CN202793450U - Data monitoring and acquiring device for small photovoltaic power generation system - Google Patents
Data monitoring and acquiring device for small photovoltaic power generation system Download PDFInfo
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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
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Abstract
Description
技术领域 technical field
本实用新型涉及光伏发电，特别涉及一种小型光伏发电系统数据监测采集装置。The utility model relates to photovoltaic power generation, in particular to a data monitoring and acquisition device for a small photovoltaic power generation system.
背景技术 Background technique
在可再生能源利用中，光伏发电占据着重要的地位，随着技术成熟、成本降低，必将走向大规模应用。其中小型光伏发电系统是重点发展方向之一，目前已有不少小型光伏发电系统示范案例。目前在系统研究、评估验收等实际工作中，缺少有效的装置监测采集小型光伏发电系统的性能数据以及所处环境的数据，用于当地光伏发电开发潜力的研究、小型光伏发电系统性能的验收评估。In the utilization of renewable energy, photovoltaic power generation occupies an important position. With the maturity of technology and the reduction of cost, it will surely move towards large-scale application. Among them, the small-scale photovoltaic power generation system is one of the key development directions, and there are already many demonstration cases of small-scale photovoltaic power generation systems. At present, in the actual work of system research, evaluation and acceptance, etc., there is a lack of effective device monitoring and collection of performance data of small-scale photovoltaic power generation systems and data of the environment in which they are used for research on the development potential of local photovoltaic power generation and acceptance evaluation of small-scale photovoltaic power generation system performance. .
实用新型内容 Utility model content
本实用新型的目的，就是为了提供一种小型光伏发电系统数据监测采集装置，实现对小型光伏发电系统的性能数据及其环境气象数据的监测、采集和存储，以满足市场对小型光伏发电系统研究、设计、验收的检测装置的需求。The purpose of this utility model is to provide a small-scale photovoltaic power generation system data monitoring and acquisition device to realize the monitoring, collection and storage of the performance data of the small-scale photovoltaic power generation system and its environmental meteorological data, so as to meet the needs of the market for research on small-scale photovoltaic power generation systems. , design, and acceptance testing device requirements.
为了实现上述目的，本实用新型采用了以下技术方案：一种小型光伏发电系统数据监测采集装置，所述小型光伏发电系统数据监测采集装置专用于采集小型光伏发电系统光伏阵列发电性能数据及环境数据；小型光伏发电系统数据监测采集装置包括温度传感器、电压传感器、电流传感器、温度巡检仪、电压巡检仪、电流巡检仪、环境监测仪、IO采集模块、485-232通讯模块、上位机和开关电源；温度传感器安装在太阳电池组件的背面，其信号输出端与温度巡检仪连接；电压传感器的对应端口与光伏阵列线路的正、负极相连，其信号输出端与电压巡检仪连接；电流传感器套在光伏阵列输出电缆上，其信号输出端与电流巡检仪连接；环境监测仪架设于小型光伏发电系统附近；温度巡检仪、电压巡检仪、电流巡检仪和环境监测仪的信号输出端分别与IO采集模块连接，IO采集模块的信号输出端连接485-232通讯模块；485-232通讯模块的信号输出端连接上位机；开关电源提供24V直流电，供给各电压传感器、电流传感器、环境监测仪、温度巡检仪、电压巡检仪、电流巡检仪和IO采集模块；在上位机内设有监控软件。In order to achieve the above purpose, the utility model adopts the following technical solutions: a small-scale photovoltaic power generation system data monitoring and acquisition device, the small-scale photovoltaic power generation system data monitoring and acquisition device is dedicated to collecting small-scale photovoltaic power generation system photovoltaic array power generation performance data and environmental data ; Small photovoltaic power generation system data monitoring and acquisition device includes temperature sensor, voltage sensor, current sensor, temperature inspection instrument, voltage inspection instrument, current inspection instrument, environmental monitoring instrument, IO acquisition module, 485-232 communication module, upper computer and switching power supply; the temperature sensor is installed on the back of the solar cell module, and its signal output terminal is connected to the temperature inspection instrument; the corresponding port of the voltage sensor is connected to the positive and negative poles of the photovoltaic array line, and its signal output terminal is connected to the voltage inspection instrument ;The current sensor is set on the photovoltaic array output cable, and its signal output terminal is connected to the current inspection instrument; the environmental monitoring instrument is set up near the small photovoltaic power generation system; the temperature inspection instrument, voltage inspection instrument, current inspection instrument and environmental monitoring The signal output terminals of the instrument are respectively connected with the IO acquisition module, and the signal output terminals of the IO acquisition module are connected with the 485-232 communication module; Current sensor, environmental monitoring instrument, temperature inspection instrument, voltage inspection instrument, current inspection instrument and IO acquisition module; monitoring software is installed in the host computer.
