CN113490215A - Photovoltaic system, equipment distribution method and equipment thereof, and storage medium - Google Patents
Photovoltaic system, equipment distribution method and equipment thereof, and storage medium Download PDFInfo
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- CN113490215A CN113490215A CN202110985361.6A CN202110985361A CN113490215A CN 113490215 A CN113490215 A CN 113490215A CN 202110985361 A CN202110985361 A CN 202110985361A CN 113490215 A CN113490215 A CN 113490215A
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- H04W12/068—Authentication using credential vaults, e.g. password manager applications or one time password [OTP] applications
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Abstract
The invention discloses a photovoltaic system and a device distribution method, a device and a storage medium thereof, wherein the method comprises the following steps: the wireless access equipment is connected with the router in a wired mode in advance, the wireless access equipment broadcasts a wireless signal with a first service set identification generated by the wireless access equipment as a name, when the terminal equipment scans the wireless signal broadcasted by the wireless access equipment, a second service set identification serving as the name of the wireless signal is obtained, a second connection password is obtained according to the second service set identification, a connection request comprising the second service set identification and the second connection password is sent to the wireless access equipment, and after the wireless access equipment verifies that the second service set identification and the second connection password in the connection request pass through by adopting the second service set identification and the first connection password generated by the second service set identification, wireless network connection with the terminal equipment is established. The invention solves the technical problem of complex operation caused by manually configuring a wireless network for an intelligent terminal product, and realizes automatic network distribution of terminal equipment.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a photovoltaic system, a device distribution method and device thereof, and a storage medium.
Background
The intelligent terminal products (such as inverters, electric energy meters and the like) in the household photovoltaic system are provided with the wireless network module, network communication and data transmission can be achieved through the wireless network module, and remote monitoring is conveniently achieved. At present, in order to realize that an intelligent terminal product can normally carry out network communication, a wireless network needs to be manually configured for the intelligent terminal product, namely, the intelligent terminal product is accessed into wireless network equipment, such as a WiFi router. And the access of the wireless network equipment requires the user to manually input the password matched with the wireless network equipment at the intelligent terminal product end so as to establish the wireless network connection of the intelligent terminal product. However, after the password of the wireless network device is changed, the user needs to manually input a new password again at the product end of the intelligent terminal, and the operation is complicated.
Disclosure of Invention
The embodiment of the application aims to solve the technical problem of complex operation caused by manually configuring a wireless network for an intelligent terminal product by providing a photovoltaic system and a network distribution method, equipment and a storage medium of the photovoltaic system.
The embodiment of the application provides a device distribution method of a photovoltaic system, which is applied to wireless access devices and comprises the following steps:
acquiring a first service set identifier, and generating a first connection password according to a preset algorithm and the first service set identifier;
broadcasting a first service set identification of the wireless access device;
when a connection request sent by a terminal device is received, acquiring a second service set identifier and a second connection password in the connection request, wherein the second connection password is generated by the terminal device according to the scanned second service set identifier and the preset algorithm;
and when the second service set identification is matched with the first service set identification and the second connection password is matched with the first connection password, establishing wireless network connection with the terminal equipment.
In one embodiment, the wireless access device is in wired connection with a router.
In an embodiment, the step of obtaining the first service set identifier includes:
acquiring equipment identification information of the wireless access equipment;
and generating the first service set identifier according to the equipment identification information.
The embodiment of the application also provides a device distribution network method of the photovoltaic system, which is applied to terminal devices, and comprises the following steps:
scanning wireless signals broadcast by wireless access equipment;
generating a second connection password according to a second service set identifier in the wireless signal and a preset algorithm;
and sending a connection request comprising the second service set identifier and the second connection password to the wireless access equipment, so that the wireless access equipment establishes wireless network connection with the terminal equipment when verifying that the second service set identifier in the connection request is matched with the first service set identifier of the wireless access equipment and the second connection password is matched with the first connection password, wherein the first connection password is generated by the first service set identifier and the preset algorithm.
