CN209182491U - Online interaction device for energy meter standard and measurement verification system - Google Patents
Online interaction device for energy meter standard and measurement verification system Download PDFInfo
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- CN209182491U CN209182491U CN201821976807.9U CN201821976807U CN209182491U CN 209182491 U CN209182491 U CN 209182491U CN 201821976807 U CN201821976807 U CN 201821976807U CN 209182491 U CN209182491 U CN 209182491U
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Abstract
The utility model discloses a kind of online interaction device for energy meter standard, are mainly made of AD sampler interconnected and dsp processor；AD sampler connects current signal conversion module and voltage signal conversion module, and current signal conversion module has current loop interface, and voltage signal conversion module has voltage circuit interface, and power module connects and provides power supply for dsp processor；Dsp processor has communication interface and pulse input output interface.Accordingly, corresponding measurement verification system is also constructed, mainly includes user's electric energy meter, online interaction device for energy meter standard and embedded-type ARM module.The utility model standard scale can obtain measurement error and electricity consumption data in real time, to realize the transparent, openly of Measurement Verification Work, realize the interpretable, traceable of Measurement Verification Work；Online data query, data displaying and real-time interactive are provided for power supply enterprise and client, to realize active, interactive customer service.
Description
Technical field
The utility model belongs to electric energy meter calculating field, more particularly to a kind of online interaction device for energy meter standard and meter
Measure verification system.
Background technique
With the continuous development of smart grid, electronic electric energy meter is constantly universal, but for a long time client usually to replacement
The metering accuracy of electronic electric energy meter afterwards is queried, and client proposes after testing table application to power supply enterprise, by power supply enterprise
Dismounting scene, which has a question, electric energy meter and more renews electric energy meter, and the electric energy meter that will have a question takes back calibrating laboratory, temporarily examined and determine,
Provide the work such as verification result.Therefore, it is cumbersome to test list processing process for client's application, and to newly changing electric energy meter metering accuracy still
Hold suspection attitude, while laboratory verification process is opaque at present, so that client still remains query to verification result, it can not
Thoroughly eliminate customer electricity doubt.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of online interaction device for energy meter standard and metering inspections
Determine system, with realize Measurement Verification Work it is transparent, openly, it is interpretable, traceable.
In order to solve the above technical problems, the utility model uses following technical scheme:
Online interaction device for energy meter standard is mainly made of AD sampler interconnected and dsp processor；AD is adopted
Sample device connects current signal conversion module and voltage signal conversion module, and current signal conversion module has current loop interface,
Voltage signal conversion module has voltage circuit interface, and power module connects and provides power supply for dsp processor；Dsp processor
With communication interface and pulse input output interface.
AD sampler uses the sampling A/D chip of 16 precision, and computing module uses 32 dsp chips.
Containing it is above-mentioned it is online interaction device for energy meter standard measurement verification system, mainly include user's electric energy meter,
Wire type interacts device for energy meter standard and embedded-type ARM module；Online interaction device for energy meter standard is connect by voltage circuit
Mouth is in parallel with the voltage circuit of user's electric energy meter, and online interaction device for energy meter standard passes through current loop interface and user's electricity
The current loop series connection of energy table；Online interaction device for energy meter standard is held level with both hands by 4G network attached server and customer users
Plate；Embedded-type ARM module includes 4G communication module, 485 communication modules, and embedded-type ARM module connects online interaction electric energy meter
Standard set-up, power module connection embedded-type ARM module and online interaction device for energy meter standard simultaneously provide power supply for it；It is embedding
Enter formula ARM module to communicate by 485 communication modules and user's electric energy meter.
Online interaction device for energy meter standard connects embedded-type ARM module by communication interface.
Embedded-type ARM module serial ports is connected with the local serial port of 4G communication module；485 communication modules are to embedded-type ARM
Module serial ports is converted.
Embedded-type ARM module is based on ARM core processor, and operating system is Android system.
Emerging the whole network leads to module in the use of 4G communication module.
