CN210143023U - Photovoltaic power generation data acquisition gateway device - Google Patents
Photovoltaic power generation data acquisition gateway device Download PDFInfo
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- CN210143023U CN210143023U CN201921320233.4U CN201921320233U CN210143023U CN 210143023 U CN210143023 U CN 210143023U CN 201921320233 U CN201921320233 U CN 201921320233U CN 210143023 U CN210143023 U CN 210143023U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model relates to the technical field of photovoltaic power generation, in particular to a photovoltaic power generation data acquisition gateway device, which comprises a main control module, a RS485 bus communication module, a photovoltaic power generation inverter system, a USB one-key downloading module, a GPRS communication module, an EEPROM module and a monitoring terminal for acquiring real-time data and monitoring of the photovoltaic power generation inverter system; the photovoltaic power generation inversion system comprises an energy storage battery and a photovoltaic inverter connected with the energy storage battery; the master control module is connected with the photovoltaic inverter through an RS485 bus communication module, the master control module is in signal connection with the GPRS communication module, the GPRS communication module is in signal connection with the monitoring terminal, and the USB one-key downloading module and the EEPROM module are respectively connected with the master control module. The utility model has the advantages of simple structure and reasonable design, multimachine communication is convenient, realizes in time the control to photovoltaic power generation inverter system, and is with low costs, uses in a flexible way.
Description
Technical Field
The utility model belongs to the technical field of the photovoltaic power generation technique and specifically relates to indicate a photovoltaic power generation data acquisition gateway device.
Background
The photovoltaic energy storage machine is generally located in an area with abundant solar energy resources, conditions are limited, and how to replace manpower to carry out photovoltaic monitoring and data storage and realize remote monitoring becomes a significant problem.
Disclosure of Invention
The utility model discloses problem to prior art provides a photovoltaic power generation data acquisition gateway device, simple structure, reasonable in design, and multimachine communication is convenient, realizes in time the control to photovoltaic power generation inverter system, and is with low costs, uses in a flexible way.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a photovoltaic power generation data acquisition gateway device, which comprises a main control module, an RS485 bus communication module, a photovoltaic power generation inverter system, a USB one-key downloading module, a GPRS communication module, an EEPROM module and a monitoring terminal for acquiring real-time data and monitoring of the photovoltaic power generation inverter system; the photovoltaic power generation inversion system comprises an energy storage battery and a photovoltaic inverter connected with the energy storage battery; the master control module is connected with the photovoltaic inverter through an RS485 bus communication module, the master control module is in signal connection with the GPRS communication module, the GPRS communication module is in signal connection with the monitoring terminal, the USB one-key downloading module and the EEPROM module are respectively connected with the master control module, and the EEPROM module is used for storing power generation data of the photovoltaic power generation inversion system.
The photovoltaic power generation data acquisition gateway device further comprises a power supply circuit, and the power supply circuit supplies power to the RS485 bus communication module, the master control module and the GPRS communication module respectively.
The main control module comprises a main control chip, and the model of the main control chip is STM32F103RCT 6.
The model of the EEPROM module is an AT24C512 storage.
The GPRS communication module comprises a GPRS communication chip, and the model of the GPRS communication chip is SIM 800C.
The RS485 bus communication module comprises an RS485 communication chip, and the model of the RS485 communication chip is SP 3485.
The utility model has the advantages that:
(1) multi-machine communication is convenient; due to the fact that the RS485 bus communication module is used, each photovoltaic inverter can be conveniently carried on the RS485 bus communication module in a communication mode, and data collection is achieved;
(2) data can be directly accessed to the internet, so that remote monitoring is realized; due to the fact that the GPRS communication module is used, data internet access can be achieved through data exchange between the main control module and the GPRS communication module, and data persistence and remote monitoring are achieved.
(3) The cost is low; compared with the traditional programming mode, an expensive simulator and the like are often required to be equipped, the USB one-key downloading module can realize downloading and upgrading only by one USB data line, and the use is flexible.
Drawings
Fig. 1 is the utility model discloses a photovoltaic power generation data acquisition gateway device's functional block diagram.
Fig. 2 is a circuit diagram of the main control module of the present invention.
Fig. 3 is the circuit diagram of the RS485 bus communication module of the present invention.
Fig. 4 is a circuit diagram of the USB one-key download module of the present invention.
Fig. 5 is a circuit diagram of the GPRS communication module of the present invention.
Fig. 6 is a circuit diagram of an EEPROM module of the present invention.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.
A photovoltaic power generation data acquisition gateway device is shown in figures 1 to 6 and comprises a main control module, an RS485 bus communication module, a photovoltaic power generation inverter system, a USB one-key downloading module, a GPRS communication module, an EEPROM module and a monitoring terminal for acquiring real-time data and monitoring of the photovoltaic power generation inverter system; the photovoltaic power generation inversion system comprises an energy storage battery and a photovoltaic inverter connected with the energy storage battery; the master control module is connected with the photovoltaic inverter through an RS485 bus communication module, the master control module is in signal connection with the GPRS communication module, the GPRS communication module is in signal connection with the monitoring terminal, the USB one-key downloading module and the EEPROM module are respectively connected with the master control module, and the EEPROM module is used for storing power generation data of the photovoltaic power generation inversion system. Particularly, the utility model has the advantages of ingenious structure and reasonable design, and because the RS485 bus communication module is used, each photovoltaic inverter can be conveniently carried on the RS485 bus communication module for data acquisition and multi-machine communication convenience; the GPRS communication module is used, data internet access can be realized through data exchange between the main control module and the GPRS communication module, data persistence and remote monitoring are realized, the GPRS communication module sends data to the monitoring terminal, the monitoring terminal can be connected with an intelligent terminal of a user, timely monitoring is realized, data can be directly internet-accessed, and remote monitoring is realized; furthermore, compared with the traditional programming mode, the utility model often needs to be equipped with an expensive emulator, etc., the USB one-key downloading module can realize the downloading and upgrading of the program only by one USB data line, the use is flexible, and the cost is lower; the EEPROM module is used for storing power generation historical data and error information of the photovoltaic power generation inverter system, and is convenient to maintain and check records.