In an embodiment, the step of generating a second connection password according to a second service set identifier in the wireless signal and a preset algorithm includes:
when the scanned wireless signal is single, acquiring the second service set identifier in the wireless signal;
and obtaining the second connection password according to the second service set identifier and the preset algorithm.
In an embodiment, the step of generating a second connection password according to a second service set identifier in the wireless signal and a preset algorithm further includes:
when the number of the scanned wireless signals is multiple, acquiring the wireless signals with the strongest signal intensity;
obtaining the second connection password according to the second service set identifier in the wireless signal with the strongest signal and the preset algorithm;
the step of sending a connection request including the second service set identification and the second connection password to the wireless access device comprises:
and sending a connection request comprising the second service set identifier and the second connection password to the wireless access equipment corresponding to the wireless signal with the strongest signal strength.
In an embodiment, the method for device distribution of the photovoltaic system further includes:
acquiring address information of the terminal equipment connected with the wireless access equipment;
and establishing communication connection with a target device in the connected terminal device according to the address information.
In addition, to achieve the above object, the present invention further provides a wireless access device including: the device distribution network system comprises a first memory, a first processor and a device distribution network program which is stored on the first memory and can run on the first processor, wherein the device distribution network program realizes the steps of the device distribution network method of the photovoltaic system when being executed by the first processor.
In addition, to achieve the above object, the present invention also provides a terminal device including: the device distribution network system comprises a second memory, a second processor and a device distribution network program which is stored on the second memory and can run on the second processor, wherein the device distribution network program realizes the steps of the device distribution network method of the photovoltaic system when being executed by the second processor.
In addition, to achieve the above object, the present invention further provides a photovoltaic system, which includes the wireless access device according to claim 8, the terminal device according to claim 9, and a remote monitoring server;
the terminal device includes:
the inverter is electrically connected with a power grid;
the electric energy meter is electrically connected with the inverter;
the remote monitoring server is in wireless communication connection with the inverter through the wireless access equipment and is used for acquiring inverter data acquired by the inverter and electric energy data of the electric energy meter, generating a modulation value according to the inverter data and the electric energy data, and sending the modulation value to the inverter so as to schedule the inverter data.
In an embodiment, the wireless access device is connected with a router in a wired mode, and the inverter and the electric energy meter are connected with the wireless access device in a wireless network mode.
In one embodiment, the electric energy meter is in wireless communication with the inverter.
In one embodiment, the electric energy meter is in wireless communication connection with the wireless access device.
In an embodiment, when the inverter and the wireless access device are disconnected from a wireless network connection, the inverter obtains a stored preset scheduling value, and performs data scheduling on the inverter according to the preset scheduling value.
In addition, to achieve the above object, the present invention further provides a storage medium, on which an equipment distribution network program is stored, and the equipment distribution network program, when executed by a processor, implements the steps of the equipment distribution network method of the photovoltaic system described above.
The technical scheme of the photovoltaic system and the equipment distribution network method, equipment and storage medium thereof provided in the embodiment of the application at least has the following technical effects or advantages:
the wireless access equipment is connected with the router in a wired mode in advance, the wireless access equipment broadcasts a wireless signal with a first service set identifier generated by the wireless access equipment as a name, when the terminal equipment scans the wireless signal broadcasted by the wireless access equipment, a second service set identifier as the name of the wireless signal is obtained, then a second connection password is calculated according to the second service set identifier, a connection request comprising the second service set identifier and the second connection password is sent to the wireless access equipment, the wireless access equipment adopts the second service set identifier and a first connection password generated by the second service set identifier to verify that the second service set identifier and the second connection password in the connection request pass through, and then the technical scheme of establishing wireless network connection with the terminal equipment is established, so that the technical problems of manual configuration of a wireless network for an intelligent terminal product and complex operation are solved, the step of manually configuring the service set identification and the password when the terminal equipment accesses the network is omitted, and the automatic network distribution of the terminal equipment is realized.
