CN110244253A - Provincial measurement centre's standard volume passes online management-control method - Google Patents

Provincial measurement centre's standard volume passes online management-control method Download PDF

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CN110244253A
CN110244253A CN201910486881.5A CN201910486881A CN110244253A CN 110244253 A CN110244253 A CN 110244253A CN 201910486881 A CN201910486881 A CN 201910486881A CN 110244253 A CN110244253 A CN 110244253A
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electric energy
stand
data packet
energy
main
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CN110244253B (en
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赵宇东
吴彤
郝新
冮若嘉
张羽
代宇
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Liaoning Electronic Energy Measuring Instruments Verification Station Co Ltd
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Liaoning Electronic Energy Measuring Instruments Verification Station Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00Testing or calibrating of apparatus covered by the other groups of this subclass
    • G01R35/04Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current

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  • General Physics & Mathematics (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

The present invention provides a kind of provincial measurement centre's standard volume biography online management-control method, manages including the qualification to metering validation activity, laboratory and inspection testing agency;The acquisition for passing data to standard volume is managed, daily measurement is remotely examined and determine with the accuracy of main electric energy meter, acquisition is synchronized using electric energy of the main electric energy collection device to main electric energy meter and stand-by electric energy table in verification process, the energy information of collected stand-by electric energy table is transmitted to stand-by electric energy acquisition device and is packaged processing transmission by main electric energy collection device, reduce the performance requirement to main electric energy collection device, stand-by electric energy acquisition device is when being packaged energy information, it is not directly to be packaged to the identification information of stand-by electric energy table, but received energy information is acquired using multiple sampled signals, the time for collecting electric energy and energy information are packaged, it is possible thereby to avoid configuring corresponding stand-by electric energy table identification information to each stand-by electric energy acquisition device.

Description

Provincial measurement centre's standard volume passes online management-control method
Technical field
The invention belongs to power grid metering fields, and in particular to a kind of online management-control method of provincial measurement centre's standard volume biography.
Background technique
As State Grid Corporation of China " three collection five are big " construction quickly propels, standard volume passes service management and vertically changes, is fine Change requires constantly improve, and it is electric power that standard volume, which passes business and covers the work of entire measurement centre's standard device magnitude tracing, transmitting, The important component of Enterprise Measure is to guarantee magnitude tracing, exact magnitude transmitting, reinforces measurement criteria management, improve The basis of working efficiency, work quality and the accuracy that works.However, metering managing and control system in each metrological service to lacking at present Unified global visualization monitoring shows function, externally also shows our unit's Internal Gauge calibrating authorization qualification and matter without providing The window of buret control theory publicity.In addition, being passed in data acquisition in standard volume, usually electric energy is surveyed by electric energy meter Amount, electric energy collection device are acquired electric energy, and collected electric energy is then transferred to measurement centre's server.Data acquisition In use, over time, accuracy may change (especially mechanical electric involved electric energy meter Energy table), the accurate metering of electric energy is influenced whether in this way, it at present can only be by regular on-site proving electric energy meter, to judge electric energy meter Accuracy whether change, measure the electric energy that obtains with the presence or absence of error, it is clear that this calibrating mode efficiency is lower.
Summary of the invention
The present invention provides a kind of provincial measurement centre's standard volume biography online management-control method, to solve metering managing and control system at present The qualification of each metrological service can not be managed and problem that electric energy meter accuracy calibrating efficiency is lower.
According to a first aspect of the embodiments of the present invention, provide a kind of provincial measurement centre's standard volume biography online management-control method, Include:
To metering validation activity, laboratory and the qualification of testing agency is examined to manage;
The acquisition for passing data to standard volume is managed: for M stoichiometric point, each stoichiometric point be arranged main electric energy meter with Stand-by electric energy table, the corresponding main electric energy meter of each stoichiometric point and stand-by electric energy table are connect with main electric energy collection device, the master Electric energy meter is used to carry out daily measurement to the electric energy of corresponding stoichiometric point;The main electric energy collection device measures the main electric energy meter To electric energy be acquired, and collected electric energy is packaged processing, forms the first energy data packet and be sent in metering Central server, the first energy data packet include address information, main electric energy meter identification information and the electricity of main electric energy collection device It can information;
For N number of stand-by electric energy table in M stand-by electric energy table, it is correspondingly arranged a stand-by electric energy acquisition device, M, N are equal For the integer greater than 2 and N is less than or equal to M, and the control signal output connection of the stand-by electric energy acquisition device is described N number of The start end of stand-by electric energy table, when needing to examine and determine the accuracy of the main electric energy meter, measurement centre's server Calibrating information is sent to the stand-by electric energy acquisition device, the stand-by electric energy acquisition device is receiving the calibrating information Afterwards, N number of stand-by electric energy table starting is controlled, N number of stand-by electric energy table after actuation, carries out the electric energy of corresponding stoichiometric point Measurement;
It is provided with N number of data forwarding port on the main electric energy collection device and N number of connects with corresponding stand-by electric energy table Stand-by electric energy acquire port, each data forwarding port forms unit with stand-by electric energy curve and connect, each spare Electric energy curve forms unit and all connect with a sample port group in the stand-by electric energy acquisition device, each sample port group Including two sample ports, the control signal output of the stand-by electric energy acquisition device is also connected with the main electric energy collection device Enabled control terminal;
