CN201414086Y - WSN sensor node device of solar photovoltaic module - Google Patents
WSN sensor node device of solar photovoltaic module Download PDFInfo
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- CN201414086Y CN201414086Y CN2009200442603U CN200920044260U CN201414086Y CN 201414086 Y CN201414086 Y CN 201414086Y CN 2009200442603 U CN2009200442603 U CN 2009200442603U CN 200920044260 U CN200920044260 U CN 200920044260U CN 201414086 Y CN201414086 Y CN 201414086Y
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- photovoltaic module
- sampling circuit
- sensor node
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- solar photovoltaic
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model discloses a WSN sensor node device of a solar photovoltaic module, belonging to the technical field of a solar photovoltaic power station. The WSN sensor node device comprises a JN5139 wireless microcontroller, also comprises a bypass diode current sampling circuit, a photovoltaic module voltage sampling circuit, a photovoltaic module current sampling circuit, a DS1302 clock chip, an antenna of a wireless chip, a programming interface circuit of the wireless chip and a node working power circuit which are respectively connected with the wireless microcontroller. The utility model provides an intelligent WSN sensor node of the solar photovoltaic module matched with a WSN device, which has timely feedback on the working environment and state information of various photovoltaic modules for the solar photovoltaic power station, can provide a large amount of internal information for the fault diagnosis of the photovoltaic power station, solves the problems of high cost anddifficult construction of the cable owing to the existence of a large amount of measuring points, and solves the problems of low sensitivity and difficult positioning for electrical parameters monitoring in a photovoltaic array.
Description
Technical field
The utility model relates to the WSN sensor node technical field of solar photovoltaic assembly in the wireless sensor network system of solar photovoltaic power plant technical field, particularly photovoltaic plant.
Background technology
In today that the energy reduces day by day, solar energy power generating more and more is subjected to people's attention.Along with the construction of the various solar electricity generation fields in various places in recent years, the development of world's solar power generation industry explosion type.Some solar energy electric field of Germany in 2006 the part photovoltaic module occurred owing to being blocked or environmental factor is burnt the accident of terminal box, and also there is very big problem in this reliability that shows photovoltaic module.The solar energy photovoltaic array is in running, and the open circuit of the local fault of standard rectangular cell panel, particularly cell panel, short circuit or decreased performance can make whole electric power system output voltage or power significantly decrease.Meeting chain-react when serious, thus whole system operation destroyed.Owing to reasons such as component package technologies, after photovoltaic module moved the several years, regional area wore out because of the infiltration of pore or diffusion in the practical application, made that the part battery in the assembly damages, and influenced system's output.The fast development of China's solar-photovoltaic technology recent years, more solar photovoltaic power plant puts into operation, and this problem of initial operating stage is not clearly, and along with the operation of several years, this problem will be more outstanding.By design and programming to the sensor node of the wireless sensor network of low-cost assembly, for the failure diagnosis of photovoltaic plant provides a large amount of internal informations, high and the constructional difficulties problem of cable cost appears in the existence that can solve because of big measuring point, can solve the low and location difficulty problem of sensitivity of electric parameter monitoring in the photovoltaic array.On the basis of securing component information, by real-time detection, historical storage, statistics and reasoning to the characteristic of photovoltaic module, thereby can accurately diagnose and locate, prevent the further expansion of fault, the reliability and the power supply quality that improve the photovoltaic plant power supply are significant.
The utility model content
The purpose of this utility model is for can in time feeding back the WSN sensor node apparatus of the supporting intelligent solar photovoltaic module of the wireless sensor network apparatus of each photovoltaic module operational environment, state information for solar photovoltaic power plant.
The utility model comprises the wireless microcontroller of JN5139, and the bypass diode current sampling circuit that is connected with described wireless microcontroller respectively, photovoltaic module voltage sampling circuit, photovoltaic module current sampling circuit, DS1302 clock chip, the antenna of wireless chip, the DLL (dynamic link library) circuit and the node working power circuit of wireless chip.
The utility model is by obtaining parameters such as bypass diode electric current, assembly electric current and component voltage, sensor node provides a large amount of internal informations for the failure diagnosis of photovoltaic plant, high and the constructional difficulties problem of cable cost appears in the existence that solves because of big measuring point, solves the low and location difficulty problem of sensitivity of electric parameter monitoring in the photovoltaic array.By real-time detection, historical storage, statistics and the reasoning to the characteristic of photovoltaic module, thereby can accurately diagnose and locate, prevent the further expansion of fault, the reliability and the power supply quality that improve the photovoltaic plant power supply are significant.
Adopt 0.01 ohm manganese-copper filament resistance in the bypass diode current sampling circuit described in the utility model, the differential amplifier that sampling current is made up of integrated operatinoal amplifier OP07 and peripheral circuit carries out the AD converter that signal amplifies the wireless microcontroller of back input JN5139.
Insert the AD converter of the wireless microcontroller of JN5139 in the described photovoltaic module voltage sampling circuit behind the employing divider resistance securing component voltage signal.
The AD converter of the wireless microcontroller of input JN5139 behind the current signal of employing Hall DC current sensor TBC10SY and sample resistance securing component in the described photovoltaic module current sampling circuit.
Description of drawings
Fig. 1 is the utility model structured flowchart.
Fig. 2 is a kind of fundamental diagram of the present utility model.
