped with standby electric module, when power loss occurs in platform area
Or in short-term low current when, entire module can also continuous service.
Further, it is equipped with high precision collecting unit inside the CT intelligent object, high precision collecting unit and described
First and second current signal induction coil is connected, and sampling precision is 0.1 grade.
Further, it is equipped with temperature collecting cell inside the CT intelligent object, can acquired real-time inside mutual inductor
Temperature.
Further, it is equipped with intelligence communication unit inside the CT intelligent object, data can be carried out by micro power consumption wireless
Communication, and it is capable of the interception redundant message of intelligence.
The present invention is compared with the prior art, is had the following advantages that and effect:
1, the present invention is not on the basis of changing original mutual inductor shape, by mutual inductor and mutual inductor state monitor function
It combines, and carries out copy reading for various intelligent terminals configured with PORT COM, uploads.It can be viewed in distribution main website
The current current value of mutual inductor, voltage value, angular difference value, than parameters such as difference, temperature values, can also look within the next few days voltage electricity
Flow variation tendency.
2, there is low power dissipation design, can allow the work of complete machine continuous and effective in the 1% of rated current.
3, there is real-time monitoring user information, it is effective to carry out electricity consumption monitoring and anti-electricity-theft, in appearance with common mutual inductance
Device is consistent, effectively prevents stealing user and destroys anti-electricity-theft device.
Detailed description of the invention
Fig. 1 is integral installation wiring schematic diagram of the present invention.
Fig. 2 is present system structural schematic diagram.
Fig. 3 is intelligence PT wiring schematic diagram of the invention.
Fig. 4 is intelligence CT wiring schematic diagram of the invention.
Specific embodiment
The present invention will be further described below with reference to the drawings, to be specifically described technical solution of the present invention.Following reality
It applies example to be only used for clearly illustrating technical solution of the present invention, and not intended to limit the protection scope of the present invention.
As shown in Figure 1, the high-pressure side of anti-electricity-theft Intelligent transformator installation 10KV electric wire.Wherein, intelligent PT1 is mounted on
B, C two is alternate, for acquiring C, B voltage between phases.It is alternate that intelligent PT2 is mounted on A, B two, for acquiring A, B voltage between phases.Intelligence
Energy CT1 is serially connected on C phase line, for acquiring C phase current.Intelligent CT2 is serially connected on A phase line, for acquiring A phase current.
The electricity of user is measured in real time according to two watts of meter methods by the physical quantity that 4 intelligent objects acquire.
As shown in Fig. 2, four intelligent objects of anti-electricity-theft Intelligent transformator by the way of micro power consumption wireless with communicate eventually
End carries out data interaction.Communication terminal turns RS485 communication by micro power consumption wireless and the negative control on upper layer is whole as simple routing
End constitutes connection.Negative control terminal keeps the connection with main website using GPRS, ultimately forms data flow path, such main website
The acquisition data in acquisition module are obtained, and then may be implemented to the on-line monitoring of mutual inductor and dividing in real time to platform area data
Analysis.
As shown in figure 3, intelligence PT external interface is consistent with common mutual inductor, inside coil containing there are two, wherein sampling line
Circle precision is 0.2 grade and is measured for supplying external ammeter, while the access PT intelligent object of branch out in parallel is for comparing prison
It surveys.In addition, sampling+taking energy coil precision is 0.1 grade, the state of intelligent PT primary side can be accurately reflected, two coils of comparison
The angular difference of quantity of state you can get it mutual inductor with than difference.
As shown in figure 4, intelligence CT external interface more than common mutual inductor 2S1 with 2S2 mouthful, for module testing.
Inside is containing there are three coil, wherein power supply of the taking energy coil access CT intelligent object for entire module.
Consistent with common mutual inductor, inside coil containing there are two, wherein sampling coil precision is 0.2 grade for supplying outside
Ammeter is measured, while the access PT intelligent object of branch out in parallel is used for contrastive detection.In addition, sampling+taking energy coil precision
It is 0.1 grade, can accurately reflects the state of intelligent PT primary side, compares the angle of quantity of state you can get it the mutual inductor of two coils
Difference with than difference.
Above embodiments are the explanations to a specific embodiment of the invention, rather than limitation of the present invention, related technology
The technical staff in field without departing from the spirit and scope of the present invention, can also make various transformation and variation and obtain
To corresponding equivalent technical solution, therefore all equivalent technical solutions should be included into patent protection model of the invention
It encloses.
