CN111505408A - Detection system and method for photovoltaic inverter - Google Patents
Detection system and method for photovoltaic inverter Download PDFInfo
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- CN111505408A CN111505408A CN202010196826.5A CN202010196826A CN111505408A CN 111505408 A CN111505408 A CN 111505408A CN 202010196826 A CN202010196826 A CN 202010196826A CN 111505408 A CN111505408 A CN 111505408A
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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Abstract
The invention discloses a detection system and method for a photovoltaic inverter, and relates to the technical field of inverter detection. The invention comprises a programmed singlechip, a communication module used for being connected with a detected inverter, a touch screen module connected with the singlechip, a storage module used for storing and a USB module used for interacting with external data; the communication module, the storage module and the USB module are electrically connected with the singlechip; an expert database is stored in the storage module; the USB module is connected with an external USB device. According to the photovoltaic inverter detection system, the workload of operation and maintenance work is reduced, the work efficiency of operation and maintenance personnel is improved, real-time power generation data read from the inverter are compared with electric quantity data of an electric meter, and the problem that the existing photovoltaic inverter is inconvenient to inspect on site is solved.
Description
Technical Field
The invention belongs to the technical field of inverter detection, and particularly relates to a detection system and method for a photovoltaic inverter.
Background
With the formation of the scale of the photovoltaic power station and the monitoring of the national photovoltaic power station by the national power grid utilization network, the unified and fine management of the national photovoltaic power station is started. 26 months 4 and 2018, the national grid company declares that the first domestic photovoltaic college is established, and a large number of photovoltaic power station operation and maintenance personnel are trained nationwide. The operation and maintenance personnel need corresponding detection tools when the photovoltaic power station is in field routine inspection and troubleshooting. At present, analyzers for photovoltaic power station detection in the market mainly focus on the detection of electric energy quality and photovoltaic modules, and fewer analysis systems and analyzers are specially used for inverter state detection. Therefore, the present document provides a detection system and method for a photovoltaic inverter, which is used for detecting the state and fault problems of the photovoltaic inverter in real time by connecting wires.
Disclosure of Invention
The invention aims to provide a detection system and a detection method for a photovoltaic inverter, which reduce the workload of operation and maintenance work and improve the work efficiency of operation and maintenance personnel through the detection system of the photovoltaic inverter, compare real-time power generation data read from the inverter with electric quantity data of an electric meter, and solve the problem of inconvenient field inspection of the existing photovoltaic inverter.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a detection system for a photovoltaic inverter, which comprises a programmed singlechip, a communication module for connecting with the inverter to be detected, a touch screen module connected with the singlechip, a storage module for storing, and a USB module for interacting with external data; the communication module, the storage module and the USB module are electrically connected with the single chip microcomputer; an expert database is stored in the storage module; the USB module is connected with external USB equipment.
A detection method for a photovoltaic inverter, comprising the process of:
starting up a connection line, starting a program through a touch screen module, entering a main interface after the program runs, and connecting a communication module with an inverter information exchange interface end through a data connection line;
in the data query process, a data query function is entered through a touch screen module, and the brand, model and address information of the inverter is set; checking whether the detection device is successfully communicated with the inverter or not, checking a connecting line between the communication module and the inverter when the detection device is not successfully connected, resetting brand, model and address information of the inverter, and repeating the operation when the communication module is not successfully connected; the connection communication successfully enters a data display interface, and the generated energy and power information of the inverter is displayed; exiting the query interface to the main interface after the inverter information query is finished;
in the fault query process, a fault query function is entered through a touch screen module, and the brand, model and address information of the inverter is set; checking whether the detection device is successfully communicated with the inverter or not, checking a connecting line between the communication module and the inverter when the detection device is not successfully connected, resetting brand, model and address information of the inverter, and repeating the operation when the communication module is not successfully connected; the connection communication successfully enters a fault display interface, and the fault state and the fault code of the inverter are displayed; exiting the query interface to the main interface after the fault information query is finished;
and disconnecting, namely removing one end of the data connecting line connected with the equipment end, and then removing one end of the data connecting line connected with the inverter.
The invention has the following beneficial effects:
according to the invention, through a human-computer interface of a detection system of the photovoltaic inverter, a perfect expert database and a strong fault diagnosis function, the workload of operation and maintenance work is reduced, the work efficiency of operation and maintenance personnel is improved, and the work difficulty of the operation and maintenance personnel is reduced; the detection method of the photovoltaic inverter compares real-time power generation data read from the inverter with electric quantity data of an electric meter, and avoids power generation data from being counterfeited.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a system block diagram of a detection system for a photovoltaic inverter of the present invention;
FIG. 2 is a flow chart of a detection method for a photovoltaic inverter of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
the system comprises a single chip microcomputer 1, a communication module 2, a touch screen module 3, a storage module 4 and a USB module 5.
Detailed Description
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.