Current electric energy meter calibration there are aiming at the problem that, inventor devises a kind of online interaction device for energy meter standard
(abbreviation standard electric energy meter or standard scale) is mainly made of AD sampler interconnected and dsp processor；The connection of AD sampler
Current signal conversion module and voltage signal conversion module, current signal conversion module have current loop interface, voltage signal
Conversion module has voltage circuit interface, and power module connects and provides power supply for dsp processor；Dsp processor has communication
Interface and pulse input output interface.Accordingly, the metering inspection containing above-mentioned online interaction device for energy meter standard is also constructed
Determine system, mainly includes user's electric energy meter, online interaction device for energy meter standard and embedded-type ARM module.It is practical using this
Novel standard table need to be only mounted on beside user's electric energy meter, and tested electric energy meter voltage and current loop are accessed, can be real-time
Measurement error and electricity consumption data are obtained, to realize the transparent, openly of Measurement Verification Work, realizes solving for Measurement Verification Work
It releases, can be traced；By sending data to backstage in the 4G module timing built in system, provided for power supply enterprise and client online
Data query, data are shown and real-time interactive, to realize active, interactive customer service.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the online interaction device for energy meter standard of the utility model.
Fig. 2 is the use state diagram using the measurement verification system of the utility model.
Fig. 3 is the primary structure schematic diagram of the utility model measurement verification system.
In figure: 1 user's electric energy meter, 2 485 communications, 3 standard scales, 4 4G network communications, 5 voltage circuit interfaces, 6 electric currents return
Road interface, 7 user loads, 8 firewalls, 9 servers, 10 user terminal plates, 11 current signals, 12 current signal conversion modules,
13 voltage signal conversion modules, 14 voltage signals, 15 AD samplers, 16 dsp processors, 17 power modules, 18 communication interfaces,
19 pulse input output interfaces, 20 4G communication modules, 21 485 communication modules, 22 embedded-type ARM modules, 23 standard scales, 24 electricity
Source module.
Specific embodiment
As shown in Figure 1 to Figure 3, the online interaction device for energy meter standard of the utility model, mainly by interconnected
AD sampler 15 and dsp processor 16 form；AD sampler connects current signal conversion module 12 and voltage signal conversion module
12, current signal conversion module has current loop interface, and voltage signal conversion module has voltage circuit interface, power module
17 connect and provide power supply for dsp processor；Dsp processor has communication interface 18 and pulse input output interface 19.Wherein,
AD sampler uses the sampling A/D chip of 16 precision, and computing module uses 32 dsp chips.
Containing it is above-mentioned it is online interaction device for energy meter standard measurement verification system, mainly include user's electric energy meter 1,
Wire type interacts device for energy meter standard and embedded-type ARM module.Embedded-type ARM module is the core of system, based at ARM kernel
Device is managed, operating system is Android system.Emerging the whole network leads to module in the use of 4G communication module 20, supports mobile, connection and telecommunications three
Operator, family.4G module has local serial port, is directly attached with the serial ports of ARM system, the AT that ARM platform passes through standard
Instruction carries out communication with 4G module and docks, carry out uplink module dialup networking, establish TCP connection, data transmission etc..
Online interaction device for energy meter standard is in parallel with the voltage circuit of user's electric energy meter by voltage circuit interface 5,
Online interaction device for energy meter standard is connected by current loop interface 6 with the current loop of user's electric energy meter；It is online mutual
Electrokinetic energy table standard set-up holds plate level with both hands by 4G network attached server and customer users；Embedded-type ARM module 22 is logical including 4G
Believe that module, 485 communication modules 21, embedded-type ARM module connect online interaction device for energy meter standard, power module 24 connects
Embedded-type ARM module and online interaction device for energy meter standard simultaneously provide power supply for it；Embedded-type ARM module is logical by 485
Letter module is communicated with user's electric energy meter.Wherein, standard scale 23 connects embedded-type ARM module (higher level ARM by communication interface
System).Embedded-type ARM module serial ports is connected with the local serial port of 4G communication module, realizes and send on upstream data；485 communications
Module converts embedded-type ARM module serial ports, realizes the communication of downlink 485 2, with meter reading on site, obtains user's table data.
As shown in Fig. 2, online interaction device for energy meter standard, is articulated in electrical energy metering tank, voltage circuit and user
Meter voltage circuit is in parallel, and current loop is connected with user's meter current loop, and two kinds of sides of terminal and split-core type meter are supported in electric current access
Formula, client load 7 electric currents according to onsite user to select.Standard scale by receive user's meter electrical energy pulse conversion after with standard
Electric energy meter, which compares, carries out real-time electric energy error measurement；Or it reads user's meter and originates termination electricity and standard within a certain period of time
Electric energy meter, which adds up comparision of quantity of electricity, have good luck for a long time, then calculates electricity error of having good luck.Standard scale can lead to measurement data
It crosses 4G network communication 4 and uploads to user terminal plate 10, all upload data band markers, identity information passes through fixed IP service
Device exchanges data with plate APP.Client realizes user and user's electricity by plate APP client, inquiry and browsing electricity consumption situation
The effect and experience of the energy online interaction of table.
