CN113341186A - Metering environment sensing device suitable for electric energy meter - Google Patents
Metering environment sensing device suitable for electric energy meter Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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Abstract
The application discloses measurement environment perception device suitable for electric energy meter includes: the sensing acquisition module is used for realizing sensing data acquisition of a metering environment; the perception analysis module is used for carrying out environment early warning analysis, electricity stealing analysis and metering compensation of the electric energy meter by using the sensing data; the perception control module is used for carrying out decision control on a perception result based on the analysis output of the perception analysis module, controlling image snapshot and remotely reporting information; and the perception execution module is used for implementing specific functions of image capturing and information remote reporting. The invention can provide all-round measurement environment perception, feedback and early warning functions, and is suitable for the design and development of the whole scheme of the electric energy meter.
Description
Technical Field
The invention belongs to the technical field of metering sensing, and relates to a metering environment sensing device suitable for an electric energy meter.
Background
Electric energy metering is an essential work for production, scientific research and operation management of electric power enterprises. Only by means of accurate and reliable metering data, the electric power enterprise can ensure that an electric power system can safely, economically and reliably operate, and can have high-quality and honest electric power marketing and good enterprise image. Only by taking scientific, accurate and reliable electric energy metering data as a basis, the accounting and management of purchasing and selling electric quantity are enhanced, and phenomena such as estimation, false account true calculation, line loss index allocation and the like are refused, and the electric power marketing activity can be ensured by using a systematic, accurate, reliable and optimal electric energy metering mode and the data obtained by metering.
As a core device of electric energy metering, the reliability and safety of the metering function of the electric energy meter are important. In order to ensure reliable and safe operation of the metering function of the electric energy meter, the research of a sensing scheme of the operation environment of the electric energy meter becomes a hot topic.
In the traditional electric energy meter design and manufacture process, under the dual limitations of technical standards and cost factors, the sensing capability of the electric energy meter to the environment is weak, and the electric energy meter only has simple temperature detection and magnetic field detection functions and does not form a set of complete sensing and detection capability. Therefore, the traditional electric energy meter is often unable to collect the evidence of humidity abnormality, impact damage and electricity stealing.
Disclosure of Invention
For solving the not enough among the prior art, this application provides a measurement environment perception device suitable for electric energy meter.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a metering environment sensing device suitable for an electric energy meter is characterized in that:
the device comprises:
the sensing acquisition module is used for realizing sensing data acquisition of a metering environment;
the perception analysis module is used for carrying out environment early warning analysis, electricity stealing analysis and metering compensation of the electric energy meter by using the sensing data;
the perception control module is used for carrying out decision control on a perception result based on the analysis output of the perception analysis module, controlling image snapshot and remotely reporting information;
and the perception execution module is used for carrying out specific image capturing and information remote reporting.
The invention further comprises the following preferred embodiments:
preferably, the sensing and collecting module comprises an infrared sensor, a temperature sensor, a humidity sensor, a hall sensor, a GPS module and an acceleration sensor;
the infrared sensor collects human body induction signals to realize human body infrared induction;
the temperature sensor collects temperature signals and is used for detecting abnormal working conditions of overhigh temperature and overlow temperature;
the humidity sensor collects humidity signals and is used for detecting abnormal working conditions of overhigh humidity and overlow humidity;
the Hall sensor collects a magnetic field intensity signal and is used for detecting strong magnetic interference;
the GPS module collects a GPS positioning signal and is used for detecting position change information of the electric meter equipment;
the acceleration sensor collects three-axis acceleration signals and is used for detecting possible ammeter damage behaviors.
Preferably, the infrared sensor adopts a sensor device of a structure combining a Fresnel lens, a pyroelectric sensor and a band-pass amplifier, so as to realize human body infrared induction;
the Fresnel lens is used for gathering infrared rays radiated by a human body;
the pyroelectric sensor is used for detecting infrared rays with specific wavelengths of a human body;
the band-pass amplifier adopts a high-gain, low-noise and low-frequency band-pass filter.
Preferably, the fresnel lens adopts a pran technology 8225, and the pyroelectric sensor adopts a pran technology RE 200B; the band-pass amplifier adopts AD744 JRZ.
Preferably, the temperature sensor adopts a digital temperature sensor DS18B 20; the humidity sensor adopts a digital humidity sensor HDC 2010; the Hall sensor adopts an MLX91211 device; the GPS module adopts an RTK-F9PRTK board card; the acceleration sensor adopts a 356A71 triaxial acceleration sensor.