Embodiment
As shown in Figure 1, 2, the DLL (dynamic link library) circuit 7 of the antenna 6 of bypass diode current sampling circuit 1, photovoltaic module voltage sampling circuit 2, photovoltaic module current sampling circuit 3, DS1302 clock chip 5, wireless chip, wireless chip is connected with the wireless microcontroller 4 of JN5139 respectively with node working power circuit 8.
Adopt 0.01 ohm manganese-copper filament resistance R 11 in the bypass diode current sampling circuit 1, the differential amplifier that sampling current is made up of integrated operatinoal amplifier OP07 and peripheral circuit carries out the AD converter interface ADC3 that signal amplifies the wireless microcontroller 4 of back input JN5139.
Insert the AD converter interface ADC1 of the wireless microcontroller 4 of JN5139 in the photovoltaic module voltage sampling circuit 2 behind the employing divider resistance R13 securing component voltage signal.
The AD converter interface ADC2 of the wireless microcontroller 4 of input JN5139 behind the current signal of employing Hall DC current sensor TBC10SY and sample resistance R15 securing component in the photovoltaic module current sampling circuit 3.
Adopt 5 pairs of samplings of DS1302 clock chip to carry out timing.
Claims (4)
1, the WSN sensor node apparatus of solar photovoltaic assembly, it is characterized in that comprising the wireless microcontroller of JN5139, and the bypass diode current sampling circuit that is connected with described wireless microcontroller respectively, photovoltaic module voltage sampling circuit, photovoltaic module current sampling circuit, DS1302 clock chip, the antenna of wireless chip, the DLL (dynamic link library) circuit and the node working power circuit of wireless chip.
2, the WSN sensor node apparatus of solar photovoltaic assembly according to claim 1, it is characterized in that adopting in the described bypass diode current sampling circuit 0.01 ohm manganese-copper filament resistance, the differential amplifier that sampling current is made up of integrated operatinoal amplifier OP07 and peripheral circuit carries out the AD converter that signal amplifies the wireless microcontroller of back input JN5139.
3, the WSN sensor node apparatus of solar photovoltaic assembly according to claim 1 is characterized in that in the described photovoltaic module voltage sampling circuit adopting the AD converter that inserts the wireless microcontroller of JN5139 behind the divider resistance securing component voltage signal.
4, the WSN sensor node apparatus of solar photovoltaic assembly according to claim 1 is characterized in that in the described photovoltaic module current sampling circuit adopting the AD converter of the wireless microcontroller of input JN5139 behind the current signal of Hall DC current sensor TBC10SY and sample resistance securing component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200442603U CN201414086Y (en) | 2009-06-01 | 2009-06-01 | WSN sensor node device of solar photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200442603U CN201414086Y (en) | 2009-06-01 | 2009-06-01 | WSN sensor node device of solar photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201414086Y true CN201414086Y (en) | 2010-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009200442603U Expired - Fee Related CN201414086Y (en) | 2009-06-01 | 2009-06-01 | WSN sensor node device of solar photovoltaic module |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101958665A (en) * | 2010-08-23 | 2011-01-26 | 吕纪坤 | Monitoring method of junction box for photovoltaic module |
| CN102195342A (en) * | 2010-03-19 | 2011-09-21 | 深圳市新天光电科技有限公司 | Photovoltaic power station assembly state real-time monitoring system |
| CN102565492A (en) * | 2010-12-13 | 2012-07-11 | 上海安科瑞电气股份有限公司 | Multifunctional DC (Direct Current) meter for photovoltaic system |
| CN102841301A (en) * | 2012-09-27 | 2012-12-26 | 常州旭能新能源科技有限公司 | Photovoltaic assembly monitoring system |
| CN103308091A (en) * | 2013-05-17 | 2013-09-18 | 南京航空航天大学 | Universal interface of wireless sensor |
| CN103548257A (en) * | 2011-03-02 | 2014-01-29 | 弗劳恩霍弗实用研究促进协会 | Method for testing the quality of a photovoltaic solar cell, solar cell module and method for producing a photovoltaic solar cell |
-
2009
- 2009-06-01 CN CN2009200442603U patent/CN201414086Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102195342A (en) * | 2010-03-19 | 2011-09-21 | 深圳市新天光电科技有限公司 | Photovoltaic power station assembly state real-time monitoring system |
| CN101958665A (en) * | 2010-08-23 | 2011-01-26 | 吕纪坤 | Monitoring method of junction box for photovoltaic module |
| CN101958665B (en) * | 2010-08-23 | 2012-07-18 | 吕纪坤 | Monitoring method of junction box for photovoltaic module |
| CN102565492A (en) * | 2010-12-13 | 2012-07-11 | 上海安科瑞电气股份有限公司 | Multifunctional DC (Direct Current) meter for photovoltaic system |
| CN103548257A (en) * | 2011-03-02 | 2014-01-29 | 弗劳恩霍弗实用研究促进协会 | Method for testing the quality of a photovoltaic solar cell, solar cell module and method for producing a photovoltaic solar cell |
| CN103548257B (en) * | 2011-03-02 | 2016-12-28 | 弗劳恩霍弗实用研究促进协会 | For photovoltaic solar cell being carried out the method for quality examination, solar module and for the method manufacturing photovoltaic solar cell |
| CN102841301A (en) * | 2012-09-27 | 2012-12-26 | 常州旭能新能源科技有限公司 | Photovoltaic assembly monitoring system |
| CN103308091A (en) * | 2013-05-17 | 2013-09-18 | 南京航空航天大学 | Universal interface of wireless sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100224 Termination date: 20120601 |