CN208188313U - A kind of electric energy meter calibrating apparatus with built-in monitoring base table - Google Patents

A kind of electric energy meter calibrating apparatus with built-in monitoring base table Download PDF

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Publication number
CN208188313U
CN208188313U CN201820694975.2U CN201820694975U CN208188313U CN 208188313 U CN208188313 U CN 208188313U CN 201820694975 U CN201820694975 U CN 201820694975U CN 208188313 U CN208188313 U CN 208188313U
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base
electric energy
energy meter
meter
calibrating
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CN201820694975.2U
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Inventor
赵四海
曹献炜
姚永彩
金朋
王琪
张继平
赵灵蒙
马元
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Ningxia LGG Instrument Co Ltd
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Ningxia LGG Instrument Co Ltd
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Abstract

The utility model discloses a kind of electric energy meter calibrating apparatus with built-in monitoring base table, including checklist, overall control center, program controled power source, standard electric energy meter, base table, error calculation unit, operate keyboard, indicating meter and computer unit, it is input operation instruction by operating keyboard, program controled power source provides the power of each unit module normal work, power electrical energy pulse is sent into error calculation unit by standard electric energy meter, error calculation unit acquires checklist pulse and base table pulse simultaneously and calculates error, error is calculated using electric energy comparison method, and it is shown by indicating meter, then overall control center is upload the data to by high-speed industrial CAN bus, data are finally passed into computer disposal.The utility model has passed through the high-precision examined and determine, the base table of high stability, high reliability by built-in inside calibrating installation, while using standard electric energy meter as examination criteria, substantially increases the accuracy of electric energy meter calibration.