The stand-by electric energy acquisition device makes after receiving the calibrating information to the main electric energy collection device transmission Can control signal, the main electric energy collection device receive it is described make to can control signal after, control and enable standby electricity N number of thereon Port, N number of data forwarding port can be acquired, hereafter starts to be acquired the electric energy that N number of stand-by electric energy table measures, and By corresponding data forwarding port, the electric energy of collected stand-by electric energy table is transmitted to corresponding stand-by electric energy curve and forms list Member, the stand-by electric energy curve form unit according to the electric energy of the correspondence stand-by electric energy table received, form corresponding standby electricity Energy time changing curve, and the stand-by electric energy time changing curve is sent to corresponding sampling end on stand-by electric energy acquisition device Mouthful group, the sampled signal of the 1st sample port is expressed as 2*L, the sampled signal of the 2nd sample port in each sample port group It is expressed as 2*L-1, wherein L indicates sampling number, for the integer greater than 0;
The stand-by electric energy acquisition device is directed to two collected energy informations of sample port in each sample port group, It is encapsulated into the second energy data packet, the second energy data packet includes the address information of stand-by electric energy acquisition device, electricity Energy information and the timestamp for indicating the electric energy acquisition moment, and after each sampling is completed, sampling starts next time Before, the second energy data packet of the 1st sample port group and each time before this sampling in sampling this is selected to adopt The second energy data packet of corresponding acquisition port set is transferred to measurement centre's server in sample, so as to be transferred to every time described The timestamp of each second energy data packet of measurement centre's server is not identical;
Measurement centre's server is after receiving the first energy data packet and the second energy data packet, first according to institute State the address information of the first energy data Bao Zhongzhu electric energy collection device, the determining address information pair with the main electric energy collection device The address information for the stand-by electric energy acquisition device answered filters out pair according to the address information of determining stand-by electric energy acquisition device Then the second energy data packet answered according to the timestamp in the second energy data packet for filtering out and receives the period, determines The second energy data packet corresponding with each stand-by electric energy table, for each stand-by electric energy table, according to the second determining electric energy number According to packet, stand-by electric energy time changing curve corresponding with the stand-by electric energy table is drawn out, and draw out and the stand-by electric energy table pair The main electric energy time changing curve for the main electric energy meter answered, by corresponding main electric energy time changing curve and stand-by electric energy time change Curve compares, and the accuracy of measurement of the main electric energy meter is examined and determine in analysis.
In a kind of optional practical ways, the stand-by electric energy acquisition device is after each sampling is completed, next time Before sampling starts, selection by this sample in the 1st sample port group the second energy data packet and this sampling before Each sampling in the second energy data packet of corresponding acquisition port set to be transferred to measurement centre's server include: in L After secondary sampling is completed, before the L+1 times sampling starts, by the second energy data of the 1st sample port group in the L times sampling Packet is transferred to measurement centre's server;
Successively judge whether L-j is greater than 0, j for the integer greater than 0 and enables j value since 1, if so, by the L-j times The second energy data packet of+1 sample port group of jth is transferred to measurement centre's server and does not otherwise do and locate in sampling Reason.
In another optional practical ways, measurement centre's server is according to the second energy data packet filtered out In timestamp and receive the period, determine that corresponding with each stand-by electric energy table the second energy data packet includes:
Measurement centre's server is directed to the second energy data packet filtered out, it is first determined second energy data Packet is locating to receive the period, wherein when the second energy data packet be after the L time sampling completion, the L+1 times sampling beginning Before when being transferred to measurement centre's server, accordingly measurement centre's server receives the period of the second energy data packet and is L-th receive the period, in it is identical receive the period the second energy data packet, by the second energy data packet according to when Between the size stabbed be ranked up, will be per adjacent two second energy data packet as a data packet group, by the high number of timestamp kth According to package as the corresponding second energy data packet of k-th of sample port group, k is the integer greater than 0;And according to stand-by electric energy The corresponding relationship of table and sample port group determines the corresponding second energy data packet of each stand-by electric energy table;
Measurement centre's server maps go out the main electric energy time change of main electric energy meter corresponding with the stand-by electric energy table Curve includes: to determine main electric energy corresponding with each stand-by electric energy table according to the corresponding relationship of main electric energy meter and stand-by electric energy table First energy data packet of table;Main electric energy corresponding with each stand-by electric energy table is drawn out according to the first determining energy data packet The main electric energy time changing curve of table.
In another optional practical ways, measurement centre's server is bent by corresponding main electric energy time change When line and stand-by electric energy time changing curve compare, judge that each energy value point on stand-by electric energy time changing curve is It is no on main electric energy time changing curve, if so, the measurement of the calibrating main electric energy meter is accurate, otherwise, examine and determine the main electricity The measurement inaccuracy of energy table.
In another optional practical ways, to metering validation activity, laboratory and examine the qualification of testing agency into Row is managed
To metering validation activity, laboratory and qualification grade, expiration time and the honor information of testing agency is examined to carry out Management and displaying;
It is carried out in the correspondence preset time before the qualification of metering validation activity, laboratory and inspection testing agency expires Alarm.
