Distributed photovoltaic data acquisition method and device

Abstract

The embodiment of the invention discloses a distributed photovoltaic data acquisition method and device, and relates to the technical field of photovoltaic data acquisition. The distributed photovoltaic data acquisition method is executed by a main control module in the distributed photovoltaic data acquisition device, and the distributed photovoltaic data acquisition device comprises a wired transmission communication module, an ad hoc network wireless communication module, a cloud communication module and the main control module. Each distributed photovoltaic data acquisition device is connected with corresponding photovoltaic equipment; the method comprises the following steps: acquiring a pre-configured first working mode and a pre-configured second working mode of the distributed photovoltaic data acquisition device; determining a sending object according to the first working mode and the second working mode; and sending the photovoltaic data to the sending object through the target communication module. According to the technical scheme, by setting different working modes of different distributed photovoltaic data acquisition devices, the sending object and the communication module adaptive to the device are determined, and the scene adaptability is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of photovoltaic data collection, and in particular to a distributed photovoltaic data collection method and device. Background Art

[0002] When collecting photovoltaic data, given the large number of photovoltaic devices and their complex distribution, how to collect photovoltaic data with high adaptability is a technical problem that needs to be solved urgently. Summary of the invention

[0003] The present invention provides a distributed photovoltaic data collection method and device, which can collect photovoltaic data with high adaptability in different scenarios.

[0004] According to one aspect of the present invention, a distributed photovoltaic data collection method is provided, the method is executed by a main control module in a distributed photovoltaic data collection device, the distributed photovoltaic data collection device comprises: a wired transmission communication module, an ad hoc network wireless communication module, a cloud communication module and a main control module; each distributed photovoltaic data collection device is connected to a corresponding photovoltaic device;

[0005] The method includes: obtaining a pre-configured first working mode and a second working mode of the distributed photovoltaic data acquisition device; the first working mode reflects whether the distributed photovoltaic data acquisition device communicates with a cloud server; the second working mode reflects whether the distributed photovoltaic data acquisition device communicates with distributed photovoltaic data acquisition devices of other groups;

[0006] Determine the sending object according to the first working mode and the second working mode; wherein the sending object is the sending object of all photovoltaic data received by the distributed photovoltaic data collection device; the photovoltaic data received by the distributed photovoltaic data collection device includes photovoltaic data of the photovoltaic equipment connected to the distributed photovoltaic data collection device;

[0007] The photovoltaic data is sent to the sending object through a target communication module; the target communication module is a wired transmission communication module, a self-organizing network wireless communication module or a cloud communication module.

[0008] According to another aspect of the present invention, a distributed photovoltaic data acquisition device is provided, comprising:

[0009] The distributed photovoltaic data acquisition device includes: a wired transmission communication module, an ad hoc network wireless communication module, a cloud communication module and a main control module; each distributed photovoltaic data acquisition device is connected to a corresponding photovoltaic device;

[0010] The main control module is used to execute the distributed photovoltaic data collection method described in any embodiment of the present invention.

[0011] The technical solution of the embodiment of the present application is that the distributed photovoltaic data collection method is executed by the main control module in the distributed photovoltaic data collection device, and the distributed photovoltaic data collection device includes: a wired transmission communication module, a self-organizing network wireless communication module, a cloud communication module and a main control module; each distributed photovoltaic data collection device is connected to a corresponding photovoltaic device; the method includes: obtaining the first working mode and the second working mode of the pre-configured distributed photovoltaic data collection device; the first working mode reflects whether the distributed photovoltaic data collection device communicates with the cloud server; the second working mode reflects whether the distributed photovoltaic data collection device communicates with other groups of distributed photovoltaic data collection devices; the sending object is determined according to the first working mode and the second working mode; wherein the sending object is the sending object of all photovoltaic data received by the distributed photovoltaic data collection device; the photovoltaic data received by the distributed photovoltaic data collection device includes the photovoltaic data of the photovoltaic device connected to the distributed photovoltaic data collection device; the photovoltaic data is sent to the sending object through the target communication module; the target communication module is a wired transmission communication module, a self-organizing network wireless communication module or a cloud communication module. The technical solution determines the sending object and the communication module adapted to the device by setting different working modes of different distributed photovoltaic data collection devices, thereby improving the scene adaptability.

