CN116896164A - Communication system and communication method of micro inverter - Google Patents

Communication system and communication method of micro inverter Download PDF

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Publication number
CN116896164A
CN116896164A CN202310874646.1A CN202310874646A CN116896164A CN 116896164 A CN116896164 A CN 116896164A CN 202310874646 A CN202310874646 A CN 202310874646A CN 116896164 A CN116896164 A CN 116896164A
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China
Prior art keywords
micro
inverter
communication
data
wifi
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Pending
Application number
CN202310874646.1A
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Chinese (zh)
Inventor
王灿
李�杰
汪海东
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Enwo New Energy Technology Shanghai Co ltd
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Enwo New Energy Technology Shanghai Co ltd
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Priority to CN202310874646.1A priority Critical patent/CN116896164A/en
Publication of CN116896164A publication Critical patent/CN116896164A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
    • H02J13/00026—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission involving a local wireless network, e.g. Wi-Fi, ZigBee or Bluetooth
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention provides a communication system of a micro inverter, which comprises a first microprocessor and a WIFI module which are in communication connection; the communication system comprises a communication device, wherein an application program is installed in the communication device; the micro inverter and the communication device are in wireless communication through the WIFI module, and the running data of the micro inverter are checked through the application program. The communication method of the micro inverter utilizes the communication system, and the method comprises the following steps: acquiring the name of the WIFI module corresponding to the micro inverter to be connected; connecting to the corresponding micro inverter by using a communication device based on the name of the WIFI module; and opening an application program on the communication device, and checking the data of the micro inverter through the application program.

Description

Communication system and communication method of micro inverter
Technical Field
The invention relates to the technical field of photovoltaic power generation, in particular to a communication system and a communication method of a micro inverter.
Background
The micro inverter is also called a power regulator and a power regulator, and is an indispensable part of a photovoltaic system. The photovoltaic inverter has the main function of converting direct current generated by the solar panel into alternating current used by household appliances, and all the electricity generated by the solar panel can be output through the inverter.
As described in patent application No. 201610335277.9, a composite communication system of a PLC/ZigBee micro inverter and a communication method thereof are disclosed, including an upper computer, a concentrator and n micro inverse units; the arbitrary i-th micro inverse unit of the n micro inverse units comprises: the wireless communication system comprises a micro inverter, a wireless communication ZigBee module and a power line carrier PLC module; the communication is mainly carried out by using a power line carrier PLC communication layer, the ZigBee wireless communication is used as a monitoring layer and is responsible for monitoring communication data of the power line carrier communication PLC, if the communication data of the power line carrier communication PLC and the communication data of the ZigBee wireless communication are greatly different, the communication of the power line carrier PLC must be disconnected, and meanwhile the ZigBee wireless communication takes over the power line carrier PLC communication. The patent can solve the defects and the shortcomings brought by a single communication mode of the traditional micro inverter, and ensures that the micro inverter works normally in real time.
Although the patent solves the defects and disadvantages caused by a single communication mode, the communication of the power line carrier PLC and the ZigBee wireless communication are required to work simultaneously, and the connection is required to be completed by arranging a concentrator, so that the complexity is increased.
Therefore, how to optimize the communication system of the micro-inverter to make the communication mode simpler is a problem to be solved at present.
Disclosure of Invention
The invention aims to provide a communication system and a communication method of a micro inverter, which can simplify a communication mode.
In order to achieve the above object, the present invention provides a communication system of a micro inverter, comprising: the micro inverter comprises a first microprocessor and a WIFI module which are in communication connection;
the communication system comprises a communication device, wherein an application program is installed in the communication device;
the micro inverter and the communication device are in wireless communication through the WIFI module, and the running data of the micro inverter are checked through the application program.
In an alternative scheme, the number of the micro-inverters is a plurality, and the micro-inverters are all connected to a power line;
the communication system further includes: and the concentrator acquires data of each micro inverter through the power line.
In an alternative scheme, the micro inverter comprises a first PLC module, the first PLC module is in communication connection with the first microprocessor, and data of the micro inverter are sent to the power line through the first PLC module.
