CN105044657A - Gateway electric energy meter monitoring system - Google Patents

Gateway electric energy meter monitoring system Download PDF

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Publication number
CN105044657A
CN105044657A CN201510575979.XA CN201510575979A CN105044657A CN 105044657 A CN105044657 A CN 105044657A CN 201510575979 A CN201510575979 A CN 201510575979A CN 105044657 A CN105044657 A CN 105044657A
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source
gateway meter
meter
gateway
serial ports
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CN105044657B (en
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刘毅
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Chengdu Si Han Science And Technology Co Ltd
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Chengdu Si Han Science And Technology Co Ltd
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Abstract

The present invention relates to a gateway electric energy meter monitoring system. With the gateway electric energy meter monitoring system adopted, gateway meter evaluation devices can acquire a large quantity of data sources. The gateway electric energy meter monitoring system includes a master station server, a data acquisition device and gateway meter evaluation devices; each gateway meter evaluation device is connected with a gateway meter assembly; a branching device assembly is arranged between each gateway meter evaluation device and a corresponding gateway meter assembly; the branching device assembly divides gateway meter data into two paths, wherein one path of gateway meter data is transmitted to the data acquisition unit, and the other path of gateway meter data is transmitted to the gateway meter evaluation device; and therefore, when the data acquisition device acquires gateway meter data, the gateway meter evaluation devices can also acquire the gateway meter data, and when the bus of the data acquisition device is idle, the gateway meter evaluation devices can acquire other data of gateway meters again, and thus, the gateway meter evaluation devices can obtain more data sources, and final analysis results are more comprehensive, and comprehensive monitoring can be performed on the gateway meters. The gateway electric energy meter monitoring system can be applied to and popularized in the substation online monitoring technical field.

Description

Gate energy meter supervisory system
Technical field
The present invention relates to transformer station's on-line monitoring technique field, relate to gate energy meter supervisory system specifically.
Background technology
Along with going deep into of power system reform, electric energy metrical has become the focus of power market components Interest Main Body side and social concerns, setting up scientific and normal, intensive efficient electric energy measuring management pattern is comply with power network development, ensures electric energy metrical inexorable trend accurately and reliably.Electric energy measuring management work is the important step of electric power enterprise Production&Operations Management and electric power netting safe running, its technology and management level not only concerning the development of power industry and electric power enterprise image but also the accurate, just of clearing that can affect trade, relate to the interests of vast power customer.But also there is following problem for the management of electric power meter: first, the inefficiency of the Traditional Man field-checking pattern generally adopted at present, Real-Time Monitoring and the timely early warning of fault can not be carried out to device, be difficult to the generation and the minimizing that effectively control metering fault; Secondly, lack the online difference analysis to the whole network loss, loss point cannot be found out in time and adopt an effective measure and carry out controlling and optimizing, thus it is serious to cause electrical network economy benefit to run off; Moreover, adopt traditional means cannot understand the on-the-spot ruuning situation of electric power meter in time, thus it is inaccurate to result in metering, power supply reliability can not be guaranteed, and cannot provide decision support in addition for electrical network marketing, the operation management of electric power meter lacks effective technical management means, electric power meter rotation on time cannot be made, calibrating etc. on time, thus it is accurate, just that electrical network trade settlement cannot be accomplished, had a strong impact on the image of power grid enterprises.
Based on above problem, building by utilizing application technology the routine work efficiency that gate energy meter supervisory system directly can improve energy metering supervision and management technician, saving a large amount of inspection cost; And along with the increase counted out in electrical network popularization and critical point, in the management of the Electric Energy Tariff Point Metering Device in future, play an important role in electrical network power quality analysis.
Existing gate energy meter supervisory system comprises main website server, data acquisition unit, described main website server is connected with multiple industrial computer, each industrial computer is connected with multiple Source of Gateway Meter apparatus for evaluating, described each Source of Gateway Meter apparatus for evaluating is connected with Source of Gateway Meter assembly, described Source of Gateway Meter assembly is made up of multiple Source of Gateway Meter, described Source of Gateway Meter, Source of Gateway Meter apparatus for evaluating is connected with power network, described data acquisition unit Real-time Collection Source of Gateway Meter data are also uploaded to the server of user profile acquisition system, described Source of Gateway Meter apparatus for evaluating Real-time Collection Source of Gateway Meter data also carry out data statistics and contrast to the data gathered, statistics and comparing result are uploaded to corresponding industrial computer, the statistics of acquisition and comparing result are uploaded to main website server by industrial computer, described main website server carries out remote monitoring and state estimation according to the statistics obtained and comparing result to Source of Gateway Meter, in use there is following problem in above-mentioned gate energy meter supervisory system: because gate energy meter supervisory system is arranged on original power information acquisition system basis, data acquisition unit and Source of Gateway Meter apparatus for evaluating all will gather Source of Gateway Meter data, and Source of Gateway Meter only has a PORT COM, such Source of Gateway Meter apparatus for evaluating just needs bus and the shared PORT COM of data acquisition unit of using data acquisition unit, Source of Gateway Meter apparatus for evaluating can only use bus image data at bus-free time, and collector inherently one-to-many equipment, a usual data acquisition unit will corresponding to the Source of Gateway Meter of more than at least six, when data acquisition unit gathers Source of Gateway Meter data, Source of Gateway Meter address instruction is sent thus the data of carrying out different Source of Gateway Meter are copied and accepted successively to different Source of Gateway Meter, only have after all Source of Gateway Meter data acquisitions complete by data acquisition unit, the bus be connected with data acquisition unit just can be idle, this just causes free time in the bus of data acquisition unit very limited, the requirement that Source of Gateway Meter apparatus for evaluating uses data acquisition unit bus cannot be reached, cause Source of Gateway Meter apparatus for evaluating can only obtain limited data source, the limited meeting of data that Source of Gateway Meter apparatus for evaluating obtains causes last analysis result comprehensive not, comprehensively cannot monitor Source of Gateway Meter.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of gate energy meter supervisory system that Source of Gateway Meter apparatus for evaluating can be made to obtain more data source.