[0012] It should be understood that the contents described in this section are not intended to identify the key or important features of the embodiments of the present invention, nor are they intended to limit the scope of the present invention. Other features of the present invention will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0014] Figure 1 is a flow chart of a distributed photovoltaic data collection method provided according to Embodiment 1 of the present application;

[0015] Figure 2 is a flow chart of a distributed photovoltaic data collection method provided according to Embodiment 2 of the present application;

[0016] Figure 3 is a flow chart of another distributed photovoltaic data collection method provided according to the second embodiment of the present application;

[0017] Figure 4is a flow chart of another distributed photovoltaic data collection method provided according to the second embodiment of the present application;

[0018] Figure 5 is a flow chart of another distributed photovoltaic data collection method provided according to the second embodiment of the present application;

[0019] Figure 6 It is a structural schematic diagram of a distributed photovoltaic data acquisition device provided according to the third embodiment of the present application;

[0020] Figure 7 This is a specific example diagram of a distributed photovoltaic data acquisition device provided according to Embodiment 3 of the present application;

[0021] Figure 8 This is a schematic diagram of a communication method provided according to Example 3 of the present application. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only embodiments of a part of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0023] It should be noted that the terms "first", "second", "target", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0024] Embodiment 1

[0025] Figure 1A flowchart of a distributed photovoltaic data collection method is provided for the first embodiment of the present application. The embodiment of the present application is applicable to the case of collecting photovoltaic data. The method is executed by a main control module in a distributed photovoltaic data collection device. The distributed photovoltaic data collection device includes: a wired transmission communication module, an ad hoc network wireless communication module, a cloud communication module and a main control module; each distributed photovoltaic data collection device is connected to a corresponding photovoltaic device; the main control module is an electronic device with data processing capabilities. Figure 1 As shown, the method includes:

[0026] S110, obtaining a pre-configured first working mode and a second working mode of the distributed photovoltaic data acquisition device.

[0027] In an embodiment of the present application, each distributed photovoltaic data collection device may correspond to a photovoltaic station, in which photovoltaic equipment is arranged. The distributed photovoltaic data collection device is used to upload the photovoltaic data of the photovoltaic equipment to the cloud through the domain master station. The domain master station is a distributed photovoltaic data collection device that adopts a certain working mode.

[0028] In the embodiment of the present application, the distributed photovoltaic data collection device has two working modes, namely, the first working mode and the second working mode, which constitute four combinations. The first working mode and the second working mode can be pre-set in the distributed photovoltaic data collection device. The first working mode reflects whether the distributed photovoltaic data collection device communicates with the cloud server; the second working mode reflects whether the distributed photovoltaic data collection device communicates with other groups of distributed photovoltaic data collection devices.

[0029] Specifically, each distributed photovoltaic data collection device may be arranged at a different position, and some distributed photovoltaic data collection devices may be densely distributed, while some distributed photovoltaic data collection devices may be sparsely distributed. For the distributed photovoltaic data collection devices located at each position, their hardware structures may be the same, but their working modes may be different, so that the devices within the group (the second working mode of the devices within the group reflects the distributed photovoltaic data collection devices that do not communicate with the distributed photovoltaic data collection devices of other groups) can send the collected photovoltaic data to the group master station, and then the group master station can send the collected photovoltaic data to the domain master station, and the first working mode of the domain master station reflects the need to communicate with the cloud server.

[0030] This scheme sets different working modes for distributed photovoltaic data acquisition devices at different locations. Densely distributed distributed photovoltaic data acquisition devices can be set as a group. Their second working mode reflects not communicating with distributed photovoltaic data acquisition devices in other groups. Distributed photovoltaic data acquisition devices at a long distance can be set as different groups or even different domains. When photovoltaic data is subsequently collected, distributed photovoltaic data acquisition devices at a closer distance (located in the same group or the same domain) can use wired communication or ad hoc wireless communication, and then the photovoltaic data of the entire domain can be subsequently uploaded to the cloud through a cloud communication module (such as a 4G communication module) of a domain master station.