Description

A kind of electric energy meter calibrating apparatus with built-in monitoring base table
Technical field
The utility model relates to electric energy meter calibration technical fields, and more particularly relate to measurement centre of Utilities Electric Co., Electric energy meter manufacturing enterprise etc. is with a kind of with built-in monitoring base table of the compatible calibrating of the full-automation for realizing polymorphic type electric energy meter Electric energy meter calibrating apparatus.
Background technique
Electric energy meter is the instrument for being specifically used to measure certain time period electric energy aggregate-value, belongs to strong inspection measurement instrument, must inspection It can just be installed and used after fixed qualification.Due to electric energy meter being widely used in various industries, calibration accuracy and stability it is also proposed that Higher requirement.Currently, what the calibration accuracy and stability of traditional electric energy meter calibrating installation can only be provided by relevant manufacturers Data are as reference, if the calibration accuracy of site assessment electric energy meter calibrating apparatus and stability have centainly not easy to operate Property, currently, also having detected by the way of high accuracy reference energy meter in the market in terms of examining and determine electric energy meter, for example adopt The standard electric energy meter of 0.05 grade, 0.02 grade, 0.01 grade or higher precision is used to be measured as standard, but High-precision standard Electric energy meter cost is high, and cost is also high.With market development and firm effect the considerations of, it is necessary to it is a kind of bottom cost, high-precision Degree, high stability, the calibration method of high reliability.
Utility model content
Deficiency in view of the above technology, the purpose of this utility model is to provide a kind of electric energy with built-in monitoring base table Table calibrating installation, the base that user passes through the high-precision for having passed through calibrating built-in inside calibrating installation, high stability, high reliability Table, while checklist is participated in into entire verification process, the benchmark by using base table and standard electric energy meter as electric energy meter calibration, Substantially increase the accuracy of electric energy meter calibration.
The utility model uses following technical scheme: a kind of electric energy meter calibrating apparatus with built-in monitoring base table, including Checklist, wherein the calibrating installation further includes overall control center, program controled power source, standard electric energy meter, base table, error calculation list Member, operation keyboard, indicating meter and computer unit;Wherein the operation key disk and indicating meter pass through with the overall control center The connection of RS232 bus, working condition of the overall control center by program controled power source described in the operation Keyboard Control, the journey Each unit module input in the output end and device of power source is controlled to connect and the function of each unit module normal work is provided Rate, the error calculation unit are connect by RS485 bus or CAN bus with the checklist, base table and standard electric energy meter Communication, and the error calculation unit is configured to receive, calculates the electrical energy pulse letter of the checklist, base table standard electric energy meter Breath, the output end of the error calculation unit are connect with the overall control center, and the overall control center also passes through isolated form RJ45 100M high speed Ethernet interface and ICP/IP protocol are connected with computer unit, and the computer unit is connected by RS232 bus It is connected to peripheral apparatus.
As the scheme of the further technology of the utility model, error parameter, class of accuracy and the stabilization of the base table Degree is between 0.01-0.05.Except this, when specifically used, the appearance detection of base table, false actuation test, is risen AC voltage test Dynamic test, elementary error, instrument constant and clock error of time of day are according to " JJG596-2012 electronic type AC energy meter is examined and determine Regulation " and " JJG 597-2005 AC electrical energy meter calibration vertification regulation " as defined in relevant requirement.
As the scheme of the further technology of the utility model, the installation of the base table inside calibrating installation is arranged in the base table On plate, and the base table and base table meter adapting-seat pairing implement, the base table meter adapting-seat be provided with gauge stand component, gauge stand pinboard and Metal presses table handle, is additionally provided with the connecting terminal docked with the pulse signal hole on the base table on the base table meter adapting-seat.
As the scheme of the further technology of the utility model, the quantity of the standard electric energy meter and base table is respectively 1, And the standard electric energy meter and the base table are connected in parallel.
As the scheme of the further technology of the utility model, the error calculation unit and the checklist are arranged to one One corresponding relationship.
As the scheme of the further technology of the utility model, the peripheral apparatus be printer, barcode reader and In meter-copy device any one or it is two or more.
Positive beneficial effect:
Electric energy meter of the utility model by using error parameter, class of accuracy and stability between 0.01-0.05 is made It is used to monitor table base table built in calibrating installation, meanwhile, the appearance detection of base table, false actuation test, starts examination at AC voltage test It tests, every parameters of electric energy meter such as elementary error, instrument constant and clock error of time of day meets that " JJG596-2012 electronic type is handed over Flow electric energy meter vertification regulation " and " JJG 597-2005 AC electrical energy meter calibration vertification regulation " prescribed requirement, this can The composition error stability of electric energy meter calibrating apparatus is greatly improved, with the stabilization of minimum cost realization calibrating installation, reliably;
The utility model by being used for base table and standard electric energy meter to carry out electric energy meter in electric energy meter calibrating apparatus simultaneously Calibrating, base table have the characteristics that high-precision, high stability, high reliability, and standard electric energy meter has certain grade and by country The electric energy meter of national standard correlation regulation is examined and determine and met in standard correlation calibrating part, and it is dual that this has the detection of electric energy meter The characteristics of criterion, substantially increases the accuracy of electric energy meter detection.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property It puts, is also possible to obtain other drawings based on these drawings, in which:
Fig. 1 is a kind of principle schematic diagram of the electric energy meter calibrating apparatus with built-in monitoring base table of the utility model;
Fig. 2 is that a kind of a kind of example structure of the electric energy meter calibrating apparatus with built-in monitoring base table of the utility model is shown It is intended to;
Fig. 3 is the front view of base table in a kind of electric energy meter calibrating apparatus with built-in monitoring base table of the utility model;
Fig. 4 is the signal of base table meter adapting-seat in a kind of electric energy meter calibrating apparatus with built-in monitoring base table of the utility model Figure;
In figure, 1- base table mounting plate;2- gauge stand component;3- gauge stand pinboard;4- metal presses table handle;5- base table connects table Seat;6- connecting terminal.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that reality described herein It applies example to be only used for describing and explaining the present invention, is not used to limit the utility model.