Drawings
FIG. 1 is a schematic diagram of a hardware operating environment according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a first embodiment of a device distribution method of a photovoltaic system according to the present invention;
fig. 3 is a schematic flow chart of a second embodiment of the equipment distribution method of the photovoltaic system according to the present invention;
fig. 4 is a schematic flow chart of a third embodiment of a device distribution method of a photovoltaic system according to the present invention;
fig. 5 is a schematic flow chart of a fourth embodiment of a device distribution method of a photovoltaic system according to the present invention;
FIG. 6 is a schematic diagram of one data transmission for inverter scheduling;
fig. 7 is a schematic diagram of another data transmission for inverter scheduling.
Detailed Description
For a better understanding of the above technical solutions, exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
As shown in fig. 1, fig. 1 is a schematic structural diagram of a hardware operating environment according to an embodiment of the present invention.
It should be noted that fig. 1 is a schematic structural diagram of a hardware operating environment of a wireless access device or a terminal device.
As an implementation manner, as shown in fig. 1, an embodiment of the present invention relates to a wireless access device, where the wireless access device includes: a first processor 1001, e.g. a CPU, a first memory 1002, a communication bus 1003. The communication bus 1003 is used to implement connection communication among these components.
The first memory 1002 may be a high-speed RAX memory or a non-volatile memory (non-volatile memory), such as a disk memory. As shown in fig. 1, a first memory 1002 as a storage medium may include a device distribution network program; and the first processor 1001 may be configured to call the device distribution network program stored in the first memory 1002, and perform the following operations:
acquiring a first service set identifier, and generating a first connection password according to a preset algorithm and the first service set identifier;
broadcasting a first service set identification of the wireless access device;
when a connection request sent by a terminal device is received, acquiring a second service set identifier and a second connection password in the connection request, wherein the second connection password is generated by the terminal device according to the scanned second service set identifier and the preset algorithm;
and when the second service set identification is matched with the first service set identification and the second connection password is matched with the first connection password, establishing wireless network connection with the terminal equipment.
Further, the first processor 1001 may be configured to call the device distribution network program stored in the first memory 1002, and perform the following operations:
acquiring equipment identification information of the wireless access equipment;
and generating the first service set identifier according to the equipment identification information.
As another implementation manner, as shown in fig. 1, a terminal device according to an embodiment of the present invention includes an inverter and an electric energy meter, that is, the terminal device may be the inverter or the electric energy meter, and the terminal device includes: a second processor 1001, e.g. a CPU, a second memory 1002, a communication bus 1003. The communication bus 1003 is used to implement connection communication among these components.
The second memory 1002 may be a high-speed RAX memory or a non-volatile memory (non-volatile memory), such as a disk memory. As shown in fig. 1, the second memory 1002, which is a storage medium, may include a device distribution network program therein; and the second processor 1001 may be configured to call the device distribution network program stored in the second memory 1002 and perform the following operations:
scanning wireless signals broadcast by wireless access equipment;
generating a second connection password according to a second service set identifier in the wireless signal and a preset algorithm;
and sending a connection request comprising the second service set identifier and the second connection password to the wireless access equipment, so that the wireless access equipment establishes wireless network connection with the terminal equipment when verifying that the second service set identifier in the connection request is matched with the first service set identifier of the wireless access equipment and the second connection password is matched with the first connection password, wherein the first connection password is generated by the first service set identifier and the preset algorithm.
Further, the second processor 1001 may be configured to call the device distribution network program stored in the second memory 1002, and perform the following operations:
when the scanned wireless signal is single, acquiring the second service set identifier in the wireless signal;
and obtaining the second connection password according to the second service set identifier and the preset algorithm.
Further, the second processor 1001 may be configured to call the device distribution network program stored in the second memory 1002, and perform the following operations:
when the number of the scanned wireless signals is multiple, acquiring the wireless signals with the strongest signal intensity;
obtaining the second connection password according to the second service set identifier in the wireless signal with the strongest signal and the preset algorithm;
the step of sending a connection request including the second service set identification and the second connection password to the wireless access device comprises:
and sending a connection request comprising the second service set identifier and the second connection password to the wireless access equipment corresponding to the wireless signal with the strongest signal strength.
Further, the second processor 1001 may be configured to call the device distribution network program stored in the second memory 1002, and perform the following operations:
acquiring address information of the terminal equipment connected with the wireless access equipment;
and establishing communication connection with a target device in the connected terminal device according to the address information.