[0031] This technical solution sets up a distributed photovoltaic data acquisition device in each domain to send the collected photovoltaic data to the cloud through the domain master station, so as to carry out unified collection and management of photovoltaic data collection and avoid waste of resources.

[0032] Specifically, after the distributed photovoltaic data acquisition device is activated, it can automatically trigger the steps of reading the pre-configured first working mode and the second working mode.

[0033] S120: Determine a sending object according to the first working mode and the second working mode.

[0034] Among them, the sending object is the sending object of all photovoltaic data received by this distributed photovoltaic data collection device; the photovoltaic data received by this distributed photovoltaic data collection device includes the photovoltaic data of the photovoltaic equipment connected to this distributed photovoltaic data collection device.

[0035] Specifically, each distributed photovoltaic data collection device can receive the photovoltaic data of the connected photovoltaic equipment. For a certain distributed photovoltaic data collection device, it may only receive the photovoltaic data of the photovoltaic equipment to which it is connected, or it may receive the photovoltaic data of the photovoltaic equipment to which it is connected and the photovoltaic data sent by other distributed photovoltaic data collection devices. For all the received photovoltaic data, it is necessary to determine the sending object so that the photovoltaic data at each location can be aggregated to the cloud.

[0036] Exemplarily, when determining the sending object, if the device is determined to be an intra-group device according to the first working mode and the second working mode, the sending object is determined to be the group master station, and then the specific group master station information is determined according to the pre-configured intra-domain node link table.

[0037] S130, sending photovoltaic data to the sending object through a target communication module; the target communication module is a wired transmission communication module, an ad hoc network wireless communication module or a cloud communication module.

[0038] Specifically, if the sending object is a cloud server, the target communication module is determined to be a cloud communication module, and the photovoltaic data is sent to the cloud server through the cloud communication module. If the sending object is a domain master station, the target communication module is determined to be a wired transmission communication module or an ad hoc wireless communication module, and the photovoltaic data is sent to the cloud server through the wired transmission communication module or the ad hoc wireless communication module.

[0039] The technical solution of the embodiment of the present application is that the distributed photovoltaic data collection method is executed by the main control module in the distributed photovoltaic data collection device, and the distributed photovoltaic data collection device includes: a wired transmission communication module, a self-organizing network wireless communication module, a cloud communication module and a main control module; each distributed photovoltaic data collection device is connected to a corresponding photovoltaic device; the method includes: obtaining the first working mode and the second working mode of the pre-configured distributed photovoltaic data collection device; the first working mode reflects whether the distributed photovoltaic data collection device communicates with the cloud server; the second working mode reflects whether the distributed photovoltaic data collection device communicates with other groups of distributed photovoltaic data collection devices; the sending object is determined according to the first working mode and the second working mode; wherein the sending object is the sending object of all photovoltaic data received by the distributed photovoltaic data collection device; the photovoltaic data received by the distributed photovoltaic data collection device includes the photovoltaic data of the photovoltaic device connected to the distributed photovoltaic data collection device; the photovoltaic data is sent to the sending object through the target communication module; the target communication module is a wired transmission communication module, a self-organizing network wireless communication module or a cloud communication module. The technical solution determines the sending object and the communication module adapted to the device by setting different working modes of different distributed photovoltaic data collection devices, thereby improving the scene adaptability.

[0040] Embodiment 2

[0041] Figure 2A flow chart of a distributed photovoltaic data acquisition method provided in the second embodiment of the present application, the embodiment of the present application is optimized based on the above embodiment. The method is executed by the main control module in the distributed photovoltaic data acquisition device, and the distributed photovoltaic data acquisition device includes: a wired transmission communication module, a self-organizing network wireless communication module, a cloud communication module and a main control module; each distributed photovoltaic data acquisition device is connected to a corresponding photovoltaic device. Exemplarily, the wired transmission communication module can be an RS485 interface and a message conversion unit; the message conversion unit can be a max3485 module; the self-organizing network wireless communication module can be a lora mesh (long-distance radio mesh network) module, and the cloud communication module can be a 4GHz wireless module; the max3485 module is used to convert the message data transmitted by the RS485 interface into a ttl (Time To Live, survival time) message feedback to the control module (RS485 interface is a communication interface); the lora mesh module is used to interact messages through lora mesh. The 4GHz wireless module is used to communicate through a 4G wireless network.

