CN111404800A - Hybrid networking communication system and method - Google Patents
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- H—ELECTRICITY
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- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention provides a mixed networking communication system and a method thereof, wherein the system comprises: each communication network comprises a centralized communicator and a plurality of communication subnets, and each communication subnetwork comprises a master tracking controller and a plurality of slave tracking controllers; the slave tracking controller comprises a node slave tracking controller and a relay slave tracking controller; the main tracking controller is in wireless communication connection with the centralized communicator; the master tracking controller, the relay slave tracking controller and the node slave tracking controller in each communication sub-network are sequentially connected in series in a wired connection manner; collecting photoelectric data of the photoelectric power generation equipment connected with the tracking controller from the tracking controller; the master tracking controller collects photoelectric data of the photoelectric power generation equipment connected with the master tracking controller, and acquires the photoelectric data from the slave tracking controller; the centralized communicator acquires the collected or received photoelectric data from the main tracking controller connected with the centralized communicator in a wireless communication mode. The invention reduces the buried wire distance and greatly reduces the networking communication cost.
Description
Technical Field
The present invention relates to the field of data communication technologies, and in particular, to a hybrid networking communication system and method.
Background
The photovoltaic power station is a power generation system which is formed by using solar energy and electronic elements made of special materials such as a crystalline silicon plate, an inverter and the like, and is connected with a power grid and transmits power to the power grid.
A tracking system is required to participate in monitoring management in a photovoltaic power station, one of the important points of current tracking system research is communication, the tracking system comprises a plurality of tracking controllers, and each tracking controller needs to be provided with a wired communication interface or a wireless communication module. In the former, each tracking controller needs to dig a groove and bury a wire when communicating in a wired mode, and the communication box or the inverter is collected and received, and the construction cost is high due to digging and burying the wire. In the latter, each tracking controller communicates in a wireless mode, an antenna needs to be equipped, and networking communication cost is high. 485 and CAN wired communication or lora and zigbee wireless communication is generally adopted for communication of the tracking system, the former needs to dig grooves and bury lines, construction cost is high, and networking communication cost of the latter is high.
Therefore, how to reduce the communication cost and reduce the buried distance to reduce the overall monitoring cost is an urgent problem to be solved.
Disclosure of Invention
The invention aims to provide a hybrid networking communication system and method, which can reduce communication cost and reduce the distance of buried wires so as to reduce the overall monitoring cost.
The technical scheme provided by the invention is as follows:
the invention provides a hybrid networking communication system, comprising: each communication network comprises a centralized communicator and a plurality of communication subnets, and each communication subnetwork comprises a master tracking controller and a plurality of slave tracking controllers; the slave tracking controller comprises a node slave tracking controller and a relay slave tracking controller;
the master tracking controller is in wireless communication connection with the centralized communicator;
the master tracking controller, the relay slave tracking controller and the node slave tracking controller in each communication sub-network are sequentially connected in series in a wired connection manner;
the slave tracking controller is used for acquiring photoelectric data of the photoelectric power generation equipment connected with the slave tracking controller;
the master tracking controller is used for acquiring photoelectric data of the photoelectric power generation equipment connected with the master tracking controller and acquiring the photoelectric data from the slave tracking controller through a wired cable;
the centralized communicator is used for acquiring the photoelectric data collected or received by the centralized communicator from a main tracking controller connected with the centralized communicator.
Further, the master tracking controller includes: the device comprises a first wireless communication module, an acquisition module, a first processing module and at least one pair of 485 communication interfaces;
the slave tracking controller includes: the device comprises an acquisition module and at least one pair of 485 communication interfaces;
the centralized communicator includes: a second wireless communication module and a second processing module; the first wireless communication module and the second wireless communication module adopt a short-range wireless communication protocol;
485 communication interfaces of a master tracking controller, a relay slave tracking controller and a node slave tracking controller in each communication sub-network are respectively connected in series through 485 cables;
the second wireless communication module of the centralized communicator in each communication network is respectively connected with the first wireless communication modules in all communication subnets under each communication network;
the acquisition module is used for acquiring photoelectric data of the photoelectric power generation equipment connected with the acquisition module;
the second wireless communication module is used for forwarding the acquired data acquisition request to the corresponding first wireless communication module;
the second processing module is used for acquiring the data acquisition request from the second wireless communication module, analyzing the data acquisition request to obtain a primary address identifier, and searching a corresponding main tracking controller according to the primary address identifier;
the first processing module is used for acquiring the data acquisition request from the first wireless communication module, analyzing the data acquisition request to obtain a secondary address identifier, and searching a corresponding slave tracking controller according to the secondary address identifier;
the slave tracking controller sends the photoelectric data acquired from the acquisition module to a master tracking controller of a corresponding communication subnet through the 485 cable, and a first wireless communication module of the master tracking controller sends the photoelectric data to a corresponding centralized communicator.
Further, the slave tracking controller is used for periodically sending the photoelectric data to the corresponding master tracking controller through a 485 cable at a 485 communication interface of the slave tracking controller;
and the main tracking controller is used for periodically sending the received photoelectric data and the photoelectric data acquired by the main tracking controller to the corresponding centralized communicator through the first wireless communication module.
Further, the method also comprises the following steps: and the background monitoring equipment is in wireless communication connection with the plurality of centralized communicators, is used for generating and sending the data acquisition request to the corresponding centralized communicators according to the acquired monitoring requirements, and is also used for receiving the photoelectric data sent by the centralized communicators.