In an alternative, the concentrator includes: the second microprocessor and the second PLC module are in communication connection;
and the second PLC module acquires the data of the micro inverter through the power line and transmits the data of the micro inverter to the second microprocessor.
In an alternative, the concentrator further comprises: a portal or wireless module;
and the second microprocessor sends the data of the micro inverter to a local area network through the network port or the wireless module.
In an alternative scheme, the communication system further comprises a server, and the micro inverter and the concentrator send and store data of the micro inverter to the server through the local area network.
The invention also provides a communication method of the micro inverter, which comprises the following steps of:
acquiring the name of the WIFI module corresponding to the micro inverter to be connected;
connecting to the corresponding micro inverter by using a communication device based on the name of the WIFI module;
and opening an application program on the communication device, and checking the data of the micro inverter through the application program.
In an alternative scheme, the application program has a device setting function, and when the micro-inverter needs to be set, an instruction is sent to the micro-inverter through the application program.
In an alternative solution, the obtaining the name of the WIFI module corresponding to the micro inverter to be connected includes:
before the micro inverter leaves the factory, setting the name of the WIFI module as the equipment number of the micro inverter, and obtaining the name of the WIFI module by checking the equipment number of the micro inverter.
In an alternative, the method further comprises: and adding the WIFI module of the micro inverter into a local area network of a user, so that after the communication device is connected to the local area network, the data of the micro inverter can be obtained through the application program.
In an alternative, the method for adding the WIFI module of the micro inverter to the local area network of the user includes:
after the communication device is connected with the corresponding micro inverter, the WIFI module receives a command for searching WIFI sent by the application program and sends all the searched WIFI names to the application program;
and the WIFI module is connected to the local area network of the user based on the WIFI name selected by the user and the provided password.
In an alternative, the method for adding the WIFI module of the micro inverter to the local area network of the user includes:
after the communication device is connected with the corresponding micro inverter, the communication device enters a local WIFI configuration interface through an application program, and a WIFI searching instruction is sent to the WIFI module;
after the application program receives the WIFI names found by the WIFI module, displaying all the WIFI names on an interface, and sending the WIFI names selected by the user and the corresponding passwords to the WIFI module by the application program, wherein the WIFI module is connected to a local area network of the user according to the WIFI names and the passwords provided by the user.
In an alternative, the method further comprises: and sending the data of the micro-inverter to a server, and checking all the data of the micro-inverter connected to the server by logging in a website.
The invention also provides a communication method of the micro inverter, which comprises the following steps:
judging whether a user selects to check the communication mode of the micro inverter to be a WIFI mode or not;
if yes, acquiring the data of the micro inverter according to the method;
and if not, acquiring the data of the micro inverter by a power line carrier communication method.
In an alternative, the method for power line carrier communication includes:
the concentrator sends a request instruction to the power line;
the micro inverter judges whether to request data to the micro inverter by analyzing the instruction, if so, the micro inverter sends the data to the power line;
the concentrator judges whether the data transmitted by the power line are needed data or not, and if yes, the data are transmitted to the server through a network port or a wireless module.
The invention has the beneficial effects that:
according to the invention, the WIFI module is integrated in the micro-inverter, and the application program is installed on the communication device, so that a user can check the data of the micro-inverter through wireless communication. WIFI communication, convenient and fast can accomplish the operation without the concentrator of patent among the background art.
Drawings
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular descriptions of exemplary embodiments of the invention as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the invention.
Fig. 1 is a schematic structural diagram of a communication system of a micro-inverter according to an embodiment of the present invention;
Detailed Description
The invention is described in further detail below with reference to the drawings and the specific examples. The advantages and features of the present invention will become more apparent from the following description and drawings, however, it should be understood that the inventive concept may be embodied in many different forms and is not limited to the specific embodiments set forth herein. The drawings are in a very simplified form and are to non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the invention.