Preferably, the perception analysis module comprises an equipment early warning module, an electricity stealing alarm module and a metering compensation module;
an infrared sensor of the sensing acquisition module communicates with the sensing control module in a UART mode; the temperature sensor and the humidity sensor are respectively communicated with the equipment early warning module in a UART mode; the Hall sensor, the GPS module and the acceleration sensor are respectively communicated with the electricity stealing alarm module in a UART mode.
Preferably, the perception analysis module comprises an equipment early warning module, an electricity stealing alarm module and a metering compensation module;
the temperature sensor of the sensing acquisition module is communicated with the equipment early warning module in a single bus protocol mode; the humidity sensor is communicated with the equipment early warning module in an IIC bus protocol mode.
Preferably, the device early warning module receives the temperature signal and the humidity signal, and performs high-temperature, low-temperature, high-humidity and low-humidity early warning by setting an upper threshold and a lower threshold;
the electricity stealing alarm module receives a magnetic field intensity signal, a GPS positioning signal and a three-axis acceleration signal;
wherein, the magnetic field intensity signal and the GPS positioning signal generate a stealing electric alarm signal by comparing with a preset threshold value; the triaxial acceleration signal is further analyzed through an ammeter end to generate a stealing electricity alarm signal;
the metering compensation module is arranged at the electric meter end and used for detecting the current temperature and humidity working conditions, and compensating the metering module at the electric meter end in real time to ensure the metering precision of the electric meter.
Preferably, the sensing control module performs log recording by detecting human body sensing signals, high-temperature, low-temperature, high-humidity and low-humidity early warning signals, alarm signals and harmonic interference signals;
the harmonic interference signal is obtained by Fourier analysis and calculation through a metering module at the electric meter end;
and simultaneously, controlling image capturing and information reporting according to user configuration.
Preferably, the perception execution module comprises a marked image snapshot module and a remote reporting module;
the image capturing module comprises a CMOS camera module and an LED light source;
the CMOS camera module is used for capturing imaging information;
the LED light source is used for light supplement in a dark environment;
the perception execution module is combined with an ammeter end processor and a memory to capture and store the images of the site environment;
the remote reporting module adopts a 5G communication module to realize a communication function, realizes communication with a remote server, and reports the perception information customized by the user by adopting a DLT698.45 protocol.
The beneficial effect that this application reached:
the invention provides the electric energy meter with the sensing capabilities of human body sensing, temperature abnormity, humidity abnormity, magnetic field interference, position abnormity and impact damage, and simultaneously, the functions of equipment early warning, electricity stealing alarm and metering compensation are further realized through the analysis of the sensing basic data. Under the action of the perception control module, the functions of snapshot and remote report of the running environment image can be further triggered. The scheme can provide all-round metering environment sensing, feedback and early warning functions, and is suitable for design and development of the whole scheme of the electric energy meter.
Drawings
Fig. 1 is a block diagram of a metering environment sensing device suitable for an electric energy meter according to the present invention.
Detailed Description
The present application is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present application is not limited thereby.
As shown in fig. 1, a metering environment sensing device suitable for an electric energy meter of the present invention includes:
the sensing acquisition module is used for realizing sensing data acquisition of a metering environment;
in specific implementation, the sensing and collecting module comprises an infrared sensor, a temperature sensor, a humidity sensor, a Hall sensor, a GPS module and an acceleration sensor;
the infrared sensor adopts a sensor device of a structure combining a Fresnel lens, a pyroelectric sensor and a band-pass amplifier, so that human body infrared induction is realized;
the Fresnel lens is used for gathering infrared rays radiated by a human body and used for improving detection sensitivity and detection distance;
the pyroelectric sensor is used for detecting infrared rays with specific wavelengths of a human body, screening signals and generating weak analog signals;
the band-pass amplifier adopts a high-gain, low-noise and low-frequency band-pass filter, the gain parameter is set to be 70-75 dB, and the band-pass frequency is set to be 0.3-10 Hz;
the Fresnel lens adopts a Prin technology 8225, and the pyroelectric sensor adopts a Prin technology RE 200B; the band-pass amplifier adopts AD744 JRZ.