[0042] In the embodiment of the present application, the sending object is optionally a group master station, a domain master station or a cloud server. The group master station and the domain master station are both distributed photovoltaic data acquisition devices configured with a certain working mode, the group master station is used to receive photovoltaic data collected by each device in the group; the domain master station is used to receive photovoltaic data of each group sent by each group master station in the domain; the cloud server is used to receive photovoltaic data collected by each device in the domain sent by the domain master station.

[0043] like Figure 2 As shown, the method of the embodiment of the present application specifically includes the following steps:

[0044] S210, obtaining a pre-configured first working mode and a second working mode of the distributed photovoltaic data acquisition device.

[0045] S220: If the first working mode is the domain master mode and the second working mode is the group boundary mode, it is determined that the sending object is a cloud server.

[0046] Among them, the domain master mode reflects that the photovoltaic data in the domain is sent to the cloud server through this distributed photovoltaic data collection device; the non-domain master mode reflects that the photovoltaic data in the domain is not sent to the cloud server through this distributed photovoltaic data collection device. The group boundary mode reflects that the photovoltaic data in the group is sent to this distributed photovoltaic data collection device; the non-group boundary mode reflects that the photovoltaic data received by this distributed photovoltaic data collection device needs to be sent to the group master.

[0047] It should be noted that in the embodiments of the present application, each distributed photovoltaic data acquisition device plays a different role according to different working modes. In a domain, at least one group is set up, and each group is provided with at least one device within the group. The device within the group sends the photovoltaic data of the photovoltaic equipment connected to the device to the group master station. The group master station sends the photovoltaic data within the group (including the photovoltaic data of the photovoltaic equipment connected to the group master station itself) to the domain master station. The domain master station sends the photovoltaic data within the domain (including the photovoltaic data of the photovoltaic equipment connected to the domain master station itself) to the cloud server.

[0048] S230, receiving photovoltaic data sent by other devices in the group and photovoltaic data sent by the master station of each group.

[0049] Specifically, if the first working mode is the domain master mode and the second working mode is the group boundary mode, the distributed photovoltaic data acquisition device is determined to be the domain master and the group master. Therefore, after receiving the photovoltaic data sent by other devices in the group and the photovoltaic data sent by each group master, the photovoltaic data in the domain is uploaded.

[0050] In an embodiment of the present application, optionally, before receiving photovoltaic data sent by other devices in the group and photovoltaic data sent by each group master station, the method also includes: sending an intra-domain node link table to the group master station, so that the group master station forwards the intra-domain node link table to the devices in each group, so that each device in the domain determines the group master station information and the domain master station information according to the intra-domain node link table.

[0051] This scheme is configured so that each device (i.e., distributed photovoltaic data acquisition device) can obtain specific information of the sending object, thereby ensuring the accuracy of photovoltaic data transmission.

[0052] S240: Determine that the target communication module is a cloud communication module.

[0053] S250, sending photovoltaic data to the cloud server through the cloud communication module.

[0054] Specifically, since it is necessary to communicate with the cloud server, the target communication module is determined to be the cloud communication module, and the photovoltaic data is sent to the cloud server through the cloud communication module.

[0055] Figure 3 A flow chart of another distributed photovoltaic data collection method provided in the second embodiment of the present application is as follows: Figure 3 As shown, including:

[0056] S310, obtaining a pre-configured first working mode and a second working mode of the distributed photovoltaic data acquisition device.

[0057] S320: If the first working mode is the domain master mode and the second working mode is the non-group boundary mode, it is determined that the sending object is a cloud server.

[0058] Specifically, if the first working mode is the domain master mode and the second working mode is the non-group boundary mode, it is determined that the distributed photovoltaic data acquisition device is a domain master and not a group master, and the sending object can be determined to be a cloud server.

[0059] S330, receiving photovoltaic data sent by each group of master stations.