Further, the centralized communicator further comprises: a third wireless communication module;
the background monitoring device comprises: the system comprises an acquisition module, a fourth wireless communication module and a third processing module; the third wireless communication module and the fourth wireless communication module adopt a long-distance wireless communication protocol;
the acquisition module is used for acquiring the monitoring requirement input by the user;
the third processing module is used for analyzing according to the monitoring requirement to obtain identification information of a tracking controller to be monitored, searching an identity address of a centralized communicator in the communication network to which the tracking controller belongs according to the identification information, and generating the data acquisition request according to the identification information and the identity address; the tracking controller to be monitored comprises the slave tracking controller and/or the master tracking controller;
the fourth wireless communication module is configured to send the data acquisition request to the third wireless communication module corresponding to the identity address, and receive the photoelectric data sent by the third wireless communication module;
the second processing module is configured to obtain the data obtaining request from the third wireless communication module, and control the second communication module to forward the data obtaining request to the corresponding first wireless communication module.
Furthermore, the master tracking controller in the current communication sub-network is respectively connected with the plurality of relay slave tracking controllers in series through wired communication cables, and each relay slave tracking controller in the current communication sub-network is respectively connected with the plurality of node slave tracking controllers in series through wired communication cables; or the like, or, alternatively,
the master tracking controller in the current communication sub-network is respectively connected with the plurality of relay slave tracking controllers in series through wired communication cables, each relay slave tracking controller in the current communication sub-network is respectively connected with the plurality of node slave tracking controllers in series through wired communication cables, and each relay slave tracking controller in the current communication sub-network is connected with the master tracking controller in the next communication sub-network in series through wired communication cables.
The invention also provides a mixed networking communication method, which is applied to the mixed networking communication system and comprises the following steps:
the slave tracking controller and the master tracking controller respectively acquire photoelectric data of the photoelectric power generation equipment connected with the slave tracking controller and the master tracking controller;
the master tracking controller acquires the photoelectric data from the slave tracking controller through a wired cable at a wired communication interface of the master tracking controller;
the centralized communicator acquires the collected or received photoelectric data from the main tracking controller connected with the centralized communicator in a wireless communication mode.
Further, the method also comprises the following steps:
if the master tracking controller in the current communication subnet fails, the centralized communicator acquires the photoelectric data from the substitute master tracking controller;
wherein the substitute master tracking controller is a master tracking controller in a next current communication subnet connected in series with the relay slave tracking controller in the current communication subnet by a wired communication cable.
Further, the step of acquiring the collected or received photoelectric data of the centralized communicator from the main tracking controller connected with the centralized communicator in a wireless communication mode by the centralized communicator comprises the following steps:
the method comprises the steps that background monitoring equipment acquires monitoring requirements, generates data acquisition requests according to the monitoring requirements, and sends the data acquisition requests to corresponding centralized communicators through a long-distance wireless network;
the centralized communicator obtains a primary address identifier through analysis according to the data acquisition request, searches a corresponding main tracking controller according to the primary address identifier, and forwards the acquired data acquisition request to the corresponding main tracking controller;
the master tracking controller obtains a secondary address identifier by analyzing according to the data acquisition request, and searches a corresponding slave tracking controller according to the secondary address identifier;
the slave tracking controller transmits the photoelectric data to a corresponding master tracking controller through a wired cable at a wired communication interface of the slave tracking controller;
the main tracking controller sends the collected or received photoelectric data to the corresponding centralized communicator through the short-distance wireless network, so that the centralized communicator sends the photoelectric data to the background monitoring equipment through the long-distance wireless network.
Further, the step of acquiring the collected or received photoelectric data of the centralized communicator from the main tracking controller connected with the centralized communicator in a wireless communication mode further comprises the following steps:
the slave tracking controller periodically sends the photoelectric data to a corresponding master tracking controller through a wired cable at a wired communication interface of the slave tracking controller;
the master tracking controller periodically transmits the received photoelectric data and the photoelectric data acquired by the master tracking controller to the corresponding centralized communicator through the short-distance wireless network, so that the centralized communicator transmits the photoelectric data to the background monitoring equipment through the long-distance wireless network.
The hybrid networking communication system and the hybrid networking communication method provided by the invention can reduce the communication cost and reduce the buried wire distance so as to reduce the overall networking monitoring cost.
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The above features, technical features, advantages and implementations of a hybrid networking communication system and method will be further described in the following detailed description of preferred embodiments in a clearly understandable manner, in conjunction with the accompanying drawings.
Fig. 1 is a schematic structural diagram of an embodiment of a hybrid networking communication system of the present invention;
fig. 2 is a schematic structural diagram of another embodiment of a hybrid networking communication system of the present invention;
fig. 3 is a schematic structural diagram of another embodiment of a hybrid networking communication system of the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.
For the sake of simplicity, the drawings only schematically show the parts relevant to the present invention, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
One embodiment of the present invention, as shown in fig. 1, is a hybrid networking communication system, comprising:
each communication network comprises a centralized communicator and a plurality of communication subnets, and each communication subnetwork comprises a master tracking controller and a plurality of slave tracking controllers; the slave tracking controller comprises a node slave tracking controller and a relay slave tracking controller;
the main tracking controller is in wireless communication connection with the centralized communicator;
the master tracking controller, the relay slave tracking controller and the node slave tracking controller in each communication sub-network are sequentially connected in series in a wired connection manner;
the slave tracking controller is used for acquiring photoelectric data of the photoelectric power generation equipment connected with the slave tracking controller;
the master tracking controller is used for acquiring photoelectric data of the photoelectric power generation equipment connected with the master tracking controller and acquiring the photoelectric data from the slave tracking controller through a wired cable;
and the centralized communicator is used for acquiring the photoelectric data collected or received by the centralized communicator from a main tracking controller connected with the centralized communicator.