The technical solution adopted for the present invention to solve the technical problems is: this gate energy meter supervisory system, comprise main website server, data acquisition unit, described main website server is connected with multiple industrial computer, each industrial computer is connected with multiple Source of Gateway Meter apparatus for evaluating, described each Source of Gateway Meter apparatus for evaluating is connected with Source of Gateway Meter assembly, described Source of Gateway Meter assembly is made up of multiple Source of Gateway Meter, described Source of Gateway Meter, Source of Gateway Meter apparatus for evaluating is connected with power network, described data acquisition unit Real-time Collection Source of Gateway Meter data are also uploaded to the server of user profile acquisition system, described Source of Gateway Meter apparatus for evaluating Real-time Collection Source of Gateway Meter data also carry out data statistics and contrast to the data gathered, and statistics and comparing result are uploaded to corresponding industrial computer, the statistics of acquisition and comparing result are uploaded to main website server by industrial computer, described main website server carries out remote monitoring and state estimation according to the statistics obtained and comparing result to Source of Gateway Meter, be provided with splitter assembly between described each Source of Gateway Meter apparatus for evaluating and Source of Gateway Meter assembly, described data acquisition unit is connected on splitter assembly, Source of Gateway Meter data are divided into two-way by described splitter assembly, and a road passes to data acquisition unit, and another road passes to Source of Gateway Meter apparatus for evaluating.
Be further, described Source of Gateway Meter assembly is made up of six Source of Gateway Meter, be respectively the first Source of Gateway Meter, the second Source of Gateway Meter, the 3rd Source of Gateway Meter, the 4th Source of Gateway Meter, the 5th Source of Gateway Meter, the 6th Source of Gateway Meter, described splitter assembly comprises the first splitter A, the second splitter A, the 3rd splitter A, the 4th splitter A, quintafurcation device A, the 6th splitter A, described first splitter A has three serial ports, one of them serial ports is connected with the first Source of Gateway Meter, and two other serial ports is connected with data acquisition unit, Source of Gateway Meter apparatus for evaluating respectively; Described second splitter A has three serial ports, and one of them serial ports is connected with the second Source of Gateway Meter, and two other serial ports is connected with data acquisition unit, Source of Gateway Meter apparatus for evaluating respectively; Described 3rd splitter A has three serial ports, and one of them serial ports is connected with the 3rd Source of Gateway Meter, and two other serial ports is connected with data acquisition unit, Source of Gateway Meter apparatus for evaluating respectively; Described 4th splitter A has three serial ports, and one of them serial ports is connected with the 4th Source of Gateway Meter, and two other serial ports is connected with data acquisition unit, Source of Gateway Meter apparatus for evaluating respectively; Described quintafurcation device A has three serial ports, and one of them serial ports is connected with the 5th Source of Gateway Meter, and two other serial ports is connected with data acquisition unit, Source of Gateway Meter apparatus for evaluating respectively; Described 6th splitter A has three serial ports, and one of them serial ports is connected with the 6th Source of Gateway Meter, and two other serial ports is connected with data acquisition unit, Source of Gateway Meter apparatus for evaluating respectively.
Be further, described Source of Gateway Meter assembly is made up of six Source of Gateway Meter, be respectively the first Source of Gateway Meter, the second Source of Gateway Meter, the 3rd Source of Gateway Meter, the 4th Source of Gateway Meter, the 5th Source of Gateway Meter, the 6th Source of Gateway Meter, described splitter assembly comprises the first splitter B, the second splitter B, described first splitter B has seven serial ports, wherein three serial ports are connected with the first Source of Gateway Meter, the second Source of Gateway Meter, the 3rd Source of Gateway Meter respectively, wherein three serial ports of other four serial ports are connected with data acquisition unit, and last serial ports is connected with Source of Gateway Meter apparatus for evaluating; Described second splitter B has seven serial ports, wherein three serial ports are connected with the 4th Source of Gateway Meter, the 5th Source of Gateway Meter, the 6th Source of Gateway Meter respectively, wherein three serial ports of other four serial ports are connected with data acquisition unit, and last serial ports is connected with Source of Gateway Meter apparatus for evaluating.
Be further, described Source of Gateway Meter assembly is made up of six Source of Gateway Meter, be respectively the first Source of Gateway Meter, second Source of Gateway Meter, 3rd Source of Gateway Meter, 4th Source of Gateway Meter, 5th Source of Gateway Meter, 6th Source of Gateway Meter, described splitter assembly comprises splitter C, described splitter C has seven serial ports, wherein three serial ports are connected with data acquisition unit, other four serial ports respectively with Source of Gateway Meter apparatus for evaluating, second Source of Gateway Meter, 4th Source of Gateway Meter, 6th Source of Gateway Meter is connected, described first Source of Gateway Meter and the second Source of Gateway Meter are cascaded, described 3rd Source of Gateway Meter and the 4th critical point are cascaded, 5th Source of Gateway Meter and the 6th Source of Gateway Meter are cascaded.