[0060] Specifically, since this distributed photovoltaic data acquisition device is a domain master station and not a group master station, the photovoltaic data of the photovoltaic equipment connected to this distributed photovoltaic data acquisition device can be sent to the group master station of this group, and then receive all the photovoltaic data in the group sent by the group master station; on the other hand, no processing is done for the time being, and after receiving the photovoltaic data of other devices in the group sent by the group master station of this group, the photovoltaic data of the photovoltaic equipment connected to this distributed photovoltaic data acquisition device can be integrated into the photovoltaic data of this group.

[0061] S340: Determine that the target communication module is a cloud communication module.

[0062] S350, sending photovoltaic data to the cloud server through the cloud communication module.

[0063] Figure 4 A flow chart of another distributed photovoltaic data collection method provided in the second embodiment of the present application is as follows: Figure 4 As shown, including:

[0064] S410, obtaining a pre-configured first working mode and a second working mode of the distributed photovoltaic data acquisition device.

[0065] S420: If the first working mode is a non-domain master mode and the second working mode is a non-group boundary mode, determine that the sending object is a group master.

[0066] Specifically, if the first working mode is a non-domain master station mode and the second working mode is a non-group boundary mode, it is determined that this distributed photovoltaic data acquisition device is an intra-group device, and the photovoltaic data of the photovoltaic equipment connected to this distributed photovoltaic data acquisition device needs to be sent to the group master station.

[0067] S430, determining the target communication module as a wired transmission communication module or an ad hoc network wireless communication module according to a pre-configured intra-group data transmission mode.

[0068] In an embodiment of the present application, optionally, the wired transmission communication module includes 4 RS485 interfaces, each RS485 interface is connected to a max3485 module; the ad hoc network wireless communication module may be a lora mesh module.

[0069] Specifically, if the pre-configured intra-group data transmission mode is wired transmission, the target communication module is determined to be a wired transmission communication module. If the pre-configured intra-group data transmission mode is wireless transmission, the target communication module is determined to be an ad hoc wireless communication module, and each group has only one intra-group data transmission mode. This scheme is set up in this way, so that when performing intra-group communication, only one communication mode is involved, which greatly reduces the complexity of communication and improves the stability of communication.

[0070] S440, sending photovoltaic data to the group master station through the target communication module.

[0071] Specifically, if the target communication module is determined to be a wired transmission communication module, the photovoltaic data is sent to the group master station through the RS485 interface. If the target communication module is determined to be an ad hoc wireless communication module, the photovoltaic data is sent to the group master station through the ad hoc wireless communication module (LoRa Mesh module).

[0072] Figure 5 A flow chart of another distributed photovoltaic data collection method provided in the second embodiment of the present application is as follows: Figure 5 As shown, including:

[0073] S510, obtaining a pre-configured first working mode and a second working mode of the distributed photovoltaic data acquisition device.

[0074] S520: If the first working mode is a non-domain master mode and the second working mode is a group boundary mode, determine that the sending object is a domain master.

[0075] Specifically, if the first working mode is a non-domain master mode and the second working mode is a group boundary mode, the distributed photovoltaic data acquisition device is determined to be a group master, and needs to receive photovoltaic data sent by each device in the group and send it to the domain master.

[0076] S530, receiving photovoltaic data sent by each device in the group.

[0077] S540: Determine, according to a pre-configured intra-domain transmission mode, whether the target communication module is a wired transmission communication module or an ad hoc network wireless communication module.

[0078] Specifically, if the pre-configured intra-group data transmission mode is wired transmission, the target communication module is determined to be a wired transmission communication module. If the pre-configured intra-group data transmission mode is wireless transmission, the target communication module is determined to be an ad hoc network wireless communication module.

[0079] Exemplarily, if the group master station is close to the domain master station, the intra-domain transmission mode may be wired transmission; otherwise, the intra-domain transmission mode may be wireless transmission.

[0080] S550, sending photovoltaic data to the domain master station through the target communication module.

[0081] In the embodiment of the present application, four working modes are set for each distributed photovoltaic data collection device, so that each distributed photovoltaic data collection device determines the sending object of the photovoltaic data according to the working mode, and uploads the photovoltaic data at the group and domain levels to the cloud, thereby achieving the effect of improving scene adaptability while uniformly uploading photovoltaic data, so that for each additional photovoltaic data collection point, the same distributed photovoltaic data collection device (the configured working mode may be different) can be used to collect and upload photovoltaic data. Using the same distributed photovoltaic data collection device also has the effect of reducing costs compared to using different photovoltaic data collection devices.

