CN201673185U - Intelligent electric power inspection analysis device - Google Patents
Intelligent electric power inspection analysis device Download PDFInfo
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- CN201673185U CN201673185U CN201020182058XU CN201020182058U CN201673185U CN 201673185 U CN201673185 U CN 201673185U CN 201020182058X U CN201020182058X U CN 201020182058XU CN 201020182058 U CN201020182058 U CN 201020182058U CN 201673185 U CN201673185 U CN 201673185U
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Abstract
The utility model relates to an intelligent electric power inspection analysis device, which comprises a main terminal, an auxiliary terminal and a center station. The main terminal comprises a first main control unit, a first electric energy acquisition unit, a first PLC transmission unit, an alarm information acquisition unit and a communication module, the auxiliary terminal comprises a second main control unit, a second electric energy acquisition unit and a second PLC transmission unit, the first main control unit is connected with the first electric energy acquisition unit, the first PLC transmission unit, the alarm information acquisition unit and the communication module respectively, the second main control unit is connected with the second electric energy acquisition unit and the second PLC transmission unit respectively, the first PLC transmission unit is connected with the second PLC transmission unit, and the communication module is connected with the center station via the communication network. Compared with the prior art, the intelligent electric power inspection analysis device has the advantages of electric larceny prevention, compatibility between transformer and security of subscriber lines, wide applicable range and the like.
Description
Technical field
The utility model relates to a kind of device against charge evasion, especially relates to a kind of electric intelligent inspection analytical equipment.
Background technology
Strengthen the electric power meter technological transformation, making mutual inductor, metering secondary, electric energy meter, associating terminal box and table case etc. be modified to the concrete method of totally enclosed type metering by former open type metering has:
3.1 to the resident
Adopt to concentrate dress table case or totally-enclosed table case, promptly line inlet pipe, pipe inlet, case locks and the way of seal, and people, table are separated, and allows the user can't touch electric energy meter and secondary line.
3.2 to the high pressure user
Electric power meter is transformed: take to install additional dry type combination transformer (High-voltage measuring box), and seal with thermal shrinkable sleeve (or shrinkage sheath) at the combination transformer primary side, to prevent at the artificial short electricity-filching of primary connection terminal, secondary circuit uses the armouring lead, electric energy meter, the associating terminal box be installed in be provided with password and pick-proof lock totally enclosed type table case in etc. method, make whole electric power meter be in a full closeding state.And stoichiometric point moved by the following method (being indoor) to outdoor migration.
1) part special line special counter user is moved to stoichiometric point property right separation or transformer station without exception because of what the historical reasons stoichiometric point was located at user side in accordance with the law, and installation dry type combination transformer (High-voltage measuring box), make measurement loop separately, to avoid by the intermediate link stealing with other loop.
2) private enterprise, township and village enterprises such as special the change user, particularly minimills that " T " on the 10kV public line connect, shale brick field.Stoichiometric point is moved between the levels of 10kV common line and user's branch line, measuring apparatus is installed by high pressure user's electric power meter modification scheme.The table case is installed on the electric pole, installs wireless meter-copy device additional simultaneously in the table case, and it is more convenient, quick that the personnel of copying and accepting are checked meter.Bring certain degree of difficulty and risk to stealing, the machine that electricity filching person is not had take advantage of.
3) stoichiometric point is located at user side and metering method and is high user for low meter, change metering method into massive quantity power supply and measurement, and move on the outer inlet wire electric pole of switchgear building stoichiometric point or the transformer high-voltage side, electric power meter is installed by high pressure user's electric power meter modification scheme.Make the underground cable that is laid in originally become table back line by the table front, it is extremely chaotic, not only dangerous but also user's stealing is had an opportunity to take advantage of to have stopped low-voltage circuit.
3.3 to low user for low meter band TA
During transformation electric power meter is carried out once the totally-enclosed stealing that prevents with batch meter or cabinet.