The temperature sensor adopts a digital temperature sensor DS18B20, collects temperature signals and is used for detecting abnormal working conditions of overhigh temperature and overlow temperature;
the humidity sensor adopts a digital humidity sensor HDC2010, collects humidity signals and is used for detecting abnormal working conditions of overhigh humidity and overlow humidity;
the Hall sensor adopts an MLX91211 device to collect magnetic field intensity signals so as to detect strong magnetic interference;
the GPS module adopts an RTK-F9PRTK board card to acquire a GPS positioning signal so as to detect position change information of the electric meter equipment;
the acceleration sensor adopts a 356A71 triaxial acceleration sensor to acquire triaxial acceleration signals so as to detect possible ammeter destruction behaviors.
The perception analysis module is used for carrying out environment early warning analysis, electricity stealing analysis and metering compensation of the electric energy meter by using the sensing data;
the perception analysis module comprises an equipment early warning module, an electricity stealing alarm module and a metering compensation module;
the early warning module, the electricity stealing warning module and the metering compensation module are respectively software modules and are realized in a software coding mode.
The temperature sensor of the sensing acquisition module is communicated with the equipment early warning module in a single bus protocol mode; the humidity sensor is communicated with the equipment early warning module in an IIC bus protocol mode. Or an infrared sensor of the sensing acquisition module communicates with the sensing control module in a UART mode; the temperature sensor and the humidity sensor are respectively communicated with the equipment early warning module in a UART mode; the Hall sensor, the GPS module and the acceleration sensor are respectively communicated with the electricity stealing alarm module in a UART mode.
The device early warning module receives the temperature signal and the humidity signal and carries out high-temperature, low-temperature, high-humidity and low-humidity early warning in a mode of setting an upper threshold and a lower threshold;
the electricity stealing alarm module receives a magnetic field intensity signal, a GPS positioning signal and a three-axis acceleration signal;
wherein, the magnetic field intensity and the GPS positioning signal are compared with a preset threshold value to generate an electricity stealing alarm signal;
the triaxial acceleration signal is further analyzed through an ammeter end to generate a stealing electricity alarm signal;
the metering compensation module is arranged at the electric meter end and used for detecting the current temperature and humidity working conditions, and compensating the metering module at the electric meter end in real time to ensure the metering precision of the electric meter.
The perception control module is used for carrying out decision control on a perception result based on the analysis output of the perception analysis module, controlling image snapshot and remotely reporting information;
the sensing control module is realized by electric meter end software, and carries out log recording by detecting human body induction signals, high-temperature, low-temperature, high-humidity and low-humidity early warning signals, alarm signals and harmonic interference signals;
the harmonic interference signal is obtained by Fourier analysis and calculation through a metering module at the electric meter end;
and simultaneously, controlling image capturing and information reporting according to user configuration.
And the perception execution module is used for implementing specific functions of image capturing and information remote reporting.
The perception execution module comprises a marked image snapshot module and a remote reporting module;
the image capturing module comprises a CMOS camera module and an LED light source;
the CMOS camera module is used for capturing imaging information;
the LED light source is used for light supplement in a dark environment;
the perception execution module is combined with the electric meter end processor, the memory and the control software to capture and store the images of the field environment.
The remote reporting module adopts a 5G communication module to realize a communication function, realizes communication with a remote server, and reports the perception information customized by the user through the control of the electric meter end processor and the DLT698.45 protocol.
The intelligent electric energy meter is applied to an intelligent electric energy meter, the module related to the intelligent electric energy meter is installed in a metering electricity utilization environment, and meanwhile metering and sensing requirements are met.
The present applicant has described and illustrated embodiments of the present invention in detail with reference to the accompanying drawings, but it should be understood by those skilled in the art that the above embodiments are merely preferred embodiments of the present invention, and the detailed description is only for the purpose of helping the reader to better understand the spirit of the present invention, and not for limiting the scope of the present invention, and on the contrary, any improvement or modification made based on the spirit of the present invention should fall within the scope of the present invention.
Claims (10)
1. A metering environment sensing device suitable for an electric energy meter is characterized in that:
the device comprises:
the sensing acquisition module is used for realizing sensing data acquisition of a metering environment;
the perception analysis module is used for carrying out environment early warning analysis, electricity stealing analysis and metering compensation of the electric energy meter by using the sensing data;
the perception control module is used for carrying out decision control on a perception result based on the analysis output of the perception analysis module, controlling image snapshot and remotely reporting information;
and the perception execution module is used for carrying out specific image capturing and information remote reporting.