The beneficial effects of the present invention are:
1, the present invention is by adopting the stand-by electric energy table for examining and determine ancillary equipment as main electric energy meter accuracy with main electric energy meter Acquisition means be connected, the electric energy of stand-by electric energy table is acquired using main electric energy meter acquisition device, may be implemented main electric energy meter and The synchronous acquisition of the electric energy of stand-by electric energy table;By the way that stand-by electric energy acquisition device is arranged, main electric energy meter acquisition device is acquired To the energy information of stand-by electric energy table be transmitted to stand-by electric energy acquisition device, by stand-by electric energy acquisition device to the stand-by electric energy The electric energy of table carries out processing transmission, can reduce the processing communication performance requirement to main electric energy meter acquisition device;By needing Just control starts stand-by electric energy table when carrying out main electric energy meter accuracy calibrating, in daily measurement and is not turned on, can be to avoid standby Accuracy variation also occurs with electric energy meter, so that the electric energy measured using the stand-by electric energy table as standard, carries out main electric energy meter Calibrating can be more accurate;Stand-by electric energy acquisition device is not first to look into when being packaged processing to received electric energy The identification information of corresponding stand-by electric energy table is found, then identification information and energy information are encapsulated into data packet, but first basis The electric energy received is formed electric energy time changing curve, then is adopted using two sampled signals to electric energy time changing curve Collection, will encapsulate into the second energy data packet at the time of collected electric energy with energy information, and to the second energy data packet Transmission mechanism and measurement centre's server are designed the recognition mechanism of the second energy data packet, it is possible thereby to avoid distinguishing Each stand-by electric energy acquisition device is configured, transformation efficiency is improved;In addition, biography of the present invention in the second energy data packet In defeated mechanism after each sampling is completed, before sampling starts next time, corresponding energy data packet is transmitted, i.e., every time After having acquired data, first corresponding data are transmitted, then carry out data acquisition next time again, it so can be to avoid each The timestamp for being transferred to each second energy data packet of measurement centre's server duplicates;The present invention passes through to the second electric energy The transmission mechanism of data packet is designed, and can also improve efficiency of transmission, is examined and determine while realizing multiple main electric energy meter accuracy;
2, the present invention by metering validation activity, laboratory and examine the qualification grade of testing agency, expiration time and Honor information is managed and shows, can be convenient and carries out promotional display to each mechanism, and by before qualification expires It is alerted in corresponding preset time, the expired situation of qualification can be avoided the occurrence of.
Detailed description of the invention
Fig. 1 is one embodiment flow chart that the provincial measurement centre's standard volume of the present invention passes online management-control method;
Fig. 2 is one embodiment that standard volume of the present invention passes electric energy meter accuracy mutation analysis circuit in data acquisition control Block diagram;
Fig. 3 is one embodiment relation schematic diagram between times of collection, acquisition port set and timestamp.
Specific embodiment
Technical solution in embodiment in order to enable those skilled in the art to better understand the present invention, and make of the invention real The above objects, features, and advantages for applying example can be more obvious and easy to understand, with reference to the accompanying drawing to technical side in the embodiment of the present invention Case is described in further detail.
In the description of the present invention, unless otherwise specified and limited, it should be noted that term " connection " should do broad sense reason Solution, for example, it may be mechanical connection or electrical connection, the connection being also possible to inside two elements can be directly connected, it can also Indirectly connected through an intermediary, for the ordinary skill in the art, can understand as the case may be above-mentioned The concrete meaning of term.
Referring to Fig. 1, one embodiment flow chart of online management-control method is passed for the provincial measurement centre's standard volume of the present invention.It should Provincial measurement centre's standard volume passes online management-control method
Step S101, to metering validation activity, laboratory and the qualification of testing agency is examined to manage.
In the present embodiment, to metering validation activity, laboratory and qualification grade, expiration time and the honor of examining testing agency Reputation information is managed and shows;Correspondence before the qualification of metering validation activity, laboratory and inspection testing agency expires It is alerted in preset time.The present invention by metering validation activity, laboratory and examine testing agency qualification grade, arrive Time phase and honor information are managed and show, can be convenient and carry out promotional display to each mechanism, and by arriving in qualification It is alerted in correspondence preset time before phase, the expired situation of qualification can be avoided the occurrence of.
Step S102, the acquisition for passing data to standard volume is managed: for M stoichiometric point, each stoichiometric point is arranged Main electric energy meter and stand-by electric energy table, the corresponding main electric energy meter of each stoichiometric point and stand-by electric energy table connect with main electric energy collection device It connects, the main electric energy meter is used to carry out daily measurement to the electric energy of corresponding stoichiometric point;The main electric energy collection device is to the master The electric energy that electric energy meter measures is acquired, and collected electric energy is packaged processing, forms the first energy data packet hair Measurement centre's server is given, the first energy data packet includes the address information of main electric energy collection device, measurement centre's clothes Address information, main electric energy meter identification information and the energy information of business device.With the main electric energy of main electric energy collection device and 4 stoichiometric points For table is connected with stand-by electric energy table, wherein M=4, N=3, as shown in connection with fig. 2, stoichiometric point 1 are provided with main electric energy meter 1 and spare Electric energy meter 1, stoichiometric point 2 are provided with main electric energy meter 2 and stand-by electric energy table 2, and stoichiometric point 3 is provided with main electric energy meter 3 and stand-by electric energy Table 3, stoichiometric point 4 are provided with main electric energy meter 4 and stand-by electric energy table 4, wherein main electric energy meter 1-4, stand-by electric energy table 1-4 respectively with master Electric energy collection device connection, main electric energy meter 1-4 are used to carry out daily measurement to the electric energy of corresponding stoichiometric point 1-4;Main electric energy acquisition Device, first according to the port for collecting the electric energy, is locally finding corresponding main electric energy meter mark after collecting electric energy Then information is packaged processing to collected energy information and main electric energy meter identification information, form the first energy data packet It is sent to measurement centre's server.
