CN2854607Y - Intelligent high-voltage meter box - Google Patents
Intelligent high-voltage meter box Download PDFInfo
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- CN2854607Y CN2854607Y CN 200520126259 CN200520126259U CN2854607Y CN 2854607 Y CN2854607 Y CN 2854607Y CN 200520126259 CN200520126259 CN 200520126259 CN 200520126259 U CN200520126259 U CN 200520126259U CN 2854607 Y CN2854607 Y CN 2854607Y
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Abstract
Intelligent high voltage measuring box belonging to the power measuring field is provided, which comprises a voltage sampling circuit, a current sampling circuit, and an electrical amperage monitor. The circuit and shell are enclosed into an integrated one and positioned in the high voltage side of the circuit. The measurement output circuit is connected to the external shell and introduced to the lower voltage side to connect the measurement electric energy meter. The utility model is characterized in that the voltage sampling circuit and current sampling circuit are arranged into two routes, one route is connected with the electrical energy monitor, the other route is connected with the measurement electric energy meter, the pulse of the measurement electric energy meter's output terminal is connected with the pulse input terminal of the electrical amperage monitor. The pulse output of the measuring kilowatt-hour meter transmits the electrical amperage information to the increment monitor to realize the monitor to the electrical amperage loop's current, voltage and energy. The output, alarm, opening and storage of the results will be measured and power theft will be ''actively'' and effectively prevented the power change will be recorded.
Description
Technical field
The intelligent high-pressure batch meter belongs to the power measurement field.
Background technology
Electric energy concerns the national economic development, is to use the important energy source that makes things convenient for the high-quality cleaning, does electric energy metrical work well, and is very important, and it directly has influence on and send out, supplies, electricity consumption three parts's economic interests.At present, under the situation of high voltage or big electric current, the metering of electric energy is to cooperate current transformer, voltage transformer (VT) or electric current, voltage combination transformer to realize by electric energy meter, mutual inductor becomes big electric current in the little electric current of standard, high voltage is become the standard low-voltage, insert electric energy meter by load wire and carry out electric energy metrical.Traditional like this quantitative model exists a lot of problems, and multicomponent is formed the high pressure measurement device, the wiring complexity, and the fault that measuring apparatus produces, phase shortage, short stream are in time to find, are prone to stealing electricity phenomenon.Addressing the above problem or in time finding and handle when going wrong is the vital task of current power metrological service.
At present, the stealing gimmick is multifarious, and modal is to start with from the ultimate principle of electric energy metrical.The secondary circuit that all will contact high-tension apparatus during the stealing crime could be set about, so the electric-power metering managerial personnel have taked a series of measures of anti-stealing electricity, for example: adopt the purpose of special-purpose batch meter or ammeter box to stop electricity filching person to touch measuring apparatus exactly, thereby strengthen the protective capacities of measuring apparatus self.For this reason, with batch meter or ammeter box make enough firm, also have the pick-proof problem of chamber door, sealing transformer low voltage leading-out terminal is to the conductor of measuring apparatus, the lead sealing of employing pick-proof.The enforcement of above electricity anti-theft method leans on great amount of manpower and material resources to realize, and has the serious lag phenomenon, and the stealing electricity phenomenon of not finding still has a lot; After finding stealing, very difficulty is investigated in the evidence obtaining of power-steeling quantity, stealing time, the stealing fact; Measuring apparatus is damaged can not in time inform relevant department, and the normal damage of measuring apparatus and stealing destroy and be difficult to distinguish, and give to handle afterwards and make troubles.All measures of taking be unable to do without " passive is an anti-" word, not only find very difficulty of stealing, and the stealing of finding often are not the whole of stealing.
Summary of the invention
The technical problems to be solved in the utility model provides a kind ofly can monitor measuring apparatus, monitor electric current, voltage and the power consumption of measurement loop in real time, effectively prevent stealing, and in time inform the ruuning situation of measuring apparatus, monitor the intelligent high-pressure batch meter of the ruuning situation of high pressure measurement device in real time.
