CN103489259B - A kind of high-voltage user local cost control intelligent electric energy meter - Google Patents
A kind of high-voltage user local cost control intelligent electric energy meter Download PDFInfo
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- CN103489259B CN103489259B CN201310356850.0A CN201310356850A CN103489259B CN 103489259 B CN103489259 B CN 103489259B CN 201310356850 A CN201310356850 A CN 201310356850A CN 103489259 B CN103489259 B CN 103489259B
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- 230000005611 electricity Effects 0.000 claims abstract description 13
- 229910001200 Ferrotitanium Inorganic materials 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 claims description 2
- 230000009471 action Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims description 2
- 238000004590 computer program Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 230000004075 alteration Effects 0.000 claims 1
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
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Abstract
<b>the present invention relates to a kind of high pressure local charge control intelligent electric energy meter; this intelligent electric energy meter includes: supply unit, measuring screen, sealer and release unit; supply unit is connected with measuring screen and sealer by release unit; when electric energy meter remaining sum is lower than the overdraw thresholding amount of money or when exceeding predetermined value when load, chopper main contacts disconnects realization and stops power supply.The intelligent electric energy meter of the present invention can effectively reduce electricity charge risk, makes that user power utilization is more transparent, safety.</b>
Description
Technical field:
The invention belongs to power industry Electric Energy Metering Technology field, specifically relate to a kind of intelligent electric energy meter.
Background technology:
Current Spread in China applying high voltage user's electric energy meter is without expense control formula or remote bill control formula.
Without taking control formula electric energy meter in use, it is necessary to collected, according to electricity charge withholding rule, the electricity charge that user needs to pay by staff's timing of management electric energy department, tariff recovery exists is in arrears with problem, there is electricity charge risk.
Remote bill control formula electric energy meter refers to that power marketing department is by centralized meter-reading system network, completes expense control process；Remote bill control, owing to requiring higher to centralized meter-reading system networking, builds complexity.
Summary of the invention:
The technical scheme is that
A kind of high pressure local charge control intelligent electric energy meter; including: supply unit, measuring screen, sealer and release unit; supply unit is connected with measuring screen and sealer by release unit; when electric energy meter remaining sum is lower than the overdraw thresholding amount of money or when exceeding predetermined value when load, chopper main contacts disconnects realization and stops power supply.
A kind of charging method of high pressure local charge control intelligent electric energy meter, deduct fees module, basic charge as per installed capacity module and power factor adjustment charge module including electric degree, described electric degree module of deducting fees reduces power cost in real time, described basic charge as per installed capacity module reduces basic charge as per installed capacity by day month, described power factor adjustment charge module the monthly account day reduce power factor adjustment charge reduce the electricity charge.
It is an advantage of the current invention that:
1, high voltage customer local charge control is realized: by coordinating with primary cut-out or relay protection secondary circuit, it is achieved electric energy meter sends breaker tripping and closing signal, really realize local charge control.
2, realizing electric energy meter and reduce basic charge as per installed capacity: can calculate reduce user's basic charge as per installed capacity according to relevant laws and regulations and policy, regulations, deducting fees optional calculates by transformer capacity or maximum demand.
3, realize electric energy meter and reduce power factor adjustment charge: according to user's average power factor last month and user power utilization situation, calculate and reduce power factor adjustment charge.
4, electric energy meter can reduce the corresponding electricity charge according to business change: user does business changes, and electric energy meter reduces basic charge as per installed capacity according to respective specified calculating.
5, electric energy meter can send note to manager: when electric energy meter remaining sum is lower than the warning amount of money 1, the warning amount of money 2, the overdraw thresholding amount of money, electric energy meter can send SMS Tip to user, reminds user's power purchase.Subscriber Number can be arranged voluntarily, can arrange 3 customer contacts.
6, electric energy meter can send alarming short message to user: when occurring in electric energy meter running: when still having load current, electric energy meter cover opening and other operation exceptions after electric energy meter tripping operation, electric energy meter can send corresponding information to manager.Manager's phone number can be arranged as required to, and can arrange 2 managers.
Accompanying drawing illustrates:
Fig. 1 is primary cut-out or relay protection secondary circuit control intelligent electric energy meter conjunction, the tripping operation schematic diagram of the present invention；
The intelligent electric energy meter that Fig. 2 is the present invention uploads payment rule schematic diagram；
Fig. 3 is the intelligent electric energy meter SIM plug-in card schematic diagram of the present invention.