[0082] Exemplarily, there are four RS485 interfaces, namely: 485 channel #1, 485 channel #2, 485 channel #3 and 485 channel #4. 485 channel #1 and 485 channel #2 are connected to two cloud platforms respectively, 485 channel #3 is used for intra-group data transmission, and 485 channel #4 is used for inter-group data transmission. When the distributed photovoltaic data acquisition device is used as a domain master station and group boundary mode, the distributed photovoltaic data acquisition device will read the configuration after startup, and then the distributed photovoltaic data acquisition device will detect whether there is a cloud request on 485 channel #1. If there is a request, it will check 485 channel #2 until it is no longer transmitting data, and then forward the request message to the slave station (each distributed photovoltaic data acquisition device in the domain). After the slave station replies, the distributed photovoltaic data acquisition device will directly forward the slave station reply message to 485 channel #1. This setting can avoid communication conflicts for the distributed photovoltaic data acquisition device when dual platforms are connected.

[0083] Embodiment 3

[0084] Figure 6 This is a schematic diagram of the structure of a distributed photovoltaic data collection device provided in the third embodiment of the present application. The device can execute the distributed photovoltaic data collection method provided in any embodiment of the present invention, and has the corresponding functional modules and beneficial effects of the execution method. Figure 6 As shown, the device comprises:

[0085] Wired transmission communication module 610, ad hoc network wireless communication module 620, cloud communication module 630 and main control module 640; each distributed photovoltaic data acquisition device is connected to a corresponding photovoltaic device;

[0086] The main control module 640 is used to execute the distributed photovoltaic data collection method provided by any embodiment of the present invention.

[0087] In the embodiment of the present application, optionally, the wired transmission communication module 610 includes: an RS485 interface and a message conversion unit; the RS485 interface and the message conversion unit are connected one by one; the message conversion unit is connected to the main control module; the message conversion unit is used to convert the RS485 message into a target format message. Exemplarily, the message conversion unit is a max3485 module.

[0088] Exemplary, reference Figure 7 , Figure 7 This is a specific example diagram of a distributed photovoltaic data acquisition device. There are four RS485 interfaces, namely: 485 channel #1, 485 channel #2, 485 channel #3 and 485 channel #4. 485 channel #1 and 485 channel #2 are used to access two cloud platforms respectively, 485 channel #3 is used for intra-group data transmission, and 485 channel #4 is used for inter-group data transmission. Each RS485 interface is connected to the max3485 module, and the max3485 module is connected to the MCU in the control module. Figure 7 In the system, the lora mesh module is the wireless communication module for the ad hoc network. The 4G wireless module is the cloud communication module. The MCU, debug serial port, transceiver indicator light, RTC, SD card storage module and display interaction module together constitute the control module.

[0089] refer to Figure 8 The data communication mode within the group in the embodiment of the present application is the same, that is, the group either communicates through the RS485 interface or through the lora mesh module. The data communication within the group is the communication between the devices within the group and the group master station.

[0090] This scheme is configured in such a way that only one communication mode is involved when communicating within the group, which greatly reduces the complexity of communication and improves the stability of communication.

[0091] A distributed photovoltaic data collection device provided in an embodiment of the present application can execute a distributed photovoltaic data collection method provided in any embodiment of the present invention, and has functional modules and beneficial effects corresponding to the execution method.

[0092] It should be understood that the various forms of processes shown above can be used to reorder, add or delete steps. For example, the steps described in the present invention can be executed in parallel, sequentially or in different orders, as long as the desired results of the technical solution of the present invention can be achieved, and this document does not limit this.

