CN103514733A - Centralized meter reading terminal for realization of power distribution and power utilization information collection - Google Patents
Centralized meter reading terminal for realization of power distribution and power utilization information collection Download PDFInfo
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- CN103514733A CN103514733A CN201310525900.3A CN201310525900A CN103514733A CN 103514733 A CN103514733 A CN 103514733A CN 201310525900 A CN201310525900 A CN 201310525900A CN 103514733 A CN103514733 A CN 103514733A
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Abstract
The invention discloses a centralized meter reading terminal for realization of power distribution and power utilization information collection. A centralized meter reading terminal is used for collecting information of user electric meters through a communication interface, and is in communication with a power utilization information collection system; the centralized meter reading terminal is connected with a distribution transform table through communication interfaces, and is further in communication with a power distribution information monitoring master station. The centralized meter reading terminal can be in communication with double master stations simultaneously; on one hand, data of low-voltage user electricity meters is collected for billing, metering and the like, and on the other hand, the data about operation state of the power distribution equipment is collected, and is uploaded to the power distribution information monitoring master station, so as to realize equipment monitoring, fault location and fault judgment of a power distribution network in combination with a GIS system. The centralized meter reading terminal can be mounted on the side of network conductive equipment such as a distribution transformer, a column switch and a ring main unit.
Description
Technical field
The present invention relates to information acquisition field, relate in particular to the centralized automatic meter-reading terminal that realization is joined, power information gathers.
Background technology
Current, national grid, for monitoring the duty of controller switching equipment, is installed power distribution monitoring device in controller switching equipment side conventionally, is used for gathering the various service datas of controller switching equipment, and communicates information to remote monitoring main website.But this kind of scheme can not realize the recycling of resource, and involves great expense.And existing meter reading terminal function singleness can only transmit relevant metrical information to single main website simultaneously, can not accomplish the Real-Time Monitoring to controller switching equipment data.And after the power supply of terminal disappears, the RS485 communication module of terminal cannot work on, controller switching equipment information also cannot upload to main website.
Summary of the invention
The object of this invention is to provide a kind of realize join, centralized automatic meter-reading terminal that power information gathers, can to power distribution information monitoring main website, transmit distribution monitoring desired data and equipment alarm information in real time.
The present invention adopts following technical proposals: a kind of realize join, centralized automatic meter-reading terminal that power information gathers, centralized automatic meter-reading terminal gathers electric supply meter information by communication interface, centralized automatic meter-reading terminal and power information acquisition system communicate, described centralized automatic meter-reading terminal connects distribution transforming summary table by communication interface, and centralized automatic meter-reading terminal is also monitored master station communication with power distribution information.
Described communication interface is RS485 interface, and described RS485 interface is connected with standby power supply loop.
The real time data of described centralized automatic meter-reading terminal Real-time Collection electric energy meter and DC analogue quantity, generates 1 minute data curve
Described centralized automatic meter-reading terminal gathers primary equipment data in every 1 minute, if these data are compared with the data of last minute, fluctuating range surpasses 5%, initiatively to main website, reports and submits current data; Otherwise, no longer report and submit.
Described centralized automatic meter-reading terminal expands the up stipulations of GDW376.1, realizes the up real-time transmission of distribution transforming information, and the stipulations of expansion comprise:
Two class data uplink stipulations: quantity of state curve (AFN=0DH, FN=111);
Three class data uplink stipulations: oil temperature Threshold Crossing Alert (AFN=0EH, ERC=36);
Three class data uplink stipulations: overcurrent action protection signal record (AFN=0EH, ERC=38);
Three class data uplink stipulations: quick-break action protection signal record (AFN=0EH, ERC=39);
Three class data uplink stipulations: zero sequence action protection signal record (AFN=0EH, ERC=40);
Three class data uplink stipulations: electric energy meter Status Change record (AFN=0EH, ERC=42);
Three class data uplink stipulations: fault profile data record ripple (AFN=0EH, ERC=43).
The present invention is the centralized automatic meter-reading terminal based on " power information acquisition system ", can gather main website, power distribution information monitoring main website with power information and communicate by letter simultaneously; The data that gather low-voltage customer ammeter are on the one hand for charging, metering etc.; Gather on the other hand controller switching equipment running state data, and this information is uploaded to " power distribution information monitoring " main website, in conjunction with generalized information system, realize Distribution Network Equipment monitoring, localization of fault and fault judgement.Owing to being equipped with 485 standby power supply circuit, can the in the situation that of distribution dead electricity, continue collecting device status information ，Bing Xiang main website and transmit information.The present invention can be arranged on the network conduction equipment sides such as substation transformer, on-pole switch, ring main unit.