The technical scheme that its technical matters that solves the utility model adopts is: the intelligent high-pressure batch meter, comprise voltage sample circuit, current sampling circuit, electric quantity monitor, circuit and housings close are one, be installed on the high-pressure side of circuit, the metering outlet line is connected to housing and introduces low-pressure side connection metering electric energy meter outward, its voltage sample circuit, current sampling circuit is arranged to two-way, one the tunnel connects electric quantity monitor, the metering electric energy meter of the outside that another road connects, the pulse output end of metering electric energy meter is connected to the pulse input end of electric quantity monitor, pass the signal of metering electric energy meter back electric quantity monitor, electric quantity monitor is analyzed and is handled accordingly the signal of passing back.
Described electric quantity monitor comprises high voltage electric energy monitoring module, electric energy increment monitoring module, electric energy increment comparer and output unit.The input end of high pressure monitoring module connects voltage sample circuit, current sampling circuit, and the high voltage electric energy monitoring module connects electric energy increment monitoring module, and the output terminal of high pressure monitoring module is connected to output unit.The high pressure monitoring module forms the standard electric value of thinking desirable, for the increment comparer provides comparison energy value.
The input end of described increment comparer connects the pulse output end of high pressure monitoring module and metering electric energy meter, and output terminal connects output unit.The input end of increment monitoring module connects builtin voltage sample circuit, current sampling circuit, and the output terminal of increment monitoring module connects the increment comparer.Output unit is connected to alarming execution device.Output unit is handled for the signal that increment comparer, high pressure monitoring module transmit, and realizes the man-machine connection of intelligence, can link alarm, gauge tap, clock memory or GPIS teletransmission etc.
The utility model intelligent high-pressure batch meter has beneficial effect and really is: compared with prior art, by with voltage sample circuit, current sampling circuit is arranged to two-way, one the tunnel connects electric quantity monitor, the metering electric energy meter of the outside that another road connects, the pulse output end of metering electric energy meter is connected to the pulse input end of electric quantity monitor, realization is to the electric energy metrical loop current, voltage, the monitoring of electric energy, the increment comparator results is exported by output unit, report to the police, open circuit, perhaps storage, can be in the metering power consumption, effectively prevent stealing, the record power consumption changes, under the situation that does not change existing electric energy measuring management pattern, increase the electric current of monitoring electric power meter in real time, the function of voltage and electric energy metrical numerical value.
Description of drawings
Fig. 1 is a theory diagram of the present utility model.
Fig. 2 is circuit theory diagrams of the present utility model.
Fig. 1, the 2nd, the most preferred embodiment of the utility model intelligent high-pressure batch meter, wherein: B1-B8 coil T1 transformer U1 high pressure monitoring module U2 increment monitoring module U3 increment comparer U4 output unit U5 metering electric energy meter
Embodiment
Be described further below in conjunction with Fig. 1,2 pairs of the utility model intelligent high-pressure batch meters.
Be theory diagram of the present utility model as shown in Figure 1, voltage sample circuit (voltage sensor or voltage transformer (VT)) and current sampling circuit (current sensor or current transformer) are arranged to two-way, one the tunnel connects high pressure monitoring module and increment monitoring module, and another road connects the metering electric energy meter of outside.The increment monitoring module connects voltage sample circuit, the current sampling circuit of outside metering electric energy meter, and the output terminal of increment monitoring module connects the increment comparer.Increment monitoring module, increment comparer, output unit and high pressure combination transformer winding are installed in the housing, and metering electric energy meter connects the increment comparer, and output unit connects the increment comparer.
Be circuit theory diagrams of the present utility model as shown in Figure 2, the voltage sample circuit of electric quantity monitor is by coil B7, B8 forms, coil B7, B8 connects high pressure monitoring module U1, the current sampling circuit of electric quantity monitor is by coil B5, B6 forms, coil B5, B6 connects high pressure monitoring module U1, high pressure monitoring module U1 connects output unit U4, the voltage sample circuit of outside metering electric energy meter U5 is by coil B3, B4 forms, coil B3, B4 connects metering electric energy meter U5, the current sampling circuit of outside metering electric energy meter U5 is by coil B1, B2 forms, coil B1, B2 connects metering electric energy meter U5, the circuit of increment monitoring module U2 connecting coil B1-B3, increment monitoring module U2 connects increment comparer U3, and the pulse output end of metering electric energy meter U5 connects increment comparer U3, and increment comparer U3 connects output unit U4.