Power supply module takes electricity from onsite user's primary voltage circuit, connects ARM module and standard scale module, is ARM module
And standard scale module for power supply.Embedded-type ARM module has independent running memory, external memory, network interface, local serially
Interface etc. is an independent mini-system, is mainly used for being communicated with the standard scale module of downlink, obtains and applies the number of plies
According to；By being connected network with 4G module, realizes and sent in data；485 communication interfaces are connected, realize live meter reading；On software,
Resident local data processing service, receives standard scale data by some cycles and parses, by certain period it is automatic on send data
To background server.ARM is communicated by 485 communication modules and user's electric energy meter, acquires user's electric energy meter relevant information, is led to
News agreement meets the requirement of DLT645-2007 and DLT645-1997 specification.Standard scale real-time sampling user voltage, electric current, error etc.
Data, by 5 seconds frequencies by communication interface it is automatic on the supervisory ARM system sent.ARM module is by 485 communication modules and mark
The user information and test data sent on quasi- table 3 are above sent by connected 4G communication module local serial port to network service
Device, while can be instructed and be configured by standard AT, the bidirectional data transfers of realization 4G communication module serial ports to network server.
As shown in Fig. 2, standard scale module is based on traditional field test instrument circuit.The live voltage of standard scale module access,
Current loop samples real-time alternating voltage, electric current, and terminal and split-core type meter two ways are supported in electric current access；AD sampler
Voltage, current instantaneous value analog quantity are converted into digital signal, digital signal is analyzed and processed by dsp processor, is counted
Each phase voltage, the amplitude of electric current, phase are calculated, the parameters such as each mutually active and reactive, power factor, frequency, while and calibration pulse
Comparison of having good luck is carried out, electricity error of having good luck is calculated, realizes the measurement of field electric energy Watch Error and comparison function of having good luck for a long time.
Claims (7)
1. a kind of online interaction device for energy meter standard, it is characterised in that mainly by AD sampler interconnected and DSP
Manage device composition；The AD sampler connection current signal conversion module and voltage signal conversion module, current signal conversion module
With current loop interface, voltage signal conversion module has voltage circuit interface, and power module is connected and mentioned for dsp processor
Power supply source；The dsp processor has communication interface and pulse input output interface.
2. online interaction device for energy meter standard according to claim 1, it is characterised in that: the AD sampler uses
The sampling A/D chip of 16 precision, computing module use 32 dsp chips.
3. the measurement verification system containing online interaction device for energy meter standard described in claim 1, it is characterised in that main
Including user's electric energy meter, online interaction device for energy meter standard and embedded-type ARM module；The online interaction electric energy meter mark
Standard apparatus is in parallel with the voltage circuit of user's electric energy meter by voltage circuit interface, and online interaction device for energy meter standard passes through
Current loop interface is connected with the current loop of user's electric energy meter；The online interaction device for energy meter standard passes through 4G network
Connection server and customer users hold plate level with both hands；The embedded-type ARM module includes 4G communication module, 485 communication modules, embedded
ARM module connects online interaction device for energy meter standard, and power module connects embedded-type ARM module and online mutual electrokinetic energy
Table standard set-up simultaneously provides power supply for it；The embedded-type ARM module is led to by 485 communication modules and user's electric energy meter
News.
4. measurement verification system according to claim 3, it is characterised in that: the online interaction device for energy meter standard
Embedded-type ARM module is connected by communication interface.
5. measurement verification system according to claim 3, it is characterised in that: the embedded-type ARM module serial ports and 4G are logical
Believe that the local serial port of module is connected；485 communication module converts embedded-type ARM module serial ports.
6. measurement verification system according to claim 3, it is characterised in that: the embedded-type ARM module is based on ARM kernel
Processor, operating system are Android system.
7. measurement verification system according to claim 3, it is characterised in that: emerging the whole network is logical in the 4G communication module use
Module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821976807.9U CN209182491U (en) | 2018-11-28 | 2018-11-28 | Online interaction device for energy meter standard and measurement verification system |
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| CN201821976807.9U CN209182491U (en) | 2018-11-28 | 2018-11-28 | Online interaction device for energy meter standard and measurement verification system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110865218A (en) * | 2019-10-14 | 2020-03-06 | 中物合(杭州)检测科技有限公司 | Electric energy metering method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110865218A (en) * | 2019-10-14 | 2020-03-06 | 中物合(杭州)检测科技有限公司 | Electric energy metering method |
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