Solar panel monitoring system based on wireless network
Technical Field
The invention belongs to the technical field of solar power generation systems, and particularly relates to a solar panel monitoring system based on a wireless network.
Background
Solar photovoltaic power generation refers to a power generation mode of directly converting light energy into electric energy without a thermal process. The method comprises photovoltaic power generation, photochemical power generation, photoinduction power generation and photobiological power generation. Photovoltaic power generation is a direct power generation method that utilizes a solar-grade semiconductor electronic device to effectively absorb solar radiation energy and convert the solar radiation energy into electric energy, and is the mainstream of current solar power generation.
A traditional method for monitoring a solar power generation panel is a wired method, and the method is complex and difficult in actual wiring and has great limitation, so that a solar panel monitoring system based on a wireless network is provided.
Disclosure of Invention
The present invention is directed to a solar panel monitoring system based on a wireless network, so as to solve the problems set forth in the background art.
In order to achieve the purpose, the invention adopts the following technical scheme: a solar panel monitoring system based on a wireless network comprises at least one management PC, at least one data collector and panel modules, wherein the data collector is electrically connected with the management PC, and each data collector is in signal transmission with the panel modules through wireless signals;
the data collector comprises a second main control MCU, a data collector address setting circuit, a data storage circuit, a first wireless sensor network module, a bus and a power supply circuit, wherein the output end of the data collector address setting circuit is connected with the input end of the second main control MCU, the second main control MCU is electrically connected with the data storage circuit, the bus and the power supply circuit, and the second main control MCU is electrically connected with the first wireless sensor network module;
the panel module comprises a first main control MCU, a solar panel wiring terminal output circuit, a second wireless sensor network module, a data storage module, a temperature sensor, a power supply module, a collected current and voltage conditioning circuit, a solar panel wiring terminal input circuit and a power switch, the output ends of the power supply module and the collected current and voltage conditioning circuit are connected with the input end of the first main control MCU, the output end of the temperature sensor is connected with the input end of a first main control MCU, the first main control MCU is respectively and electrically connected with a second wireless sensor network module and a data storage module, the output end of the first main control MCU is connected with the power switch, the output end of the power switch is connected with the input end of the solar panel wiring terminal output circuit, the output end of the solar panel wiring terminal input circuit is connected with the power supply module and the input end of the power switch respectively.
Furthermore, a pin D0 of the second master control MCU corresponds to a pin D0 of the data collector address setting circuit, a pin D1 of the second master control MCU corresponds to a pin D1 of the data collector address setting circuit, a pin D2 of the second master control MCU corresponds to a pin D2 of the data collector address setting circuit, a pin D3 of the second master control MCU corresponds to a pin D3 of the data collector address setting circuit, a pin D4 of the second master control MCU corresponds to a pin D4 of the data collector address setting circuit, a pin D5 of the second master control MCU corresponds to a pin D5 of the data collector address setting circuit, a pin D6 of the second master control MCU corresponds to a pin D6 of the data collector address setting circuit, and a pin D7 of the second master control MCU corresponds to a pin D7 of the data collector address setting circuit.
Furthermore, the No. 2 pin of the first wireless sensor network module is connected with a ground wire, the No. 3 pin of the first wireless sensor network module is connected with a power supply, and the No. 4 pin of the first wireless sensor network module is connected with the No. 16 pin of the second main control MCU.
Further, the 485 bus and the power supply circuit are electrically connected with the management PC1 through wires.
Furthermore, a No. 2 pin of the second wireless sensor network module is connected with a ground wire, a No. 3 pin of the second wireless sensor network module is connected with a power supply, and a No. 4 pin of the second wireless sensor network module is connected with a No. 12 pin of the first main control MCU.
Furthermore, the No. 1, No. 2, No. 3 and No. 4 pins of the data storage module are all grounded, the No. 5 pin of the data storage module is connected with the No. 9 pin of the first main control MCU, the No. 6 pin of the data storage module is connected with the No. 10 pin of the first main control MCU, the No. 7 pin of the data storage module is connected with the No. 11 pin of the first main control MCU, and the No. 8 pin of the data storage module is connected with the power supply.
Furthermore, pin number 17 of the first main control MCU is connected with pin number 9 of the second wireless sensor network module, and pin number 18 of the first main control MCU is connected with pin number 8 of the second wireless sensor network module.
Further, the first wireless sensor network module is specifically a Zigbee sensor.
Further, the second wireless sensor network module is specifically a Zigbee sensor.
Compared with the prior art, the invention has the beneficial effects that:
1. the system uses a wireless networking mode, realizes centralized management of data by matching with a data collection station, and can transmit the data to a server through the data collection station.
2. The mode of adopting wireless network deployment makes things convenient for the installation of panel module, has reduced the limitation of installation, and makes things convenient for panel module and data collector to carry out data interaction transmission.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a schematic diagram of the framework of the present invention;
FIG. 2 is a block diagram of a data collector of the present invention;
FIG. 3 is a schematic view of a frame of a panel module according to the present invention;
FIG. 4 is a circuit diagram of a second MCU according to the present invention;
FIG. 5 is a circuit diagram of a data collector address setting circuit according to the present invention;
FIG. 6 is a circuit diagram of a data storage circuit according to the present invention;
FIG. 7 is a circuit diagram of a first wireless sensor network module according to the present invention;
FIG. 8 is a circuit diagram of a 485 bus of the present invention;
FIG. 9 is a circuit diagram of the power supply circuit of the present invention;
FIG. 10 is a circuit diagram of a first master MCU and temperature sensor of the present invention;
FIG. 11 is a circuit diagram of a second wireless sensor network module according to the present invention;
FIG. 12 is a circuit diagram of a data storage module of the present invention;
FIG. 13 is a circuit diagram of a high precision reference voltage according to the present invention;
FIG. 14 is a circuit diagram of a power module of the present invention;
FIG. 15 is a circuit diagram of the acquisition current conditioning circuit of the present invention;
fig. 16 is a circuit diagram of the power switch of the present invention.