In the present embodiment, electric energy meter will have a direct impact on as the most basic unit of electrical energy measurement, electric energy measurement accuracy To the accurate metering of electric energy.It can only determine that electric energy meter measurement is by way of periodically arriving scene and carrying out electric energy meter calibration at present It is no accurate, but this requires staff to go to on-site proving, calibrating efficiency is lower.The present invention proposes by the way of long-range pair Electric energy meter accuracy is examined and determine, thus the present invention is directed to each stoichiometric point, is both provided with main electric energy meter and stand-by electric energy table, Middle main electric energy meter is used to carry out daily electric energy measurement to stoichiometric point, the stand-by electric energy when needing to carry out main electric energy meter accuracy calibrating Table is used as auxiliary calibration equipment, since in daily measurement and without using stand-by electric energy table, stand-by electric energy table is because of itself group A possibility that part wears and accuracy is caused to change is lower, thus the electric energy that main electric energy meter and stand-by electric energy table are measured carries out Comparison, so that it may which the accuracy of main electric energy meter is examined and determine in analysis.
In order to which the electric energy for measuring main electric energy meter and stand-by electric energy table is accurately compared, need to main electric energy meter and standby Acquisition is synchronized with the electric energy that electric energy meter measures, otherwise without comparability.Since calibrating carries out at random, if adopted It is acquired with the electric energy that two different electric energy collection devices respectively measure main electric energy meter and stand-by electric energy table, then very It is difficult to guarantee the synchronism of acquisition, therefore main electric energy meter and stand-by electric energy table are measured preferably with same electric energy collection device Electric energy is acquired.But electric energy collection device not only needs to be acquired electric energy, it is also necessary to be packaged to energy information It handles and transmits, may be connect with the main electric energy meter of multiple stoichiometric points in an electric energy collection device practical application, if should Electric energy collection device is connect with the stand-by electric energy table of multiple stoichiometric points again, then can process performance to the electric energy collection device and Communication performance proposes higher requirement, it could even be possible to needing to re-replace main electric energy collection device, to meet calibrating demand, nothing It doubts and will increase improvement cost in this way.The present invention proposes corresponding to stoichiometric point respectively using a main electric energy collection device first thus Main electric energy meter and the electric energy that measures of stand-by electric energy table be acquired, then by the energy information of collected stand-by electric energy table Be transmitted to the stand-by electric energy acquisition device added, the energy information that stand-by electric energy table is measured by stand-by electric energy acquisition device into Row processing transmission, it is possible thereby to reduce process performance and the communication performance requirement to main electric energy collection device.
Specifically, for N number of stand-by electric energy table in M stand-by electric energy table, it is correspondingly arranged a stand-by electric energy acquisition dress It sets, M, N are the integer greater than 2 and N is less than or equal to M, and the control signal output of the stand-by electric energy acquisition device connects The start end for connecing N number of stand-by electric energy table, when needing to examine and determine the accuracy of the main electric energy meter, in the metering Central server sends calibrating information to the stand-by electric energy acquisition device, and the stand-by electric energy acquisition device is receiving the inspection After determining information, control the N number of stand-by electric energy table starting, N number of stand-by electric energy table after actuation, to the electricity of corresponding stoichiometric point It can be carried out measurement;It is provided with N number of data forwarding port on the main electric energy collection device and N number of connects with corresponding stand-by electric energy table The stand-by electric energy acquisition port connect, for every group of corresponding stand-by electric energy acquisition port and data forwarding port, stand-by electric energy Port is acquired after the electric energy for collecting corresponding stand-by electric energy table, by corresponding data forwarding port, by the collected electricity It can forward.
For example, have 3 stoichiometric points in 4 stoichiometric points in example shown in Fig. 2, it is corresponding with a stand-by electric energy acquisition device, Processing transmission, residue meter are carried out by the electric energy that the stand-by electric energy acquisition device measures stand-by electric energy table in this 3 stoichiometric points Amount point can be corresponding with another stand-by electric energy acquisition device, using another stand-by electric energy acquisition device or directly utilizes main electricity Energy acquisition device, the electric energy measured stand-by electric energy table in the residue stoichiometric point carry out processing transmission.Stand-by electric energy acquisition dress The start end of the control signal output connection stand-by electric energy table 1-3 set is needing the accuracy to the main electric energy meter to carry out When calibrating, measurement centre's server sends calibrating information, the stand-by electric energy acquisition to the stand-by electric energy acquisition device Device after receiving the calibrating information, control stand-by electric energy table 1-3 starting, stand-by electric energy table 1-3 after actuation, to correspondence The electric energy of stoichiometric point 1-3 measures.It is provided with 3 data forwarding ports on main electric energy collection device, forwards it for corresponding The energy information of the stand-by electric energy acquisition collected stand-by electric energy table 1-3 in port.