It will be understood that when an element or layer is referred to as being "on," "adjacent," "connected to," or "coupled to" another element or layer, it can be directly on, adjacent, connected, or coupled to the other element or layer, or intervening elements or layers may be present. In contrast, when an element is referred to as being "directly on," "directly adjacent to," "directly connected to," or "directly coupled to" another element or layer, there are no intervening elements or layers present. It will be understood that, although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the present invention.
Spatially relative terms, such as "under," "below," "beneath," "under," "above," "over," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use and operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "under" or "beneath" other elements would then be oriented "on" the other elements or features. Thus, the exemplary terms "below" and "under" may include both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. As used herein, the term "and/or" includes any and all combinations of the associated listed items.
Example 1
Referring to fig. 1, the present embodiment provides a communication system of a micro inverter, where the micro inverter includes a first microprocessor and a WIFI module that are communicatively connected;
the communication system comprises a communication device, wherein an application program is installed in the communication device;
the micro inverter and the communication device are in wireless communication through the WIFI module, and the running data of the micro inverter are checked through the application program.
Specifically, in this embodiment, the communication device is a smart phone, and the application program is APP. The number of the micro-inverters is multiple, and the micro-inverters are connected to the power line. The communication system further includes a concentrator that acquires data of each micro-inverter through a power line.
In this embodiment, the micro inverter includes a first PLC module, the first PLC module is in communication connection with the first microprocessor, and data of the micro inverter is sent to the power line through the first PLC module. In this embodiment, the first PLC module communicates with the first microprocessor through an SPI synchronous serial port; the first microprocessor and the WIFI module are communicated through a serial communication interface.
In this embodiment, the concentrator includes a second microprocessor and a second PLC module communicatively coupled; the second PLC module acquires data of the micro inverter through a power line and transmits the data of the micro inverter to the second microprocessor. In this embodiment, the concentrator further includes a network port or a wireless module, and the second microprocessor sends the data of the micro inverter to the local area network through the network port or the wireless module.
In this embodiment, the communication system further includes a server, and the micro inverter and the concentrator transmit and store data of the micro inverter to the server through a local area.
According to the communication system, the WIFI module is integrated in the micro-inverter, and the APP is installed on the mobile phone, so that a user can check data of the micro-inverter through wireless communication.
Example 2
The embodiment provides a communication method of a micro inverter, and the method comprises the following steps of:
acquiring the name of the WIFI module corresponding to the micro inverter to be connected;
connecting to the corresponding micro inverter by using a communication device based on the name of the WIFI module;
and opening an application program on the communication device, and checking the data of the micro inverter through the application program.
Specifically, when the micro-inverter leaves the factory, the internal WIFI module is switched to an APST mode (namely, a wireless connection point and a terminal coexist mode), and at the moment, the internal WIFI module of the micro-inverter can be used as a wireless access point (AP mode) so that a mobile phone of a user can be connected with the WIFI module, and can also be used as a terminal to be connected with a router in a user home.
The access point name (i.e. the name of the WIFI connected by the mobile phone of the user) of the WIFI module can be changed into the name with the same equipment number of the micro-inverter, such as 30199182, when the user searches the WIFI through the mobile phone, the corresponding WIFI module can be found according to the equipment number corresponding to the micro-inverter.
After the user installs the micro-inverter, the user may connect WIFI corresponding to the micro-inverter device ID. After the WIFI connection is successful, the user uses the 'EnverView' APP installed on the mobile phone. After the 'EnverView' APP is opened, the method enters a local equipment interface, and the current running condition of the micro-inverter can appear on the local equipment interface.
In addition, "EnverView" APP also provides device setup functionality, and the user may select different settings, and the micro-inverter responds to different actions according to different received instructions.
Because the WIFI module corresponding to the micro-inverter device ID needs to be connected by using the mobile phone every time data is queried, the WIFI module is troublesome (especially when a user purchases a plurality of micro-inverters), and therefore, the user can select to configure through the 'EnverView' APP to access the micro-inverter into a local area network in the home of the user.
