CN204928748U - A monitor control system for photovoltaic power plant - Google Patents
A monitor control system for photovoltaic power plant Download PDFInfo
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- CN204928748U CN204928748U CN201520597963.4U CN201520597963U CN204928748U CN 204928748 U CN204928748 U CN 204928748U CN 201520597963 U CN201520597963 U CN 201520597963U CN 204928748 U CN204928748 U CN 204928748U
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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
Abstract
The utility model discloses a monitor control system for photovoltaic power plant, including monitoring devices and monitor terminal, wherein monitoring devices includes light detection module, orientation module, inclination detection module, conversion module, data acquisition module, control module, transport module, light detection module sets up photovoltaic array's in photovoltaic power plant surface, conversion module links to each other respectively with light detection module, inclination detection module, data acquisition module is used for gathering, control module links to each other with data acquisition module for obtain photovoltaic array surface light coverage and inclination, locating information, transport module is with photovoltaic array surface light coverage and inclination, location message routing to monitor terminal, monitor terminal is used for showing. The utility model discloses simple structure, operation improve whole grid -connected PV power generation system's ride quality, reasonable adjustment inclination reliably, effectively for thereby photovoltaic module receives the utilization ratio that more light improve light.
Description
Technical field
The utility model relates to a kind of monitor control system for photovoltaic plant, belongs to the technical field of photovoltaic plant control system.
Background technology
Photovoltaic plant refers to and to be connected and the photovoltaic generating system transmitted electric power to electrical network with electrical network, belongs to the green energy resource project that country encourages.Can be divided into band storage battery and grid-connected system not with storage battery.Solar power generation is divided into photo-thermal power generation and photovoltaic generation.The solar power generation of usual theory refers to solar energy power generating.
At present, the design of photovoltaic plant comprises the design to electric power station system efficiency, and the layout design of photovoltaic array in photovoltaic plant.In photovoltaic plant, be often furnished with multiple photovoltaic array, each photovoltaic array is made up of several photovoltaic modulies, and photovoltaic module is connected by multiple photovoltaic battery panel and formed.Solar energy can be changed into direct current energy through photovoltaic effect by its photovoltaic battery panel, but the general not residential usage of some stream that one piece of photovoltaic panel can produce, so several piece photovoltaic module is linked together and defines array.Photovoltaic array can utilize inverter to become alternating current for use DC conversion.
Due to, independent photovoltaic battery panel because output voltage is low, electric current is little, and power is little and can not use on a large scale, actual use in use photovoltaic module more.Photovoltaic module is that photovoltaic battery panel forms the energy conversion device having relatively high power and export after reasonable connection in series-parallel.
Although photovoltaic cell is nonlinear circuit, when but multiple battery of the same race is in same operating state, each output is specific and identical, now just can regard linear system as and meet principle of stacking, and therefore the fundamental property of photovoltaic module and photovoltaic cell do not have large difference.When scale uses, usually multiple assembly of the same race is linked together by rational connection in series-parallel and form high voltage, big current, powerful power source, be used in the projects such as various photovoltaic plant, photovoltaic roof.
Therefore, can know that photovoltaic array is the connection of multi-disc photovoltaic module, be also the connection of more photovoltaic cells, and photovoltaic array is the photovoltaic generating system of maximum-norm.
Although the prediction that current existing photovoltaic system design software and simulation software carry out based on the historical data before project construction.But in photovoltaic power station system, still existing defects.In existing photovoltaic plant, cannot detect in real time the light coverage of photovoltaic array, and fail to detect in conjunction with the inclination angle of photovoltaic array, the impact of light coverage on photovoltaic plant current collection cannot be known, Real-Time Monitoring is carried out in generating efficiency after cannot building up for photovoltaic plant and impact, can not meet efficiency analysis and the power optimization demand in construction and high-efficiency photovoltaic power station.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, a kind of monitor control system for photovoltaic plant is provided, solve existing photovoltaic power station system and cannot know the impact of light coverage on photovoltaic plant current collection, the problem of Real-Time Monitoring is carried out in the generating efficiency after cannot building up for photovoltaic plant and impact.