所述的环境监测仪内设有环境温度传感器、风速传感器、风向传感器、辐射传感器和辐射变送器，辐射变送器与辐射传感器相连，环境温度传感器、风速传感器、风向传感器和辐射变送器的信号输出端分别与IO采集模块连接。The environmental monitoring instrument is provided with an ambient temperature sensor, a wind speed sensor, a wind direction sensor, a radiation sensor and a radiation transmitter, and the radiation transmitter is connected to the radiation sensor, and the ambient temperature sensor, the wind speed sensor, the wind direction sensor and the radiation transmitter The signal output ends of the signals are respectively connected with the IO acquisition module.
本实用新型的小型光伏发电系统数据监测采集装置，实现了小型光伏发电系统重要参数的监测、显示、存储功能，能够形成大量的数据及报表，可广泛地用于光伏发电系统评估、验收及研究。The small photovoltaic power generation system data monitoring and acquisition device of the utility model realizes the monitoring, display and storage functions of important parameters of the small photovoltaic power generation system, can form a large amount of data and reports, and can be widely used in photovoltaic power generation system evaluation, acceptance and research .
附图说明 Description of drawings
图1为本实用新型小型光伏发电系统数据监测采集装置的结构原理示意图。Figure 1 is a schematic diagram of the structure and principle of the data monitoring and acquisition device for the small-scale photovoltaic power generation system of the present invention.
具体实施方式 Detailed ways
下面结合附图和具体实施例对本实用新型进行详细说明。The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
参见图1，本实用新型的一种小型光伏发电系统数据监测采集装置，包括温度传感器、电压传感器、电流传感器、温度巡检仪、电压巡检仪、电流巡检仪、环境监测仪、IO采集模块、485-232通讯模块、上位机和开关电源；温度传感器安装在太阳电池组件的背面，其信号输出端与温度巡检仪连接；电压传感器的对应端口与光伏阵列线路的正、负极相连，其信号输出端与电压巡检仪连接；电流传感器套在光伏阵列输出电缆上，其信号输出端与电流巡检仪连接；环境监测仪架设于小型光伏发电系统附近；温度巡检仪、电压巡检仪、电流巡检仪和环境监测仪的信号输出端分别与IO采集模块连接，IO采集模块的信号输出端连接485-232通讯模块；485-232通讯模块的信号输出端连接上位机；开关电源提供24V直流电，供给各电压传感器、电流传感器、环境监测仪、温度巡检仪、电压巡检仪、电流巡检仪和IO采集模块；在上位机内设有监控软件。Referring to Fig. 1, a small-scale photovoltaic power generation system data monitoring and acquisition device of the present invention includes a temperature sensor, a voltage sensor, a current sensor, a temperature inspection instrument, a voltage inspection instrument, a current inspection instrument, an environmental monitoring instrument, and an IO acquisition Module, 485-232 communication module, upper computer and switching power supply; the temperature sensor is installed on the back of the solar cell module, and its signal output terminal is connected to the temperature inspection instrument; the corresponding port of the voltage sensor is connected to the positive and negative poles of the photovoltaic array line, Its signal output terminal is connected to the voltage inspection instrument; the current sensor is set on the output cable of the photovoltaic array, and its signal output end is connected to the current inspection instrument; the environmental monitoring instrument is set up near the small photovoltaic power generation system; the temperature inspection instrument, voltage inspection instrument The signal output terminals of the inspection instrument, the current inspection instrument and the environmental monitoring instrument are respectively connected to the IO acquisition module, and the signal output terminal of the IO acquisition module is connected to the 485-232 communication module; the signal output terminal of the 485-232 communication module is connected to the host computer; the switch The power supply provides 24V direct current to supply voltage sensors, current sensors, environmental monitoring instruments, temperature inspection instruments, voltage inspection instruments, current inspection instruments and IO acquisition modules; monitoring software is installed in the host computer.