2. The metering environment sensing device suitable for the electric energy meter according to claim 1, characterized in that:
the sensing acquisition module comprises an infrared sensor, a temperature sensor, a humidity sensor, a Hall sensor, a GPS module and an acceleration sensor;
the infrared sensor collects human body induction signals to realize human body infrared induction;
the temperature sensor collects temperature signals and is used for detecting abnormal working conditions of overhigh temperature and overlow temperature;
the humidity sensor collects humidity signals and is used for detecting abnormal working conditions of overhigh humidity and overlow humidity;
the Hall sensor collects a magnetic field intensity signal and is used for detecting strong magnetic interference;
the GPS module collects a GPS positioning signal and is used for detecting position change information of the electric meter equipment;
the acceleration sensor collects three-axis acceleration signals and is used for detecting possible ammeter damage behaviors.
3. The metering environment sensing device suitable for the electric energy meter according to claim 2, characterized in that:
the infrared sensor adopts a sensor device of a structure combining a Fresnel lens, a pyroelectric sensor and a band-pass amplifier, so that human body infrared induction is realized;
the Fresnel lens is used for gathering infrared rays radiated by a human body;
the pyroelectric sensor is used for detecting infrared rays with specific wavelengths of a human body;
the band-pass amplifier adopts a high-gain, low-noise and low-frequency band-pass filter.
4. The metering environment sensing device suitable for the electric energy meter according to claim 3, characterized in that:
the Fresnel lens adopts a Prin technology 8225, and the pyroelectric sensor adopts a Prin technology RE 200B; the band-pass amplifier adopts AD744 JRZ.
5. The metering environment sensing device suitable for the electric energy meter according to claim 3, characterized in that:
the temperature sensor adopts a digital temperature sensor DS18B 20; the humidity sensor adopts a digital humidity sensor HDC 2010; the Hall sensor adopts an MLX91211 device; the GPS module adopts an RTK-F9PRTK board card; the acceleration sensor adopts a 356A71 triaxial acceleration sensor.
6. The metering environment sensing device suitable for the electric energy meter according to claim 2, characterized in that:
the perception analysis module comprises an equipment early warning module, an electricity stealing alarm module and a metering compensation module;
an infrared sensor of the sensing acquisition module communicates with the sensing control module in a UART mode; the temperature sensor and the humidity sensor are respectively communicated with the equipment early warning module in a UART mode; the Hall sensor, the GPS module and the acceleration sensor are respectively communicated with the electricity stealing alarm module in a UART mode.
7. The metering environment sensing device suitable for the electric energy meter according to claim 2, characterized in that:
the perception analysis module comprises an equipment early warning module, an electricity stealing alarm module and a metering compensation module;
the temperature sensor of the sensing acquisition module is communicated with the equipment early warning module in a single bus protocol mode; the humidity sensor is communicated with the equipment early warning module in an IIC bus protocol mode.
8. The metering environment sensing device suitable for the electric energy meter according to claim 6 or 7, characterized in that:
the device early warning module receives the temperature signal and the humidity signal and carries out high-temperature, low-temperature, high-humidity and low-humidity early warning in a mode of setting an upper threshold and a lower threshold;
the electricity stealing alarm module receives a magnetic field intensity signal, a GPS positioning signal and a three-axis acceleration signal;
wherein, the magnetic field intensity signal and the GPS positioning signal generate a stealing electric alarm signal by comparing with a preset threshold value; the triaxial acceleration signal is further analyzed through an ammeter end to generate a stealing electricity alarm signal;
the metering compensation module is arranged at the electric meter end and used for detecting the current temperature and humidity working conditions, and compensating the metering module at the electric meter end in real time to ensure the metering precision of the electric meter.
9. The metering environment sensing device suitable for the electric energy meter according to claim 6, characterized in that:
the sensing control module is used for carrying out log recording by detecting human body sensing signals, high-temperature, low-temperature, high-humidity and low-humidity early warning signals, alarm signals and harmonic interference signals;
the harmonic interference signal is obtained by Fourier analysis and calculation through a metering module at the electric meter end;
and simultaneously, controlling image capturing and information reporting according to user configuration.
10. The metering environment sensing device suitable for the electric energy meter according to claim 1, characterized in that:
the perception execution module comprises a marked image snapshot module and a remote reporting module;
the image capturing module comprises a CMOS camera module and an LED light source;
the CMOS camera module is used for capturing imaging information;
the LED light source is used for light supplement in a dark environment;
the perception execution module is combined with an ammeter end processor and a memory to capture and store the images of the site environment;
the remote reporting module adopts a 5G communication module to realize a communication function, realizes communication with a remote server, and reports the perception information customized by the user by adopting a DLT698.45 protocol.
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