CN111856131B - Recording method and device for load data - Google Patents
Recording method and device for load data Download PDFInfo
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- CN111856131B CN111856131B CN202010693927.3A CN202010693927A CN111856131B CN 111856131 B CN111856131 B CN 111856131B CN 202010693927 A CN202010693927 A CN 202010693927A CN 111856131 B CN111856131 B CN 111856131B
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
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- 238000013461 design Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing 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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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention relates to a recording method and a recording device of load data, which realize standardized acquisition of load data of household appliances, accurate measurement of power consumption of each load, save the load data to a local/upper computer to form a standard load original database, and simultaneously ensure consistency of the original data for detection of a non-invasive load identification module and the measurement data of an electric energy meter. According to the recording method and device for the load data, the original data of the non-intervention load identification module is detected to be consistent with the metering data of the electric energy meter, so that the tracing of the data is ensured; the power consumption of each load is measured by a standard meter, and the measuring precision of the load identification module is more accurately detected.
Description
Technical Field
The invention relates to the technical field related to electric energy metering, in particular to a recording method and device of load data for standardized acquisition of household appliance load data.
Background
The new generation intelligent internet of things electric energy meter adopts the design concept of multi-core modularity, which is mainly characterized in that a metering unit and a management unit are relatively independent, and an uplink communication module, a downlink communication module and various business application modules are simultaneously provided.
The non-intrusive load identification module is used as a business application module of a new generation intelligent Internet of things electric energy meter, a small-scale test point is developed in a partial area at present, but the original data for detecting the non-intrusive load identification module is acquired by using a oscillograph or an acquisition card in a laboratory environment, the acquisition methods of different factories are different, and the accuracy of the oscillograph and the acquisition card and the reasons of errors of the oscillograph and the acquisition card are different, so that the standard and the traceability of the original data are greatly controversial by each module research institution and each manufacturer, and therefore, how to normalize the acquisition of the original data of the electric load becomes a main bottleneck which restricts the detection of the non-intrusive load identification module at present.
Disclosure of Invention
In order to solve the problems, the invention provides a recording method and a recording device of load data, which are used for realizing standardized acquisition of load data of household appliances, accurately measuring the power consumption of each load, storing the load data to a local/upper computer to form a standard load original database, and simultaneously ensuring the consistency of the original data detected by a non-invasive load identification module and the measured data of an electric energy meter.
In order to achieve the above object, an aspect of the present invention provides a recording method of load data, including:
the standard meter reads the electric quantity of the electric equipment;
the load recording and managing system reads the electric quantity read by the standard meter through the Bluetooth module;
after the recording command is started, the load recording and managing system collects original load data from an electric energy meter metering module of the intelligent internet of things electric energy meter and an electric energy meter managing module through an SPI interface;
and after the recording is finished, the load recording and managing system stores the original load data.
Further, the standard meter is connected to the front end of the electric equipment.
Further, the raw load data includes voltage current data of the powered device.
Furthermore, the number of the electric equipment and the standard tables are multiple, and the front end of each electric equipment is correspondingly connected with one standard table.
Further, the intelligent internet of things electric energy meter comprises an electric energy meter metering module, an electric energy meter management module and a load identification module, wherein the intelligent internet of things electric energy meter collects original load data through the electric energy meter metering module and transmits the original load data to the electric energy meter management module through an SPI.
Further, the load recording and managing system is connected between the electric energy meter metering module and the electric energy meter managing module of the intelligent internet of things electric energy meter and is connected with the SPI interfaces of the electric energy meter metering module and the electric energy meter managing module through the SPI interfaces; and the load recording and managing system reads the original load data sent to the electric energy meter management module by the electric energy meter metering module through an SPI interface.
Further, the load identification module is used for identifying the load type, identifying the power consumption of each load and judging the starting and stopping time of the load.
Furthermore, the standard meter is connected to the secondary side of the intelligent internet of things electric energy meter.
According to another aspect of the present invention, there is provided an apparatus for load data recording, comprising: the intelligent internet of things electric energy meter comprises a split load accurate metering system, an intelligent internet of things electric energy meter and a load recording and managing system, wherein the split load accurate metering system comprises a plurality of electric equipment and a standard meter connected with the electric equipment; the intelligent internet of things electric energy meter comprises an electric energy meter metering module, an electric energy meter management module and a load identification module; the load recording and management system includes a controller having an ethernet interface and a bluetooth interface.
Further, the load recording and managing system is connected between the electric energy meter metering module and the electric energy meter managing module of the intelligent internet of things electric energy meter and is connected with the electric energy meter metering module and the SPI interface of the electric energy meter managing module through the SPI interface.