Specifically, a plurality of communication networks form a hybrid networking communication system, and a tracking controller in a communication subnet comprises three identities, namely a master tracking controller, a node slave tracking controller and a relay slave tracking controller.
The master tracking controller is a tracking controller which collects photoelectric data, acquires the collected photoelectric data from the relay slave tracking controller and the node slave tracking controller through wired cables, and transmits the collected and received photoelectric data to the centralized communicator in a wireless communication mode. The relay slave tracking controller is adjacent to the master tracking controller and is respectively connected with the master tracking controller and the node slave tracking controller in a wired communication mode, photoelectric data acquired by the relay slave tracking controller are transmitted to the master tracking controller through a wired cable, and the relay slave tracking controller is used as a relay transmission to transmit the photoelectric data acquired by the node slave tracking controller to the master tracking controller through the wired cable. The node slave tracking controller is adjacent to the relay slave tracking controller, is connected with the relay slave tracking controller in a wired communication mode, and transmits the collected photoelectric data to the relay slave tracking controller through a wired cable connected with the relay slave tracking controller. Namely, the connection sequence of the tracking controllers in the communication sub-network is the master tracking controller → the relay slave tracking controller → the node slave tracking controller, and the connection mode between the tracking controllers is through a wired cable.
In this embodiment, from tracking controller through the photoelectric data transmission of wired cable with gathering to main tracking controller, send for concentrated communicator through wireless communication mode by main tracking controller again, this kind of mixed networking communication mode can be prior art relatively, reduce the manpower and materials of buried line construction, the buried line distance of the wired cable that significantly reduces, and the share reduces the hardware cost of being equipped with wireless communication module at every tracking controller, thereby greatly reduced whole communication cost.
Based on the foregoing embodiment, as shown in fig. 3, the master tracking controller includes: the device comprises a first wireless communication module, an acquisition module, a first processing module and at least one pair of 485 communication interfaces;
the slave tracking controller includes: the device comprises an acquisition module and at least one pair of 485 communication interfaces;
the centralized communicator includes: a second wireless communication module and a second processing module; the first wireless communication module and the second wireless communication module adopt a short-distance wireless communication protocol;
485 communication interfaces of a master tracking controller, a relay slave tracking controller and a node slave tracking controller in each communication sub-network are respectively connected in series through 485 cables;
the second wireless communication module of the centralized communicator in each communication network is respectively connected with the first wireless communication modules in all communication subnets under each communication network;
the acquisition module is used for acquiring photoelectric data of the photoelectric power generation equipment connected with the acquisition module;
the second wireless communication module is used for forwarding the acquired data acquisition request to the corresponding first wireless communication module;
specifically, the master tracking controller and the slave tracking controller respectively comprise at least one pair of 485 communication interfaces, the 485 communication interfaces of the master tracking controller are respectively connected with the 485 communication interfaces of the relay slave tracking controller through 485 cables, and the 485 communication interfaces of the relay slave tracking controller are respectively connected with the node slave tracking controller through 485 cables.
The main tracking controller comprises a first wireless communication module, the centralized communicator comprises a second wireless communication module, the first wireless communication module and the second wireless communication module respectively adopt a near field communication protocol for communication interaction, and general near field communication protocols include but are not limited to a lora communication protocol and a ZigBee communication protocol. Illustratively, the first wireless communication module is a first lora module (or a first ZigBee module), and the second wireless communication module is a second lora module (or a second ZigBee module).
The second processing module is used for acquiring a data acquisition request from the second wireless communication module, analyzing the data acquisition request to obtain a primary address identifier, and searching a corresponding main tracking controller according to the primary address identifier;
the first processing module is used for acquiring a data acquisition request from the first wireless communication module, analyzing the data acquisition request to obtain a secondary address identifier, and searching a corresponding slave tracking controller according to the secondary address identifier;
the slave tracking controller transmits the photoelectric data acquired from the acquisition module to the master tracking controller of the corresponding communication subnet through a 485 cable, and the first wireless communication module of the master tracking controller transmits the photoelectric data to the corresponding centralized communicator.
Specifically, the centralized communicator acquires a data acquisition request, analyzes the data acquisition request to obtain a primary address identifier and then searches for a corresponding master tracking controller, then forwards the data acquisition request to the master tracking controller corresponding to the primary address identifier through the second wireless communication module, the master tracking controller analyzes the data acquisition request to obtain a secondary address identifier and then searches for a corresponding slave tracking controller, then acquires the collected photoelectric data from the corresponding slave tracking controller through the 485 cable, and the master tracking controller sends the photoelectric data to the centralized communicator connected with the master tracking controller through the first wireless communication module.
In this embodiment, from tracking controller through the photoelectric data transmission of wired cable with gathering to main tracking controller, send for concentrated communicator through wireless communication mode by main tracking controller again, this kind of mixed networking communication mode can be prior art relatively, reduce the manpower and materials of buried line construction, the buried line distance of the wired cable that significantly reduces, and the share reduces the hardware cost of being equipped with wireless communication module at every tracking controller, thereby greatly reduced whole communication cost. In addition, the centralized communicator searches a corresponding master tracking controller according to the data acquisition request, then the master tracking controller searches a corresponding slave tracking controller according to the data acquisition request, and acquires needed photoelectric data (including photoelectric data acquired by the slave tracking controller and/or the master tracking controller) from the master tracking controller in an active acquisition mode in a specified manner, so that the occupation of wireless communication bandwidth caused by reporting and uploading data to the centralized communicator by the master tracking controller in real time can be avoided, the congestion of a short-distance wireless communication network is reduced, and the data reporting efficiency is improved.