3.4 the oil formula of invading is replaced with the dry type combination transformer
Original oil is invaded the formula combination transformer be replaced with precision 0.2S level dry type combination transformer.Invading the formula combination transformer because of oil can pry open at interior installation remote control electricity filching device, and the dry type combination transformer adopts integrated poured being integral, measure simultaneously with TA and adopt 0.2S and above precision, iron core adopts ultramicro-crystal alloy, make graph of errors be similar to a horizontal linear, even improve the electrorheological ratio, as long as actual primary current at more than 1% of rated primary current, just has enough measuring accuracies.Can prevent by the combination transformer stealing.
3.5 change original electromechanical electric energy meter
Use full electronic multifunctional electric energy meter of new generation.Because of the full electronic multifunctional electric energy meter has can not upside-down mounting, can not change constant, decompression, defluidization record and current imbalance record, negative phase sequence record, establish logout anti-stealing electricity function such as table.
3.6 it is big and the user of stealing suspicion arranged to power consumption
Also should in the table case, install " electric power meter misoperation instrument for measuring and recording " additional, this instrument for measuring and recording can utilize directly the report to the police various faults (as decompression, under-voltage, current open and short circuit, phase sequence mistake, wiring error etc.) of measurement loop of mobile communications network, again can be at any time and timing acquiring user power utilization load condition, user's electricity consumption situation is monitored and scientific management in real time.
3.7 original programmable device installed additional password program is set
The programmable device that password program is set has been installed; can easily He quickly install cryptoguard additional for electric energy meter; if do not input password correctly, any programmable device can't be operated electric energy meter, and this is to solve by the most simple and efficient way of programmable device stealing.
More than the measure of Cai Yonging all is passive, round how allowing the stealing molecule can't contact watt-hour meter, or can't juggle things at electricity consumption cabinet and point of incoming cables.The measure of adopting is various, and cost is higher, for example changes combination transformer, installs the logout instrument additional, ammeter is installed additional software and hardware protection etc.
Although the employing of above measure brings certain effect to anti-electricity-theft, all be passive and pay big cost to have certain difficulty on a large scale for promoting.And also there is not which measure to promote the use of at present as effective way.
Summary of the invention
The purpose of this utility model be exactly provide a kind of in order to overcome the defective that above-mentioned prior art exists and oppose electricity-stealing, transformer and the antitheft compatibility of subscribers feeder, electric intelligent inspection analytical equipment applied widely.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of electric intelligent inspection analytical equipment, it is characterized in that, comprise main end, secondary end, central station, described main end comprises first main control unit, the first electric energy acquisition unit, the one PLC transmission unit, the warning message collecting unit, communication module, described secondary end comprises second main control unit, the second electric energy acquisition unit, the 2nd PLC transmission unit, described first main control unit respectively with the first electric energy acquisition unit, the one PLC transmission unit, the warning message collecting unit, communication module connects, described second main control unit respectively with two electric energy acquisition unit, the 2nd PLC transmission unit connects, a described PLC transmission unit is connected with the 2nd PLC transmission unit, and described communication module is connected with central station by communication network.
The analog quantity input port that the input port of the described first electric energy acquisition unit, the second electric energy acquisition unit includes the RS485 port, is complementary with current transformer.
A described PLC transmission unit, the 2nd PLC transmission unit are the power carrier chip.
Described warning message collecting unit comprises the human body infrared detector, exchanges phase failure detecting device.
Described communication network comprises GSM network, GPRS network.
Compared with prior art, the utlity model has following advantage:
1, oppose electricity-stealing, transformer and the antitheft compatibility of subscribers feeder, and antitheft mode is the early warning mode, the warning after destroyed has more clear superiority to its effect than other;
2, applied widely, power department has user's power supply mode at present: massive quantity power supply and measurement, high for low meter, low for modes such as low meters, main consideration is the loss and the anti-electricity-theft problem of transformer, and no matter which kind of power supply mode can judge accurately whether its stealing electricity phenomenon takes place in the present invention;
3, master-pair end transmission mode adopts the power carrier chip, save network construction cost, easy for installation, safeguard simple.
