CN111007449A - Electric power thing networking perception system - Google Patents
Electric power thing networking perception system Download PDFInfo
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- CN111007449A CN111007449A CN201911147073.2A CN201911147073A CN111007449A CN 111007449 A CN111007449 A CN 111007449A CN 201911147073 A CN201911147073 A CN 201911147073A CN 111007449 A CN111007449 A CN 111007449A
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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
- G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
- G01R35/007—Standards or reference devices, e.g. voltage or resistance standards, "golden references"
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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Abstract
The invention discloses a power internet of things sensing system which comprises a single chip microcomputer, an operation execution unit, a power equipment body of the power internet of things, a sensing network end, a data collection node, a working condition parameter acquisition unit, a working condition unit, an LORA (remote access router), a cloud server, an internet/mobile internet platform and an early warning module, wherein the output end of the single chip microcomputer is connected with the input end of the operation execution unit; according to the detection method, the single chip microcomputer transmits the command to the operation execution unit, the power equipment body of the power internet of things is opened to work, and detection is performed through the sensing network end while working, so that the problem of function detection of operation state information acquisition, data uploading and operation execution of the power equipment of the power internet of things is solved, the overall performance evaluation of the sensing layer of the power equipment of the power internet of things can be given, important function requirements such as sensor performance, sensor network performance and communication protocols can be evaluated in the overall mode through the detection method, and the detection method is a rapid and effective detection method.
Description
The technical field is as follows:
the invention relates to the technical field of power internet of things, in particular to a power internet of things sensing system.
Background art:
the internet of things (IOT) is used for collecting any object or process needing monitoring, connection and interaction in real time through various devices and technologies such as various information sensors, radio frequency identification technologies, global positioning systems, infrared sensors and laser scanners, collecting various required information such as sound, light, heat, electricity, mechanics, chemistry, biology and position of the object or process, realizing ubiquitous connection of the object and the person through various possible network accesses, and realizing intelligent sensing, identification and management of the object and the process. The internet of things is an information carrier based on the internet, a traditional telecommunication network and the like, and all common physical objects which can be independently addressed form an interconnected network;
the electric power Internet of things is an intelligent service system which fully applies modern information technologies such as mobile interconnection, artificial intelligence and the like and advanced communication technologies around each link of an electric power system, realizes the mutual object interconnection and man-machine interaction of each link of the electric power system, has the characteristics of comprehensive state sensing, efficient information processing and convenient and flexible application, and comprises a sensing layer, a network layer, a platform layer and an application layer;
the construction of the power internet of things opens up a new path for safer operation, more lean management, more accurate investment and better service of the power grid, can fully exert the unique advantages of the power grid and develop the huge blue-sea market of digital economy.
The basis of the power internet of things is power equipment with a sensing layer, and situation sensing and physical operation of a power grid are achieved. The power equipment of the power internet of things has the functions of running state information acquisition, data uploading and operation execution, wherein the running state information generally comprises basic information such as voltage, current, phase angle, frequency, time and the like, and the running state information also comprises the functions of special running working conditions such as abnormal working conditions of power quality, short-circuit fault working conditions and the like; data are uploaded to a sink node through a micro-power (mu W level) wireless sensor network or a low-power (mW level) wireless sensor network or a wired transmission network; the operation execution is divided into remote operation execution and in-place operation execution, wherein the remote operation execution is given by application layer software, and the in-place operation execution is given by edge calculation software;
along with the development of power electronic technology, the electric power thing networking power equipment sensor is with miniaturized integrated to the equipment body in, can't carry out test alone, for this reason, provides an electric power thing networking perception system.
The invention content is as follows:
the invention aims to provide a power internet of things sensing system to solve the problems in the background technology.
The invention is implemented by the following technical scheme: a power Internet of things sensing system comprises a single chip microcomputer, an operation execution unit, a power equipment body of the power Internet of things, a sensing network end, a data collection node, a working condition parameter acquisition unit, a working condition unit, an LORA, a cloud server, an Internet/mobile Internet platform and an early warning module, wherein the output end of the single chip microcomputer is connected with the input end of the operation execution unit, the output end of the operation execution unit is connected with the input end of the power equipment body of the Internet of things, the output end of the power equipment body of the Internet of things is connected with the input end of the sensing network end, the output end of the sensing network end is connected with the input end of the data collection node, the input end of the single chip microcomputer is connected with the output end of the data collection node, the output end of the single chip microcomputer is connected with the input end, and the output end of the singlechip is connected with the input end of the early warning module.