Preferably, the slave tracking controller is used for periodically sending photoelectric data to the corresponding master tracking controller through a 485 cable at the 485 communication interface of the slave tracking controller;
and the main tracking controller is used for periodically sending the received photoelectric data and the photoelectric data acquired by the main tracking controller to the corresponding centralized communicator through the first wireless communication module.
Specifically, the slave tracking controller transmits the collected photoelectric data to the corresponding master tracking controller periodically through a 485 cable at a 485 communication interface of the slave tracking controller according to a first preset time interval, and the master tracking controller transmits the received photoelectric data and the photoelectric data acquired by the slave tracking controller periodically to the corresponding centralized communicator through the first wireless communication module according to a second preset time interval. Wherein the second preset time interval is greater than the first preset time interval.
In this embodiment, follow the tracking controller and periodically transmit the photoelectric data who gathers to main tracking controller through wired cable, send for concentrated communicator by main tracking controller periodicity through wireless communication mode again, this kind of mixed network deployment communication mode can be prior art relatively, reduce the manpower and materials of the construction of buried line, the buried line distance of the wired cable that significantly reduces, and the sharing reduces the hardware cost of being equipped with wireless communication module at every tracking controller, thereby greatly reduced whole communication cost. In addition, the master tracking controller periodically and actively transmits the photoelectric data to the centralized controller at the upper stage, so that the centralized controller passively acquires the required photoelectric data (including the photoelectric data acquired by the slave tracking controller and/or the master tracking controller) from the master tracking controller, and the real-time performance of data transmission is improved.
Further comprising: the background monitoring equipment is in wireless communication connection with the plurality of centralized communicators, is used for generating and sending a data acquisition request to the corresponding centralized communicators according to the acquired monitoring requirements, and is also used for receiving the photoelectric data sent by the centralized communicators.
The centralized communicator further comprises: a third wireless communication module;
the background monitoring device comprises: the system comprises an acquisition module, a fourth wireless communication module and a third processing module; the third wireless communication module and the fourth wireless communication module adopt a long-distance wireless communication protocol;
the acquisition module is used for acquiring monitoring requirements input by a user;
the third processing module is used for analyzing according to the monitoring requirement to obtain the identification information of the tracking controller to be monitored, searching the identity address of the centralized communicator in the communication network to which the tracking controller belongs according to the identification information, and generating a data acquisition request according to the identification information and the identity address; the tracking controller to be monitored comprises a slave tracking controller and/or a master tracking controller;
the fourth wireless communication module is used for sending a data acquisition request to the third wireless communication module corresponding to the identity address and receiving the photoelectric data sent by the third wireless communication module;
and the second processing module is used for acquiring the data acquisition request from the third wireless communication module and controlling the second communication module to forward the data acquisition request to the corresponding first wireless communication module.
Specifically, the centralized communicator includes a third wireless communication module, the back-end monitoring device includes a fourth wireless communication module, the third wireless communication module and the fourth wireless communication module respectively perform communication interaction by using a long-distance communication protocol, and the general long-distance communication protocol includes but is not limited to a GPRS communication protocol and an optical fiber communication protocol.
Because the communication network is arranged in different areas according to requirements, in order to detect that a tracking controller or a centralized communicator in a part of or all areas is in fault or damaged and in order to obtain photoelectric data of the part of or all areas in a targeted manner, a user can input own monitoring requirements at the back-head monitoring equipment, and the input mode can be voice input, keyboard input and the like. After the back head monitoring equipment acquires the monitoring requirement, the back head monitoring equipment analyzes and obtains identification information corresponding to the tracking controller to be monitored according to the monitoring requirement, so that the identity address of a centralized communicator in the affiliated communication network is searched, a data acquisition request is generated according to the identification information and the identity address, and then the back head monitoring equipment sends the data acquisition request to the corresponding centralized communicator through a remote communication protocol by adopting a fourth wireless communication module. After the centralized communicator refers to the above embodiment and actively acquires the needed photoelectric data from the main tracking controller according to the data acquisition request, the photoelectric data is sent to the background monitoring device through the third wireless communication module. Of course, the centralized communicator may also passively acquire the reported photoelectric data from the master tracking controller, and then transmit the photoelectric data to the background monitoring device through the third wireless communication module.
In this embodiment, from tracking controller through the photoelectric data transmission of wired cable with gathering to main tracking controller, send for concentrated communicator through wireless communication mode by main tracking controller again, this kind of mixed networking communication mode can be prior art relatively, reduce the manpower and materials of buried line construction, the buried line distance of the wired cable that significantly reduces, and the share reduces the hardware cost of being equipped with wireless communication module at every tracking controller, thereby greatly reduced whole communication cost. In addition, backstage supervisory equipment acquires photoelectric data with the interaction of centralized communication ware for backstage supervisory equipment accomplishes the acquirement of photoelectric data, thereby each communication network of being convenient for carries out intelligent monitoring to photoelectric data's collection, and photovoltaic power plant of being convenient for can directly manage each communication network according to backstage supervisory equipment real time monitoring.
Preferably, as shown in fig. 1, the master tracking controller in the current communication subnet is respectively connected in series with the plurality of relay slave tracking controllers through wired communication cables, and each relay slave tracking controller in the current communication subnet is respectively connected in series with the plurality of node slave tracking controllers through wired communication cables.