As shown in Figure 1, the utility model includes checklist, wherein the calibrating installation further includes overall control center, program-controlled function Rate source, standard electric energy meter, base table, error calculation unit, operation keyboard, indicating meter and computer unit;The wherein operation Keyboard and indicating meter are connect with the overall control center by RS232 bus, and the overall control center passes through the operation keyboard control The working condition of the program controled power source is made, each unit module input connects in the output end and device of the program controled power source Connect and provide the power of each unit module normal work, the error calculation unit by RS485 bus or CAN bus with The checklist, base table and standard electric energy meter connecting communication, and the error calculation unit is configured to receive, calculates the quilt The electrical energy pulse information of table, base table standard electric energy meter is examined, the output end of the error calculation unit is connect with the overall control center, The overall control center also passes through isolated form RJ45 100M high speed Ethernet interface and ICP/IP protocol is connected with computer unit, The computer unit is connected with peripheral apparatus by RS232 bus.
In the utility model specific embodiment, as shown in Fig. 2, being also provided with temperature and humidity module inside device, carrying Wave module, power consumption module etc. further improve calibrating environment, data transmission and the calibrating demand of electric energy meter.Meanwhile in electricity In energy table detection process, it is also provided with insulation blocking unit, external interference in the detection process can be effectively shielded, into one Step ensures the detection accuracy of electric energy meter, and GPS module can also be arranged in a device, positions to electric energy meter detection position and obtains inspection Location information is surveyed, detection data is by catching stratum server etc. on interchanger local area network, for tension management unit monitors, management Examine and determine data.
In the above-described embodiments, program controled power source as in device each unit module for source module, use number Addition of waveforms method realizes harmonic wave.The working principle of specific harmonic wave is: sine wave is taken a data volume by every 0.1 degree Change, a cycle is used as fundamental wave at totally 3600 points, and then the harmonic component of user setting is added on fundamental wave respectively, as waveform number According under frequency and phase circuit control, through D/A conversion and filter circuit generation signal waveform, the waveform of generation is sent to power It is exported after amplifier amplification, the voltage and current signals of output can be used to the verification of various electric energy meters.
In the present invention, the error parameter of the base table, class of accuracy and stability between 0.01-0.05 it Between, in the specific implementation, the appearance detection of base table, AC voltage test, false actuation test, starting test, elementary error, instrument are normal Several and clock error of time of day meets " JJG596-2012 electronic type AC energy meter vertification regulation " and " JJG 597-2005 is handed over Flow electric energy meter calibrating apparatus vertification regulation " as defined in require.In the present invention, base table is as the built-in monitoring of calibrating installation Table, it is long-term to fix in the device, it does not need to take out, when there is a collection of new table to be checked to enter calibrating installation progress certificate test, Base table synchronization is also accredited.The composition error stability that electric energy meter calibrating apparatus can be greatly improved, is realized with minimum cost It is the stabilization of calibrating installation, reliable.
As shown in Figure 3 and Figure 4, the base table is arranged on the base table mounting plate 1 inside calibrating installation, and the base table with The pairing of base table meter adapting-seat 5 is implemented, i.e., a base table is mounted on a base table meter adapting-seat 5, and the base table meter adapting-seat 5 is provided with table Holder assembly 2, gauge stand pinboard 3 and metal press table handle 4, are additionally provided with and the arteries and veins on the base table on the base table meter adapting-seat 5 Rush the connecting terminal 6 of telltale hole docking.Meet condition when base table works normally.
In the present invention, the quantity of the standard electric energy meter and base table is respectively 1, and the standard electric energy meter and The base table is connected in parallel.
In the present invention, the error calculation unit and the checklist are arranged to one-to-one relationship.
In the present invention, the peripheral apparatus is any one in printer, barcode reader and meter-copy device Or it is two or more.It can be configured according to the specific needs of user.
In conjunction with above-described embodiment, the utility model is described further below.
Base table is installed, base table is that process was examined and determine and error is bent on the base table mounting plate 1 inside electric energy meter calibrating apparatus Line is excellent, error information meet " JJG596-2012 electronic type AC energy meter vertification regulation " with " JJG 597-2005 is exchanged Electric energy meter calibrating apparatus vertification regulation " as defined in require.Specifically, the error parameter of base table, class of accuracy and stability Between 0.01-0.05.In calibrating, under overall control center control, input operation instruction by operating keyboard, it is program-controlled Voltage and current needed for power source provides the cell operations such as checklist, standard electric energy meter, base table, error calculation unit;Standard electric Power electrical energy pulse is sent into error calculation unit by energy table, and error calculation unit acquires checklist pulse and base table pulse simultaneously simultaneously Error is calculated, error is calculated using electric energy comparison method, and show by indicating meter, then passes through high-speed industrial CAN bus Upload to overall control center, overall control center is in epi-position data monitoring interface or is monitored to data in indicating meter, manages, most Data are passed into computer disposal afterwards;Overall control center mainly complete order input, standard electric energy meter data processing (voltage, electric current, Power, phase, frequency etc.), GPS data processing, epitope error information acquisition, multifunctional meter 485 communication, voltage and current output The work such as control, the control of various function tests, data of the Temperature and Humidity module acquisition, power consumption data collection;Collected data are sent simultaneously It is handled to computer.Calibrating installation is connect with computer by isolated form RJ45 100M high speed Ethernet interface, is used ICP/IP protocol realizes data exchange.It can control device by computer to carry out all calibrations, have good luck, communication work, simultaneously Different rates, different periods and the error of verification is completed to acquire, judge, changing the work such as whole, storage, printing.Calibrating installation also props up The network storage and transmission of data are held, the optional equipments such as barcode reader, meter-copy device is supported, is provided just for paperless office Benefit.After the completion of calibrating, calibrating data are analysed and compared by computer monitors the error information of base table, judges the calibrating of the device Whether conclusion is in the error range of permission, if it exceeds setting error, then determine that there may be offsets for the device precision, pass through Control system reminds monitoring room personnel in real time, which accurately will be determined problem by timely verification, and stop the calibrating of the device Work.The utility model can be improved the composition error stability of electric energy meter calibrating apparatus, realize calibrating dress with minimum cost That sets is reliable and stable.
Although the foregoing describe specific embodiment of the present utility model, it will be appreciated by those of skill in the art that These specific embodiments are merely illustrative of, and those skilled in the art is not departing from the principles of the present invention and essence In the case of, various omissions, substitutions and changes can be carried out to the details of the above method and system.For example, merging above method step Suddenly, to execute substantially identical function according to substantially identical method to realize that it is practical new that substantially identical result then belongs to this The range of type.Therefore, the scope of the utility model is only limited by the claims that follow.