Referring to fig. 1, the invention is a detection system for a photovoltaic inverter, which includes a programmed single chip microcomputer 1, a communication module 2 for connecting with the inverter to be detected, a touch screen module 3 connected with the single chip microcomputer 1, a storage module 4 for storing, and a USB module 5 for interacting with external data; the communication module 2, the storage module 4 and the USB module 5 are electrically connected with the singlechip 1; a perfect expert database is stored in the storage module 4, and the programmed singlechip 1 has a strong fault diagnosis function, so that the workload of operation and maintenance work is reduced, the work efficiency of operation and maintenance personnel is improved, and the work difficulty of the operation and maintenance personnel is reduced;
aiming at the novel inverter, after the protocol is developed, the novel inverter can be connected and upgraded with the USB module 5 through the USB flash disk, and the novel inverter can support inverters of various brands and models;
the communication module 2 can be provided with various interface adapters, and aims at the inverter interfaces of different brands and different models to solve the problem of interface compatibility.
Referring to fig. 2, a detection method for a photovoltaic inverter includes the following steps:
starting up a connection line, starting a program through the touch screen module 3, entering a main interface after the program runs, and connecting the communication module 2 with an inverter information exchange interface end through a data connection line;
in the data query process, a data query function is entered through the touch screen module 3, and the brand, model and address information of the inverter is set; checking whether the detection device is successfully communicated with the inverter or not, checking a connecting line between the communication module 2 and the inverter when the detection device is not successfully connected, resetting brand, model and address information of the inverter, and repeating the operation when the communication module is not successfully connected; the connection communication successfully enters a data display interface, and the generated energy and power information of the inverter is displayed; exiting the query interface to the main interface after the inverter information query is finished;
in the fault query process, a fault query function is entered through the touch screen module 3, and the brand, model and address information of the inverter is set; checking whether the detection device is successfully communicated with the inverter or not, checking a connecting line between the communication module 2 and the inverter when the detection device is not successfully connected, resetting brand, model and address information of the inverter, and repeating the operation when the communication module is not successfully connected; the connection communication successfully enters a fault display interface, the fault state and the fault code of the inverter are displayed, a fault diagnosis information interface is popped up, and engineering personnel can quickly analyze the fault reason according to the diagnosis information, can easily know the working state of the inverter and provide a solution for quick diagnosis; exiting the query interface to the main interface after the fault information query is finished;
disconnecting, namely removing one end of the data connecting line connected with the equipment end, and then removing one end of the data connecting line connected with the inverter;
the detection method of the photovoltaic inverter compares real-time power generation data read from the inverter with electric quantity data of an electric meter, and avoids power generation data from being counterfeited.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (2)
1. A detection system for a photovoltaic inverter, characterized by:
the system comprises a programmed singlechip (1), a communication module (2) connected with a detected inverter, a touch screen module (3) connected with the singlechip (1), a storage module (4) used for storage, and a USB module (5) used for interacting with external data; the communication module (2), the storage module (4) and the USB module (5) are electrically connected with the single chip microcomputer (1); an expert database is stored in the storage module (4); the USB module (5) is connected with external USB equipment.
2. The detection method for a photovoltaic inverter according to claim 1, characterized in that it comprises the following processes:
starting up a connection line, starting a program through the touch screen module (3), entering a main interface after the program runs, and connecting the communication module (2) with the information exchange interface end of the inverter through a data connection line;
in the data query process, a data query function is entered through the touch screen module (3), and the brand, model and address information of the inverter is set; checking whether the detection device is successfully communicated with the inverter or not, checking a connecting line between the communication module (2) and the inverter when the detection device is not successfully connected, resetting brand, model and address information of the inverter, and repeating the operation when the communication module is not successfully connected; the connection communication successfully enters a data display interface, and the generated energy and power information of the inverter is displayed; exiting the query interface to the main interface after the inverter information query is finished;
in the fault query process, a fault query function is entered through the touch screen module (3), and the brand, model and address information of the inverter is set; checking whether the detection device is successfully communicated with the inverter or not, checking a connecting line between the communication module (2) and the inverter when the detection device is not successfully connected, resetting brand, model and address information of the inverter, and repeating the operation when the communication module is not successfully connected; the connection communication successfully enters a fault display interface, and the fault state and the fault code of the inverter are displayed; exiting the query interface to the main interface after the fault information query is finished;
and disconnecting, namely removing one end of the data connecting line connected with the equipment end, and then removing one end of the data connecting line connected with the inverter.
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| CN110138844A (en) * | 2019-04-24 | 2019-08-16 | 华南理工大学 | A kind of micro- monitoring inverter system and method for distributed photovoltaic power generation |
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2020
- 2020-03-19 CN CN202010196826.5A patent/CN111505408A/en active Pending
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| CN205229295U (en) * | 2015-11-13 | 2016-05-11 | 国网江西省电力科学研究院 | A device for photovoltaic power generation electric energy measurement monitoring |
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