The loop that coil B1-B4 forms, main effect is to connect outside metering electric energy meter U5, carries out the electric energy metrical of power consumption.The pulse delivery outlet of metering electric energy meter U5 is given increment comparer U3 with the power consumption information conveyance.Another loop that coil B5-B8 forms, effect is to connect the high pressure monitoring module U1 of enclosure interior, and high pressure monitoring module U1 forms the standard electric value of thinking desirable, and U3 provides comparison energy value for the increment comparer.In enclosure interior, the input end of increment monitoring module U2 connects coil B3, the B4 of voltage sample circuit of outside metering electric energy meter U5 and coil B1, the B2 of current sampling circuit, obtains the increments of change of power consumption then.Housing is installed in the high-pressure side of hi-line near-end.
The sample period of increment monitoring module U2 can be adjusted.The relative error alarming value of increment comparer U3 can be set at 1%, 3%, 5%, 7% or 10% as required.Output unit U4 can connect other output devices, alarm, isolating switch or storer, so that make a copy of and preserve the related data of metering electric energy meter U5 in real time, and relevant load data can be provided as requested.Output unit U4 can also support multiple communication modes, note (SMS), packet data exchanged (GPRS), can switch various communication modes automatically, promptly under the GPRS communication modes, work generally speaking, if meet GPRS because the problem of network can't can switch to communication under the short message state during communication automatically, and keep GPRS to pull out state on automatically, provide to the time function.
The course of work is as follows: the metering electric energy meter U5 of outside, carry out the electric energy metrical of power consumption.The pulse delivery outlet of metering electric energy meter U5 connects increment comparer U3, and the power consumption data delivery is arrived increment comparer U3.Increment monitoring module U2 arrives increment comparer U3 with the data delivery of gathering.Increment comparer U3 compares the increment of two-way electric quantity consumption, and result relatively is by output unit U4, exports and takes appropriate measures.High pressure monitoring module U1 monitoring current, voltage condition, as phase shortage, cutout, increment monitoring module U2 monitors electric flux.
When power stealing electric leakage situation took place, the data of increment watch-dog U2 and the data of metering electric energy meter U5 compared to have than mistake in increment comparer U3 and produce.If error surpasses setting value, output unit U4 makes alarm equipment alarm or isolating switch disconnect and uses electric line.In addition, situation once below taking place: batch meter opens the door and closes the door, the electric energy meter indication descends and stop walking, voltage decompression and phase shortage, customer charge overload, ammeter metering fault, the failure of checking meter, terminal power failure and give, during current differential and power failure monitoring or the like multiplexing electric abnormality, alarm equipment alarm or isolating switch disconnection electric line can be set also.
Claims (7)
1, intelligent high-pressure batch meter, comprise voltage sample circuit, current sampling circuit, electric quantity monitor, circuit and housings close are one, be installed on the high-pressure side of circuit, the metering outlet line is connected to housing and introduces low-pressure side connection metering electric energy meter outward, it is characterized in that: voltage sample circuit, current sampling circuit are arranged to two-way, one the tunnel connects electric quantity monitor, the metering electric energy meter of the outside that another road connects, the pulse output end of metering electric energy meter is connected to the pulse input end of electric quantity monitor.
2, intelligent high-pressure batch meter according to claim 1 is characterized in that: described electric quantity monitor comprises high pressure monitoring module, increment monitoring module, increment comparer and output unit.
3, intelligent high-pressure batch meter according to claim 2, it is characterized in that: the input end of described high pressure monitoring module connects voltage sample circuit, current sampling circuit, the high pressure monitoring module connects the increment monitoring module, and the output terminal of high pressure monitoring module is connected to output unit.