Although increasing stand-by electric energy acquisition device, the process performance and communication performance to main electric energy collection device can be reduced It is required that but being identified for the ease of energy information of measurement centre's server to each electric energy meter, main electric energy collection device After collecting electric energy, the port of the electric energy can be received according to it first, finds electric energy meter mark corresponding with the port Then information encapsulates the electric energy meter identification information and energy information to the first energy data packet.If main electric energy collection device Collected energy information after being forwarded to stand-by electric energy acquisition device, stand-by electric energy acquisition device be also find out it is corresponding Electric energy meter identification information, and the electric energy meter identification information and energy information are packaged into the first energy data packet, then standby electricity Energy acquisition device is in the corresponding relationship that should be locally previously stored with the forwarding data receiver port and electric energy meter identifier, each Stand-by electric energy acquisition device will carry out special configuration respectively, it is clear that efficiency is lower.In order to improve stand-by electric energy acquisition device Versatility, the present invention proposes that the electric energy that measures in a novel manner stand-by electric energy table is packaged processing, and can protect Card measurement centre's server is quickly and accurately positioned the electric energy letter that each main electric energy meter and its stand-by electric energy table synchro measure arrive Breath.
Specifically, each data forwarding port forms unit with a stand-by electric energy curve and connect, each stand-by electric energy Curve forms unit and all connect with a sample port group in the stand-by electric energy acquisition device, and each sample port group includes The control signal output of two sample ports, the stand-by electric energy acquisition device is also connected with making for the main electric energy collection device It can control end.The stand-by electric energy acquisition device is sent after receiving the calibrating information to the main electric energy collection device Make to can control signal, the main electric energy collection device receive it is described make to can control signal after, control is enabled N number of spare thereon Hereafter electric energy acquisition port, N number of data forwarding port start to be acquired the electric energy that N number of stand-by electric energy table measures, And by corresponding data forwarding port, the electric energy of collected stand-by electric energy table is transmitted to corresponding stand-by electric energy curve and is formed Unit, the stand-by electric energy curve form unit according to the electric energy of the correspondence stand-by electric energy table received, are formed corresponding spare Collected each electric energy of each moment (is connected) by electric energy time changing curve, and the stand-by electric energy time changing curve is sent out Corresponding sample port group on stand-by electric energy acquisition device is given, the sampling letter of the 1st sample port in each sample port group Number it is expressed as 2*L, the sampled signal of the 2nd sample port is expressed as 2*L-1, and it is whole greater than 0 that wherein L, which indicates sampling number, Number.
For example, 3 data forwarding ports all form unit with a stand-by electric energy curve and connect in example shown in Fig. 2,3 A stand-by electric energy curve forms unit and all connect with a sample port group in the stand-by electric energy acquisition device, each sampling end The sampled signal of the 1st sample port is all 2*L in mouth group, and the sampled signal of the 2nd sample port is all 2*L-1.With random To work as L=1 for 10:00:00 at the time of calibrating, i.e., when sampling for the first time, the 1-2 sampling end in each sample port group Be respectively as follows: 10:00:02,10:00:01 at the time of mouth acquisition electric energy, work as L=2, i.e., when sampling for the second time, each sample port group In the 1-2 sample port acquisition electric energy at the time of be respectively as follows: 10:00:04,10:00:03, work as L=3, i.e., third time samples When, in sample port group at the time of the 1-2 sample port acquisition electric energy all are as follows: 10:00:06,10:00:05, and so on. From, as can be seen that being directed to the 1st sample port in each sample port group, first time to third time samples in the above-mentioned moment When acquisition the electric energy moment be respectively as follows: 10:00:02,10:00:04,10:00:06, adopted for the 2nd in each sample port group Sample port is respectively as follows: 10:00:01,10:00:03,10:00:05 at the time of acquisition electric energy when first time to third time samples. As it can be seen that it is 2s that the sampling period of two sample ports is identical in each sample port group, but sampling start time is different, and It is different at the time of two sample port acquisition electric energy in same sample port group in the sampling of phase homogeneous, in different sample port groups It is identical at the time of corresponding sample port acquisition electric energy, not in homogeneous sampling, two sample port acquisitions in each sample port group It is different at the time of electric energy.
The stand-by electric energy acquisition device is directed to two collected energy informations of sample port in each sample port group, It is encapsulated into the second energy data packet, the second energy data packet includes the address information of stand-by electric energy acquisition device, electricity Energy information and the timestamp for indicating the electric energy acquisition moment, and after each sampling is completed, sampling starts next time Before, select by this sample in the corresponding second energy data packet of the 1st sample port group and this sampling before it is each The second energy data packet of corresponding acquisition port set is transferred to measurement centre's server in secondary sampling, so as to be transferred to every time The timestamp of each second energy data packet of measurement centre's server is not identical.Specifically, the stand-by electric energy acquisition Device is after each sampling is completed, before sampling starts next time, selection by this sample in the 1st sample port group the The second energy data packet of corresponding acquisition port set is transferred in each sampling before two energy data packets and this sampling Measurement centre's server include: the L times sampling completion after, the L+1 time sampling start before, will the L times sample in Second energy data packet of the 1st sample port group is transferred to measurement centre's server;Successively judge whether L-j is greater than 0, J is the integer greater than 0 and enables j value since 1, if so, by second of+1 sample port group of jth in the L-j times sampling Energy data packet is transferred to measurement centre's server and is otherwise not processed.