The embodiments of the present invention provide an embodiment of a device distribution network method for a photovoltaic system, and it should be noted that although a logic sequence is shown in a flowchart, in some cases, the steps shown or described may be performed in a different sequence from that here.
As shown in fig. 2, in a first embodiment of the present application, an apparatus network distribution method of a photovoltaic system of the present application is applied to a wireless access apparatus, and includes the following steps:
step S210: and acquiring a first service set identifier, and generating a first connection password according to a preset algorithm and the first service set identifier.
In this embodiment, a router is preset, the router is connected to an external network, then the wireless access device is connected to the router through a network cable, and the wireless access device acquires an IP address of the router from the router through a DHCP protocol, so as to establish network connection with the router. Then, the wireless access device obtains its own device identification information, and generates a first service set identification, that is, an SSID of the wireless access device, according to the device identification information, where the device identification information includes a serial number of the wireless access device.
After the first service set identifier is obtained, the wireless access device obtains a pre-stored preset algorithm, then the first service set identifier is used as an input parameter of the preset algorithm to be input into the preset algorithm, the preset algorithm calculates a first connection password according to the first service set identifier, and the first connection password is used for verifying a second connection password in a connection request sent by a terminal device to be accessed into the wireless access device.
Step S220: broadcasting a first service set identification of the wireless access device.
In this embodiment, after the first service set identifier is obtained, the wireless access device starts and broadcasts its wireless signal, which may be understood as an AP hotspot whose name is the first service set identifier.
Step S230: and when a connection request sent by the terminal equipment is received, acquiring a second service set identifier and a second connection password in the connection request.
In this embodiment, the wireless access device broadcasts a wireless signal, so that the terminal device can scan the wireless signal broadcasted by itself. When the terminal device scans a wireless signal broadcasted by the wireless access device, the terminal device obtains the name of the wireless signal, namely a first service set identifier of the wireless access device, then the first service set identifier is used as an input parameter to be input into a preset algorithm stored by the terminal device, and the preset algorithm calculates a second connection password according to the first service set identifier. Then, the terminal device generates a connection request according to the first service set identifier and the second connection password, and sends the connection request comprising the second service set identifier and the second connection password to the wireless access device to request to establish wireless network connection with the wireless access device; and when the wireless access equipment receives the connection request sent by the terminal equipment, acquiring a second service set identifier and a second connection password in the connection request. The preset algorithm stored by the terminal device is the same as the preset algorithm stored by the wireless access device, and when the input parameters input into the preset algorithm are the same, the connection password calculated by the preset algorithm is also the same. For example, the preset algorithm stored in the wireless access device is algorithm a, the preset algorithm stored in the terminal device is algorithm B, algorithm a is the same as algorithm B, the first service set identifier of the wireless access device is service set identifier X, the wireless access device inputs the service set identifier X into algorithm a, the first connection password calculated by algorithm a is connection password K, and if the second service set identifier acquired by the terminal device from the scanned wireless signal is also service set identifier X, that is, the terminal device inputs the service set identifier X into algorithm B, and the second connection password calculated by algorithm B is also connection password K.
Step S240: and when the second service set identification is matched with the first service set identification and the second connection password is matched with the first connection password, establishing wireless network connection with the terminal equipment.
In this embodiment, after the wireless access device obtains the second service set identifier and the second connection password in the connection request, the first service set identifier is used to verify the second service set identifier, and the first connection password is used to verify the second connection password, if the first service set identifier is the same as the second service set identifier and the first connection password is the same as the second connection password, both the second service set identifier and the second connection password are verified to pass, the wireless access device establishes a wireless network connection with the terminal device, and the terminal device can perform network communication with the wireless access device, so that a process that a user manually inputs a password for connecting the wireless access device at the terminal device end when the terminal device performs network distribution is omitted.
According to the technical scheme, the step of manually configuring the service set identifier and the password when the terminal equipment accesses the network is omitted, and the automatic network distribution of the terminal equipment is realized.