As further preferable in the present technical solution: the single chip microcomputer is connected with the LORA in a two-way mode, the output end of the LORA is connected with the input end of the cloud server, and the output end of the cloud server is connected with the input end of the Internet/mobile Internet platform.
As further preferable in the present technical solution: the LORA adopts a GSM/GPRS network, and the single chip microcomputer is in bidirectional connection with the cloud server through the GSM/GPRS network of the LORA.
As further preferable in the present technical solution: the operating mode unit includes normal operating mode source and abnormal operating mode source, normal operating mode source produces standard voltage, electric current, phase angle, frequency operating mode for detect sensor degree of accuracy, network protocol, the abnormal operating mode source produces the unusual operating mode of standard electric energy quality, perhaps produces the short circuit fault operating mode of standard, is used for detecting sensor electric energy quality perception function, short circuit fault perception function, edge calculation function and on-the-spot operation executive function.
As further preferable in the present technical solution: the abnormal working conditions of the electric energy quality comprise voltage deviation, voltage fluctuation and flicker, three-phase voltage unbalance, frequency deviation, harmonic waves and intermittent waves, and the short-circuit fault working conditions comprise single-phase earth faults, interphase short-circuit faults and three-phase short-circuit faults.
As further preferable in the present technical solution: the early warning module comprises a buzzer and an LED flashing light.
As further preferable in the present technical solution: the judgment formula of the operation execution is as formula (1), the judgment formula of the working condition perception function is as formula (2), and formula (1): ε d ═ uneq (T'd, T' wd, Td), formula (2): d ═ uneq (T'd, T' wd, Td); in the formula (1), ε d represents an error in the execution of the operation; uneq () is a function for judging data inequality, the return value is 1 when the data are not equal, the return value is 0 when the data are equal, the judgment of operation execution qualification must meet the condition that the function setting, the body execution and the operation uploading value are equal, namely, epsilon d is 0, in the formula (2), epsilon w is an error of working condition perception, errors of voltage, current, frequency and phase angle are respectively calculated, and when the error epsilon w is more than a limit value epsilon 0, the perception function can be judged to be qualified.
As further preferable in the present technical solution: an access adapter is arranged between the sensing network end and the data collection node, the input end of the access adapter is connected with the output end of the sensing network end, and the output end of the access adapter is connected with the input end of the data collection node.
As further preferable in the present technical solution: the internet/mobile internet platform is an internet mobile office platform.
The invention has the advantages that: according to the detection method, the single chip microcomputer transmits the command to the operation execution unit, the power equipment body of the power internet of things is opened to work, and detection is performed through the sensing network end while working, so that the problem of function detection of operation state information acquisition, data uploading and operation execution of the power equipment of the power internet of things is solved, the overall performance evaluation of the sensing layer of the power equipment of the power internet of things can be given, important function requirements such as sensor performance, sensor network performance and communication protocols can be evaluated in the overall mode through the detection method, and the detection method is a rapid and effective detection method.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic block diagram of a system of the present invention;
FIG. 2 is a schematic diagram of an operating mode unit according to the present invention;
fig. 3 is a schematic diagram of an early warning module according to the present invention.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-3, the present invention provides a technical solution: a power Internet of things sensing system comprises a single chip microcomputer, an operation execution unit, a power equipment body of the power Internet of things, a sensing network end, a data collection node, a working condition parameter acquisition unit, a working condition unit, an LORA, a cloud server, an Internet/mobile Internet platform and an early warning module, wherein the output end of the single chip microcomputer is connected with the input end of the operation execution unit, the output end of the operation execution unit is connected with the input end of the power equipment body of the Internet of things, the output end of the power equipment body of the Internet of things is connected with the input end of the sensing network end, the output end of the sensing network end is connected with the input end of the data collection node, the input end of the single chip microcomputer is connected with the output end of the data collection node, the output end of the single chip microcomputer is connected with the input end, and the output end of the singlechip is connected with the input end of the early warning module.