For example, in example shown in Fig. 2, the time of the corresponding second energy data packet of 3 sample port groups in preceding sampling three times Schematic diagram is stabbed as shown in figure 3, the timestamp of the corresponding second energy data packet of 3 sample port groups is 10 for the first time in sampling: 00:01,10:00:02, for the second time in sampling, the timestamp of the corresponding second energy data packet of 3 sample port groups is 10:00: 03,10:00:04, in third time sampling, the timestamp of the corresponding second energy data packets of 3 sample port groups be 10:00:05, 10:00:06.After (L=1) sampling is completed for the first time, before second sampling starts, since L-j is equal to 0 as j=1, Therefore the corresponding second energy data packet of the 1st sample port group in first time sampling is only transferred to measurement centre's server, The timestamp for being transferred to the second energy data packet of measurement centre's server at this time includes: 10:00:01,10:00:02;Second After secondary (L=2) sampling is completed, before third time sampling starts, j value since 1 ing is enabled, L-j=1 is greater than 0, j=2 when j=1 When L-2=0, thus in addition to that the corresponding second energy data packet of the 1st sample port will be transferred in metering in second sampling Outside central server, the corresponding second energy data packet of the 2nd sample port group in first time sampling is also transferred to measurement centre Server, the timestamp for being transferred to the second energy data packet of measurement centre's server at this time includes: 10:00:01,10:00: 02,10:00:03,10:00:04;After third time (L=3) sampling is completed, before the 4th sampling starts, enable j since 1 Value, L-j=0 when L-j=1 is greater than 0, j=3 when L-j=2 is greater than 0, j=2 when j=1, thus in addition to will be in third time sampling The corresponding second energy data packet of 1st sample port group is transferred to outside measurement centre's server, will also be the 2nd in second of sampling Corresponding second electric energy of 3rd sample port group in the corresponding second energy data packet of a sample port group and for the first time sampling Data packet is transferred to measurement centre's server, is transferred to the timestamp packet of the second energy data packet of measurement centre's server at this time It includes: 10:00:01,10:00:02,10:00:03,10:00:04,10:00:05,10:00:06.As it can be seen that being transferred to metering every time The timestamp of each second energy data packet of central server is different from.
Measurement centre's server is after receiving the first energy data packet and the second energy data packet, first according to institute State the address information of the first energy data Bao Zhongzhu electric energy collection device, the determining address information pair with the main electric energy collection device The address information for the stand-by electric energy acquisition device answered filters out pair according to the address information of determining stand-by electric energy acquisition device Then the second energy data packet answered according to the timestamp in the second energy data packet for filtering out and receives the period, determines The second energy data packet corresponding with each stand-by electric energy table, for each stand-by electric energy table, according to the second determining electric energy number According to packet, stand-by electric energy time changing curve corresponding with the stand-by electric energy table is drawn out, and draw out and the stand-by electric energy table pair The main electric energy time changing curve for the main electric energy meter answered, by corresponding main electric energy time changing curve and stand-by electric energy time change Curve compares, and the accuracy of measurement of the main electric energy meter is examined and determine in analysis.
Wherein, measurement centre's server is according to the timestamp in the second energy data packet filtered out and when reception Section determines that corresponding with each stand-by electric energy table the second energy data packet includes: that measurement centre's server is directed to and filters out The second energy data packet, when the second energy data packet is after the L times sampling is completed, before the L+1 times sampling starts In the corresponding transmission period when transmission, accordingly measurement centre's server receives the period of the second energy data packet as l-th The period is received, for the second energy data packet in the identical reception period, by the second energy data packet according to timestamp Size be ranked up, will per adjacent two second energy data packet as a data packet group, using the high data packet group of kth as The corresponding second energy data packet of k-th of sample port group, k are the integer greater than 0;According to stand-by electric energy table and sample port group Corresponding relationship, determine the corresponding second energy data packet of each stand-by electric energy table.For example, in timestamp schematic diagram shown in Fig. 3, For after third time (L=3) sampling is completed, before the 4th sampling starts, stand-by electric energy acquisition device is in addition to by third The corresponding second energy data packet of the 1st sample port group is transferred to outside measurement centre's server in secondary sampling, will also be second In sampling the corresponding second energy data packet of the 2nd sample port group and for the first time in sampling the 3rd sample port group is corresponding The second energy data packet be transferred to measurement centre's server, as irised out timestamp in Fig. 3, be transferred at this time measurement centre service The timestamp of second energy data packet of device include: 10:00:01,10:00:02,10:00:03,10:00:04,10:00:05, 10:00:06, measurement centre's server, can be by these the second energy data packets after receiving these the second energy data packets It is identified as in the 3rd receptions period, it, will often adjacent two for all second energy datas in the 3rd reception period Two energy data packets as a data packet group, by the high data packet group of timestamp the 1st (timestamp 10:00:05,10:00: 06 the second energy data packet) it is used as the corresponding second energy data packet of the 1st sample port group, by the high number of timestamp the 2nd According to package (the second energy data packet of timestamp 10:00:03,10:00:04) as the 2nd sample port group corresponding the Two energy data packets, by high data packet group (the second energy data of timestamp 10:00:01,10:00:02 of timestamp the 3rd Packet) it is used as the corresponding second energy data packet of the 3rd sample port group.