As shown in fig. 3, in a second embodiment of the present application, an apparatus network distribution method for a photovoltaic system, which is applied to a terminal apparatus, includes the following steps:
step S310: wireless signals broadcast by wireless access devices are scanned.
In this embodiment, after the wireless access device generates the first service set identifier according to the device identifier information of the wireless access device, the wireless access device broadcasts a wireless signal with the first service set identifier as a name, and the terminal device scans the wireless signal broadcast by the wireless access device.
Step S320: and generating a second connection password according to a second service set identifier in the wireless signal and a preset algorithm.
In this embodiment, after scanning a wireless signal broadcast by the wireless access device, the terminal device obtains a second service set identifier in the wireless signal, and then inputs the first service set identifier as an input parameter into a preset algorithm stored in the terminal device, where the preset algorithm calculates a second connection password according to the first service set identifier.
Step S330: and sending a connection request comprising the second service set identification and the second connection password to the wireless access equipment, so that the wireless access equipment establishes wireless network connection with the terminal equipment when verifying that the second service set identification in the connection request is matched with the first service set identification of the wireless access equipment and the second connection password is matched with the first connection password.
In this embodiment, the terminal device generates a connection request according to the first service set identifier and the second connection password, sends the connection request to the wireless access device, and requests to establish a wireless network connection with the wireless access device. And when the wireless access equipment receives the connection request sent by the terminal equipment, acquiring a second service set identifier and a second connection password in the connection request. The wireless access equipment receives the connection request, acquires a second service set identifier and a second connection password in the connection request, verifies the second service set identifier by adopting the generated first service set identifier, and verifies the second connection password by adopting the calculated first connection password, if the first service set identifier is the same as the second service set identifier and the first connection password is the same as the second connection password, the second service set identifier and the second connection password are verified to pass, the wireless access equipment establishes wireless network connection with the terminal equipment, the terminal equipment can perform network communication with the wireless access equipment, and automatic network distribution of the terminal equipment is realized. The first service set identifier is generated by device identifier information of the wireless access device, the device identifier information is a serial number of the wireless access device, and the first connection password is generated by the first service set identifier of the wireless access device and a stored preset algorithm, the first service set identifier is input into the preset algorithm, and the first connection password is obtained through calculation.
As shown in fig. 4, in the third embodiment of the present application, based on the second embodiment, the step S320 includes the following steps:
step S321: the number of scanned wireless signals is acquired.
Step S322: and when the scanned wireless signal is single, acquiring the second service set identification in the wireless signal.
Step S323: and obtaining the second connection password according to the second service set identifier and the preset algorithm.
Step S324: and when the number of the scanned wireless signals is multiple, acquiring the wireless signal with the strongest signal strength.
Step S325: and obtaining the second connection password according to the second service set identifier in the wireless signal with the strongest signal and the preset algorithm.
In this embodiment, in practical application, there may be only one or multiple wireless access devices broadcasting wireless signals in different scenes. When the terminal device scans the wireless signals, the number of the scanned wireless signals is counted, and then the wireless access device corresponding to which wireless signal is requested to be connected is selected according to the number of the scanned wireless signals.
And when the scanned wireless signal is single, namely only one wireless access device broadcasts the wireless signal currently, acquiring a second service set identifier from the wireless signal, inputting the second service set identifier into a stored preset algorithm, and calculating to obtain a second connection password.
When a plurality of scanned wireless signals exist, namely a plurality of wireless access devices broadcast the wireless signals currently, the signal strength of each wireless signal is further obtained, then the wireless signal with the strongest signal is selected as a target wireless signal, a second service set identifier is obtained from the target wireless signal, then the second service set identifier of the target wireless signal is input into a stored preset algorithm, and a second connection password is obtained through calculation.
In addition, a dial switch can be added at the terminal equipment end in advance, the wireless access equipment to which the terminal equipment is connected is defined through the dial switch, for example, when there are a plurality of scanned wireless signals, the wireless access devices corresponding to the plurality of wireless signals are wireless access device 1, wireless access device 2 and wireless access device 3, wherein, the wireless access device 2 to which the terminal device is connected is defined in advance by the dial switch, if the wireless signals broadcast by wireless access device 1, wireless access device 2, and wireless access device 3 are scanned, only the wireless signal broadcast by wireless access device 2 is selected, and the second service set identifier is obtained from the wireless signal broadcast by wireless access device 2, and then inputting the acquired second service set identifier into a stored preset algorithm, and calculating to obtain a second connection password.