4, intelligent high-pressure batch meter according to claim 2 is characterized in that: the input end of described increment comparer connects the pulse output end of high pressure monitoring module and metering electric energy meter, and output terminal connects output unit.
5, intelligent high-pressure batch meter according to claim 2 is characterized in that: the input end of described increment monitoring module connects the voltage sample circuit of outside metering electric energy meter, current sampling circuit, and the output terminal of increment monitoring module connects the increment comparer.
6, intelligent high-pressure batch meter according to claim 2, it is characterized in that: described output unit is connected to alarming execution device.
7, intelligent high-pressure batch meter according to claim 1, it is characterized in that: the voltage sample circuit of described electric quantity monitor is by coil B7, B8 forms, coil B7, B8 connects high pressure monitoring module U1, the current sampling circuit of electric quantity monitor is by coil B5, B6 forms, coil B5, B6 connects high pressure monitoring module U1, high pressure monitoring module U1 connects output unit U4, the voltage sample circuit of outside metering electric energy meter U5 is by coil B3, B4 forms, coil B3, B4 connects metering electric energy meter U5, the current sampling circuit of outside metering electric energy meter U5 is by coil B1, B2 forms, coil B1, B2 connects metering electric energy meter U5, the circuit of increment monitoring module U2 connecting coil B1-B3, increment monitoring module U2 connects increment comparer U3, the pulse output end of metering electric energy meter U5 connects increment comparer U3, and increment comparer U3 connects output unit U4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520126259 CN2854607Y (en) | 2005-12-22 | 2005-12-22 | Intelligent high-voltage meter box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520126259 CN2854607Y (en) | 2005-12-22 | 2005-12-22 | Intelligent high-voltage meter box |
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| Publication Number | Publication Date |
|---|---|
| CN2854607Y true CN2854607Y (en) | 2007-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520126259 Expired - Lifetime CN2854607Y (en) | 2005-12-22 | 2005-12-22 | Intelligent high-voltage meter box |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072977A (en) * | 2010-12-13 | 2011-05-25 | 河南省电力公司南阳供电公司 | Automatic power-off method of intelligent electric energy meter in electricity stealing process |
| CN103852608A (en) * | 2012-11-29 | 2014-06-11 | 张金茂 | Electricity meter |
| CN105652053A (en) * | 2016-03-11 | 2016-06-08 | 国网山东省电力公司商河县供电公司 | Portable electric energy metering and electric shock preventing device |
| CN107247189A (en) * | 2017-07-26 | 2017-10-13 | 云南电网有限责任公司电力科学研究院 | The test system and its method of a kind of Transient grounding resistance |
-
2005
- 2005-12-22 CN CN 200520126259 patent/CN2854607Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072977A (en) * | 2010-12-13 | 2011-05-25 | 河南省电力公司南阳供电公司 | Automatic power-off method of intelligent electric energy meter in electricity stealing process |
| CN102072977B (en) * | 2010-12-13 | 2016-04-20 | 国网河南省电力公司南阳供电公司 | The method of auto-breaking during intelligent electric energy meter stealing |
| CN103852608A (en) * | 2012-11-29 | 2014-06-11 | 张金茂 | Electricity meter |
| CN105652053A (en) * | 2016-03-11 | 2016-06-08 | 国网山东省电力公司商河县供电公司 | Portable electric energy metering and electric shock preventing device |
| CN105652053B (en) * | 2016-03-11 | 2018-09-28 | 国网山东省电力公司商河县供电公司 | Portable electric energy metering, anti-electric shock apparatus |
| CN107247189A (en) * | 2017-07-26 | 2017-10-13 | 云南电网有限责任公司电力科学研究院 | The test system and its method of a kind of Transient grounding resistance |
| CN107247189B (en) * | 2017-07-26 | 2024-02-06 | 云南电网有限责任公司电力科学研究院 | Impact grounding impedance testing system and method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070103 |
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| EXPY | Termination of patent right or utility model |