The user can directly connect the WIFI module corresponding to the micro-inverter device ID, then open the 'EnverView' APP, and enter the local WIFI configuration interface. The user clicks the search button, and at the moment, the APP can send a WIFI searching instruction to the micro-inverter, and the micro-inverter can search nearby WIFI after receiving the instruction and send the searched WIFI name to the APP. After the APP receives the WIFI names found by the micro inverter, all the WIFI names are displayed on the interface in a list mode, a user can select the WIFI names of the user, then a password corresponding to the WIFI is input, and the user clicks and determines the password.
At this time, the APP can send the WIFI name and the password in the user home to the micro inverter, and the WIFI module in the micro inverter is connected to the local area network of the user according to the WIFI name and the password provided by the user by using the terminal mode because the WIFI module is in a wireless access point and terminal coexistence mode (APSTA mode).
After the WIFI module is successfully accessed to the local area network of the user, the user only needs to be connected with the local area network of the user, and all micro-inverters accessed to the local area network of the user can be found through the APP.
If the user's local area network can be connected to an external network, all micro-inverters that are connected to the local area network can also send data to the server. A user can view all data within half a year of all micro-inverters connected to the server by logging into the company's website.
According to the embodiment, the WIFI wireless communication mode is utilized, convenience and quickness are achieved, the data of the micro inverter can be checked through the APP, and the operation can be completed without a concentrator of a patent in the background technology. After the WIFI module is accessed to the local area network of the user, the user can find all the micro-inverters accessed to the local area network of the user through the APP only by connecting the user with the local area network (the WIFI module of the micro-inverter is not required to be directly connected).
Example 3
The embodiment provides a communication method of a micro inverter, which comprises the following steps:
judging whether a user selects to check the communication mode of the micro inverter to be a WIFI mode or not;
if yes, acquiring data of the micro-inverter according to the method of embodiment 2;
and if not, acquiring the data of the micro inverter by a power line carrier communication method.
The power line carrier communication method comprises the following steps:
the second microprocessor in the concentrator stores a device ID number list of the micro inverter, when the second microprocessor in the concentrator considers that data of the micro inverter needs to be acquired after a period of time, the second microprocessor in the concentrator can send a request instruction of the device ID to the second PLC module of the concentrator through SPI communication from the first device ID according to the ID number list, the second PLC module of the concentrator sends a received instruction to the upper surface of a power line, at the moment, the first PLC module in the micro inverter can send information received on the power line to the first microprocessor of the micro inverter through SPI, the first microprocessor of the micro inverter analyzes and judges whether the data is required to the first PLC module of the micro inverter or not, if the data is required to be sent to the first PLC module of the micro inverter through SPI, the first PLC module of the micro inverter sends the data to the upper surface of the power line, the first PLC module of the concentrator receives the data and then sends the request instruction to the second microprocessor of the concentrator, and the second microprocessor of the concentrator judges that the data is the required data of the next device ID in the device ID list. After all data are collected, the concentrator sends the data to the server through the network port or the wireless module.
According to the micro-inverter, according to different customer demands and different working environments, different communication modes can be selected to view and monitor the conditions of data, performance and the like of the micro-inverter. If the user considers that the power line carrier communication is safer and more reliable and the power line carrier communication is conditionally used, the communication is performed by using supporting facilities such as a monitor and the like; if the user considers that the installation of using the power line carrier communication is troublesome or the condition is not allowed, the WIFI communication can be selected to be used, the operation is convenient and quick, and the operation can be completed without a concentrator of the patent in the background art when the WIFI communication is used.
The above description is only illustrative of the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, and any alterations and modifications made by those skilled in the art based on the above disclosure shall fall within the scope of the appended claims.

Claims (15)

1. The communication system of the micro inverter is characterized in that the micro inverter comprises a first microprocessor and a WIFI module which are in communication connection;
the communication system comprises a communication device, wherein an application program is installed in the communication device;
the micro inverter and the communication device are in wireless communication through the WIFI module, and the running data of the micro inverter are checked through the application program.