In addition, measurement centre's server maps go out the main electric energy time of main electric energy meter corresponding with the stand-by electric energy table Change curve includes: to determine master corresponding with each stand-by electric energy table according to the corresponding relationship of main electric energy meter and stand-by electric energy table First energy data packet of electric energy meter;Master corresponding with each stand-by electric energy table is drawn out according to the first determining energy data packet The main electric energy time changing curve of electric energy meter.Measurement centre's server of the present invention by corresponding main electric energy time changing curve with When stand-by electric energy time changing curve compares, it can be determined that each energy value point on stand-by electric energy time changing curve is It is no on main electric energy time changing curve, if so, the measurement of the calibrating main electric energy meter is accurate, otherwise, examine and determine the main electricity The measurement inaccuracy of energy table.
As seen from the above-described embodiment, the present invention as main electric energy meter accuracy by that will examine and determine the stand-by electric energy of ancillary equipment Table is connected with main electric energy meter acquisition device, is acquired using main electric energy meter acquisition device to the electric energy of stand-by electric energy table, can be with Realize the synchronous acquisition of the electric energy of main electric energy meter and stand-by electric energy table;By the way that stand-by electric energy acquisition device is arranged, main electric energy meter is adopted The energy information of its collected stand-by electric energy table is transmitted to stand-by electric energy acquisition device by acquisition means, is acquired and is filled by stand-by electric energy It sets and processing transmission is carried out to the electric energy of the stand-by electric energy table, can reduce and the processing communication performance of main electric energy meter acquisition device is wanted It asks;By the way that when needing to carry out main electric energy meter accuracy calibrating, just control starts stand-by electric energy table, do not opened in daily measurement It opens, accuracy variation can also occur to avoid stand-by electric energy table, so that the electric energy measured using the stand-by electric energy table is standard, it is right Main electric energy meter carries out calibrating can be more accurate;Stand-by electric energy acquisition device is being packaged processing to received electric energy When, it is not first to find the identification information of corresponding stand-by electric energy table, then identification information and energy information are encapsulated to data packet In, but electric energy time changing curve is first formed according to the electric energy received, then become to the electric energy time using two sampled signals Change curve to be acquired, will be encapsulated with energy information into the second energy data packet at the time of collected electric energy, and to second The transmission mechanism and measurement centre's server of energy data packet are designed the recognition mechanism of the second energy data packet, thus Transformation efficiency can be improved to avoid configuring respectively to each stand-by electric energy acquisition device;In addition, the present invention is in the second electricity Can in the transmission mechanism of data packet after each sampling is completed, before sampling starts next time, to corresponding energy data packet into Row transmission, i.e., after having acquired data every time, first transmit corresponding data, then carries out data acquisition next time again, such as This can be duplicated to avoid the timestamp for each second energy data packet for being transferred to measurement centre's server every time;The present invention It is designed by the transmission mechanism to the second energy data packet, efficiency of transmission can also be improved, realize that multiple main electric energy meters are quasi- It is examined and determine while exactness.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to of the invention its Its embodiment.This application is intended to cover any variations, uses, or adaptations of the invention, these modifications, purposes or Person's adaptive change follows general principle of the invention and including the undocumented common knowledge in the art of the present invention Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are by following Claim is pointed out.
It should be understood that the present invention is not limited to the precise structure already described above and shown in the accompanying drawings, and And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.

Claims (5)

1. a kind of provincial measurement centre's standard volume passes online management-control method characterized by comprising
To metering validation activity, laboratory and the qualification of testing agency is examined to manage;
The acquisition for passing data to standard volume is managed: for M stoichiometric point, main electric energy meter and spare is arranged in each stoichiometric point Electric energy meter, the corresponding main electric energy meter of each stoichiometric point and stand-by electric energy table are connect with main electric energy collection device, the main electric energy Table is used to carry out daily measurement to the electric energy of corresponding stoichiometric point;The main electric energy collection device measures the main electric energy meter Electric energy is acquired, and collected electric energy is packaged processing, is formed the first energy data packet and is sent to measurement centre's clothes Business device, the first energy data packet include address information, main electric energy meter identification information and the electric energy letter of main electric energy collection device Breath;
For N number of stand-by electric energy table in M stand-by electric energy table, it is correspondingly arranged a stand-by electric energy acquisition device, M, N are big Integer and N in 2 are less than or equal to M, and the control signal output connection of the stand-by electric energy acquisition device is described N number of spare The start end of electric energy meter, when needing to examine and determine the accuracy of the main electric energy meter, measurement centre's server is to institute It states stand-by electric energy acquisition device and sends calibrating information, the stand-by electric energy acquisition device is after receiving the calibrating information, control N number of stand-by electric energy table starting is made, N number of stand-by electric energy table after actuation, measures the electric energy of corresponding stoichiometric point;
The standby of N number of data forwarding port and N number of connection with corresponding stand-by electric energy table is provided on the main electric energy collection device With electric energy collection terminal mouth, each data forwarding port forms unit with a stand-by electric energy curve and connect, each stand-by electric energy Curve forms unit and all connect with a sample port group in the stand-by electric energy acquisition device, and each sample port group includes The control signal output of two sample ports, the stand-by electric energy acquisition device is also connected with making for the main electric energy collection device It can control end;