Further, in step S330, the step of sending a connection request including the second service set identifier and the second connection password to the wireless access device includes: and sending a connection request comprising the second service set identifier and the second connection password to the wireless access equipment corresponding to the wireless signal with the strongest signal strength.
Supposing that the number of wireless signals currently scanned by the terminal device is 3, the wireless access devices broadcasting the wireless signals are respectively X, Y and Z, wherein the service set identifier of X is X, the service set identifier of Y is Y, and the service set identifier of Z is Z, wherein the signal strength of the wireless signals broadcasted by Y is strongest, that is, the service set identifier obtained by the terminal device from the wireless signals with the strongest signal strength is Y, then Y is input into a preset algorithm, a second connection password is calculated, then a connection request is generated according to Y and the second connection password, the connection request is sent to Y, and after Y in the Y verification connection request and the second connection password pass, wireless network connection with the terminal device is established.
As shown in fig. 5, in a fourth embodiment of the present application, the method for device distribution of a photovoltaic system further includes the following steps:
step S410: and acquiring the address information of the terminal equipment connected with the wireless access equipment.
Step S420: and establishing communication connection with a target device in the connected terminal device according to the address information.
In this embodiment, in practical applications, there may be more than one terminal device that establishes a network connection with the same wireless access device, and when the same wireless access device has established a network connection with multiple terminal devices, if a terminal device that is not currently connected to the wireless access device needs to communicate with at least one terminal device that is already connected to the wireless access device, after the terminal device that is not currently connected to the wireless access device establishes a network connection with the wireless access device, address information (e.g., an IP address) of a target terminal device that needs to communicate with the terminal device may be acquired from the wireless access device, and then a communication connection is established with the target terminal device according to the acquired address information of the target terminal device.
For example, the wireless access device 1 has connected 3 terminal devices, respectively, the terminal device 1, the terminal device 2, and the terminal device 3, and the terminal device 4 is a device that does not establish a network connection with the wireless access device 1 according to the methods of the above embodiments. The target terminal device to be communicated by the terminal device 4 comprises the terminal device 1 and the terminal device 2, namely the terminal device 4 needs to be communicated with the terminal device 1 and the terminal device 2, after the terminal device 4 establishes network connection with the wireless access device 1, the terminal device 4 respectively acquires the IP address 1 of the terminal device 1 and the IP address 2 of the terminal device 2 from the wireless access device 1, then establishes communication connection with the terminal device 1 according to the P address 1, and establishes communication connection with the terminal device 2 according to the IP address 2. After the terminal device 4 establishes communication connection with the terminal device 1 and the terminal device 2, the terminal device 4 and the terminal device 1 can perform data interaction, and the terminal device 4 and the terminal device 2 can perform data interaction, so that automatic connection among a plurality of terminal devices is realized, and the step of manually configuring the communication connection among the plurality of terminal devices is omitted.
The application also provides a photovoltaic system, which comprises wireless access equipment, terminal equipment and a remote monitoring server; the terminal equipment comprises an inverter and at least one electric energy meter, and wireless network modules, such as WIFI modules, are arranged in the inverter and the electric energy meter. The inverter and the electric energy meter can be connected with the wireless access device through a wireless network module.
The inverter is electrically connected with a power grid, the electric energy meter is electrically connected with the inverter, and the load is connected with the electric energy meter. The remote monitoring server is in wireless communication connection with the inverter through the wireless access device and is used for acquiring inverter data acquired by the inverter and electric energy data of the electric energy meter, generating a scheduling value according to the inverter data and the electric energy data and sending the scheduling value to the inverter so as to schedule the inverter data. The inverter data comprise active power and/or reactive power of the inverter, and the electric energy data comprise active power and/or reactive power of the electric energy meter.