In this embodiment, specifically: the single-chip microcomputer is connected with the LORA in a two-way mode, the output end of the LORA is connected with the input end of the cloud server, the output end of the cloud server is connected with the input end of the Internet/mobile Internet platform, parameters can be transmitted through the wireless signals of the LORA by the single-chip microcomputer, remote observation can be achieved, and workers can observe and operate conveniently.
In this embodiment, specifically: LORA adopts GSM/GPRS network, the singlechip passes through LORA's GSM/GPRS network and cloud ware both way junction, and LORA can guarantee the stable transmission of data through the setting that adopts GSM/GPRS network, avoids appearing the error in transmission process, and misleading staff's the condition appears.
In this embodiment, specifically: the operating mode unit includes normal operating mode source and abnormal operating mode source, normal operating mode source produces standard voltage, electric current, phase angle, frequency operating mode for detect sensor degree of accuracy, network protocol, abnormal operating mode source produces the unusual operating mode of standard electric energy quality, perhaps produces the short-circuit fault operating mode of standard, is used for detecting sensor electric energy quality perception function, short-circuit fault perception function, edge calculation function and on-the-spot operation executive function, can detect the sensor in the sensing network end, detects its voltage, electric current, phase angle, frequency operating mode, and can electric energy quality perception function, short-circuit fault perception function, edge calculation function and on-the-spot operation executive function.
In this embodiment, specifically: the abnormal working conditions of the electric energy quality comprise voltage deviation, voltage fluctuation and flicker, three-phase voltage unbalance, frequency deviation, harmonic waves and intermittent waves, and the short-circuit fault working conditions comprise single-phase earth faults, interphase short-circuit faults and three-phase short-circuit faults.
In this embodiment, specifically: the early warning module comprises a buzzer and an LED flashing light, and can warn workers when equipment fails.
In this embodiment, specifically: the judgment formula of the operation execution is as formula (1), the judgment formula of the working condition perception function is as formula (2), and formula (1): ε d ═ uneq (T'd, T' wd, Td), formula (2): d ═ uneq (T'd, T' wd, Td); in the formula (1), ε d represents an error in the execution of the operation; uneq () is a function for judging data inequality, the return value is 1 when the data are not equal, the return value is 0 when the data are equal, the judgment of operation execution qualification must meet the condition that the function setting, the body execution and the operation uploading value are equal, namely, epsilon d is 0, in the formula (2), epsilon w is an error of working condition perception, errors of voltage, current, frequency and phase angle are respectively calculated, and when the error epsilon w is more than a limit value epsilon 0, the perception function can be judged to be qualified.
In this embodiment, specifically: an access adapter is arranged between the sensing network end and the data collection node, the input end of the access adapter is connected with the output end of the sensing network end, the output end of the access adapter is connected with the input end of the data collection node, and collected parameters can be converted into data to be transmitted to the data collection node.
In this embodiment, specifically: the Internet/mobile Internet platform is an Internet mobile office platform, can be convenient for a worker to carry out remote operation and observation, and brings great convenience for the worker to work.
The invention relates to a detection system for establishing a sensing layer of power equipment of the power internet of things, which is used for solving the function detection of the operation state information acquisition, data uploading and operation execution of the power equipment of the power internet of things, wherein a command is transmitted to an operation execution unit through a single chip microcomputer, a body of the power equipment of the power internet of things is opened to work, the detection is carried out through a sensing network end while the detection is carried out, a sensing network end transmits real-time detected parameters to a data collection node through an access adapter, the data collection node transmits the parameters to the single chip microcomputer, the working condition of the body of the power equipment of the power internet of things is detected through the connection of a working condition unit and the sensing network end, the parameters are transmitted to the single chip microcomputer through a working condition parameter acquisition unit, the single chip microcomputer uploads the parameters to a cloud server, and a worker observes, the system can provide overall performance evaluation of the power equipment sensing layer of the power internet of things, and the detection method can evaluate important functional requirements such as sensor performance, sensor network performance and communication protocols from the whole and is a quick and effective detection method.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides an electric power thing networking perception system, includes singlechip, operation execution unit, electric power thing networking power equipment body, sensing network end, data collection node, operating mode parameter acquisition unit, operating mode unit, LORA, cloud ware, internet/mobile internet platform and early warning module, its characterized in that: the output of singlechip is connected with operation execution unit's input, operation execution unit's output is connected with the input of electric power thing networking equipment body, the output of electric power thing networking equipment body is connected with the input of sensing network end, the output of sensing network end is connected with the input of data collection node, the input of singlechip is connected with the output of data collection node, the output of singlechip is connected with the input of operating mode unit, the output of operating mode unit is connected with the input of sensing network end, the output of singlechip is connected with the input of early warning module.