Specifically, a plurality of relay slave tracking controllers in the current communication subnet are connected with the master tracking controller in the current communication subnet, a part of the node slave tracking controllers in the current communication subnet (for example, 20% of the number of the node slave tracking controllers in the current communication subnet) are connected with any one of the relay slave tracking controllers in the current communication subnet, other nodes in the current communication subnet are connected with the next relay slave tracking controller in the current communication subnet (another part of all the node slave tracking controllers except for a part of the node slave tracking controllers, for example, 30% of the number of the node slave tracking controllers in the current communication subnet), the remaining nodes in the current communication subnet are connected with the next relay slave tracking controllers in the current communication subnet, the remaining nodes in the current communication subnet are connected with the slave tracking controllers (the part of all the node slave tracking controllers except for a part of the node slave tracking controllers and other nodes slave tracking controllers, e.g. 50% of the number of node slave tracking controllers in the current communication subnet) is connected to a further next relay slave tracking controller in the respective current communication subnet. Through the hybrid networking connection mode, the complexity of hybrid networking can be reduced, and the networking building difficulty is reduced.
Preferably, as shown in fig. 2, the master tracking controller in the current communication subnet is respectively connected in series with the plurality of relay slave tracking controllers through wired communication cables, each relay slave tracking controller in the current communication subnet is respectively connected in series with the plurality of node slave tracking controllers through wired communication cables, and each relay slave tracking controller in the current communication subnet is connected in series with the master tracking controller in the next communication subnet through wired communication cables.
Specifically, a number of relay slave tracking controllers in the current communication subnet are connected with the master tracking controller in the current communication subnet and the master tracking controller in the next communication subnet, a part of the slave tracking controllers (for example, 20% of the number of the slave tracking controllers in the current communication subnet) in the current communication subnet are connected with any one of the relay slave tracking controllers in the respective current communication subnet, the other nodes in the current communication subnet are connected with the next relay slave tracking controller in the respective current communication subnet (another part of all the nodes except for the part of the slave tracking controllers, for example, 30% of the number of the slave tracking controllers in the current communication subnet), the remaining nodes in the current communication subnet are connected with the slave tracking controllers (the part of all the nodes except for the part of the slave tracking controllers and the other nodes), e.g. 50% of the number of node slave tracking controllers in the current communication subnet) is connected to a further next relay slave tracking controller in the respective current communication subnet. Through the mixed networking connection mode, when the master tracking controller in the current communication subnet breaks down or is damaged, the centralized communicator can conveniently acquire photoelectric data from the substitute master tracking controller, and the substitute master tracking controller is the master tracking controller in the next current communication subnet which is connected with the relay slave tracking controller in the current communication subnet in series through the wired communication cable. Through the mixed networking connection mode, when the master tracking controller of each communication subnet breaks down or is damaged, photoelectric data can be obtained from the substitute master tracking controller in time, the probability of data transmission interruption is reduced, and the reliability and timeliness of data transmission are greatly improved.
For example, as shown in fig. 2, when the master tracking controller N1 in the current communication subnet is not failed or damaged, the centralized communicator P1 can obtain the photoelectric data collected by the node slave tracking controller Mj11 transferred from the tracking controller Mz11 from the master tracking controller N1, and when the master tracking controller N1 in the current communication subnet is failed or damaged, since the relay slave tracking controller Mz11 in the current communication subnet is connected to the master tracking controller N2 in the next communication subnet by 485 cable, the centralized communicator P1 can obtain the photoelectric data collected by the node slave tracking controller Mj11 transferred from the master tracking controller Mz11 in the next communication subnet from the master tracking controller N2.
In an embodiment of the present invention, a hybrid networking communication method includes the steps of:
s100, respectively acquiring photoelectric data of the photoelectric power generation equipment connected with the slave tracking controller and the master tracking controller;
s200, the master tracking controller acquires photoelectric data from the slave tracking controller through a wired cable at a wired communication interface of the master tracking controller;
s300, the centralized communicator acquires the collected or received photoelectric data from the main tracking controller connected with the centralized communicator in a wireless communication mode.
Specifically, a plurality of communication networks form a hybrid networking communication system, and a tracking controller in a communication subnet comprises three identities, namely a master tracking controller, a node slave tracking controller and a relay slave tracking controller.
The master tracking controller is a tracking controller which collects photoelectric data, acquires the collected photoelectric data from the relay slave tracking controller and the node slave tracking controller through wired cables, and transmits the collected and received photoelectric data to the centralized communicator in a wireless communication mode. The relay slave tracking controller is adjacent to the master tracking controller and is respectively connected with the master tracking controller and the node slave tracking controller in a wired communication mode, photoelectric data acquired by the relay slave tracking controller are transmitted to the master tracking controller through a wired cable, and the relay slave tracking controller is used as a relay transmission to transmit the photoelectric data acquired by the node slave tracking controller to the master tracking controller through the wired cable. The node slave tracking controller is adjacent to the relay slave tracking controller, is connected with the relay slave tracking controller in a wired communication mode, and transmits the collected photoelectric data to the relay slave tracking controller through a wired cable connected with the relay slave tracking controller. Namely, the connection sequence of the tracking controllers in the communication sub-network is the master tracking controller → the relay slave tracking controller → the node slave tracking controller, and the connection mode between the tracking controllers is through a wired cable.