Be further, described Source of Gateway Meter assembly is made up of six Source of Gateway Meter, be respectively the first Source of Gateway Meter, the second Source of Gateway Meter, the 3rd Source of Gateway Meter, the 4th Source of Gateway Meter, the 5th Source of Gateway Meter, the 6th Source of Gateway Meter, described splitter assembly comprises splitter D, described splitter D has three serial ports, described three serial ports are connected with the 6th Source of Gateway Meter, Source of Gateway Meter apparatus for evaluating, data acquisition unit respectively, and described first Source of Gateway Meter, the second Source of Gateway Meter, the 3rd Source of Gateway Meter, the 4th Source of Gateway Meter, the 5th Source of Gateway Meter, the 6th Source of Gateway Meter are cascaded successively.
Further, also comprise PT harvester, described PT harvester is connected with Source of Gateway Meter apparatus for evaluating, and described PT harvester gathers the voltage data of voltage transformer pt and returns to Source of Gateway Meter apparatus for evaluating.
Further, also comprise CT harvester, described CT harvester is connected with Source of Gateway Meter apparatus for evaluating, and described CT harvester gathers the current data of Current Transmit and returns to Source of Gateway Meter apparatus for evaluating.
Be further, described Source of Gateway Meter apparatus for evaluating comprises switching value monitoring module, PT/CT communication module, Ethernet main website communication module, real-time clock module, RS232 field adjustable module, local memory module, supply module, hard core control module and multiple Source of Gateway Meter assessment unit, described switching value monitoring module, PT/CT communication module, Ethernet main website communication module, real-time clock module, RS232 field adjustable module, local memory module, supply module is connected respectively at hard core control module, the corresponding Source of Gateway Meter of each Source of Gateway Meter assessment unit, described each Source of Gateway Meter assessment unit comprises RS485 Source of Gateway Meter communication module, pulsed quantity acquisition module, AC sampling module, metering module, described RS485 Source of Gateway Meter communication module, pulsed quantity acquisition module, AC sampling module is connected with metering module respectively, the metering module of described each assessment unit is connected with hard core control module.
Further, described Source of Gateway Meter apparatus for evaluating also comprises Ethernet PT/CT transparent transmission module, and described Ethernet PT/CT transparent transmission module is connected with hard core control module.
Beneficial effect of the present invention: by arranging splitter assembly between each Source of Gateway Meter apparatus for evaluating and Source of Gateway Meter assembly of gate energy meter supervisory system, described data acquisition unit is connected on splitter assembly, when data acquisition unit gathers Source of Gateway Meter data, Source of Gateway Meter data are through splitter assembly, Source of Gateway Meter data are divided into two-way by described splitter assembly, one tunnel passes to data acquisition unit, another road passes to Source of Gateway Meter apparatus for evaluating, when data acquisition unit gathers Source of Gateway Meter data, Source of Gateway Meter apparatus for evaluating just obtains a Source of Gateway Meter data simultaneously like this, and at data acquisition unit bus-free time, Source of Gateway Meter apparatus for evaluating just can gather other data of Source of Gateway Meter again, such Source of Gateway Meter apparatus for evaluating just can obtain more data source, data source is more, last analysis result is just more accurate, and then comprehensively can monitor Source of Gateway Meter, unit check efficiency can be improved, realize comprehensive covering of measuring apparatus inspection.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of gate energy meter supervisory system of the present invention;
Fig. 2 is the first splitter modular construction block diagram of gate energy meter supervisory system of the present invention;
Fig. 3 is the second splitter modular construction block diagram of gate energy meter supervisory system of the present invention;
Fig. 4 is the third splitter modular construction block diagram of gate energy meter supervisory system of the present invention;
Fig. 5 is the 4th kind of splitter modular construction block diagram of gate energy meter supervisory system of the present invention;
Fig. 6 is the Source of Gateway Meter apparatus for evaluating structured flowchart of gate energy meter supervisory system of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
As shown in Figure 1, this gate energy meter supervisory system, comprise main website server, data acquisition unit, described main website server is connected with multiple industrial computer, each industrial computer is connected with multiple Source of Gateway Meter apparatus for evaluating, described each Source of Gateway Meter apparatus for evaluating is connected with Source of Gateway Meter assembly, described Source of Gateway Meter assembly is made up of multiple Source of Gateway Meter, described Source of Gateway Meter, Source of Gateway Meter apparatus for evaluating is connected with power network, described data acquisition unit Real-time Collection Source of Gateway Meter data are also uploaded to the server of user profile acquisition system, described Source of Gateway Meter apparatus for evaluating Real-time Collection Source of Gateway Meter data also carry out data statistics and contrast to the data gathered, and statistics and comparing result are uploaded to corresponding industrial computer, the statistics of acquisition and comparing result are uploaded to main website server by industrial computer, described main website server carries out remote monitoring and state estimation according to the statistics obtained and comparing result to Source of Gateway Meter, be provided with splitter assembly between described each Source of Gateway Meter apparatus for evaluating and Source of Gateway Meter assembly, described data acquisition unit is connected on splitter assembly, Source of Gateway Meter data are divided into two-way by described splitter assembly, and a road passes to data acquisition unit, and another road passes to Source of Gateway Meter apparatus for evaluating.By arranging splitter assembly between each Source of Gateway Meter apparatus for evaluating and Source of Gateway Meter assembly of gate energy meter supervisory system, described data acquisition unit is connected on splitter assembly, when data acquisition unit gathers Source of Gateway Meter data, Source of Gateway Meter data are through splitter assembly, Source of Gateway Meter data are divided into two-way by described splitter assembly, one tunnel passes to data acquisition unit, another road passes to Source of Gateway Meter apparatus for evaluating, when data acquisition unit gathers Source of Gateway Meter data, Source of Gateway Meter apparatus for evaluating just obtains a Source of Gateway Meter data simultaneously like this, and at data acquisition unit bus-free time, Source of Gateway Meter apparatus for evaluating just can gather other data of Source of Gateway Meter again, such Source of Gateway Meter apparatus for evaluating just can obtain more data source, data source is more, last analysis result is just more accurate, and then comprehensively can monitor Source of Gateway Meter, unit check efficiency can be improved, realize comprehensive covering of measuring apparatus inspection.