2. The power internet of things perception system of claim 1, wherein: the single chip microcomputer is connected with the LORA in a two-way mode, the output end of the LORA is connected with the input end of the cloud server, and the output end of the cloud server is connected with the input end of the Internet/mobile Internet platform.
3. The power internet of things perception system according to claim 2, wherein: the LORA adopts a GSM/GPRS network, and the single chip microcomputer is in bidirectional connection with the cloud server through the GSM/GPRS network of the LORA.
4. The power internet of things perception system of claim 1, wherein: the operating mode unit includes normal operating mode source and abnormal operating mode source, normal operating mode source produces standard voltage, electric current, phase angle, frequency operating mode for detect sensor degree of accuracy, network protocol, the abnormal operating mode source produces the unusual operating mode of standard electric energy quality, perhaps produces the short circuit fault operating mode of standard, is used for detecting sensor electric energy quality perception function, short circuit fault perception function, edge calculation function and on-the-spot operation executive function.
5. The power internet of things perception system of claim 4, wherein: the abnormal working conditions of the electric energy quality comprise voltage deviation, voltage fluctuation and flicker, three-phase voltage unbalance, frequency deviation, harmonic waves and intermittent waves, and the short-circuit fault working conditions comprise single-phase earth faults, interphase short-circuit faults and three-phase short-circuit faults.
6. The power internet of things perception system of claim 1, wherein: the early warning module comprises a buzzer and an LED flashing light.
7. The power internet of things perception system of claim 1, wherein: the judgment formula of the operation execution is as formula (1), the judgment formula of the working condition perception function is as formula (2), and formula (1): ε d ═ uneq (T'd, T' wd, Td), formula (2): d ═ uneq (T'd, T' wd, Td); in the formula (1), ε d represents an error in the execution of the operation; uneq () is a function for judging data inequality, the return value is 1 when the data are not equal, the return value is 0 when the data are equal, the judgment of operation execution qualification must meet the condition that the function setting, the body execution and the operation uploading value are equal, namely, epsilon d is 0, in the formula (2), epsilon w is an error of working condition perception, errors of voltage, current, frequency and phase angle are respectively calculated, and when the error epsilon w is more than a limit value epsilon 0, the perception function can be judged to be qualified.
8. The power internet of things perception system of claim 1, wherein: an access adapter is arranged between the sensing network end and the data collection node, the input end of the access adapter is connected with the output end of the sensing network end, and the output end of the access adapter is connected with the input end of the data collection node.
9. The power internet of things perception system of claim 1, wherein: the internet/mobile internet platform is an internet mobile office platform.
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| CN201911147073.2A CN111007449A (en) | 2019-11-20 | 2019-11-20 | Electric power thing networking perception system |
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| CN201911147073.2A CN111007449A (en) | 2019-11-20 | 2019-11-20 | Electric power thing networking perception system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112104717A (en) * | 2020-09-03 | 2020-12-18 | 国网四川省电力公司电力科学研究院 | Safety detection method for power Internet of things equipment |
| CN112187946A (en) * | 2020-09-30 | 2021-01-05 | 国网河北省电力有限公司电力科学研究院 | Internet of things sensing equipment evaluation system and method |
-
2019
- 2019-11-20 CN CN201911147073.2A patent/CN111007449A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112104717A (en) * | 2020-09-03 | 2020-12-18 | 国网四川省电力公司电力科学研究院 | Safety detection method for power Internet of things equipment |
| CN112187946A (en) * | 2020-09-30 | 2021-01-05 | 国网河北省电力有限公司电力科学研究院 | Internet of things sensing equipment evaluation system and method |
| CN112187946B (en) * | 2020-09-30 | 2024-01-19 | 国网河北省电力有限公司电力科学研究院 | System and method for evaluating sensing equipment of Internet of things |
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