Claims (9)
1. a kind of anti-electricity-theft Intelligent transformator, it is characterised in that: contain communication terminal, intelligence PT and intelligence CT；Communication terminal
It is interior to contain Intelligent treatment kernel, intelligence communication unit and RTC real-time clock；Intelligent PT includes the once voltage signal line of induction
Circle, secondary voltage induction of signal coil and PT intelligent object；PT intelligent object acquires PT's by two induction coils
First and second voltage data；Intelligent CT include once current signal induction coil, secondary current induction of signal coil, take energy line
Circle, CT intelligent object；CT intelligent object acquires first and second current data of CT by two induction coils；Communication is eventually
End, intelligence PT and intelligent CT three are in communication with each other by low-consumption wireless.
2. communication terminal according to claim 1, it is characterised in that: there are three instructions for the communication terminal outer casing frontispiece
Lamp, indicator light is connect with the Intelligent treatment kernel is used to indicate power supply, data receiver and data transmission；The bottom of shell is set
It is equipped with connecting terminal, for complete machine power supply and data communication；The supply district of communication terminal is very wide, can accomplish AC80V-
AC264V。
3. communication terminal according to claim 1, it is characterised in that: the data communication terminal can support RS485/
422 wire communications carry out data reading system for various intelligent terminals.
4. communication terminal according to claim 1, it is characterised in that: be provided in the communication terminal RTC it is real-time when
Clock unit, real time clock unit are connected with Intelligent treatment kernel, for providing the real-time time signal of whole system, and it is right
Current copy reading data carry out beating timestamp storage.
5. intelligence PT according to claim 1, it is characterised in that: the primary voltage sampling coil essence in the intelligent PT
Degree is 0.1 grade, can accurately reflect the variation of primary voltage；Secondary voltage sampling coil precision in the intelligent PT is
0.2 grade, the variation of secondary voltage out can be fed back, one secondary voltage is compared by intelligent PT, it can be to the operation of PT
State carries out real-time monitoring.
6. intelligence PT according to claim 1, it is characterised in that: be equipped with power management list inside the PT intelligent object
Member, temperature collecting cell, intelligence communication unit, Power Management Unit is connected with secondary voltage acquisition coil, for intelligent PT's
Bulk supply；Temperature collecting cell can acquire the real time temperature inside mutual inductor；Intelligence communication unit can by micro energy lose without
Line carries out data communication, and is capable of the interception redundant message of intelligence.
7. intelligence CT according to claim 1, it is characterised in that: the primary current sampling coil essence in the intelligent CT
Degree is 0.1 grade, can accurately reflect the variation of primary current；Secondary current sampling coil precision in the intelligent CT is
0.2 grade, the variation of secondary current out can be fed back, one secondary current is compared by CT intelligent object, it can be to CT's
Operating status carries out real-time monitoring.
8. intelligence CT according to claim 1, it is characterised in that: it is equipped with inside the CT intelligent object and takes energy module,
Energy module is taken to be connected with the taking energy coil, taking by coil can be to intelligence CT bulk supply；Described taking can inside modules
Equipped with standby electric module, when power loss occurs in platform area or when low current in short-term, entire module can also continuous service.
9. intelligence CT according to claim 1, it is characterised in that: be equipped with high precision collecting inside the CT intelligent object
Unit, temperature collecting cell, intelligence communication unit；High precision collecting unit and the first and second current signal induction coil
It is connected, sampling precision is 0.1 grade；Temperature collecting cell can acquire the real time temperature inside mutual inductor；Intelligence communication unit energy
Data communication is carried out by micro power consumption wireless, and is capable of the interception redundant message of intelligence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811187710.4A CN109374950A (en) | 2018-10-11 | 2018-10-11 | A kind of anti-electricity-theft Intelligent transformator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811187710.4A CN109374950A (en) | 2018-10-11 | 2018-10-11 | A kind of anti-electricity-theft Intelligent transformator |
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| Publication Number | Publication Date |
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| CN109374950A true CN109374950A (en) | 2019-02-22 |
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ID=65403518
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811187710.4A Pending CN109374950A (en) | 2018-10-11 | 2018-10-11 | A kind of anti-electricity-theft Intelligent transformator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111611755A (en) * | 2019-05-28 | 2020-09-01 | 青岛鼎信通讯股份有限公司 | Intelligent mutual inductor and design method of low-power-consumption working mode thereof |
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