In the above-described embodiment, described Source of Gateway Meter assembly can adopt various ways to realize, as long as Source of Gateway Meter data can be divided into two, under normal circumstances, described Source of Gateway Meter assembly is made up of six Source of Gateway Meter, be respectively the first Source of Gateway Meter, second Source of Gateway Meter, 3rd Source of Gateway Meter, 4th Source of Gateway Meter, 5th Source of Gateway Meter, 6th Source of Gateway Meter, as preferred mode: as shown in Figure 2, described splitter assembly comprises the first splitter A, second splitter A, 3rd splitter A, 4th splitter A, quintafurcation device A, 6th splitter A, described first splitter A has three serial ports, one of them serial ports is connected with the first Source of Gateway Meter, two other serial ports respectively with data acquisition unit, Source of Gateway Meter apparatus for evaluating is connected, described second splitter A has three serial ports, and one of them serial ports is connected with the second Source of Gateway Meter, and two other serial ports is connected with data acquisition unit, Source of Gateway Meter apparatus for evaluating respectively, described 3rd splitter A has three serial ports, and one of them serial ports is connected with the 3rd Source of Gateway Meter, and two other serial ports is connected with data acquisition unit, Source of Gateway Meter apparatus for evaluating respectively, described 4th splitter A has three serial ports, and one of them serial ports is connected with the 4th Source of Gateway Meter, and two other serial ports is connected with data acquisition unit, Source of Gateway Meter apparatus for evaluating respectively, described quintafurcation device A has three serial ports, and one of them serial ports is connected with the 5th Source of Gateway Meter, and two other serial ports is connected with data acquisition unit, Source of Gateway Meter apparatus for evaluating respectively, described 6th splitter A has three serial ports, and one of them serial ports is connected with the 6th Source of Gateway Meter, and two other serial ports is connected with data acquisition unit, Source of Gateway Meter apparatus for evaluating respectively.The structure of this splitter assembly configures a splitter for each Source of Gateway Meter, such Source of Gateway Meter apparatus for evaluating needs 6 serial ports to realize the data acquisition of Source of Gateway Meter, each splitter A needs three serial ports, this splitter modular construction makes the acquisition channel between each Source of Gateway Meter and data acquisition unit be independently, be independent of each other, simultaneously, acquisition channel between each Source of Gateway Meter and Source of Gateway Meter apparatus for evaluating is also independently, be independent of each other, because data acquisition unit sends to six Source of Gateway Meter the data acquisition that address instruction carries out Source of Gateway Meter successively, namely at synchronization, data acquisition unit only gathers the data of one of them Source of Gateway Meter, if the collection of Current data acquisition device is the data of the first Source of Gateway Meter, then data acquisition unit only takies the bus be connected with the first Source of Gateway Meter, respectively with the second Source of Gateway Meter, 3rd Source of Gateway Meter, 4th Source of Gateway Meter, 5th Source of Gateway Meter, the bus that 6th Source of Gateway Meter is connected is all be in idle condition, such Source of Gateway Meter apparatus for evaluating just can be used the Source of Gateway Meter bus being in idle condition and gather the second Source of Gateway Meter, 3rd Source of Gateway Meter, 4th Source of Gateway Meter, 5th Source of Gateway Meter, the data of the 6th Source of Gateway Meter, simultaneously, the first Source of Gateway Meter data that data acquisition unit gathers are through splitter, first Source of Gateway Meter data are divided into two-way by described splitter, one tunnel passes to data acquisition unit, another road passes to Source of Gateway Meter apparatus for evaluating, when data acquisition unit gathers the first Source of Gateway Meter data, Source of Gateway Meter apparatus for evaluating just obtains a first Source of Gateway Meter data simultaneously like this, and when data acquisition unit gathers the first Source of Gateway Meter data, Source of Gateway Meter apparatus for evaluating just can gather the data of other Source of Gateway Meter simultaneously, such Source of Gateway Meter apparatus for evaluating just can obtain more data source, data source is more, last analysis result is just more comprehensive, and then comprehensively can monitor Source of Gateway Meter.