In summary, the invention provides a method and a device for recording load data, which are used for realizing standardized collection of load data of household appliances, accurately measuring the power consumption of each load, storing the load data to a local/upper computer to form a standard load original database, and simultaneously ensuring the consistency of the original data detected by a non-invasive load identification module and the measured data of an electric energy meter. According to the recording method and device for the load data, the original data of the non-intervention load identification module is detected to be consistent with the metering data of the electric energy meter, so that the tracing of the data is ensured; the power consumption of each load is measured by a standard meter, and the measuring precision of the load identification module is more accurately detected.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a recording method of payload data;
FIG. 2 is a flow chart of an implementation of a recording method of load data;
fig. 3 is a schematic diagram of the connection of the load recording and management system to the intelligent internet of things electric energy meter.
Detailed Description
The objects, technical solutions and advantages of the present invention will become more apparent by the following detailed description of the present invention with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the invention. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present invention.
The non-intrusive load identification module is used as a business application module of a new generation intelligent Internet of things electric energy meter, a small-scale test point is developed in a partial area at present, but the original data for detecting the non-intrusive load identification module is acquired by using a oscillograph or an acquisition card in a laboratory environment, the acquisition methods of different factories are different, and the accuracy of the oscillograph and the acquisition card and the reasons of errors of the oscillograph and the acquisition card are different, so that the standard and the traceability of the original data are greatly controversial by each module research institution and each manufacturer, and therefore, how to normalize the acquisition of the original data of the electric load becomes a main bottleneck which restricts the detection of the non-intrusive load identification module at present.
The invention provides a recording method and a recording device of load data, which are used for realizing standardized acquisition of load data of household appliances, accurately measuring the power consumption of each load, storing the load data to a local/upper computer to form a standard load original database, and simultaneously ensuring the consistency of the original data detected by a non-invasive load identification module and the measured data of an electric energy meter.
The technical scheme of the invention is explained in detail below, and the invention provides a method and a device for recording load data. Fig. 1 is a schematic diagram of an embodiment of a recording method of load data according to the present invention, and fig. 1 also shows a configuration of an apparatus for recording load data according to the present invention, which includes: the intelligent internet of things electric energy meter comprises a split load accurate metering system, an intelligent internet of things electric energy meter and a load recording and managing system. The load recording and managing system comprises a controller, wherein the controller is provided with an Ethernet interface and a Bluetooth interface, and the Ethernet interface and the Bluetooth interface are respectively connected. The load recording and managing system is a system for reading and managing a large amount of raw load data. The new generation intelligent internet of things electric energy meter comprises an electric energy meter metering module, an electric energy meter management module and a load identification module. The electric energy meter metering module, the electric energy meter management module and the load identification module are connected with each other through an SPI interface. The load recording and managing system is connected with an electric energy meter metering module of the new-generation intelligent Internet of things electric energy meter and SPI signals of an electric energy meter managing module interface through an SPI interface, when the electric energy meter metering module transmits original load data to the electric energy meter managing module through the SPI interface, a controller of the load recording and managing system reads the original load data through the SPI interface, and after receiving the load data, the controller of the load recording and managing system uploads the original load data to an upper computer for management through an Ethernet, and meanwhile, the load recording and managing system can read the electric quantity of each standard meter in real time through Bluetooth. The electric energy meter metering module in the new generation intelligent internet of things electric energy meter is a metering chip with high integration level, wide voltage, high precision, high reliability and low power consumption, the metering chip is used for collecting original load data, the metering core is used for collecting the original load data and then transmitting the original load data to the electric energy meter management module through an SPI interface, and the data collected by the metering chip is also used for electric energy metering of the electric energy meter. The load-dividing accurate metering device comprises a plurality of electric devices and a plurality of standard meters, wherein each standard meter is connected in front of each electric device in a one-to-one correspondence manner and is used for accurately metering the power consumption of each electric device.
The following description is given of the implementation flow of the recording method of the load data in conjunction with fig. 2: the recording method comprises the following steps:
the standard meter reads the electric quantity of the electric equipment;
the load recording and managing system reads the electric quantity read by the standard meter through the Bluetooth module;
after the recording command is started, the load recording and managing system collects original load data from an electric energy meter metering module of the intelligent internet of things electric energy meter and an electric energy meter managing module through an SPI interface;
and after the recording is finished, the load recording and managing system stores the original load data.
According to some embodiments, the number of the electric devices and the number of the standard meters are multiple, each electric device front end is correspondingly connected with one standard meter, the standard meter is connected to the front end of the electric device, and the standard meter is connected to the secondary side of the intelligent internet of things electric energy meter. And the load recording and managing system reads the electric quantity of each standard meter in real time through Bluetooth.
According to some embodiments, the intelligent internet of things electric energy meter comprises an electric energy meter metering module, an electric energy meter management module and a load identification module, wherein the intelligent internet of things electric energy meter collects the original load data through the electric energy meter metering module and transmits the original load data to the electric energy meter management module through an SPI. The load identification module is used for identifying the load type, identifying the power consumption of each load and judging the starting and stopping time of the load.