Accompanying drawing explanation
Fig. 1 is terminal general structure block diagram of the present invention;
Fig. 2 is the copy reading process flow diagram of terminal to event and profile data;
Fig. 3 is terminal real time data report flow figure;
Fig. 4 is terminal standby power supply processing flow chart.
Embodiment
As shown in Figure 1, the invention discloses a kind of realize join, centralized automatic meter-reading terminal that power information gathers, centralized automatic meter-reading terminal gathers electric supply meter information by communication interface, centralized automatic meter-reading terminal and power information acquisition system communicate, described centralized automatic meter-reading terminal connects distribution transforming summary table by communication interface, and centralized automatic meter-reading terminal is also monitored master station communication with power distribution information.Centralized automatic meter-reading terminal gathers the data of low-voltage customer ammeter on the one hand for charging, metering etc., for " power information acquisition system " communication of same national grid; Gather on the other hand controller switching equipment running state data, and this information is uploaded to power distribution information monitoring main website, for controller switching equipment monitoring provides equipment operation information, these two communication ports are separate when operation, are independent of each other.
Described communication interface is RS485 interface, and described RS485 interface is connected with standby power supply loop.After communication power supply power-off, can be still RS485 loop power supply, acquisition terminal after losing power supply, distribution system still can be communicated by letter with electric energy meter with main website, and can be by Information Monitoring real-time report to main website.The processing procedure of standby power supply and system power supply is as shown in Figure 4: when system power supply there is not electricity, being switched to standby power supply, is RS485 power supply, continues copy reading ammeter data, if copied, closes standby power supply.Wherein standby power supply can adopt battery.
Meter reading terminal of the present invention after finding electric energy meter state variation, reading power meters fault profile data in real time, and this profile data is passed to " power distribution information monitoring system " main website; As shown in Figure 2.Can also the quick-break of Real-time Collection distribution network device, overcurrent, zero-sequenceprotection actuating signal, and this actuating signal is passed to " power distribution information monitoring system " main website; This terminal can Real-time Collection electric energy meter and the real time data of DC analogue quantity, generates 1 minute data curve, realizes Real-time Electrical Distribution Network Data high-density acquisition; Meet the demand to distribution transforming equipment Real-Time Monitoring.
As shown in Figure 3, meter reading terminal of the present invention is realized real time data " change is sent out " function; This terminal gathers primary equipment data in every 1 minute, if these data are compared with the data of last minute, fluctuating range surpasses 5%, initiatively to main website, reports and submits current data; Otherwise, no longer report and submit; The object of this function is to guarantee, under the prerequisite of distribution net equipment information Real-Time Monitoring, to reduce communication network data process load.
Meter reading terminal of the present invention expands the up stipulations of GDW376.1, realizes the up real-time transmission of distribution transforming information; The stipulations that expand comprise:
Two class data uplink stipulations: quantity of state curve (AFN=0DH, FN=111);
Three class data uplink stipulations: oil temperature Threshold Crossing Alert (AFN=0EH, ERC=36);
Three class data uplink stipulations: overcurrent action protection signal record (AFN=0EH, ERC=38);
Three class data uplink stipulations: quick-break action protection signal record (AFN=0EH, ERC=39);
Three class data uplink stipulations: zero sequence action protection signal record (AFN=0EH, ERC=40);
Three class data uplink stipulations: electric energy meter Status Change record (AFN=0EH, ERC=42);
Three class data uplink stipulations: fault profile data record ripple (AFN=0EH, ERC=43).
Claims (5)
1. the centralized automatic meter-reading terminal that a realization is joined, power information gathers, centralized automatic meter-reading terminal gathers electric supply meter information by communication interface, centralized automatic meter-reading terminal and power information acquisition system communicate, it is characterized in that: described centralized automatic meter-reading terminal connects distribution transforming summary table by communication interface, centralized automatic meter-reading terminal is also monitored master station communication with power distribution information.
2. the centralized automatic meter-reading terminal that realization according to claim 1 is joined, power information gathers, is characterized in that: described communication interface is RS485 interface, described RS485 interface is connected with standby power supply loop.