As the preferred mode of the second, as shown in Figure 3, described splitter assembly comprises the first splitter B, the second splitter B, described first splitter B has seven serial ports, wherein three serial ports are connected with the first Source of Gateway Meter, the second Source of Gateway Meter, the 3rd Source of Gateway Meter respectively, wherein three serial ports of other four serial ports are connected with data acquisition unit, and last serial ports is connected with Source of Gateway Meter apparatus for evaluating; Described second splitter B has seven serial ports, wherein three serial ports are connected with the 4th Source of Gateway Meter, the 5th Source of Gateway Meter, the 6th Source of Gateway Meter respectively, wherein three serial ports of other four serial ports are connected with data acquisition unit, and last serial ports is connected with Source of Gateway Meter apparatus for evaluating.The structure of this splitter assembly is that every three Source of Gateway Meter are configured a splitter, such Source of Gateway Meter apparatus for evaluating needs 2 serial ports to realize the data acquisition of Source of Gateway Meter, each splitter B needs seven serial ports, the serial port resource of Source of Gateway Meter apparatus for evaluating can be saved, this splitter structure makes the acquisition channel between each Source of Gateway Meter and data acquisition unit be independently, be independent of each other, because data acquisition unit sends to six Source of Gateway Meter the data acquisition that address instruction carries out Source of Gateway Meter successively, namely at synchronization, data acquisition unit only gathers the data of one of them Source of Gateway Meter, if the collection of Current data acquisition device is the data of the first Source of Gateway Meter, then data acquisition unit only takies the bus be connected with the first Source of Gateway Meter, respectively with the second Source of Gateway Meter, 3rd Source of Gateway Meter, 4th Source of Gateway Meter, 5th Source of Gateway Meter, the bus that 6th Source of Gateway Meter is connected is all be in idle condition, such Source of Gateway Meter apparatus for evaluating just can be used the Source of Gateway Meter bus being in idle condition and gather the second Source of Gateway Meter, 3rd Source of Gateway Meter, 4th Source of Gateway Meter, 5th Source of Gateway Meter, the data of the 6th Source of Gateway Meter, simultaneously, the first Source of Gateway Meter data that data acquisition unit gathers are through splitter, first Source of Gateway Meter data are divided into two-way by described splitter, one tunnel passes to data acquisition unit, another road passes to Source of Gateway Meter apparatus for evaluating, when data acquisition unit gathers the first Source of Gateway Meter data, Source of Gateway Meter apparatus for evaluating just obtains a first Source of Gateway Meter data simultaneously like this, and when data acquisition unit gathers the first Source of Gateway Meter data, Source of Gateway Meter apparatus for evaluating just can gather the data of other Source of Gateway Meter simultaneously, such Source of Gateway Meter apparatus for evaluating just can obtain more data source, data source is more, last analysis result is just more comprehensive, and then comprehensively can monitor Source of Gateway Meter.
As the third preferred mode, as shown in Figure 4, described splitter assembly comprises splitter C, described splitter C has seven serial ports, wherein three serial ports are connected with data acquisition unit, and other four serial ports are connected with Source of Gateway Meter apparatus for evaluating, the second Source of Gateway Meter, the 4th Source of Gateway Meter, the 6th Source of Gateway Meter respectively, and described first Source of Gateway Meter and the second Source of Gateway Meter are cascaded, described 3rd Source of Gateway Meter and the 4th critical point are cascaded, and the 5th Source of Gateway Meter and the 6th Source of Gateway Meter are cascaded.In this scenario, first Source of Gateway Meter and the second Source of Gateway Meter share a RS485 line, with splitter C, these road Source of Gateway Meter data are divided into two-way, one tunnel connection data collector, another road connects Source of Gateway Meter apparatus for evaluating, 3rd Source of Gateway Meter and the 4th Source of Gateway Meter share a RS485 line, with splitter C, these road Source of Gateway Meter data are divided into two-way, one tunnel connection data collector, another road connects Source of Gateway Meter apparatus for evaluating, 5th Source of Gateway Meter and the 6th Source of Gateway Meter share a RS485 line, adopt splitter C that these road Source of Gateway Meter data are divided into two-way, one tunnel connection data collector, another road connects Source of Gateway Meter apparatus for evaluating, such Source of Gateway Meter apparatus for evaluating only needs 1 serial ports to realize the data acquisition of Source of Gateway Meter, splitter C needs 7 serial ports, greatly can save the serial port resource of Source of Gateway Meter apparatus for evaluating, this splitter structure makes the first Source of Gateway Meter or the acquisition channel between the second Source of Gateway Meter and data acquisition unit, the acquisition channel of 3rd Source of Gateway Meter or the 4th between Source of Gateway Meter and data acquisition unit, the acquisition channel of 5th Source of Gateway Meter or the 6th between Source of Gateway Meter and data acquisition unit is independent mutually, be independent of each other, because data acquisition unit sends to six Source of Gateway Meter the data acquisition that address instruction carries out Source of Gateway Meter successively, namely at synchronization, data acquisition unit only gathers the data of one of them Source of Gateway Meter, if the collection of Current data acquisition device is the data of the first Source of Gateway Meter or the second Source of Gateway Meter, then data acquisition unit only takies and the first Source of Gateway Meter, the bus that second Source of Gateway Meter is connected, the bus be connected with the 3rd Source of Gateway Meter or the 4th Source of Gateway Meter, the bus be connected with the 5th Source of Gateway Meter or the 6th Source of Gateway Meter is all be in idle condition, such Source of Gateway Meter apparatus for evaluating just can be used the Source of Gateway Meter bus being in idle condition and gather the 3rd Source of Gateway Meter, 4th Source of Gateway Meter, 5th Source of Gateway Meter, the data of the 6th Source of Gateway Meter, simultaneously, the first Source of Gateway Meter that data acquisition unit gathers or the second Source of Gateway Meter data are through splitter, first Source of Gateway Meter data or the second Source of Gateway Meter data are divided into two-way by described splitter, one tunnel passes to data acquisition unit, another road passes to Source of Gateway Meter apparatus for evaluating, when data acquisition unit gathers the first Source of Gateway Meter data or the second Source of Gateway Meter data, Source of Gateway Meter apparatus for evaluating just obtains a first Source of Gateway Meter data or the second Source of Gateway Meter data simultaneously like this, and when data acquisition unit gathers the first Source of Gateway Meter data or the second Source of Gateway Meter data, Source of Gateway Meter apparatus for evaluating just can gather except the first Source of Gateway Meter simultaneously, the data of other Source of Gateway Meter beyond second Source of Gateway Meter, such Source of Gateway Meter apparatus for evaluating just can obtain more data source, data source is more, last analysis result is just more comprehensive, and then comprehensively can monitor Source of Gateway Meter.