The stand-by electric energy acquisition device sends enabled control after receiving the calibrating information, to the main electric energy collection device Signal processed, the main electric energy collection device receive it is described make to can control signal after, control enabled stand-by electric energy N number of thereon and adopt Collect port, N number of data forwarding port, hereafter starts to be acquired the electric energy that N number of stand-by electric energy table measures, and pass through The electric energy of collected stand-by electric energy table is transmitted to corresponding stand-by electric energy curve and forms unit by corresponding data forwarding port, The stand-by electric energy curve forms unit according to the electric energy of the correspondence stand-by electric energy table received, when forming corresponding stand-by electric energy Between change curve, and the stand-by electric energy time changing curve is sent to corresponding sample port on stand-by electric energy acquisition device Group, the sampled signal of the 1st sample port is expressed as 2*L, the sampled signal table of the 2nd sample port in each sample port group It is shown as 2*L-1, wherein L indicates sampling number, for the integer greater than 0;
The stand-by electric energy acquisition device is for two collected energy informations of sample port in each sample port group, by it It is packaged into the second energy data packet, the second energy data packet includes the address information of stand-by electric energy acquisition device, electric energy letter Breath and the timestamp for indicating the electric energy acquisition moment, and after each sampling is completed, before sampling starts next time, Selection by this sample in the 1st sample port group the second energy data packet and this sampling before sample for each time in it is right The second energy data packet that port set should be acquired is transferred to measurement centre's server, so as to be transferred in the metering every time The timestamp of each second energy data packet of central server is not identical;
Measurement centre's server is after receiving the first energy data packet and the second energy data packet, first according to described The address information of one energy data Bao Zhongzhu electric energy collection device, determination are corresponding with the address information of the main electric energy collection device The address information of stand-by electric energy acquisition device filters out corresponding according to the address information of determining stand-by electric energy acquisition device Then second energy data packet according to the timestamp in the second energy data packet for filtering out and receives the period, it is determining with it is each The corresponding second energy data packet of a stand-by electric energy table, for each stand-by electric energy table, according to the second determining energy data packet, Stand-by electric energy time changing curve corresponding with the stand-by electric energy table is drawn out, and draws out master corresponding with the stand-by electric energy table The main electric energy time changing curve of electric energy meter, by corresponding main electric energy time changing curve and stand-by electric energy time changing curve into The accuracy of measurement of the main electric energy meter is examined and determine in row comparison, analysis.
2. provincial measurement centre's standard volume according to claim 1 passes online management-control method, which is characterized in that described spare Electric energy collection device is after each sampling is completed, before sampling starts next time, selection by this sample in the 1st sampling end Corresponding the second energy data for acquiring port set in each sampling before second energy data packet of mouth group and this sampling It includes: after the L times sampling completion, before the L+1 times sampling starts, by L that packet, which is transferred to measurement centre's server, The second energy data packet of the 1st sample port group is transferred to measurement centre's server in secondary sampling;
Successively judge whether L-j is greater than 0, j for the integer greater than 0 and enables j value since 1, if so, the L-j times is sampled The second energy data packet of+1 sample port group of middle jth is transferred to measurement centre's server and is otherwise not processed.
3. provincial measurement centre's standard volume according to claim 1 passes online management-control method, which is characterized in that the metering Central server is according to the timestamp in the second energy data packet filtered out and receives the period, determining and each stand-by electric energy The corresponding second energy data packet of table includes:
Measurement centre's server is directed to the second energy data packet filtered out, it is first determined the second energy data packet institute Place receives the period, wherein when the second energy data packet is the quilt before the L+1 times sampling starts after the L times sampling is completed When being transmitted to measurement centre's server, accordingly measurement centre's server receives the period of the second energy data packet as L A reception period, for the second energy data packet in the identical reception period, by the second energy data packet according to the time The size of stamp is ranked up, will be per adjacent two second energy data packet as a data packet group, by the high data of timestamp kth For package as the corresponding second energy data packet of k-th of sample port group, k is the integer greater than 0;And according to stand-by electric energy table With the corresponding relationship of sample port group, the corresponding second energy data packet of each stand-by electric energy table is determined;
Measurement centre's server maps go out the main electric energy time changing curve of main electric energy meter corresponding with the stand-by electric energy table It include: that main electric energy meter corresponding with each stand-by electric energy table is determined according to the corresponding relationship of main electric energy meter and stand-by electric energy table First energy data packet;Main electric energy meter corresponding with each stand-by electric energy table is drawn out according to the first determining energy data packet Main electric energy time changing curve.
4. provincial measurement centre's standard volume according to claim 1 passes online management-control method, which is characterized in that the metering Central server judges standby when comparing corresponding main electric energy time changing curve and stand-by electric energy time changing curve With each energy value point on electric energy time changing curve whether on main electric energy time changing curve, if so, described in calibrating The measurement of main electric energy meter is accurate, otherwise, examines and determine the measurement inaccuracy of the main electric energy meter.
5. provincial measurement centre's standard volume according to claim 1 passes online management-control method, which is characterized in that examined to metering The qualification for determining mechanism, laboratory and inspection testing agency carries out control and includes:
To metering validation activity, laboratory and qualification grade, expiration time and the honor information of testing agency is examined to be managed And displaying;
It is accused in the correspondence preset time before the qualification of metering validation activity, laboratory and inspection testing agency expires It is alert.
CN201910486881.5A 2019-06-05 2019-06-05 Provincial metering center standard quantity transmission online control method Expired - Fee Related CN110244253B (en)

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