3. the centralized automatic meter-reading terminal that realization according to claim 1 is joined, power information gathers, is characterized in that: the real time data of described centralized automatic meter-reading terminal Real-time Collection electric energy meter and DC analogue quantity, generates 1 minute data curve.
4. the centralized automatic meter-reading terminal that realization according to claim 1 is joined, power information gathers, it is characterized in that: described centralized automatic meter-reading terminal gathers primary equipment data for every 1 minute, if these data are compared with the data of last minute, fluctuating range surpasses 5%, initiatively to main website, reports and submits current data; Otherwise, no longer report and submit.
5. the centralized automatic meter-reading terminal that realization according to claim 1 is joined, power information gathers, is characterized in that: described centralized automatic meter-reading terminal expands the up stipulations of GDW376.1, realizes the up real-time transmission of distribution transforming information, and the stipulations of expansion comprise:
Two class data uplink stipulations: quantity of state curve (AFN=0DH, FN=111);
Three class data uplink stipulations: oil temperature Threshold Crossing Alert (AFN=0EH, ERC=36);
Three class data uplink stipulations: overcurrent action protection signal record (AFN=0EH, ERC=38);
Three class data uplink stipulations: quick-break action protection signal record (AFN=0EH, ERC=39);
Three class data uplink stipulations: zero sequence action protection signal record (AFN=0EH, ERC=40);
Three class data uplink stipulations: electric energy meter Status Change record (AFN=0EH, ERC=42);
Three class data uplink stipulations: fault profile data record ripple (AFN=0EH, ERC=43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310525900.3A CN103514733A (en) | 2012-11-02 | 2013-10-31 | Centralized meter reading terminal for realization of power distribution and power utilization information collection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210432369.0 | 2012-11-02 | ||
| CN201210432369 | 2012-11-02 | ||
| CN201310525900.3A CN103514733A (en) | 2012-11-02 | 2013-10-31 | Centralized meter reading terminal for realization of power distribution and power utilization information collection |
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| CN103514733A true CN103514733A (en) | 2014-01-15 |
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| CN105449869A (en) * | 2015-12-29 | 2016-03-30 | 安徽海兴泰瑞智能科技有限公司 | Electric power data acquisition and detection method |
| CN106680667A (en) * | 2016-12-09 | 2017-05-17 | 国网北京市电力公司 | Power equipment monitoring method, power equipment monitoring device and power equipment monitoring system |
| CN110995320A (en) * | 2019-12-27 | 2020-04-10 | 国网河北省电力有限公司电力科学研究院 | Three-phase electricity consumption data acquisition method and device based on broadband carrier communication |
| CN111132062A (en) * | 2019-12-25 | 2020-05-08 | 广州东方电科自动化有限公司 | Distribution transformer monitoring terminal supporting dual-master-station redundant communication and data processing method |
| CN112365698A (en) * | 2020-09-09 | 2021-02-12 | 北京潞电电气设备有限公司 | Communication controller and power distribution station room electric quantity acquisition system |
| CN112383552A (en) * | 2020-11-16 | 2021-02-19 | 国网江苏省电力有限公司营销服务中心 | User electricity consumption information minute-level acquisition and real-time control method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105449869A (en) * | 2015-12-29 | 2016-03-30 | 安徽海兴泰瑞智能科技有限公司 | Electric power data acquisition and detection method |
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| CN111132062A (en) * | 2019-12-25 | 2020-05-08 | 广州东方电科自动化有限公司 | Distribution transformer monitoring terminal supporting dual-master-station redundant communication and data processing method |
| CN110995320A (en) * | 2019-12-27 | 2020-04-10 | 国网河北省电力有限公司电力科学研究院 | Three-phase electricity consumption data acquisition method and device based on broadband carrier communication |
| CN110995320B (en) * | 2019-12-27 | 2022-05-10 | 国网河北省电力有限公司电力科学研究院 | Three-phase electricity consumption data acquisition method based on broadband carrier communication |
| CN112365698A (en) * | 2020-09-09 | 2021-02-12 | 北京潞电电气设备有限公司 | Communication controller and power distribution station room electric quantity acquisition system |
| CN112383552A (en) * | 2020-11-16 | 2021-02-19 | 国网江苏省电力有限公司营销服务中心 | User electricity consumption information minute-level acquisition and real-time control method |
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