As the 4th kind of optimal way: as shown in Figure 5, described splitter assembly comprises splitter D, described splitter D has three serial ports, described three serial ports respectively with the 6th Source of Gateway Meter, Source of Gateway Meter apparatus for evaluating, data acquisition unit is connected, described first Source of Gateway Meter, second Source of Gateway Meter, 3rd Source of Gateway Meter, 4th Source of Gateway Meter, 5th Source of Gateway Meter, 6th Source of Gateway Meter is cascaded successively, such first Source of Gateway Meter, second Source of Gateway Meter, 3rd Source of Gateway Meter, 4th Source of Gateway Meter, 5th Source of Gateway Meter, 6th Source of Gateway Meter shares a RS485 line, adopt splitter D that these Source of Gateway Meter data are divided into two-way, one tunnel connection data collector, another road connects Source of Gateway Meter apparatus for evaluating, such Source of Gateway Meter apparatus for evaluating only needs 1 serial ports to realize the data acquisition of Source of Gateway Meter, splitter D needs 3 serial ports, greatly can save the serial port resource of Source of Gateway Meter apparatus for evaluating and splitter.
System needs can install PT harvester and CT harvester when monitoring PT, CT, does not need monitoring PT, CT then can install separately Source of Gateway Meter apparatus for evaluating.Described PT harvester is connected with Source of Gateway Meter apparatus for evaluating, described PT harvester gathers the voltage data of voltage transformer pt and returns to Source of Gateway Meter apparatus for evaluating, Source of Gateway Meter apparatus for evaluating is monitored secondary circuit voltage drop according to the Source of Gateway Meter side voltage data of described PT voltage data and collection, described CT harvester is connected with Source of Gateway Meter apparatus for evaluating, described CT harvester gathers the current data of Current Transmit and returns to Source of Gateway Meter apparatus for evaluating, the electric current and voltage data that described Source of Gateway Meter apparatus for evaluating gathers according to described PT harvester and CT harvester are to the PT load of secondary circuit, CT load is monitored.
As shown in Figure 6, described Source of Gateway Meter apparatus for evaluating comprises switching value monitoring module, PT/CT communication module, Ethernet main website communication module, real-time clock module, RS232 field adjustable module, local memory module, supply module, hard core control module and multiple Source of Gateway Meter assessment unit, described switching value monitoring module, PT/CT communication module, Ethernet main website communication module, real-time clock module, RS232 field adjustable module, local memory module, supply module is connected respectively at hard core control module, the corresponding Source of Gateway Meter of each Source of Gateway Meter assessment unit, described each Source of Gateway Meter assessment unit comprises RS485 Source of Gateway Meter communication module, pulsed quantity acquisition module, AC sampling module, metering module, described RS485 Source of Gateway Meter communication module, pulsed quantity acquisition module, AC sampling module is connected with metering module respectively, the metering module of described each assessment unit is connected with hard core control module.This Source of Gateway Meter apparatus for evaluating is by arranging multiple Source of Gateway Meter assessment unit, each Source of Gateway Meter assessment unit is a corresponding Source of Gateway Meter separately, realize 1 to 1 mode process, non-interference between each Source of Gateway Meter assessment unit, which Source of Gateway Meter assessment unit goes wrong, only need by modular calibration configuration of directly dispatching from the factory, the on-the-spot Source of Gateway Meter assessment unit replacing correspondence, other Source of Gateway Meter assessment unit is not affected, other Source of Gateway Meter assessment unit still can continue to use, the utilization rate of equipment is higher, each Source of Gateway Meter assessment unit has a metering module simultaneously, metering module adopts computation chip to realize, the data of metering module to this Source of Gateway Meter assessment unit are added up and are contrasted, and the data result after statistics and contrast is sent to hard core control module, this reduces the operand of hard core control module, improve the treatment effeciency of whole Source of Gateway Meter apparatus for evaluating.
Hard core control module adopts MCU, MCU selects CS to select the current metering module chip that will communicate by sheet, complete the mutual of data, and then and next metering module chip communication, because the dominant frequency of the MCU chip of hard core control module is higher, it is very fast from the slewing rate ratio of the chip communication of different metering module, therefore can realize the real-time Communication for Power of data.