Specifically, the wireless access device is in wired connection with the router, and the inverter is in wireless communication connection with the wireless access device. When monitoring of inverter data of the inverter and electric energy data of the electric energy meter is realized, in one embodiment, the electric energy meter and the inverter can be directly in wireless communication connection; in another embodiment, the electric energy meter is in wireless communication connection with the wireless access device, so that wireless communication connection between the electric energy meter and the inverter is realized.
Specifically, after the inverter and the electric energy meter are connected with the wireless access device in a wireless network, if the inverter needs to be connected with the electric energy meter in a wireless communication mode, electric energy data of the electric energy meter are obtained, namely the inverter obtains an IP address of the electric energy meter from the wireless access device, and then the inverter establishes the wireless communication connection with the electric energy meter according to the obtained IP address.
As shown in fig. 6, in an embodiment of implementing inverter data and power data monitoring, the terminal device includes an inverter, a power meter 1 and a power meter 2. The inverter, the electric energy meter 1 and the electric energy meter 2 are all in wireless network connection with the wireless access equipment, and the inverter is also in wireless communication connection with the electric energy meter 1 and the electric energy meter 2 directly. Electric energy meter 1 connects the load, and the dc-to-ac converter passes through electric energy meter 2 and connects the electric wire netting, and the dc-to-ac converter still communicates with the cell-phone, and the user can monitor the inverter data of dc-to-ac converter and the electric energy data of electric energy meter through the APP of installing on the cell-phone. The link 1 represents a data transmission path between the inverter and the electric energy meter 2, the link 2 represents a data transmission path between the inverter and the electric energy meter 1, and the link 3 represents a data transmission path between the inverter and the wireless access device.
The inverter acquires the electric energy data of the electric energy meter 2 in real time through the link 1, acquires the electric energy data of the electric energy meter 1 in real time through the link 2, the remote monitoring server acquires the inverter data generated by the inverter, the electric energy data of the electric energy meter 1 acquired by the inverter and the electric energy data of the electric energy meter 2 in real time through the link 3, generates a modulation value according to the acquired inverter data and the electric energy data, sends the modulation value to the inverter through the link 3, and carries out inverter data scheduling according to the modulation value received by the link 3, so that the remote scheduling of the inverter is realized. When the link 3 is interrupted, the inverter acquires a locally stored scheduling value, and performs inverter data scheduling according to the stored scheduling value.
As shown in fig. 7, in another embodiment for implementing monitoring of inverter data and electric energy data, the terminal device also includes an inverter, an electric energy meter 1 and an electric energy meter 2, and the inverter, the electric energy meter 1 and the electric energy meter 2 all establish wireless network connection with the wireless access device. Electric energy meter 1 connects the load, and the dc-to-ac converter passes through electric energy meter 2 and connects the electric wire netting, and the dc-to-ac converter still communicates with the cell-phone, and the user can monitor the inverter data of dc-to-ac converter and the electric energy data of electric energy meter through the APP of installing on the cell-phone. The link 1 represents a data transmission path between the wireless access device and the electric energy meter 2, the link 2 represents a data transmission path between the wireless access device and the electric energy meter 1, and the link 3 represents a data transmission path between the inverter and the wireless access device.
The inverter acquires the electric energy data of the electric energy meter 2 in real time through the link 1 and the link 3, acquires the electric energy data of the electric energy meter 1 in real time through the link 2 and the link 3, the remote monitoring server acquires the inverter data of the inverter, the electric energy data of the electric energy meter 1 acquired by the inverter and the electric energy data of the electric energy meter 2 in real time through the link 3, generates a modulation value according to the acquired inverter data and electric energy data, sends the modulation value to the inverter through the link 3, and the inverter schedules the inverter data according to the modulation value received by the link 3, so that the remote scheduling of the inverter is realized. When the link 3 is interrupted, the inverter acquires a locally stored scheduling value, and performs inverter data scheduling according to the stored scheduling value.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (15)
1. The equipment network distribution method of the photovoltaic system is applied to wireless access equipment and comprises the following steps:
acquiring a first service set identifier, and generating a first connection password according to a preset algorithm and the first service set identifier;
broadcasting a first service set identification of the wireless access device;
when a connection request sent by a terminal device is received, acquiring a second service set identifier and a second connection password in the connection request, wherein the second connection password is generated by the terminal device according to the scanned second service set identifier and the preset algorithm;
and when the second service set identification is matched with the first service set identification and the second connection password is matched with the first connection password, establishing wireless network connection with the terminal equipment.