2. The communication system of micro-inverters of claim 1, wherein the number of micro-inverters is plural, and a plurality of the micro-inverters are each connected to a power line;
the communication system further includes: and the concentrator acquires data of each micro inverter through the power line.
3. The communication system of the micro-inverter of claim 2, wherein the micro-inverter comprises a first PLC module communicatively coupled to the first microprocessor, and wherein the data of the micro-inverter is transmitted to the power line via the first PLC module.
4. The communication system of a micro-inverter of claim 2, wherein the concentrator comprises: the second microprocessor and the second PLC module are in communication connection;
and the second PLC module acquires the data of the micro inverter through the power line and transmits the data of the micro inverter to the second microprocessor.
5. The micro-inverter communication system of claim 4, wherein the concentrator further comprises: a portal or wireless module;
and the second microprocessor sends the data of the micro inverter to a local area network through the network port or the wireless module.
6. The micro-inverter communication system of claim 5, further comprising a server, wherein the micro-inverter and the concentrator send and store data of the micro-inverter to the server via the local area network.
7. A communication method of a micro-inverter using the communication system of any one of claims 1-6, the method comprising:
acquiring the name of the WIFI module corresponding to the micro inverter to be connected;
connecting to the corresponding micro inverter by using a communication device based on the name of the WIFI module;
and opening an application program on the communication device, and checking the data of the micro inverter through the application program.
8. The communication method of the micro-inverter according to claim 7, wherein the application program has a device setting function, and when the micro-inverter needs to be set, an instruction is sent to the micro-inverter through the application program.
9. The communication method of the micro-inverter according to claim 7, wherein the obtaining the name of the WIFI module corresponding to the micro-inverter to be connected includes:
before the micro inverter leaves the factory, setting the name of the WIFI module as the equipment number of the micro inverter, and obtaining the name of the WIFI module by checking the equipment number of the micro inverter.
10. The method of communication of a microinverter of claim 7, further comprising:
and adding the WIFI module of the micro inverter into a local area network of a user, so that after the communication device is connected to the local area network, the data of the micro inverter can be obtained through the application program.
11. The method of communication of a micro-inverter of claim 10, wherein the method of joining the WIFI module of the micro-inverter into a local area network of a user comprises:
after the communication device is connected with the corresponding micro inverter, the WIFI module receives a command for searching WIFI sent by the application program and sends all the searched WIFI names to the application program;
and the WIFI module is connected to the local area network of the user based on the WIFI name selected by the user and the provided password.
12. The method of communication of a micro-inverter of claim 10, wherein the method of joining the WIFI module of the micro-inverter into a local area network of a user comprises:
after the communication device is connected with the corresponding micro inverter, the communication device enters a local WIFI configuration interface through an application program, and a WIFI searching instruction is sent to the WIFI module;
after the application program receives the WIFI names found by the WIFI module, displaying all the WIFI names on an interface, and sending the WIFI names selected by the user and the corresponding passwords to the WIFI module by the application program, wherein the WIFI module is connected to a local area network of the user according to the WIFI names and the passwords provided by the user.
13. The method of communication of a microinverter of claim 7, further comprising: and sending the data of the micro-inverter to a server, and checking all the data of the micro-inverter connected to the server by logging in a website.
14. A communication method of a micro inverter, comprising:
judging whether a user selects to check the communication mode of the micro inverter to be a WIFI mode or not;
if yes, acquiring data of the micro-inverter according to the method of any one of claims 7-13;
and if not, acquiring the data of the micro inverter by a power line carrier communication method.
15. The communication method of a micro-inverter according to claim 14, wherein the method of power line carrier communication comprises:
the concentrator sends a request instruction to the power line;
the micro inverter judges whether to request data to the micro inverter by analyzing the instruction, if so, the micro inverter sends the data to the power line;
the concentrator judges whether the data transmitted by the power line are needed data or not, and if yes, the data are transmitted to the server through a network port or a wireless module.
CN202310874646.1A 2023-07-17 2023-07-17 Communication system and communication method of micro inverter Pending CN116896164A (en)

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