AC sampling module is responsible for the ac analog collection of primary Ioops, and wherein primary Ioops is 1 voltage 1 electric current.
RS485 Source of Gateway Meter communication module is responsible for the data acquisition of 6 pieces of Source of Gateway Meter, obtain the parameters of electric power such as voltage, electric current, active power, reactive power, applied power, active energy, reactive energy, frequency, phase angle of every block Source of Gateway Meter, obtain data by RS485 bus communication.
Pulsed quantity acquisition module realizes pulsed quantity collection, is mainly used in electric flux statistics and contrast.By arranging the corresponding relation of each channel number and Source of Gateway Meter, the difference of statistics and contrast impulse electric charge (Source of Gateway Meter) and collection electricity (circuit electricity) and error.
PT/CT communication module realizes communicating with PT equipment with CT equipment, realizes data transmission.Communication adopts RS485 or ZIGBEE wireless telecommunications to realize.Carry out timesharing management by synchronous clock, in timeslice alone, carry out data interaction successively.
Ethernet main website communication module realizes carrying out data interaction with main website server.Main website server carries out optimum configurations by this module to equipment, status monitoring, and sampled data and assessment raw data obtain.Use RJ45 interface.Be designed to TCP/IP service, as client in C/S structure, specify and connect main website server.
Real-time clock module realizes the operation of equipment clock time, the reservation of power down time.It is the base unit of system time management.Real-time clock module comprises GPS module and RTC chip, and wherein GPS is used for clock synchronous, and RTC chip can obtain calendar, clock etc.
RS232 field adjustable module primary responsibility completes presence states instruction by pilot lamp, realizes PC field maintemance operation, comprises parameters, read data etc. by serial ports.
Local memory module is mainly used in the preservation of equipment configuration parameter, and the preservation of sampled data, calibration parameter, the preservation of front 10 freezing data of history, event is preserved.
Switching value monitoring module realizes 6 way switch amount collections.Be mainly used in the sampling of line switching signal.
In addition, described Source of Gateway Meter apparatus for evaluating also comprises Ethernet PT/CT transparent transmission module, and described Ethernet PT/CT transparent transmission module is connected with hard core control module.This module is mainly used in the data interaction between different Source of Gateway Meter apparatus for evaluating, when electric energy meter sends data to main website, first data are transferred to Source of Gateway Meter apparatus for evaluating, and then send to industrial computer by Source of Gateway Meter apparatus for evaluating, industrial computer manages all Source of Gateway Meter apparatus for evaluating and electric energy meter, message is judged simultaneously, if need to send to the Source of Gateway Meter apparatus for evaluating of specifying, then sent by Ethernet PT/CT transparent transmission module.Source of Gateway Meter sends in the message of Source of Gateway Meter apparatus for evaluating with electric meter address, Source of Gateway Meter apparatus for evaluating sends to the address with Source of Gateway Meter apparatus for evaluating in the message of industrial computer simultaneously, industrial computer needs to judge Source of Gateway Meter address and Source of Gateway Meter apparatus for evaluating address, determines that the Source of Gateway Meter of which address needs to be transmitted to other Source of Gateway Meter apparatus for evaluating.

Claims (9)

1. gate energy meter supervisory system, comprise main website server, data acquisition unit, described main website server is connected with multiple industrial computer, each industrial computer is connected with multiple Source of Gateway Meter apparatus for evaluating, described each Source of Gateway Meter apparatus for evaluating is connected with Source of Gateway Meter assembly, described Source of Gateway Meter assembly is made up of multiple Source of Gateway Meter, described Source of Gateway Meter, Source of Gateway Meter apparatus for evaluating is connected with power network, described data acquisition unit Real-time Collection Source of Gateway Meter data are also uploaded to the server of user profile acquisition system, described Source of Gateway Meter apparatus for evaluating Real-time Collection Source of Gateway Meter data also carry out data statistics and contrast to the data gathered, and statistics and comparing result are uploaded to corresponding industrial computer, the statistics of acquisition and comparing result are uploaded to main website server by industrial computer, described main website server carries out remote monitoring and state estimation according to the statistics obtained and comparing result to Source of Gateway Meter, it is characterized in that: be provided with splitter assembly between described each Source of Gateway Meter apparatus for evaluating and Source of Gateway Meter assembly, described data acquisition unit is connected on splitter assembly, Source of Gateway Meter data are divided into two-way by described splitter assembly, and a road passes to data acquisition unit, and another road passes to Source of Gateway Meter apparatus for evaluating.
