CN201698018U - Digitized field electricity meter inspection system - Google Patents

Digitized field electricity meter inspection system Download PDF

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Publication number
CN201698018U
CN201698018U CN2010202642819U CN201020264281U CN201698018U CN 201698018 U CN201698018 U CN 201698018U CN 2010202642819 U CN2010202642819 U CN 2010202642819U CN 201020264281 U CN201020264281 U CN 201020264281U CN 201698018 U CN201698018 U CN 201698018U
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CN
China
Prior art keywords
module
processing module
digital
management function
error
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Application number
CN2010202642819U
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Chinese (zh)
Inventor
殷昌华
邓智慧
蒋亮
蒋俊
肖志华
熊宠魏
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威胜集团有限公司
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Priority to CN2010202642819U priority Critical patent/CN201698018U/en
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Publication of CN201698018U publication Critical patent/CN201698018U/en

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Abstract

The utility model discloses a digitized field electricity meter inspection system. The system comprises a management function module, a data processing module and a power supply module, wherein the management function module comprises a single-board computer and a display screen, and the data processing module comprises a pulse acquisition module, an error processing module, a network interface chip, a network physical chip and a digital standard meter or a digital signal source for providing standard electric quantity. The pulse acquisition module acquires the power pulse outputted by an inspected electricity meter, and the error processing module is connected with the pulse acquisition module and the digital standard meter or the digital signal source to receive the power pulse and reference electric quantity of the inspected electricity meter, work out a corresponding error value and transmits the error value to the management function module for storage and management. The utility model can inspect digitized electricity meters.

Description

Digitalized electrical energy meter field test device

Technical field

The utility model relates to a kind of digitalized electrical energy meter field test device.

Background technology

Digitalized electrical energy meter is meant to be followed IEC61850-9-1, IEC61850-9-2 communication of digitalization transformer substation stipulations, have the digital signal input interface, is applied to the electric energy meter of digital transformer substation.Because the input port of digitalized electrical energy meter is a digital interface, and its sampled data that is applied in the digital transformer substation all transmits with digital signal; Traditional simulation electric energy meter field verifying attachment (as shown in Figure 2) mainly is made up of mock standard table and error processor, the on-the-spot actual simulating signal of mock standard table input, carry out that electric weight calculates and high-frequency signal that standard is provided to error processor; Verifying attachment is gathered the pulse of tested electric energy meter output power, be sent to error processor, error processor standard of comparison high-frequency impulse and tested table pulse, calculate error amount, because traditional simulated field verifying attachment can only be gathered simulating signal, can not receive the digital sample data, therefore can't be used for the field test of digitalized electrical energy meter.

The utility model content

The purpose of this utility model is to provide a kind of digitalized electrical energy meter field test device that can test to digitalized electrical energy meter.

In order to reach described purpose, this digitalized electrical energy meter field test device that the utility model provides comprises management function module, data processing module and power module, described management function module comprises single-borad computer and display screen, and described data function module comprises pulse collection module, Error processing module, network interface chip, network physical chip, is used to provide the digital standard scale or the digital signal source of standard electric weight; Described pulse collection module is gathered the output pulses of tested electric energy meter output, the Error processing module links to each other with the pulse collection module, the Error processing module also links to each other with digital standard scale or digital signal source simultaneously, receive the output pulses and the reference electric quantity of tested electric energy meter, calculate corresponding error amount, and this error amount is passed to management function module stores and management.

The utility model digital electric energy meter field test device can receive the Frame that meets IEC61850-9-1 and IEC61850-9-2 consensus standard, can adapt to data frame format automatically according to the actual conditions at scene, and distinguishablely parses relevant protocol parameter; Simultaneously, the exportable Frame that meets IEC61850-9-1 and IEC61850-9-2 consensus standard of the utility model digital electric energy meter, the concrete form of Frame can dispose according to the actual requirements, and the voltage of output digital signal representative, the amplitude of current signal and phase place can require to be provided with and to revise according to reality, and the digitalized electrical energy meter that therefore can be the various implementations that meet above-mentioned agreement is tested.