In this embodiment, from tracking controller through the photoelectric data transmission of wired cable with gathering to main tracking controller, send for concentrated communicator through wireless communication mode by main tracking controller again, this kind of mixed networking communication mode can be prior art relatively, reduce the manpower and materials of buried line construction, the buried line distance of the wired cable that significantly reduces, and the share reduces the hardware cost of being equipped with wireless communication module at every tracking controller, thereby greatly reduced whole communication cost.
Preferably, if the master tracking controller in the current communication subnet fails, the centralized communicator acquires photoelectric data from the substitute master tracking controller;
wherein the substitute master tracking controller is a master tracking controller in a next current communication subnet connected in series with the relay slave tracking controller in the current communication subnet through a wired communication cable.
Specifically, when the master tracking controller in the current communication subnet fails or is damaged, the centralized communicator acquires the photoelectric data from the substitute master tracking controller, and can acquire the photoelectric data from the substitute master tracking controller in time when the master tracking controller of each communication subnet fails or is damaged, so that the probability of data transmission interruption is reduced, and the reliability and timeliness of data transmission are greatly improved.
In an embodiment of the present invention, a hybrid networking communication method includes the steps of:
s100, respectively acquiring photoelectric data of the photoelectric power generation equipment connected with the slave tracking controller and the master tracking controller;
s200, the master tracking controller acquires photoelectric data from the slave tracking controller through a wired cable at a wired communication interface of the master tracking controller;
s311, the background monitoring equipment acquires the monitoring requirement, generates a data acquisition request according to the monitoring requirement, and sends the data acquisition request to the corresponding centralized communicator through the long-distance wireless network;
s312, the centralized communicator obtains a primary address identifier through analysis according to the data acquisition request, searches a corresponding main tracking controller according to the primary address identifier, and forwards the acquired data acquisition request to the corresponding main tracking controller;
s313, the master tracking controller analyzes the data acquisition request to obtain a secondary address identifier, and searches for a corresponding slave tracking controller according to the secondary address identifier;
s314, the slave tracking controller sends the photoelectric data to the corresponding master tracking controller through the wired cable at the wired communication interface of the slave tracking controller;
and S315, the main tracking controller sends the collected or received photoelectric data to the corresponding centralized communicator through the short-distance wireless network, so that the centralized communicator sends the photoelectric data to the background monitoring equipment through the long-distance wireless network.
Specifically, the centralized communicator acquires a data acquisition request, analyzes the data acquisition request to obtain a primary address identifier and then searches for a corresponding master tracking controller, then forwards the data acquisition request to the master tracking controller corresponding to the primary address identifier through the second wireless communication module, the master tracking controller analyzes the data acquisition request to obtain a secondary address identifier and then searches for a corresponding slave tracking controller, then acquires the collected photoelectric data from the corresponding slave tracking controller through the 485 cable, and the master tracking controller sends the photoelectric data to the centralized communicator connected with the master tracking controller through the first wireless communication module.
In this embodiment, from tracking controller through the photoelectric data transmission of wired cable with gathering to main tracking controller, send for concentrated communicator through wireless communication mode by main tracking controller again, this kind of mixed networking communication mode can be prior art relatively, reduce the manpower and materials of buried line construction, the buried line distance of the wired cable that significantly reduces, and the share reduces the hardware cost of being equipped with wireless communication module at every tracking controller, thereby greatly reduced whole communication cost. In addition, the centralized communicator searches a corresponding master tracking controller according to the data acquisition request, then the master tracking controller searches a corresponding slave tracking controller according to the data acquisition request, and acquires needed photoelectric data (including photoelectric data acquired by the slave tracking controller and/or the master tracking controller) from the master tracking controller in an active acquisition mode in a specified manner, so that the occupation of wireless communication bandwidth caused by reporting and uploading data to the centralized communicator by the master tracking controller in real time can be avoided, the congestion of a short-distance wireless communication network is reduced, and the data reporting efficiency is improved.
In an embodiment of the present invention, a hybrid networking communication method includes the steps of:
s100, respectively acquiring photoelectric data of the photoelectric power generation equipment connected with the slave tracking controller and the master tracking controller;
s200, the master tracking controller acquires photoelectric data from the slave tracking controller through a wired cable at a wired communication interface of the master tracking controller;
s321, the slave tracking controller periodically sends photoelectric data to the corresponding master tracking controller through a wired cable at a wired communication interface of the slave tracking controller;
s322 the main tracking controller periodically sends the received photoelectric data and the photoelectric data acquired by the main tracking controller to the corresponding centralized communicator through the short-distance wireless network, so that the centralized communicator sends the photoelectric data to the background monitoring equipment through the long-distance wireless network.
Specifically, the slave tracking controller transmits the collected photoelectric data to the corresponding master tracking controller periodically through a 485 cable at a 485 communication interface of the slave tracking controller according to a first preset time interval, and the master tracking controller transmits the received photoelectric data and the photoelectric data acquired by the slave tracking controller periodically to the corresponding centralized communicator through the first wireless communication module according to a second preset time interval. Wherein the second preset time interval is greater than the first preset time interval.
In this embodiment, follow the tracking controller and periodically transmit the photoelectric data who gathers to main tracking controller through wired cable, send for concentrated communicator by main tracking controller periodicity through wireless communication mode again, this kind of mixed network deployment communication mode can be prior art relatively, reduce the manpower and materials of the construction of buried line, the buried line distance of the wired cable that significantly reduces, and the sharing reduces the hardware cost of being equipped with wireless communication module at every tracking controller, thereby greatly reduced whole communication cost. In addition, the master tracking controller periodically and actively transmits the photoelectric data to the centralized controller at the upper stage, so that the centralized controller passively acquires the required photoelectric data (including the photoelectric data acquired by the slave tracking controller and/or the master tracking controller) from the master tracking controller, and the real-time performance of data transmission is improved.