所述的环境监测仪内设有环境温度传感器、风速传感器、风向传感器、辐射传感器和辐射变送器，辐射变送器与辐射传感器相连，环境温度传感器、风速传感器、风向传感器和辐射变送器的信号输出端分别与IO采集模块连接。The environmental monitoring instrument is provided with an ambient temperature sensor, a wind speed sensor, a wind direction sensor, a radiation sensor and a radiation transmitter, and the radiation transmitter is connected to the radiation sensor, and the ambient temperature sensor, the wind speed sensor, the wind direction sensor and the radiation transmitter The signal output ends of the signals are respectively connected with the IO acquisition module.
所述的监控软件通过组态软件编辑，能周期性的实时显示环境中的温度、风速、和辐射，周期性的实时指示风向，周期性的实时显示光伏阵列相应组件串的电压、电流数值及曲线图，并将采集到的数据周期性的实时存储，可生成相应的数据报表。The monitoring software can periodically display the temperature, wind speed, and radiation in the environment through configuration software editing, periodically indicate the wind direction in real time, and periodically display the voltage and current values and current values of the corresponding component strings of the photovoltaic array in real time. Graphs, and periodically store the collected data in real time, and generate corresponding data reports.
本实用新型中的温度传感器采用耐候温度传感器，用于检测光伏组件温度。The temperature sensor in the utility model adopts a weather-resistant temperature sensor for detecting the temperature of the photovoltaic module.
本实用新型中的电压传感器采用隔离式电压传感器，用于采集光伏发电系统直流电压。The voltage sensor in the utility model adopts an isolated voltage sensor, which is used to collect the DC voltage of the photovoltaic power generation system.
本实用新型中的电流传感器采用隔离式电流传感器，用于采集光伏发电系统直流电流。The current sensor in the utility model adopts an isolated current sensor, which is used to collect the direct current of the photovoltaic power generation system.
本实用新型中的温度巡检仪周期采集温度信号。The temperature inspection instrument in the utility model periodically collects temperature signals.
本实用新型中的电压巡检仪周期采集电压信号。The voltage patrol instrument in the utility model periodically collects voltage signals.
本实用新型中的电流巡检仪周期采集电流信号。The current patrol instrument in the utility model periodically collects current signals.
本实用新型中的IO采集模块采集各环境检测仪、温度巡检仪、电压巡检仪、电流巡检仪的信号。The IO acquisition module in the utility model collects the signals of various environmental detectors, temperature inspectors, voltage inspectors, and current inspectors.
本实用新型中的上位机采用笔记本电脑，配置无线鼠标，便于现场测试。The upper computer in the utility model adopts a notebook computer and is equipped with a wireless mouse, which is convenient for on-site testing.
本实用新型中的485-232通讯模块，用于IO采集模块与上位机的通讯。The 485-232 communication module in the utility model is used for the communication between the IO acquisition module and the upper computer.
本实用新型中的监控软件采用组态软件编辑，监控软件功能包括：温度、电压、电流、风速数据实时显示，电压、电流实时曲线，指针式风向标识，数据存储、查询功能，报表生成功能，另外可根据实际需求利用组态软件增加新功能，软件升级维护方便。The monitoring software in the utility model is edited by configuration software. The functions of the monitoring software include: real-time display of temperature, voltage, current, and wind speed data, real-time curves of voltage and current, pointer-type wind direction identification, data storage and query functions, and report generation functions. In addition, the configuration software can be used to add new functions according to actual needs, and the software upgrade and maintenance are convenient.