In the figure: 1. managing the PC; 2. a data collector; 201. a second master control MCU; 202. a data collector address setting circuit; 203. a data storage circuit; 204. a first wireless sensor network module; 205. 485 bus and power supply circuit; 3. a panel module; 301. a first master control MCU; 302. a solar panel wiring terminal output circuit; 303. a second wireless sensor network module; 304. a data storage module; 305. a temperature sensor; 306. a power supply module; 307. collecting a current and voltage conditioning circuit; 308. the solar panel wiring terminal input circuit; 309. and (4) a power switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 to 16, the present invention provides a technical solution: a solar panel monitoring system based on a wireless network comprises at least one management PC1, at least one data collector 2 and panel modules 3, wherein the data collector 2 is electrically connected with a management PC1, and each data collector 2 is in signal transmission with a plurality of panel modules 3 through wireless signals;
the data collector 2 comprises a second master control MCU201, a data collector address setting circuit 202, a data storage circuit 203, a first wireless sensor network module 204, a 485 bus and a power supply circuit 205, wherein the output end of the data collector address setting circuit 202 is connected with the input end of the second master control MCU201, the second master control MCU201 is electrically connected with the data storage circuit 203, the 485 bus and the power supply circuit 205, and the second master control MCU201 is electrically connected with the first wireless sensor network module 204;
the panel module 3 comprises a first main control MCU301, a solar panel wiring terminal output circuit 302, a second wireless sensor network module 303, a data storage module 304, a temperature sensor 305, a power supply module 306, a collected current and voltage conditioning circuit 307, a solar panel wiring terminal input circuit 308 and a power switch 309, wherein the output ends of the power supply module 306 and the collected current and voltage conditioning circuit 307 are connected to the input end of the first main control MCU301, the output end of the temperature sensor 305 is connected to the input end of the first main control MCU301, the first main control MCU301 is respectively electrically connected to the second wireless sensor network module 303 and the data storage module 304, the output end of the first main control MCU301 is connected to the power switch 309, the output end of the power switch 309 is connected to the input end of the solar panel wiring terminal output circuit 302, the output end of the solar panel wiring terminal input circuit 308 is respectively connected to the input ends of the power supply module 306 and the power switch 309, no. 17 pin of first main control MCU301 is connected with No. 9 pin of second wireless sensor network module 303, No. 18 pin of first main control MCU301 is connected with No. 8 pin of second wireless sensor network module 303, No. 2 pin earth connection of second wireless sensor network module 303, No. 3 pin of second wireless sensor network module 303 is connected with the power, No. 4 pin of second wireless sensor network module 303 inserts No. 12 pin of first main control MCU301, this system uses the mode of wireless network deployment, the centralized management of cooperation data collection station realization data, and can convey data to the server through the data collection station.
In this embodiment, a pin D0 of the second master MCU201 corresponds to a pin D0 of the data collector address setting circuit 202, a pin D1 of the second master MCU201 corresponds to a pin D1 of the data collector address setting circuit 202, a pin D2 of the second master MCU201 corresponds to a pin D2 of the data collector address setting circuit 202, a pin D3 of the second master MCU201 corresponds to a pin D3 of the data collector address setting circuit 202, a pin D4 of the second master MCU201 corresponds to a pin D4 of the data collector address setting circuit 202, a pin D5 of the second master MCU201 corresponds to a pin D5 of the data collector address setting circuit 202, a pin D6 of the second master MCU201 corresponds to a pin D6 of the data collector address setting circuit 202, and a pin D7 of the second master MCU201 corresponds to a pin D7 of the data collector address setting circuit 202.
In this embodiment, the pin No. 2 of the first wireless sensor network module 204 is connected to a ground line, the pin No. 3 of the first wireless sensor network module 204 is connected to a power supply, and the pin No. 4 of the first wireless sensor network module 204 is connected to the pin No. 16 of the second main control MCU 201.
In this embodiment, the 485 bus and the power supply circuit 205 are electrically connected to the management PC1 through wires.
In this embodiment, the pins 1, 2, 3 and 4 of the data storage module 304 are all grounded, the pin 5 of the data storage module 304 is connected to the pin 9 of the first main control MCU301, the pin 6 of the data storage module 304 is connected to the pin 10 of the first main control MCU301, the pin 7 of the data storage module 304 is connected to the pin 11 of the first main control MCU301, and the pin 8 of the data storage module 304 is connected to the power supply.
In this embodiment, the first wireless sensor network module 204 is specifically a Zigbee sensor.
In this embodiment, the second wireless sensor network module 303 is specifically a Zigbee sensor.
The working principle and the using process of the invention are as follows: the solar panel can convert solar energy into electric energy, and the panel module 3 collects information such as real-time current, voltage, temperature and the like through the collecting current and voltage conditioning circuit 307 and the temperature sensor 305 to protect and monitor the state of each solar panel. The collected data are stored in a local data storage module 304, when the management PC1 needs to be checked, a query instruction is issued through the data collector 2, the panel module 3 uploads information, the protection threshold value of the panel module 3 can also be issued to the data collector 2 through the management PC1, and then is issued to the panel module 3 again through the data collector 2 in a wireless network mode, when the conditions of overload, overvoltage, over-temperature and the like occur, the panel module 3 is cut off from output, each data collector 2 and at most 63 panel modules 3 can build a wireless network with independent addresses, and the system supports 65535 networks at most.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.