2. gate energy meter supervisory system according to claim 1, it is characterized in that: described Source of Gateway Meter assembly is made up of six Source of Gateway Meter, be respectively the first Source of Gateway Meter, second Source of Gateway Meter, 3rd Source of Gateway Meter, 4th Source of Gateway Meter, 5th Source of Gateway Meter, 6th Source of Gateway Meter, described splitter assembly comprises the first splitter A, second splitter A, 3rd splitter A, 4th splitter A, quintafurcation device A, 6th splitter A, described first splitter A has three serial ports, one of them serial ports is connected with the first Source of Gateway Meter, two other serial ports respectively with data acquisition unit, Source of Gateway Meter apparatus for evaluating is connected, described second splitter A has three serial ports, and one of them serial ports is connected with the second Source of Gateway Meter, and two other serial ports is connected with data acquisition unit, Source of Gateway Meter apparatus for evaluating respectively, described 3rd splitter A has three serial ports, and one of them serial ports is connected with the 3rd Source of Gateway Meter, and two other serial ports is connected with data acquisition unit, Source of Gateway Meter apparatus for evaluating respectively, described 4th splitter A has three serial ports, and one of them serial ports is connected with the 4th Source of Gateway Meter, and two other serial ports is connected with data acquisition unit, Source of Gateway Meter apparatus for evaluating respectively, described quintafurcation device A has three serial ports, and one of them serial ports is connected with the 5th Source of Gateway Meter, and two other serial ports is connected with data acquisition unit, Source of Gateway Meter apparatus for evaluating respectively, described 6th splitter A has three serial ports, and one of them serial ports is connected with the 6th Source of Gateway Meter, and two other serial ports is connected with data acquisition unit, Source of Gateway Meter apparatus for evaluating respectively.
3. gate energy meter supervisory system according to claim 1, it is characterized in that: described Source of Gateway Meter assembly is made up of six Source of Gateway Meter, be respectively the first Source of Gateway Meter, second Source of Gateway Meter, 3rd Source of Gateway Meter, 4th Source of Gateway Meter, 5th Source of Gateway Meter, 6th Source of Gateway Meter, described splitter assembly comprises the first splitter B, second splitter B, described first splitter B has seven serial ports, wherein three serial ports respectively with the first Source of Gateway Meter, second Source of Gateway Meter, 3rd Source of Gateway Meter is connected, wherein three serial ports of other four serial ports are connected with data acquisition unit, last serial ports is connected with Source of Gateway Meter apparatus for evaluating, described second splitter B has seven serial ports, wherein three serial ports are connected with the 4th Source of Gateway Meter, the 5th Source of Gateway Meter, the 6th Source of Gateway Meter respectively, wherein three serial ports of other four serial ports are connected with data acquisition unit, and last serial ports is connected with Source of Gateway Meter apparatus for evaluating.
4. gate energy meter supervisory system according to claim 1, it is characterized in that: described Source of Gateway Meter assembly is made up of six Source of Gateway Meter, be respectively the first Source of Gateway Meter, second Source of Gateway Meter, 3rd Source of Gateway Meter, 4th Source of Gateway Meter, 5th Source of Gateway Meter, 6th Source of Gateway Meter, described splitter assembly comprises splitter C, described splitter C has seven serial ports, wherein three serial ports are connected with data acquisition unit, other four serial ports respectively with Source of Gateway Meter apparatus for evaluating, second Source of Gateway Meter, 4th Source of Gateway Meter, 6th Source of Gateway Meter is connected, described first Source of Gateway Meter and the second Source of Gateway Meter are cascaded, described 3rd Source of Gateway Meter and the 4th critical point are cascaded, 5th Source of Gateway Meter and the 6th Source of Gateway Meter are cascaded.
5. gate energy meter supervisory system according to claim 1, it is characterized in that: described Source of Gateway Meter assembly is made up of six Source of Gateway Meter, be respectively the first Source of Gateway Meter, second Source of Gateway Meter, 3rd Source of Gateway Meter, 4th Source of Gateway Meter, 5th Source of Gateway Meter, 6th Source of Gateway Meter, described splitter assembly comprises splitter D, described splitter D has three serial ports, described three serial ports respectively with the 6th Source of Gateway Meter, Source of Gateway Meter apparatus for evaluating, data acquisition unit is connected, described first Source of Gateway Meter, second Source of Gateway Meter, 3rd Source of Gateway Meter, 4th Source of Gateway Meter, 5th Source of Gateway Meter, 6th Source of Gateway Meter is cascaded successively.
6. gate energy meter supervisory system according to claim 1, it is characterized in that: also comprise PT harvester, described PT harvester is connected with Source of Gateway Meter apparatus for evaluating, and described PT harvester gathers the voltage data of voltage transformer pt and returns to Source of Gateway Meter apparatus for evaluating.
7. gate energy meter supervisory system according to claim 6, it is characterized in that: also comprise CT harvester, described CT harvester is connected with Source of Gateway Meter apparatus for evaluating, and described CT harvester gathers the current data of Current Transmit and returns to Source of Gateway Meter apparatus for evaluating.
8. gate energy meter supervisory system according to claim 7, it is characterized in that: described Source of Gateway Meter apparatus for evaluating comprises switching value monitoring module, PT/CT communication module, Ethernet main website communication module, real-time clock module, RS232 field adjustable module, local memory module, supply module, hard core control module and multiple Source of Gateway Meter assessment unit, described switching value monitoring module, PT/CT communication module, Ethernet main website communication module, real-time clock module, RS232 field adjustable module, local memory module, supply module is connected respectively at hard core control module, the corresponding Source of Gateway Meter of each Source of Gateway Meter assessment unit, described each Source of Gateway Meter assessment unit comprises RS485 Source of Gateway Meter communication module, pulsed quantity acquisition module, AC sampling module, metering module, described RS485 Source of Gateway Meter communication module, pulsed quantity acquisition module, AC sampling module is connected with metering module respectively, the metering module of described each assessment unit is connected with hard core control module.
9. gate energy meter supervisory system according to claim 8, is characterized in that: described Source of Gateway Meter apparatus for evaluating also comprises Ethernet PT/CT transparent transmission module, and described Ethernet PT/CT transparent transmission module is connected with hard core control module.
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