[0093] The above specific implementations do not constitute a limitation on the protection scope of the present invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent substitution and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A distributed photovoltaic data collection method, characterized in that: The method is executed by a main control module in a distributed photovoltaic data acquisition device, which includes: a wired transmission communication module, an ad hoc network wireless communication module, a cloud communication module and a main control module; each distributed photovoltaic data acquisition device is connected to a corresponding photovoltaic device; The method includes: obtaining a pre-configured first working mode and a second working mode of the distributed photovoltaic data acquisition device; the first working mode reflects whether the distributed photovoltaic data acquisition device communicates with a cloud server; the second working mode reflects whether the distributed photovoltaic data acquisition device communicates with distributed photovoltaic data acquisition devices of other groups; Determine the sending object according to the first working mode and the second working mode; wherein the sending object is the sending object of all photovoltaic data received by the distributed photovoltaic data collection device; the photovoltaic data received by the distributed photovoltaic data collection device includes photovoltaic data of the photovoltaic equipment connected to the distributed photovoltaic data collection device; The photovoltaic data is sent to the sending object through a target communication module; the target communication module is a wired transmission communication module, a self-organizing network wireless communication module or a cloud communication module.

2. The device according to claim 1, characterized in that The sending object is a group master station, a domain master station or a cloud server; the cloud server is used to receive photovoltaic data collected by each device in the domain sent by the domain master station; the domain master station is used to receive photovoltaic data of each group sent by each group master station in the domain; the group master station is used to receive photovoltaic data collected by each device in the group.

3. The method according to claim 2, characterized in that The determining the sending object according to the first working mode and the second working mode includes: If the first working mode is the domain master mode and the second working mode is the group boundary mode, determining that the sending object is a cloud server; The method further comprises: receiving photovoltaic data sent by other devices in the group and photovoltaic data sent by the master station of each group; Determine that the target communication module is a cloud communication module; Accordingly, sending photovoltaic data to the sending object through the target communication module includes: The photovoltaic data is sent to the cloud server through the cloud communication module.

4. The device according to claim 2, characterized in that The determining the sending object according to the first working mode and the second working mode includes: If the first working mode is the domain master mode and the second working mode is the non-group boundary mode, determining that the sending object is a cloud server; The method further comprises: receiving photovoltaic data sent by each group of master stations; Determine that the target communication module is a cloud communication module; Accordingly, sending photovoltaic data to the sending object through the target communication module includes: The photovoltaic data is sent to the cloud server through the cloud communication module.

5. The method according to claim 2, characterized in that: The determining the sending object according to the first working mode and the second working mode includes: If the first working mode is a non-domain master mode and the second working mode is a non-group boundary mode, determining that the sending object is a group master; The method further comprises: Determine the target communication module as a wired transmission communication module or a self-organizing network wireless communication module according to a pre-configured intra-group data transmission mode; Accordingly, sending photovoltaic data to the sending object through the target communication module includes: The photovoltaic data is sent to the group master station through the target communication module.

6. The method according to claim 2, characterized in that The determining the sending object according to the first working mode and the second working mode includes: If the first working mode is a non-domain master mode and the second working mode is a group boundary mode, determining that the sending object is a domain master; The method further comprises: Receive photovoltaic data sent by each device in this group; Determine the target communication module as a wired transmission communication module or an ad hoc network wireless communication module according to a pre-configured intra-domain transmission mode; Accordingly, sending photovoltaic data to the sending object through the target communication module includes: The photovoltaic data is sent to the domain master station through the target communication module.

7. The method according to claim 3, characterized in that Before receiving the photovoltaic data sent by other devices in the group and the photovoltaic data sent by the master station of each group, the method further includes: The intra-domain node link table is sent to the group master station so that the group master station forwards the intra-domain node link table to the devices in each group, so that each device in the domain determines the group master station information and the domain master station information according to the intra-domain node link table.

8. A distributed photovoltaic data acquisition device, characterized in that: The distributed photovoltaic data acquisition device includes: a wired transmission communication module, an ad hoc network wireless communication module, a cloud communication module and a main control module; each distributed photovoltaic data acquisition device is connected to a corresponding photovoltaic device; The main control module is used to execute the distributed photovoltaic data collection method according to any one of claims 1 to 7.

9. The device according to claim 8, characterized in that The wired transmission communication module includes: an RS485 interface and a message conversion unit; the RS485 interface and the message conversion unit are connected one by one; the message conversion unit is connected to the main control module; The message conversion unit is used to convert the RS485 message into a target format message.

10. The device according to claim 8, characterized in that The ad hoc network wireless communication module is a lora mesh module.

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