The photovoltaic tracking system tracking controller needs grooving and wire burying in the presence of wired communication, the wireless communication module is high in price, in view of cost reduction, a centralized networking distributed communication scheme is adopted, a centralized networking master tracking controller adopts lora wireless communication, and a distributed communication slave tracking controller adopts 485 wired communication.
The main tracking controller is in networking communication through the lora wireless module and interacts information with the centralized communicator, and the centralized communicator sends the information to the background monitoring equipment through optical fiber wireless communication. And the node tracking controller is separated from the main tracking controller by one relay tracking controller, the information transceiving of the node tracking controller is connected with the adjacent relay tracking controller through a 485 cable in a wired mode, and the information transceiving of the adjacent relay tracking controller is connected with the main tracking controller through a 485 cable in a wired mode. The master tracking controller is provided with a lora wireless module and a 485 communication module, and receives and transmits data through an ID addressing function with the slave tracking controller. Referring to fig. 1, the master tracking controller N1 communicates with the centralized communicator P1 via lora wireless module networking, and the centralized communicator P1 sends information to the background monitoring device Q via optical fiber.
Information transmission and reception of the node tracking controller Mj11 are connected to the relay tracking controller Mz11 by 485 cable, information transmission and reception of the relay tracking controller Mz11 are connected to the main tracking controller N1 by 485 cable, and information transmission and reception of the node tracking controller Mj12 and the relay tracking controller Mz12 are performed in the above manner. In each tracking controller, the 485 cable is simultaneously connected to two 485 communication interfaces of the tracking controller, and the tracking controllers on the left and right sides are respectively connected through the 485 cable, which is shown in fig. 3. The master tracking controller N1 receives data of 4 slave tracking controllers nearby in turn via the first ID (i.e. the secondary identification information of the present invention), processes and analyzes the data, and transmits the processed and analyzed data to the centralized communicator P1 via the lora network. When the centralized communicator P1 issues a command, it first searches the second ID of the lora module (i.e., the primary identification information of the present invention), and then finds the corresponding master tracking controller according to the ID address, thereby acquiring the data collected by the corresponding tracking controller (master tracking controller and/or slave tracking controller). Through this embodiment, distribution tracking controller 485 cable is wired and the communication, concentrates main tracking controller lora network deployment communication, has both reduced wired communication's grooving line embedding construction and cable cost, has also reduced the cost of lora wireless module.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-described division of program modules is illustrated, and in practical applications, the above-described distribution of functions may be performed by different program modules, that is, the internal structure of the apparatus may be divided into different program units or modules to perform all or part of the above-described functions. Each program module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one processing unit, and the integrated unit may be implemented in a form of hardware, or may be implemented in a form of software program unit. In addition, the specific names of the program modules are only used for distinguishing the program modules from one another, and are not used for limiting the protection scope of the application.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or recited in detail in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus/terminal device and method may be implemented in other ways. For example, the above-described embodiments of the apparatus/terminal device are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow in the method according to the embodiments of the present invention may also be implemented by sending instructions to relevant hardware through a computer program, where the computer program may be stored in a computer-readable storage medium, and when the computer program is executed by a processing module, the steps of the embodiments of the method may be implemented. Wherein the computer program comprises: computer program code which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable storage medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the content of the computer-readable storage medium can be increased or decreased according to the requirements of the legislation and patent practice in the jurisdiction, for example: in certain jurisdictions, in accordance with legislation and patent practice, the computer-readable medium does not include electrical carrier signals and telecommunications signals.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A hybrid networking communication system, comprising: each communication network comprises a centralized communicator and a plurality of communication subnets, and each communication subnetwork comprises a master tracking controller and a plurality of slave tracking controllers; the slave tracking controller comprises a node slave tracking controller and a relay slave tracking controller;
the master tracking controller is in wireless communication connection with the centralized communicator;
the master tracking controller, the relay slave tracking controller and the node slave tracking controller in each communication sub-network are sequentially connected in series in a wired connection manner;
the slave tracking controller is used for acquiring photoelectric data of the photoelectric power generation equipment connected with the slave tracking controller;
the master tracking controller is used for acquiring photoelectric data of the photoelectric power generation equipment connected with the master tracking controller and acquiring the photoelectric data from the slave tracking controller through a wired cable;
the centralized communicator is used for acquiring the photoelectric data collected or received by the centralized communicator from a main tracking controller connected with the centralized communicator.
2. The hybrid networking communication system according to claim 1, wherein:
the master tracking controller includes: the device comprises a first wireless communication module, an acquisition module, a first processing module and at least one pair of 485 communication interfaces;
the slave tracking controller includes: the device comprises an acquisition module and at least one pair of 485 communication interfaces;
the centralized communicator includes: a second wireless communication module and a second processing module; the first wireless communication module and the second wireless communication module adopt a short-range wireless communication protocol;
485 communication interfaces of a master tracking controller, a relay slave tracking controller and a node slave tracking controller in each communication sub-network are respectively connected in series through 485 cables;
the second wireless communication module of the centralized communicator in each communication network is respectively connected with the first wireless communication modules in all communication subnets under each communication network;
the acquisition module is used for acquiring photoelectric data of the photoelectric power generation equipment connected with the acquisition module;
the second wireless communication module is used for forwarding the acquired data acquisition request to the corresponding first wireless communication module;
the second processing module is used for acquiring the data acquisition request from the second wireless communication module, analyzing the data acquisition request to obtain a primary address identifier, and searching a corresponding main tracking controller according to the primary address identifier;
the first processing module is used for acquiring the data acquisition request from the first wireless communication module, analyzing the data acquisition request to obtain a secondary address identifier, and searching a corresponding slave tracking controller according to the secondary address identifier;
the slave tracking controller sends the photoelectric data acquired from the acquisition module to a master tracking controller of a corresponding communication subnet through the 485 cable, and a first wireless communication module of the master tracking controller sends the photoelectric data to a corresponding centralized communicator.