Description of drawings

Fig. 1 is a structured flowchart of the present utility model;

Fig. 2 is the prior art constructions block diagram.

Embodiment

Embodiment one: this is the embodiment that has the on-site signal input, and what the standard electric weight was provided is digital standard scale.

As shown in Figure 1, present embodiment comprises management function module, data processing module and power module, wherein the management function module is made up of 32 single-borad computer and peripheral interface circuit, be used for the parameter setting and the workflow control of verifying attachment, preserve the data of field test, and can derive check data and be used for data statistics and generate form; The data function module comprises pulse collection module, Error processing module, network interface chip, network physical chip, digital standard scale, and network interface chip receives sample data frames and is transferred to DSP, and DSP is to data frame analyzing and do electric weight calculating; The pulse collection module is made up of feed circuit and isolating chip, gathers tested apparent power pulse and is transferred to the Error processing module; The Error processing module is made up of 16 bit DSPs and peripheral circuit, realizes pulse collection and error function calculation; Power module provides stable working power for each functional module in installing, because the module that relates in the device is numerous, and each module operating voltage is inconsistent, therefore needs power module that various voltage level steady operation power supplys are provided.When having the on-site signal input, digital standard scale data processing module receives on-the-spot input signal by network interface chip, and resolves on-site signal Frame acquisition sampled data wherein, carries out electric energy metrical to adopting data, obtains the canonical reference electric weight; Simultaneously, on-site signal is sent to the pulse collection module by tested table; The pulse collection module is gathered the output pulses of tested table output and is transferred to the Error processing module; The Error processing module is connected with digital standard scale data processing module with the pulse collection module, receive tested apparent power pulse and canonical reference electric weight, calculate corresponding error amount and check data is uploaded to described management function module stores and management by the UART communication port.

Embodiment two: this is the embodiment that does not have the on-site signal input, and the digital signal source of standard electric weight is provided.

As shown in Figure 1, present embodiment has the digital signal source, when there is not the signal input in the scene, the digital data processing module is according to the signal of the set parametric configuration analog electrical network operation situation of management function module, according to the sampling rate of setting this signal sampling is quantized, data after the quantification generate the Frame that meets IEC61850-9-1 or IEC61850-9-2 standard according to parameter request, send tested table to as test signal by network interface chip, and obtain the canonical reference electric weight according to the calculation of parameter that is provided with; Simultaneously, test signal is sent to the pulse collection module by tested table, and the pulse collection module is gathered tested apparent power pulse and is transferred to described Error processing module; The Error processing module is connected with the digital signal source with the pulse collection module, receives tested apparent power pulse and canonical reference electric weight, calculates corresponding error amount and check data is uploaded to management function module stores and management.

Claims (1)

1. digitalized electrical energy meter field test device, it is characterized in that comprising management function module, data processing module and power module, described management function module comprises single-borad computer and display screen, and described data function module comprises pulse collection module, Error processing module, network interface chip, network physical chip, is used to provide the digital standard scale or the digital signal source of standard electric weight; Described pulse collection module is gathered the output pulses of tested electric energy meter output, the Error processing module links to each other with the pulse collection module, the Error processing module also links to each other with digital standard scale or digital signal source simultaneously, receive the output pulses and the reference electric quantity of tested electric energy meter, calculate corresponding error amount, and this error amount is passed to management function module stores and management.
CN2010202642819U 2010-07-20 2010-07-20 Digitized field electricity meter inspection system CN201698018U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202642819U CN201698018U (en) 2010-07-20 2010-07-20 Digitized field electricity meter inspection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010202642819U CN201698018U (en) 2010-07-20 2010-07-20 Digitized field electricity meter inspection system

Publications (1)

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CN201698018U true CN201698018U (en) 2011-01-05

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102081153A (en) * 2011-01-31 2011-06-01 浙江省电力公司 Clock system standard source and work method
WO2012174693A1 (en) * 2011-06-20 2012-12-27 辽宁省电力有限公司丹东供电公司 Electric energy meter on-line detection method
CN102928810A (en) * 2012-11-12 2013-02-13 四川电力科学研究院 System and method for evaluating accuracy of digital electric energy meter
CN103048638A (en) * 2012-12-14 2013-04-17 中国电力科学研究院 Multi-function power digital signal inspection device
CN103064053A (en) * 2012-12-14 2013-04-24 中国电力科学研究院 Online calibration device of digital quantity input type electric energy meter
CN103513218A (en) * 2012-06-27 2014-01-15 苏州工业园区新宏博通讯科技有限公司 Calibration method for multi-path alternating-current ammeter
CN103529423A (en) * 2013-10-17 2014-01-22 国家电网公司 Novel digital electric energy meter field calibration device and calibration method
CN103809149A (en) * 2012-11-14 2014-05-21 国家电网公司 Checking equipment, device and method for digital electric energy meter
WO2014194518A1 (en) * 2013-06-07 2014-12-11 国家电网公司 Digital power source based on iec61850-9 sampling value and detection method thereof
CN104730487A (en) * 2013-12-18 2015-06-24 国家电网公司 Monitoring device of electric energy meter
CN105353337A (en) * 2015-11-09 2016-02-24 深圳市海亿达能源科技股份有限公司 Calibration method and device based on cloud computing
CN105372621A (en) * 2015-11-09 2016-03-02 深圳市海亿达能源科技股份有限公司 Device calibration method, mobile correction device and field measurement equipment
CN107144809A (en) * 2017-05-15 2017-09-08 中国电力科学研究院 A kind of portable system and method for being used to carry out digitalized electrical energy meter live on-line testing

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102081153A (en) * 2011-01-31 2011-06-01 浙江省电力公司 Clock system standard source and work method
CN102081153B (en) * 2011-01-31 2013-12-04 浙江省电力公司 Clock system standard source and work method
WO2012174693A1 (en) * 2011-06-20 2012-12-27 辽宁省电力有限公司丹东供电公司 Electric energy meter on-line detection method
CN103513218A (en) * 2012-06-27 2014-01-15 苏州工业园区新宏博通讯科技有限公司 Calibration method for multi-path alternating-current ammeter
CN102928810A (en) * 2012-11-12 2013-02-13 四川电力科学研究院 System and method for evaluating accuracy of digital electric energy meter
CN103809149A (en) * 2012-11-14 2014-05-21 国家电网公司 Checking equipment, device and method for digital electric energy meter
CN103048638A (en) * 2012-12-14 2013-04-17 中国电力科学研究院 Multi-function power digital signal inspection device
CN103064053A (en) * 2012-12-14 2013-04-24 中国电力科学研究院 Online calibration device of digital quantity input type electric energy meter
WO2014194518A1 (en) * 2013-06-07 2014-12-11 国家电网公司 Digital power source based on iec61850-9 sampling value and detection method thereof
CN103529423A (en) * 2013-10-17 2014-01-22 国家电网公司 Novel digital electric energy meter field calibration device and calibration method
CN103529423B (en) * 2013-10-17 2016-05-04 国家电网公司 New digital Watt-hour meter's field test device and method of calibration
CN104730487A (en) * 2013-12-18 2015-06-24 国家电网公司 Monitoring device of electric energy meter
CN105353337A (en) * 2015-11-09 2016-02-24 深圳市海亿达能源科技股份有限公司 Calibration method and device based on cloud computing
CN105372621A (en) * 2015-11-09 2016-03-02 深圳市海亿达能源科技股份有限公司 Device calibration method, mobile correction device and field measurement equipment
CN107144809A (en) * 2017-05-15 2017-09-08 中国电力科学研究院 A kind of portable system and method for being used to carry out digitalized electrical energy meter live on-line testing

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