Description of drawings
Fig. 1 is the structural representation of the main end of the present invention;
Fig. 2 is the structural representation of the secondary end of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Embodiment
As Fig. 1, shown in Figure 2, a kind of intelligence system that opposes electricity-stealing, comprise main end, secondary end, central station, described main end comprises first main control unit 1, the first electric energy acquisition unit 2, the one PLC transmission unit 3, warning message collecting unit 4, communication module 5, described secondary end comprises second main control unit 6, the second electric energy acquisition unit 8, the 2nd PLC transmission unit 7, the described first electric energy acquisition unit 2 is gathered first energy value of transformer output in real time, and send it to first main control unit 1, second energy value that the described second electric energy acquisition unit 8 is gathered the electric energy meter output terminal in real time, and send it to second main control unit 6, this second main control unit 6 is transferred to a PLC transmission unit 3 by the 2nd PLC transmission unit 7 with it with it, the one PLC transmission unit 3 sends it to first main control unit 1, first relatively first energy value and second energy value of main control unit 1, and whether the difference of judging both surpasses setting value, if not, first main control unit, 1 control communication module 5 sends to central station by communication network with both data, described warning message collecting unit 4 is gathered the status information of main end in real time and is sent it to first main control unit 1, this first main control unit 1 has judged whether abnormal conditions, if yes, first main control unit 1 control communication module 5 sends to central station by communication network with warning message.
The analog quantity input port that the input port of the described first electric energy acquisition unit 2, the second electric energy acquisition unit 8 includes the RS485 port, is complementary with current transformer.
The first electric energy acquisition unit 2 when the massive quantity power supply and measurement mode is taked in user's power supply, can directly read relevant energy data from the other batch meter of transformer, adopts the RS-485 port.High when adopting, and transformer side will gather the data from current transformer CT when not having electric energy meter for low meter or low for low meter mode, so adopt and analog quantity input port that CT is complementary.
These data when electric supply meter has data-out port, are directly gathered in the second electric energy acquisition unit 8, adopt the RS-485 port.If during user's nil ammeter, gather data from CT, adopt the analog quantity input that is complementary with CT.
A described PLC transmission unit 3, the 2nd PLC transmission unit 7 are the power carrier chip, be the French ST special chip ST7536 of company, have: orthogonal multiple carrier and advanced modulation and coding techniques, thereby realize adaptivity, can effectively resist decline of time varying frequency selectivity and interference the power line channel variation.Bring practical solution in the low-voltage customer line, carrying out the effective transmission of data.
Described warning message collecting unit 4 comprises the human body infrared detector, exchanges phase failure detecting device.Described communication network comprises GSM network, GPRS network.
Anti-electricity-theft data analysis of the present invention is calculated as follows:
Main end transformer-supplied output general power is P (∑)
Total n bar subscribers feeder output in the transformer-supplied platform district is P (i) to i user's delivery wherein, and i=1 is to n
Then transformer is to the power supply general power Pt1 (∑) of each subscribers feeder in the t1 time:
Pt1(∑)＝Pt1(1)+…Pt1(i)+Pt1(n)
User in i user's electric energy meter statistics of t1 time user side uses power to be
P′t1(i)
User side electric energy meter metering general power is P ' t1 (∑)
P′t1(∑)＝P′t1(1)+---+P′t1(i)+P′t1(n)
P ' t1 (∑) will deliver to main end by certain means of communication, and carry out line loss per unit Pt1 (L) at main end with Pt1 (∑) and calculate,
Pt1(L)＝【Pt1(∑)-P′t1(∑)】/Pt1(∑)(％)
The line loss per unit of the present invention when just adorning is defined as P (s), each Pt1 (L) constantly will compare with P (s) then, if its difference in the reasonable scope, think that then electricity consumption is normal, if difference is greater than setting range, then determining rapidly is which user belongs to improper, and this user and electricity consumption difference number percent are delivered to central station as alert.
Be that single-phase active power is:
P＝UφIφCOSφ
In the formula: U φ, I φ---phase voltage, phase current;
COS φ---power factor.