3. The hybrid networking communication system according to claim 2, wherein:
the slave tracking controller is used for periodically sending the photoelectric data to the corresponding master tracking controller through a 485 cable at a 485 communication interface of the slave tracking controller;
and the main tracking controller is used for periodically sending the received photoelectric data and the photoelectric data acquired by the main tracking controller to the corresponding centralized communicator through the first wireless communication module.
4. The hybrid networking communication system according to claim 2 or 3, further comprising: and the background monitoring equipment is in wireless communication connection with the plurality of centralized communicators, is used for generating and sending the data acquisition request to the corresponding centralized communicators according to the acquired monitoring requirements, and is also used for receiving the photoelectric data sent by the centralized communicators.
5. The hybrid networking communication system according to claim 4, wherein:
the centralized communicator further comprises: a third wireless communication module;
the background monitoring device comprises: the system comprises an acquisition module, a fourth wireless communication module and a third processing module; the third wireless communication module and the fourth wireless communication module adopt a long-distance wireless communication protocol;
the acquisition module is used for acquiring the monitoring requirement input by the user;
the third processing module is used for analyzing according to the monitoring requirement to obtain identification information of a tracking controller to be monitored, searching an identity address of a centralized communicator in the communication network to which the tracking controller belongs according to the identification information, and generating the data acquisition request according to the identification information and the identity address; the tracking controller to be monitored comprises the slave tracking controller and/or the master tracking controller;
the fourth wireless communication module is configured to send the data acquisition request to the third wireless communication module corresponding to the identity address, and receive the photoelectric data sent by the third wireless communication module;
the second processing module is configured to obtain the data obtaining request from the third wireless communication module, and control the second communication module to forward the data obtaining request to the corresponding first wireless communication module.
6. The hybrid networking communication system according to claim 1, wherein:
the master tracking controller in the current communication sub-network is respectively connected with a plurality of relay slave tracking controllers in series through wired communication cables, and each relay slave tracking controller in the current communication sub-network is respectively connected with a plurality of node slave tracking controllers in series through wired communication cables; or the like, or, alternatively,
the master tracking controller in the current communication sub-network is respectively connected with the plurality of relay slave tracking controllers in series through wired communication cables, each relay slave tracking controller in the current communication sub-network is respectively connected with the plurality of node slave tracking controllers in series through wired communication cables, and each relay slave tracking controller in the current communication sub-network is connected with the master tracking controller in the next communication sub-network in series through wired communication cables.
7. A hybrid networking communication method is applied to a hybrid networking communication system and comprises the following steps:
the slave tracking controller and the master tracking controller respectively acquire photoelectric data of the photoelectric power generation equipment connected with the slave tracking controller and the master tracking controller;
the master tracking controller acquires the photoelectric data from the slave tracking controller through a wired cable at a wired communication interface of the master tracking controller;
the centralized communicator acquires the collected or received photoelectric data from the main tracking controller connected with the centralized communicator in a wireless communication mode.
8. The hybrid networking communication method according to claim 7, further comprising the steps of:
if the master tracking controller in the current communication subnet fails, the centralized communicator acquires the photoelectric data from the substitute master tracking controller;
wherein the substitute master tracking controller is a master tracking controller in a next current communication subnet connected in series with the relay slave tracking controller in the current communication subnet by a wired communication cable.
9. The hybrid networking communication method according to claim 7 or 8, wherein the centralized communicator acquires the collected or received photoelectric data from the main tracking controller connected with the centralized communicator in a wireless communication manner, and comprises the following steps:
the method comprises the steps that background monitoring equipment acquires monitoring requirements, generates data acquisition requests according to the monitoring requirements, and sends the data acquisition requests to corresponding centralized communicators through a long-distance wireless network;
the centralized communicator obtains a primary address identifier through analysis according to the data acquisition request, searches a corresponding main tracking controller according to the primary address identifier, and forwards the acquired data acquisition request to the corresponding main tracking controller;
the master tracking controller obtains a secondary address identifier by analyzing according to the data acquisition request, and searches a corresponding slave tracking controller according to the secondary address identifier;
the slave tracking controller transmits the photoelectric data to a corresponding master tracking controller through a wired cable at a wired communication interface of the slave tracking controller;
the main tracking controller sends the collected or received photoelectric data to the corresponding centralized communicator through the short-distance wireless network, so that the centralized communicator sends the photoelectric data to the background monitoring equipment through the long-distance wireless network.
10. The hybrid networking communication method according to claim 7 or 8, further comprising the steps of:
the slave tracking controller periodically sends the photoelectric data to a corresponding master tracking controller through a wired cable at a wired communication interface of the slave tracking controller;
the master tracking controller periodically transmits the received photoelectric data and the photoelectric data acquired by the master tracking controller to the corresponding centralized communicator through the short-distance wireless network, so that the centralized communicator transmits the photoelectric data to the background monitoring equipment through the long-distance wireless network.
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