The load recording and managing system is connected between the electric energy meter metering module and the electric energy meter managing module of the intelligent internet of things electric energy meter and is connected with the electric energy meter metering module and the SPI interface of the electric energy meter managing module through the SPI interface. The load recording and managing system reads the original load data, specifically, the load recording and managing system reads the original load data sent to the electric energy meter management module by the electric energy meter metering module through an SPI interface. Wherein the raw load data may include voltage current data of the powered device.
After the original load data is stored, the electric quantity identification accuracy of the load identification module can be detected: when other modules are tested, the original load data is directly input to the load identification module, the load identification module identifies the electric quantity of the original load data, and the electric quantity is compared with the electric quantity of the standard meter to judge the error between the electric quantity identified by the load identification module and the actual electric quantity.
Fig. 3 is a connection diagram of the load recording and managing system and the new generation intelligent internet of things electric energy meter, as shown in fig. 3, the load recording and managing system is connected between the electric energy meter metering module and the electric energy meter managing module, and is connected with the electric energy meter metering module and the SPI interface of the electric energy meter managing module through the SPI interface. When the electric energy meter metering module transmits the original load data to the electric energy meter management module through the SPI interface, the controller of the load recording and management system reads the load original data through the SPI interface
In summary, the invention relates to a method and a device for recording load data, which realize standardized collection of load data of household appliances, accurate measurement of power consumption of each load, and save the load data to a local/upper computer to form a standard load original database. The recording method of the load data is used for detecting that the original data of the non-intervention load identification module is consistent with the metering data of the electric energy meter, so that the tracing of the data is ensured; the power consumption of each load is measured by a standard meter, and the measuring precision of the load identification module is more accurately detected.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explanation of the principles of the present invention and are in no way limiting of the invention. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present invention should be included in the scope of the present invention. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.
Claims (6)
1. A method of recording payload data, comprising:
the standard meter reads the electric quantity of the electric equipment;
the load recording and managing system reads the electric quantity read by the standard meter in real time through the Bluetooth module;
after the recording command is started, the load recording and managing system collects original load data from an electric energy meter metering module of the intelligent internet of things electric energy meter and an electric energy meter managing module through an SPI interface; the intelligent internet of things electric energy meter comprises an electric energy meter metering module, an electric energy meter management module and a load identification module, wherein the intelligent internet of things electric energy meter collects the original load data through the electric energy meter metering module and transmits the original load data to the electric energy meter management module through an SPI; the load recording and managing system is connected between the electric energy meter metering module and the electric energy meter managing module of the intelligent internet of things electric energy meter and is connected with the SPI interfaces of the electric energy meter metering module and the electric energy meter managing module through the SPI interfaces; the load recording and managing system reads the original load data sent to the electric energy meter management module by the electric energy meter metering module through an SPI interface;
and after recording, the load recording and managing system stores the original load data to form a standard load original database, wherein the original load data comprises the voltage and current data of the electric equipment.
2. The recording method according to claim 1, wherein the standard meter is connected to a front end of the powered device.
3. The recording method according to claim 1, wherein the number of the electric devices and the standard meter are plural, and each front end of the electric device is correspondingly connected with one standard meter.
4. The recording method according to claim 3, wherein the load identification module is used for identification of load type, identification of power consumption of each load, and judgment of load start-stop time.
5. The recording method of claim 1, wherein the standard meter is connected to a secondary side of the intelligent internet of things electric energy meter.
6. An apparatus for load data recording, comprising: the intelligent internet of things electric energy meter comprises a split load accurate metering system, an intelligent internet of things electric energy meter and a load recording and managing system, wherein the split load accurate metering system comprises a plurality of electric equipment and a standard meter connected with the electric equipment; the intelligent internet of things electric energy meter comprises an electric energy meter metering module, an electric energy meter management module and a load identification module; the load recording and managing system comprises a controller, wherein the controller is provided with an Ethernet interface and a Bluetooth interface; the load recording and managing system is connected between the electric energy meter metering module and the electric energy meter managing module of the intelligent internet of things electric energy meter and is connected with the SPI interfaces of the electric energy meter metering module and the electric energy meter managing module through the SPI interfaces; the load recording and managing system is used for reading the electric quantity read by the standard meter in real time through the Bluetooth module, collecting original load data from an electric energy meter metering module and an electric energy meter managing module interface of the intelligent internet of things electric energy meter through the SPI interface after a recording command is started, and storing the original load data after recording is finished to form a standard load original database; the raw load data includes voltage and current data of the powered device.
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| CN202010693927.3A CN111856131B (en) | 2020-07-17 | 2020-07-17 | Recording method and device for load data |
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| CN113009220B (en) * | 2021-02-23 | 2022-07-12 | 江苏盛德电子仪表有限公司 | Intelligent electric energy meter based on non-intrusive load identification technology |
| CN113433503B (en) * | 2021-08-26 | 2022-02-18 | 江苏智臻能源科技有限公司 | Self-diagnosis method of resident user load identification module |
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