2. The device network distribution method of claim 1, wherein the wireless access device is in wired connection with a router.
3. The device network distribution method of claim 1, wherein the step of obtaining the first service set identification comprises:
acquiring equipment identification information of the wireless access equipment;
and generating the first service set identifier according to the equipment identification information.
4. A device distribution network method of a photovoltaic system is characterized in that a terminal device is applied, and the device distribution network method comprises the following steps:
scanning wireless signals broadcast by wireless access equipment;
generating a second connection password according to a second service set identifier in the wireless signal and a preset algorithm;
and sending a connection request comprising the second service set identifier and the second connection password to the wireless access equipment, so that the wireless access equipment establishes wireless network connection with the terminal equipment when verifying that the second service set identifier in the connection request is matched with the first service set identifier of the wireless access equipment and the second connection password is matched with the first connection password, wherein the first connection password is generated by the first service set identifier and the preset algorithm.
5. The method of claim 4, wherein the step of generating a second connection password from a second service set identification in the wireless signal and a preset algorithm comprises:
when the scanned wireless signal is single, acquiring the second service set identifier in the wireless signal;
and obtaining the second connection password according to the second service set identifier and the preset algorithm.
6. The method of claim 5, wherein the step of generating a second connection password based on a second service set identifier in the wireless signal and a predetermined algorithm further comprises:
when the number of the scanned wireless signals is multiple, acquiring the wireless signals with the strongest signal intensity;
obtaining the second connection password according to the second service set identifier in the wireless signal with the strongest signal and the preset algorithm;
the step of sending a connection request including the second service set identification and the second connection password to the wireless access device comprises:
and sending a connection request comprising the second service set identifier and the second connection password to the wireless access equipment corresponding to the wireless signal with the strongest signal strength.
7. The method of claim 4, wherein the equipment network distribution method of the photovoltaic system further comprises:
acquiring address information of the terminal equipment connected with the wireless access equipment;
and establishing communication connection with a target device in the connected terminal device according to the address information.
8. A wireless access device, comprising: a first memory, a first processor, and a device distribution network program stored on the first memory and executable on the first processor, the device distribution network program when executed by the first processor implementing the steps of the device distribution network method of any of claims 1-3.
9. A terminal device, comprising: a second memory, a second processor, and a device distribution network program stored on the second memory and executable on the second processor, the device distribution network program when executed by the second processor implementing the steps of the device distribution network method of any of claims 4-7.
10. A photovoltaic system, characterized in that the photovoltaic system comprises the wireless access device of claim 8, the terminal device of claim 9 and a remote monitoring server;
the terminal device includes:
the inverter is electrically connected with a power grid;
the electric energy meter is electrically connected with the inverter;
the remote monitoring server is in wireless communication connection with the inverter through the wireless access equipment and is used for acquiring inverter data acquired by the inverter and electric energy data of the electric energy meter, generating a modulation value according to the inverter data and the electric energy data, and sending the modulation value to the inverter so as to schedule the inverter data.
11. The photovoltaic system of claim 10, wherein the wireless access device is wired to a router, and the inverter and the electric energy meter are both wirelessly networked to the wireless access device.
12. The photovoltaic system of claim 11, wherein the electric energy meter is in wireless communication with the inverter.
13. The photovoltaic system of claim 11, wherein the electric energy meter is in wireless communication with the wireless access device.
14. The photovoltaic system of claim 11, wherein when the inverter is disconnected from the wireless access device from the wireless network connection, the inverter obtains a stored preset scheduling value and performs the inverter data scheduling according to the preset scheduling value.
15. A storage medium having stored thereon a device distribution network program which, when executed by a processor, performs the steps of the device distribution network method of any of claims 1-7.
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