Detailed description of the invention:
The electric energy meter of the present invention is mainly through controlling the conjunction of electric energy meter, tripping operation with primary cut-out or coordinating of relay protection secondary circuit.Referring to Fig. 1, ac power supply apparatus is connected with measuring screen and ferrotitanium one line, ferrotitanium two wires sealer by circuit breaker trip coil.Measuring screen is arranged in parallel gauge table tripping operation normal opened contact 1 and load meter tripping operation normal opened contact 2.Ferrotitanium one line, ferrotitanium two wires sealer arrange tripping operation output clamping and protection device tripping operation guard relay; tripping operation output clamping and LP1-pressing plate; described tripping operation output clamping respectively ferrotitanium one line and the ferrotitanium two wires standby pressing plate of sealer; described tripping operation output clamping, according to the signaled action of electric energy meter, plays and controls the effect that high-pressure side isolation switches off or closes.
When electric energy meter remaining sum is lower than the overdraw thresholding amount of money, gauge table tripping operation normal opened contact Guan Bi is connected, the circuit breaker trip coil motion of power drives series connection so that chopper main contacts disconnects realization and stops power supply.The described overdraw thresholding amount of money is the maximum overdraw amount of money allowing user to use.
When load exceedes predetermined value, load meter tripping operation normal opened contact Guan Bi is connected, the circuit breaker trip coil motion of power drives series connection so that chopper main contacts disconnects realization and stops power supply.
When electric energy meter display tripping operation, sending trip signal, trip signal controls high-pressure side isolation by relay protection secondary circuit and switches off, and before electric energy meter sends permission switching signal, high-pressure side isolation switch does not allow Guan Bi.
Electric energy meter according to the present invention utilizes intelligent electric energy meter internal processes to control high voltage customer local charge control rule.This internal processes is write according to State Grid Corporation of China's intelligent electric energy meter technical specification for what the electricity charge controlled, deducts fees module, basic charge as per installed capacity module and power factor adjustment charge module including electric degree.Electric degree module of deducting fees reduces power cost in real time.Basic charge as per installed capacity module reduces basic charge as per installed capacity by day month.Power factor adjustment charge module the monthly account day reduce power factor adjustment charge reduce the electricity charge.Basic charge as per installed capacity module when business changes, can also change according to " regulation such as power supply and business rules " and calculate basic charge as per installed capacity, then the rule of deducting fees in electric energy meter program is modified.
Amendment is deducted fees after rule, it is necessary to by incoming for amended rule intelligent electric energy meter.As in figure 2 it is shown, the rule of deducting fees of amendment intelligent electric energy meter by electric energy meter RS-485 PORT COM, need to be modified by computer program.
As it is shown on figure 3, intelligent electric energy meter is inserted with SIM, it is achieved communication warning function.When electric energy meter is uncapped etc. abnormal, the software program of electric energy meter can by the SIM installed in table to default manager's phone number transmission note, and when electric energy meter remaining sum is lower than preset amount, this electric energy meter sends alarming short message to user.
10 kilovolts and above massive quantity power supply and measurement user; the type intelligent electric energy meter is installed; coordinate primary cut-out or relay protection secondary circuit; local charge control can be realized; electric energy meter can accurately measure; reduce basic charge as per installed capacity, power factor adjustment charge, power cost and reduce the corresponding electricity charge according to business change, SMS notification user or manager can be passed through in advance simultaneously.Can effectively reducing electricity charge risk, make user understand electricity consumption situation in real time simultaneously, electricity consumption is more transparent, protects user and power supply enterprise's legitimate interests.
Claims (5)
1. a high pressure local charge control intelligent electric energy meter, including: ac power supply apparatus, measuring screen, sealer and release unit, described sealer respectively ferrotitanium one line and ferrotitanium two wires sealer；When electric energy meter remaining sum is lower than the overdraw thresholding amount of money or when exceeding predetermined value when load, chopper main contacts disconnects realization and stops power supply；Wherein said ac power supply apparatus is connected with measuring screen and ferrotitanium one line, ferrotitanium two wires sealer by circuit breaker trip coil；Described measuring screen is arranged in parallel gauge table tripping operation normal opened contact and load meter tripping operation normal opened contact；Described ferrotitanium one line, ferrotitanium two wires sealer arrange tripping operation output clamping and protection device tripping operation guard relay; tripping operation output clamping is LP1-pressing plate; described tripping operation output clamping respectively ferrotitanium one line and the ferrotitanium two wires standby pressing plate of sealer; described tripping operation output clamping, according to the signaled action of electric energy meter, plays and controls the effect that high-pressure side isolation switches off or closes.
2. high pressure local charge control intelligent electric energy meter as claimed in claim 1, it is characterised in that: described electric energy meter is inserted with SIM, when electric energy meter arrearage or generation are abnormal, warning message can be sent to designated person.
3. the charging method of the high pressure local charge control intelligent electric energy meter as described in one of claim 1-2, deduct fees module, basic charge as per installed capacity module and power factor adjustment charge module including electric degree, described electric degree module of deducting fees reduces power cost in real time, described basic charge as per installed capacity module reduces basic charge as per installed capacity by day month, described power factor adjustment charge module the monthly account day reduce power factor adjustment charge reduce the electricity charge.
4. method as claimed in claim 3, it is characterised in that: described basic charge as per installed capacity module can also be modified according to business alteration.
5. method as claimed in claim 4, it is characterised in that: by electric energy meter RS-485 communication interface, computer program charging regulation is modified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310356850.0A CN103489259B (en) | 2013-08-16 | 2013-08-16 | A kind of high-voltage user local cost control intelligent electric energy meter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310356850.0A CN103489259B (en) | 2013-08-16 | 2013-08-16 | A kind of high-voltage user local cost control intelligent electric energy meter |
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| CN103489259A CN103489259A (en) | 2014-01-01 |
| CN103489259B true CN103489259B (en) | 2016-06-29 |
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| CN201310356850.0A Active CN103489259B (en) | 2013-08-16 | 2013-08-16 | A kind of high-voltage user local cost control intelligent electric energy meter |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112986897B (en) * | 2021-04-30 | 2021-12-10 | 国网山东省电力公司安丘市供电公司 | Metering control loop and fee control alarm method |
| CN113488994A (en) * | 2021-06-28 | 2021-10-08 | 国网重庆市电力公司营销服务中心 | Electric energy charge control method and device |
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|---|---|---|---|---|
| US6791211B1 (en) * | 2001-08-24 | 2004-09-14 | Reliance Controls Corporation | Double pole circuit breaker and switch system for a transfer switch |
| CN201435110Y (en) * | 2009-04-29 | 2010-03-31 | 上海科大鲁能集成科技有限公司 | Prepaid electric energy meter |
| CN101794480A (en) * | 2010-02-01 | 2010-08-04 | 合肥工业大学 | Pre-purchased power controller |
| CN101976817A (en) * | 2010-09-08 | 2011-02-16 | 河南省电力公司洛阳供电公司 | Start-up protection method and device for commissioning of electric equipment |
| CN102376026A (en) * | 2011-10-31 | 2012-03-14 | 冶金自动化研究设计院 | Industrial enterprise power utilization load optimizing system |
| CN202183596U (en) * | 2011-09-02 | 2012-04-04 | 鞍钢股份有限公司 | Protective relaying device of junctor |
| CN202616836U (en) * | 2012-05-31 | 2012-12-19 | 苏州市杰作电气成套有限公司 | Electric automobile direct current charging pile |
| CN103166180A (en) * | 2013-03-25 | 2013-06-19 | 广东电网公司东莞供电局 | Method and device for judging overload shedding for power system transformer |
-
2013
- 2013-08-16 CN CN201310356850.0A patent/CN103489259B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6791211B1 (en) * | 2001-08-24 | 2004-09-14 | Reliance Controls Corporation | Double pole circuit breaker and switch system for a transfer switch |
| CN201435110Y (en) * | 2009-04-29 | 2010-03-31 | 上海科大鲁能集成科技有限公司 | Prepaid electric energy meter |
| CN101794480A (en) * | 2010-02-01 | 2010-08-04 | 合肥工业大学 | Pre-purchased power controller |
| CN101976817A (en) * | 2010-09-08 | 2011-02-16 | 河南省电力公司洛阳供电公司 | Start-up protection method and device for commissioning of electric equipment |
| CN202183596U (en) * | 2011-09-02 | 2012-04-04 | 鞍钢股份有限公司 | Protective relaying device of junctor |
| CN102376026A (en) * | 2011-10-31 | 2012-03-14 | 冶金自动化研究设计院 | Industrial enterprise power utilization load optimizing system |
| CN202616836U (en) * | 2012-05-31 | 2012-12-19 | 苏州市杰作电气成套有限公司 | Electric automobile direct current charging pile |
| CN103166180A (en) * | 2013-03-25 | 2013-06-19 | 广东电网公司东莞供电局 | Method and device for judging overload shedding for power system transformer |
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| CN103489259A (en) | 2014-01-01 |
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