本实用新型的工作过程原理是：电压监测使用隔离式直流电压传感器测量电压并将电压值转换为标准的电压信号输出，再通过多路巡检仪按一定周期巡检多路电压传感器并将信号输出给IO采集模块；电流监测使用霍尔电流传感器测量电流将电流值转换为标准的电压信号输出，再通过多路巡检按一定周期巡检多路电流传感器并将信号输出给IO采集模块；温度监测使用PT100温度传感器，通过多路巡检仪按一定周期巡检多路温度传感器并将信号输出给IO采集模块；环境监测仪监测数据包括大气温度监测、风速监测、风向监测、太阳辐射监测，分别使用环境温度传感器、风速传感器、风向传感器、太阳辐射传感器，其中太阳辐射传感器增加变送器将非标信号转为标准的电压信号，将以上信号输出给IO采集模块。IO采集模块将采集到的信号通过485总线输出；上位机通过485-232通讯模块采集IO采集模块的数据。上位机采用Windows XP操作系统，加载工控软件，通过工控软件开发了一个子程序，具有采集、显示、存储功能，对小型光伏发电系统相关数据进行实时监控，显示温度、风速、电压、电流实时值，显示风向指针图，显示电压、电流实时曲线图表，可存储监测的数据，可形成日、月、年报表。The working process principle of the utility model is: the voltage monitoring uses an isolated DC voltage sensor to measure the voltage and converts the voltage value into a standard voltage signal output, and then the multi-channel inspection instrument inspects the multi-channel voltage sensor according to a certain period and sends the signal Output to the IO acquisition module; current monitoring uses the Hall current sensor to measure the current and convert the current value into a standard voltage signal output, and then inspect the multi-channel current sensor according to a certain period through multi-channel inspection and output the signal to the IO acquisition module; Temperature monitoring uses a PT100 temperature sensor, and the multi-channel inspection instrument inspects the multi-channel temperature sensor in a certain period and outputs the signal to the IO acquisition module; the monitoring data of the environmental monitoring instrument includes atmospheric temperature monitoring, wind speed monitoring, wind direction monitoring, and solar radiation monitoring , respectively use the ambient temperature sensor, wind speed sensor, wind direction sensor, and solar radiation sensor, among which the solar radiation sensor adds a transmitter to convert the non-standard signal into a standard voltage signal, and output the above signal to the IO acquisition module. The IO acquisition module outputs the collected signals through the 485 bus; the host computer collects the data of the IO acquisition module through the 485-232 communication module. The upper computer adopts Windows XP operating system, loads industrial control software, and develops a subroutine through industrial control software, which has the functions of collection, display and storage, and performs real-time monitoring of relevant data of small photovoltaic power generation systems, and displays real-time values of temperature, wind speed, voltage and current , display the wind direction pointer map, display the voltage and current real-time curve charts, can store the monitored data, and can form daily, monthly and annual reports.
上述传感器、变送器、巡检仪、采集模块的直流电源均由24V开关电源提供；各传感器、变送器、采集模块使用屏蔽通讯信号线连接；变送器、巡检仪、采集模块、开关电源、接线端子排、485-232通讯模块均集成于一只四方便携电箱，并留出电源及线缆接口；上位机采用工控机或笔记本电脑。The DC power supply of the above-mentioned sensors, transmitters, inspection instruments, and acquisition modules is provided by a 24V switching power supply; the sensors, transmitters, and acquisition modules are connected by shielded communication signal lines; the transmitters, inspection instruments, acquisition modules, Switching power supply, terminal blocks, and 485-232 communication modules are all integrated into a four-portable electric box, and power supply and cable interfaces are reserved; the upper computer adopts an industrial computer or a notebook computer.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149919A (en) * | 2013-03-26 | 2013-06-12 | 中国科学院广州能源研究所 | Configuration-control-based solar power station monitoring system |
| CN104091435A (en) * | 2014-06-23 | 2014-10-08 | 航天科工深圳（集团）有限公司 | Photovoltaic device and master station data communicating method and photovoltaic power generation system |
| CN106323357A (en) * | 2015-06-17 | 2017-01-11 | 山东耀通节能环保科技股份有限公司 | Environmental monitoring system of solar power generation |
| CN106958794A (en) * | 2017-04-03 | 2017-07-18 | 重庆大学 | It is a kind of can monitoring effect integrated photovoltaic driving underground space gravity-flow ventilation and lighting equipment and its regulation and control method |
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2012
- 2012-05-09 CN CN201220207418.6U patent/CN202793450U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149919A (en) * | 2013-03-26 | 2013-06-12 | 中国科学院广州能源研究所 | Configuration-control-based solar power station monitoring system |
| CN103149919B (en) * | 2013-03-26 | 2015-10-28 | 中国科学院广州能源研究所 | A kind of solar power station supervisory system based on Combining soft control |
| CN104091435A (en) * | 2014-06-23 | 2014-10-08 | 航天科工深圳（集团）有限公司 | Photovoltaic device and master station data communicating method and photovoltaic power generation system |
| CN106323357A (en) * | 2015-06-17 | 2017-01-11 | 山东耀通节能环保科技股份有限公司 | Environmental monitoring system of solar power generation |
| CN106958794A (en) * | 2017-04-03 | 2017-07-18 | 重庆大学 | It is a kind of can monitoring effect integrated photovoltaic driving underground space gravity-flow ventilation and lighting equipment and its regulation and control method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |