Automatic detection system and method for management core of intelligent instrumented electric energy meter

An intelligent IoT and automatic detection technology, applied in measurement devices, measuring electrical variables, instruments, etc., can solve the problem that it cannot adapt to the detection requirements of intelligent IoT energy meters, does not support flexible setting of operating detection parameters, and cannot manage core interface function verification. and other problems, to achieve the effect of simple and flexible implementation and operation, improving software reliability and fast speed

Pending Publication Date: 2021-09-28
STATE GRID JIANGSU ELECTRIC POWER CO LTD MARKETING SERVICE CENT +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, at this stage, the energy meter of the standard technology system adopts an integrated design, and the functional test is carried out on a test bench, which needs to be connected to various hardware signal sources. The implementation is relatively complicated, the equipment is bulky, and the operation detection parameters do not support flexible settings; The existing whole machine test can only perform functional black-box tests on the whole machine, and cannot verify all interface functions of the management core one by one, and cannot adapt to the detection requirements of smart IoT energy meters; hardware signal sources are used to achieve detection conditions The method will lead to low test efficiency. For example, when measuring measurement data, it needs to work continuously for a long time to obtain a certain amount of accumulated power and other electric energy data.

Method used

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  • Automatic detection system and method for management core of intelligent instrumented electric energy meter
  • Automatic detection system and method for management core of intelligent instrumented electric energy meter

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0136] Detect the data consistency between the management core and the metering core: verify whether the real-time synchronization of the operating data such as the total and each phase active power, reactive power, power factor, phase voltage, phase current, and grid frequency to the management core is normal, and whether there is an excess Error jumps, including:

[0137] Step (1): Set the total and individual phase active power, reactive power, power factor, individual phase voltage, individual phase current, grid frequency and other operating data through the automatic detection program of the management core at the controller end;

[0138] Step (2): The automatic detection program of the management core at the controller sends the set real-time operation data to the management core detection device through the network communication unit. Set running data, waiting for the management core to perform data synchronization;

[0139] Step (3): The management core module active...

Embodiment 2

[0144] Detect the data consistency between the management core and the metering core: verify the carry relationship of the pulse constant, power decimal and integer under normal power-on conditions, including:

[0145] Step (1): Preset the detection conditions through the automatic detection program at the controller end: the reference voltage Un is set to 220V, the meter constant is set to 400imp / kWh, the turning current is set to 0.04A, the minimum current is set to 0.4A, The maximum current is set to 60A (the set value is consistent with the corresponding table type of the management core program to be tested);

[0146] Step (2): Clear the pulse count in the automatic detection program of the controller end management core;

[0147] Step (3): Turn on the corresponding data consistency detection scheme preset in the automatic detection program of the management core at the controller end, and carry forward current, and take 1 pulse, 2 pulses, 3 pulses, and 4 pulses at interv...

Embodiment 3

[0155] Detect whether the metering data processing function of the management core is normal: the management core has a time-of-use metering function, and the active and reactive electric energy should be accumulated and stored separately for each tariff period and the total electric energy, specifically including:

[0156] Step (1): Initialize the parameters in the automatic detection program of the controller end management core;

[0157] Step (2): Preset the detection conditions through the automatic detection program at the controller end: the reference voltage Un is set to 220V, the meter constant is set to 400imp / kWh, the turning current is set to 0.04A, the minimum current is set to 0.4A, The maximum current is set to 60A (the set value is consistent with the corresponding table type of the management core program to be tested);

[0158] Step (3): Set voltage U=220V, current I=1A, power angle 60° through the automatic detection program of the management core at the cont...

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Abstract

The invention discloses an automatic detection system and method for a management core of an intelligent instrumented electric energy meter. The system comprises a to-be-detected management core module, a management core detection device, a reading controller and a controller, wherein an interface of the to-be-detected management core module is aligned and inserted with a corresponding interface of the management core detection device; the controller is provided with a detection program, and is used for setting detection parameters, issuing an instruction to the management core detection device, selecting a corresponding interface in the management core detection device to realize data transmission with the management core module, and performing module data verification; and the reading controller is used for reading data in the management core to obtain event records of the management core module. According to the system, detection is carried out in a software simulation mode, if any electric energy data needs to be generated, only a software algorithm is needed, too long counting waiting time is not needed, and the detection efficiency can be greatly improved.

Description

technical field [0001] The invention belongs to the technical field of electric energy meter detection, and relates to an automatic detection system and method for an intelligent IoT electric energy meter management core. Background technique [0002] International Reconmmendation 46 (hereinafter referred to as IR46) active energy meter was formulated by the 12th Technical Committee (TC12) of the International Organization of Legal Metrology (abbreviated as OIML) "Technical Committee on Electricity Measuring Instruments", and was approved for release in October 2012. There are obvious differences with my country's current energy meter standard system. The IR46 standard requires that the electronic equipment and components of the energy meter be separated, the metering function and other functions are independent of each other, and the online upgrade of the non-metering part of the software does not affect the accuracy and stability of the metering part. However, my country's...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R35/04
CPCG01R35/04
Inventor 龚丹段梅梅周超田正其欧阳曾恺夏国芳杨冉冉余执刚
Owner STATE GRID JIANGSU ELECTRIC POWER CO LTD MARKETING SERVICE CENT
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