The utility model specifically solves the problems of the technologies described above by the following technical solutions:
For a monitor control system for photovoltaic plant, comprise monitoring device and monitoring terminal, wherein monitoring device comprises light detection module, locating module, inclination angle detection module, modular converter, data acquisition module, control module, transport module; Described light detection module is arranged at the surface of photovoltaic array in photovoltaic plant, and the light for photovoltaic array surface in detecting obtains light analog signal; Described inclination angle detection module is installed on the base of photovoltaic array, for detecting acquisition inclination angle, the inclination angle analog signal of photovoltaic array; Described locating module is arranged on photovoltaic array, for obtaining framing signal to the location, position of photovoltaic array; Described modular converter, is connected respectively with light detection module, inclination angle detection module, for converting described light analog signal and inclination angle analog signal to digital signal; Described data acquisition module, is connected with modular converter, locating module, for gathering digital signal and framing signal; Described control module, is connected with data acquisition module, for obtaining photovoltaic array surface light coverage and inclination angle, locating information according to digital signal and framing signal, and generates control signal; Described transport module is connected with control module, for described photovoltaic array surface light coverage and inclination angle, locating information being sent to monitoring terminal according to control signal; Described monitoring terminal is for showing received photovoltaic array surface light coverage and inclination angle, locating information.
Further, as a kind of optimal technical scheme of the present utility model: also comprise temperature detecting module, described temperature detecting module is connected with modular converter.
Further, as a kind of optimal technical scheme of the present utility model: also comprise humidity detecting module, described humidity detecting module is connected with modular converter.
Further, as a kind of optimal technical scheme of the present utility model: described light detection module adopts light sensor.
Further, as a kind of optimal technical scheme of the present utility model: described inclination angle detection module adopts obliquity sensor.
Further, as a kind of optimal technical scheme of the present utility model: described transport module is Bluetooth communication modules or infrared transmission module or GPRS transmission module.
The utility model adopts technique scheme, can produce following technique effect:
(1), monitor control system for photovoltaic plant provided by the utility model, by setting up monitoring device in photovoltaic plant, utilize monitoring device to the light coverage of photovoltaic array on photovoltaic plant and inclination angle, locating information detects, corresponding light coverage and inclination angle is obtained after obtaining conversion, locating information, accomplish Real-Time Monitoring and upload, the system of being convenient to realizes automation, utilize intelligently system can the situation of effective monitoring photovoltaic plant, after can building up for power station, monitor based on the actual illumination condition in the operation phase, draw the difference of power station actual efficiency and each influencing factor and design influencing factor, be convenient to adjust the layout of the photovoltaic array in photovoltaic plant and position, the running quality that structure is simple, reliable, effectively improve whole grid-connected photovoltaic system, Reasonable adjustment angle of inclination, makes photovoltaic module receive more light thus improves the utilance of light.
And the utility model can also make the current collecting efficiency of photovoltaic power station system improve (2), effectively can solve existing photovoltaic power station system and cannot know the impact of light coverage on photovoltaic plant current collection, the problem of Real-Time Monitoring is carried out in generating efficiency after cannot building up for photovoltaic plant and impact, can be widely used in all kinds of photovoltaic plant.
Accompanying drawing explanation
Fig. 1 is the module diagram of the utility model for the monitor control system of photovoltaic plant.
Embodiment
Below in conjunction with Figure of description, execution mode of the present utility model is described.
As shown in Figure 1, the utility model devises a kind of monitor control system for photovoltaic plant, comprise monitoring device and monitoring terminal, wherein monitoring device comprises light detection module, locating module, inclination angle detection module, modular converter, data acquisition module, control module, transport module; Described light detection module is arranged at the surface of photovoltaic array in photovoltaic plant, and the light for photovoltaic array surface in detecting obtains light analog signal; Described inclination angle detection module is installed on the base of photovoltaic array, for detecting acquisition inclination angle, the inclination angle analog signal of photovoltaic array; Described locating module is arranged on photovoltaic array, for obtaining framing signal to the location, position of photovoltaic array; Described modular converter, is connected respectively with light detection module, inclination angle detection module, for converting described light analog signal and inclination angle analog signal to digital signal; Described data acquisition module, is connected with modular converter, locating module, for gathering digital signal and framing signal; Described control module, is connected with data acquisition module, for obtaining photovoltaic array surface light coverage and inclination angle, locating information according to digital signal and framing signal, and generates control signal; Described transport module is connected with control module, for described photovoltaic array surface light coverage and inclination angle, locating information being sent to monitoring terminal according to control signal; Described monitoring terminal is for showing received photovoltaic array surface light coverage and inclination angle, locating information.Wherein, described transport module can be dual transfer mode, and can receive the querying command of monitoring terminal, performs control after input control module.
Thus, by setting up monitoring device in photovoltaic plant, monitoring device is utilized to detect the light coverage of photovoltaic array on photovoltaic plant and inclination angle, locating information and obtain, accomplish Real-Time Monitoring and upload, the system of being convenient to realizes automation, utilizes intelligently system can the situation of effective monitoring photovoltaic plant.
Further, system is in monitor procedure, and in order to better obtain the on-the-spot weather condition of photovoltaic plant, system is all right
Comprise temperature detecting module, described temperature detecting module is connected with modular converter.Utilize the temperature of temperature detecting module to photovoltaic plant to detect, obtain temperature analog signal, convert to after digital signal through modular converter, obtain temperature value by data collecting module collected.
Similarly, system can also preferably include humidity detecting module, and described humidity detecting module is connected with modular converter.Utilize the humidity of humidity detecting module to photovoltaic plant to detect, obtain humidity simulation signal, convert to after digital signal through modular converter, obtain humidity value by data collecting module collected.Wherein modular converter can be divided into concrete multiple converting units, also can adopt an integrated modular converter structure, realize the conversion of analog signal to digital signal.
In system, described light detection module preferably can adopt light sensor, and it utilizes light-sensitive element light signal to be converted to the transducer of the signal of telecommunication, and its sensitive wave length, near visible wavelength, comprises Infrared wavelength and ultraviolet wavelength.And light sensor can adopt antistatic bag to encapsulate, in the process used, be arranged in the surface of photovoltaic array, can arrange one or more, light is detected more comprehensively with reliable.
And, described inclination angle detection module preferably can adopt obliquity sensor, SCA121T2 axial rake module can be adopted, be arranged on photovoltaic array datum axle, usually, the base of photovoltaic array to realize photovoltaic module level and vertical direction simultaneously to automatic sun tracking, thus ensures that the tabula rasa surface moment is vertical with sunray by driving two stepping motors, receives solar energy to greatest extent.Axial rake module then detects its photovoltaic array datum axle, obtains its angle of inclination, thus, automatic tracking system can pass through real-time tracking angle of inclination, thus improve photovoltaic system energy output.
System is when realizing transmission, and described transport module can be Bluetooth communication modules or infrared transmission module or GPRS transmission module.Utilize Radio Transmission Technology, realize reliable and stable transmission.
Each electronic module disclosed in the present embodiment, can realize with electronic hardware module, generally describe composition and the annexation of each example in the above description according to function.Particularly, the computing of described electronic hardware module and control section can dredging collateral logic hardware realize, and it can be use the produced logical integrated circuit of existing integrated circuit technology, and the present embodiment is not construed as limiting this.
Further, in the utility model, all adopt electronic hardware module, utilize technology for detection commonly known in the art, transmission and process, output.Electronic hardware module is not made improvements itself, also do not also have specific method flow.The correlation module related in the utility model and the function of realization thereof be hardware after improvement and formation thereof device on carry computer software programs conventional in prior art or pertinent protocols just can realize, be not that computer software programs of the prior art or pertinent protocols are improved.Innovation of the present utility model is the improvement of hardware module in prior art and connects syntagmatic, but not be in hardware module for realizing the improvement of software or the agreement of carrying about function.
To sum up, monitor control system for photovoltaic plant provided by the utility model, by setting up monitoring device in photovoltaic plant, monitor based on the actual illumination condition in the operation phase, draw the difference of power station actual efficiency and each influencing factor and design influencing factor, be convenient to adjust the layout of the photovoltaic array in photovoltaic plant and position, the current collecting efficiency of photovoltaic power station system is improved.The running quality that structure is simple, reliable, effectively improve whole grid-connected photovoltaic system, Reasonable adjustment angle of inclination, makes photovoltaic module receive more light thus improves the utilance of light.Thus, can be widely used in all kinds of photovoltaic plant.
By reference to the accompanying drawings execution mode of the present utility model is explained in detail above, but the utility model is not limited to above-mentioned execution mode, in the ken that those of ordinary skill in the art possess, can also make a variety of changes under the prerequisite not departing from the utility model aim.
Claims (6)
1. the monitor control system for photovoltaic plant, it is characterized in that, comprise monitoring device and monitoring terminal, wherein monitoring device comprises light detection module, locating module, inclination angle detection module, modular converter, data acquisition module, control module, transport module; Described light detection module is arranged at the surface of the photovoltaic array in photovoltaic plant, obtains light analog signal for the light detecting photovoltaic array surface; Described inclination angle detection module is installed on the base of photovoltaic array, for detecting acquisition inclination angle, the inclination angle analog signal of photovoltaic array; Described locating module is arranged on photovoltaic array, for obtaining framing signal to the location, position of photovoltaic array; Described modular converter, is connected respectively with light detection module, inclination angle detection module, for converting described light analog signal and inclination angle analog signal to digital signal; Described data acquisition module, is connected with modular converter, locating module, for gathering digital signal and framing signal; Described control module, is connected with data acquisition module, for obtaining photovoltaic array surface light coverage and inclination angle, locating information according to digital signal and framing signal, and generates control signal; Described transport module is connected with control module, for described photovoltaic array surface light coverage and inclination angle, locating information being sent to monitoring terminal according to control signal; Described monitoring terminal is for showing received photovoltaic array surface light coverage and inclination angle, locating information.
2. according to claim 1 for the monitor control system of photovoltaic plant, it is characterized in that: also comprise temperature detecting module, described temperature detecting module is connected with modular converter.
3. according to claim 1 for the monitor control system of photovoltaic plant, it is characterized in that: also comprise humidity detecting module, described humidity detecting module is connected with modular converter.
4. according to claim 1 for the monitor control system of photovoltaic plant, it is characterized in that: described light detection module adopts light sensor.
5. according to claim 1 for the monitor control system of photovoltaic plant, it is characterized in that: described inclination angle detection module adopts obliquity sensor.
6. according to claim 1 for the monitor control system of photovoltaic plant, it is characterized in that: described transport module is Bluetooth communication modules or infrared transmission module or GPRS transmission module.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737889A (en) * | 2016-01-17 | 2016-07-06 | 国家电网公司 | Solar energy resource monitoring system based on Beidou satellite system |
| CN106251746A (en) * | 2016-08-22 | 2016-12-21 | 朱凌 | A kind of portable light overhead utility analog meter operation control system |
| CN106404061A (en) * | 2016-08-31 | 2017-02-15 | 天津天大求实电力新技术股份有限公司 | Solar energy photovoltaic power station monitoring system |
| CN106448101A (en) * | 2016-09-09 | 2017-02-22 | 珠海格力电器股份有限公司 | Photovoltaic array monitoring system and method |
| CN108494364A (en) * | 2018-04-09 | 2018-09-04 | 珠海格力电器股份有限公司 | A kind of photovoltaic module temperature monitoring system and method |
| CN109672861A (en) * | 2018-12-17 | 2019-04-23 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Photovoltaic plant running environment detection device |
| CN111342767A (en) * | 2020-02-24 | 2020-06-26 | 国网浙江嘉善县供电有限公司 | Photovoltaic maximum power point tracking automatic control system and method thereof |
| CN112964294A (en) * | 2021-01-29 | 2021-06-15 | 中清能源(杭州)有限公司 | Monitoring system for photovoltaic power station |
-
2015
- 2015-08-11 CN CN201520597963.4U patent/CN204928748U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737889A (en) * | 2016-01-17 | 2016-07-06 | 国家电网公司 | Solar energy resource monitoring system based on Beidou satellite system |
| CN106251746A (en) * | 2016-08-22 | 2016-12-21 | 朱凌 | A kind of portable light overhead utility analog meter operation control system |
| CN106251746B (en) * | 2016-08-22 | 2022-04-29 | 杭州澳宇自动化设备有限公司 | Portable photovoltaic power plant analog instrument operation control system |
| CN106404061A (en) * | 2016-08-31 | 2017-02-15 | 天津天大求实电力新技术股份有限公司 | Solar energy photovoltaic power station monitoring system |
| CN106448101A (en) * | 2016-09-09 | 2017-02-22 | 珠海格力电器股份有限公司 | Photovoltaic array monitoring system and method |
| CN108494364A (en) * | 2018-04-09 | 2018-09-04 | 珠海格力电器股份有限公司 | A kind of photovoltaic module temperature monitoring system and method |
| CN109672861A (en) * | 2018-12-17 | 2019-04-23 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Photovoltaic plant running environment detection device |
| CN111342767A (en) * | 2020-02-24 | 2020-06-26 | 国网浙江嘉善县供电有限公司 | Photovoltaic maximum power point tracking automatic control system and method thereof |
| CN112964294A (en) * | 2021-01-29 | 2021-06-15 | 中清能源(杭州)有限公司 | Monitoring system for photovoltaic power station |
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