Phase three-wire three two element active power is:
P＝UabIaCOS(30+φa)+UcbIcCOS(30-φc)
Three-phase four-wire power supply active power is:
P＝Pa+Pb+Pc＝UaIaCOSφ+UbIbCOSφ+UcIcCOSφ
In view of the statistics of device is an electric flux difference variation number percent between master-pair end, in application, can uses item by item the data relative method to carry out the parameter comparison, and need not calculate general power.Can alleviate the software development workload in a large number like this.For example when stealing took place, the COS φ between the major-minor end was basic identical, and each phase voltage U is also mutually basic identical between the major-minor end, then also can omit calculating, and only got final product by calculating the phase current difference at last.
Claims (5)
1. an electric intelligent is checked analytical equipment, it is characterized in that, comprise main end, secondary end, central station, described main end comprises first main control unit, the first electric energy acquisition unit, the one PLC transmission unit, the warning message collecting unit, communication module, described secondary end comprises second main control unit, the second electric energy acquisition unit, the 2nd PLC transmission unit, described first main control unit respectively with the first electric energy acquisition unit, the one PLC transmission unit, the warning message collecting unit, communication module connects, described second main control unit respectively with two electric energy acquisition unit, the 2nd PLC transmission unit connects, a described PLC transmission unit is connected with the 2nd PLC transmission unit, and described communication module is connected with central station by communication network.
2. a kind of electric intelligent inspection analytical equipment according to claim 1, it is characterized in that the analog quantity input port that the input port of the described first electric energy acquisition unit, the second electric energy acquisition unit includes the RS485 port, is complementary with current transformer.
3. a kind of electric intelligent inspection analytical equipment according to claim 1 is characterized in that a described PLC transmission unit, the 2nd PLC transmission unit are the power carrier chip.
4. a kind of electric intelligent inspection analytical equipment according to claim 1 is characterized in that described warning message collecting unit comprises the human body infrared detector, exchanges phase failure detecting device.
5. a kind of electric intelligent inspection analytical equipment according to claim 1 is characterized in that described communication network comprises GSM network, GPRS network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020182058XU CN201673185U (en) | 2010-04-29 | 2010-04-29 | Intelligent electric power inspection analysis device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020182058XU CN201673185U (en) | 2010-04-29 | 2010-04-29 | Intelligent electric power inspection analysis device |
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| CN201673185U true CN201673185U (en) | 2010-12-15 |
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| CN201020182058XU Expired - Lifetime CN201673185U (en) | 2010-04-29 | 2010-04-29 | Intelligent electric power inspection analysis device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104835396A (en) * | 2015-05-11 | 2015-08-12 | 北京新源绿网节能科技有限公司 | Simulation system based on anti-electric-larceny skill training |
| CN112434942A (en) * | 2020-11-24 | 2021-03-02 | 国网河南省电力公司技能培训中心 | Intelligent early warning for preventing electricity stealing and user electricity utilization behavior analysis method |
-
2010
- 2010-04-29 CN CN201020182058XU patent/CN201673185U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104835396A (en) * | 2015-05-11 | 2015-08-12 | 北京新源绿网节能科技有限公司 | Simulation system based on anti-electric-larceny skill training |
| CN112434942A (en) * | 2020-11-24 | 2021-03-02 | 国网河南省电力公司技能培训中心 | Intelligent early warning for preventing electricity stealing and user electricity utilization behavior analysis method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI XINYING POWERTECH CO., LTD. Free format text: FORMER NAME: SHANGHAI XINYING POWER TECHNOLOGY DEVELOPMENT CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 200436 Shanghai, Zhabei District Jiang Field Road No. 214, room 250, No. three Patentee after: SHANGHAI XINYING POWERTECH CO., LTD. Address before: 200070 Shanghai city Zhabei District moling Road No. 50 room 5406 Patentee before: Shanghai Xinying Power Technology Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20101215 |
|
| CX01 | Expiry of patent term |