This embodiment a photovoltaic power generation data acquisition gateway device, photovoltaic power generation data acquisition gateway device still includes power supply circuit, power supply circuit is RS485 bus communication module, host system and GPRS communication module power supply respectively. Specifically, the power supply circuit is conventional in the prior art, and is not described herein again.
The photovoltaic power generation data acquisition gateway device of this embodiment, main control module includes the main control chip, and the main control chip model is STM32F103RCT 6. The USB one-key downloading module adopts a CH340G chip, and realizes joint debugging of one-key downloading between a computer and a main control module through level control; the STM32F103RCT6 main control chip adopts an I2C interface to realize I2C communication, namely an SDA and an SCL line are connected with an EEPROM module; parameters such as photovoltaic power generation power, voltage and current collected by the master control module through the RS485 bus communication module are stored in the EEPROM module.
In the photovoltaic power generation data acquisition gateway device described in this embodiment, the model of the EEPROM module is an AT24C512 storage. Specifically, the main control module stores and reads data with the EEPROM module through the communication mode of I2C.
The photovoltaic power generation data acquisition gateway device of this embodiment, GPRS communication module includes the GPRS communication chip, the model of GPRS communication chip is SIM 800C. Specifically, the GPRS communication module exchanges data with the main control module through USART3, and sends the data to a monitoring terminal to realize remote network monitoring, where the monitoring terminal may be a communication connection between a cloud server and an intelligent terminal, and the intelligent terminal may be a mobile phone, a tablet, a computer, or the like; the SIM800C chip is designed to be powered by 5V, and exchanges data with the main control module through a USART 3.
The photovoltaic power generation data acquisition gateway device of this embodiment, RS485 bus communication module includes RS485 communication chip, RS485 communication chip's model is SP 3485. Specifically, a master-slave machine structure is realized between the master control module and the photovoltaic power generation inverter system through the RS485 bus communication module so as to exchange data with the photovoltaic inverter, and the master control module is ingenious in design and good in use stability; wherein, the USART2 interface of the main control module realizes the switching of the receiving and transmitting functions of the RS485 communication chip by using the GPIOD port.
The master-slave communication with the photovoltaic inverter can be realized, the master control module of the data acquisition gateway device serves as a master computer, the photovoltaic inverter serves as a slave computer, the master control module and the slave computer strictly follow the standard MODBUS RTU protocol, and firstly, the RS485 bus communication module starts a sending mode; and after the transmission is finished, switching to a receiving mode, detecting whether data is received, repeating the previous steps if the data is not received, and otherwise, performing data analysis after CRC (cyclic redundancy check) is performed.
The embodiment realizes GPRS communication, specifically needs to initialize a GPRS communication module, obtains the longitude and latitude of the photovoltaic inverter, and then starts the HTTP mode of the GPRS communication module and sends data; and the main control module judges whether the data is successful according to the returned data, if the data is successfully quitted, the transmission is carried out, and if the data is not successfully quitted, the data is repeatedly sent.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.
Claims (6)
1. The utility model provides a photovoltaic power generation data acquisition gateway device which characterized in that: the monitoring system comprises a main control module, an RS485 bus communication module, a photovoltaic power generation inverter system, a USB one-key downloading module, a GPRS communication module, an EEPROM module and a monitoring terminal for acquiring real-time data and monitoring of the photovoltaic power generation inverter system; the photovoltaic power generation inversion system comprises an energy storage battery and a photovoltaic inverter connected with the energy storage battery; the master control module is connected with the photovoltaic inverter through an RS485 bus communication module, the master control module is in signal connection with the GPRS communication module, the GPRS communication module is in signal connection with the monitoring terminal, the USB one-key downloading module and the EEPROM module are respectively connected with the master control module, and the EEPROM module is used for storing power generation data of the photovoltaic power generation inversion system.
2. The photovoltaic power generation data collection gateway device according to claim 1, wherein: photovoltaic power generation data acquisition gateway device still includes power supply circuit, power supply circuit is RS485 bus communication module, host system and GPRS communication module power supply respectively.
3. The photovoltaic power generation data collection gateway device according to claim 1, wherein: the main control module comprises a main control chip, and the model of the main control chip is STM32F103RCT 6.
4. The photovoltaic power generation data collection gateway device according to claim 1, wherein: the model of the EEPROM module is AT24C512 storage.
5. The photovoltaic power generation data collection gateway device according to claim 1, wherein: the GPRS communication module comprises a GPRS communication chip, and the model of the GPRS communication chip is SIM 800C.
6. The photovoltaic power generation data collection gateway device according to claim 1, wherein: the RS485 bus communication module comprises an RS485 communication chip, and the model of the RS485 communication chip is SP 3485.
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| CN201921320233.4U CN210143023U (en) | 2019-08-14 | 2019-08-14 | Photovoltaic power generation data acquisition gateway device |
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| CN201921320233.4U CN210143023U (en) | 2019-08-14 | 2019-08-14 | Photovoltaic power generation data acquisition gateway device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110417914A (en) * | 2019-08-14 | 2019-11-05 | 东莞市钜大电子有限公司 | A kind of photovoltaic power generation data acquisition gateway device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110417914A (en) * | 2019-08-14 | 2019-11-05 | 东莞市钜大电子有限公司 | A kind of photovoltaic power generation data acquisition gateway device |
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