Claims (6)

1. a kind of electric energy meter calibrating apparatus with built-in monitoring base table, including checklist, it is characterised in that: the calibrating installation It further include overall control center, program controled power source, standard electric energy meter, base table, error calculation unit, operation keyboard, indicating meter and meter Calculation machine unit;Wherein the operation key disk and indicating meter are connect with the overall control center by RS232 bus, in the master control The heart is by the working condition of program controled power source described in the operation Keyboard Control, in the output end and device of the program controled power source Each unit module input connects and provides the power of each unit module normal work, and the error calculation unit passes through RS485 bus or CAN bus and the checklist, base table and standard electric energy meter connecting communication, and the error calculation list Member is configured to receive, calculates the electrical energy pulse information of the checklist, base table standard electric energy meter, the error calculation unit it is defeated Outlet is connect with the overall control center, and the overall control center also passes through isolated form RJ45 100M high speed Ethernet interface and TCP/ IP agreement is connected with computer unit, and the computer unit is connected with peripheral apparatus by RS232 bus.
2. a kind of electric energy meter calibrating apparatus with built-in monitoring base table according to claim 1, it is characterised in that: described Error parameter, class of accuracy and the stability of base table are between 0.01-0.05.
3. a kind of electric energy meter calibrating apparatus with built-in monitoring base table according to claim 2, it is characterised in that: described Base table is arranged on the base table mounting plate (1) inside calibrating installation, and the base table and base table meter adapting-seat (5) pairing are implemented, institute It states base table meter adapting-seat (5) and is provided with gauge stand component (2), gauge stand pinboard (3) and metal pressure table handle (4), the base table connects table The connecting terminal (6) docked with the pulse signal hole on the base table is additionally provided on seat (5).
4. a kind of electric energy meter calibrating apparatus with built-in monitoring base table according to claim 1 or 3, it is characterised in that: The quantity of the standard electric energy meter and base table is respectively 1, and the standard electric energy meter and the base table are connected in parallel.
5. a kind of electric energy meter calibrating apparatus with built-in monitoring base table according to claim 1, it is characterised in that: described Error calculation unit and the checklist are arranged to one-to-one relationship.
6. a kind of electric energy meter calibrating apparatus with built-in monitoring base table according to claim 1, it is characterised in that: described Peripheral apparatus be printer, barcode reader and meter-copy device in any one or it is two or more.
CN201820694975.2U 2018-05-10 2018-05-10 A kind of electric energy meter calibrating apparatus with built-in monitoring base table Active CN208188313U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109975740A (en) * 2019-05-13 2019-07-05 广东省计量科学研究院(华南国家计量测试中心) A kind of calibrating monitoring system of electric energy meter checking device
CN110109044A (en) * 2019-05-13 2019-08-09 广东省计量科学研究院(华南国家计量测试中心) A kind of in-line calibration system and method for electric energy meter checking device
CN110703182A (en) * 2019-11-08 2020-01-17 南京沁恒微电子股份有限公司 Wireless intelligent electric energy meter and production line calibration implementation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109975740A (en) * 2019-05-13 2019-07-05 广东省计量科学研究院(华南国家计量测试中心) A kind of calibrating monitoring system of electric energy meter checking device
CN110109044A (en) * 2019-05-13 2019-08-09 广东省计量科学研究院(华南国家计量测试中心) A kind of in-line calibration system and method for electric energy meter checking device
CN110703182A (en) * 2019-11-08 2020-01-17 南京沁恒微电子股份有限公司 Wireless intelligent electric energy meter and production line calibration implementation method thereof

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