CN201540488U - All-weather adaptive single-shaft solar tracking system - Google Patents
All-weather adaptive single-shaft solar tracking system Download PDFInfo
- Publication number
- CN201540488U CN201540488U CN2009202556505U CN200920255650U CN201540488U CN 201540488 U CN201540488 U CN 201540488U CN 2009202556505 U CN2009202556505 U CN 2009202556505U CN 200920255650 U CN200920255650 U CN 200920255650U CN 201540488 U CN201540488 U CN 201540488U
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- China
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- microprocessor
- weather
- video camera
- photovoltaic array
- tracking system
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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 an all-weather adaptive single-shaft solar tracking system. The system comprises an image recognition module, a control circuit module, a mechanical drive tracking control circuit, a sensor and a photovoltaic array, wherein the image recognition module is made by connecting a video camera with a computer in series, the control circuit module consists of a microprocessor, and the mechanical drive tracking control circuit comprises an anemometer, a frequency converter, a motor and a speed governing mechanism. In the utility model, image recognition and image processing techniques are used in the solar tracking system, and the posture of a solar cell panel is accurately controlled by the microprocessor through analyzing images gathered by the video camera. The adaptability of the photovoltaic array under all weather, particularly severe weather conditions can be improved on the condition of realizing all-weather sun tracking and improving solar utilization efficiency. The automatic recognition efficiency of photovoltaic station failure and shelters is increased. The tracking system also performs an anti-theft function. The safety and the reliability of photovoltaic stations are enhanced.
Description
Technical field
The utility model relates to solar photovoltaic technology, be particularly related to a kind of solar panel all-weather self-adaptive single-axis tracker that is used to follow the tracks of sun operation and angle of radiation, can be widely used in independent photovoltaic power station, ground and large-scale grid-connected photovoltaic power station.
Background technology
At global warming, under the urgent situation of Ecological environment worsening and conventional energy resources shortage of resources of being brought along with social economy's high speed development and environmental pollution, the development and use of accelerating regenerative resource become important channel and the measure that solves the energy and environmental problem.Sun power is the abundantest regenerative resource of resource, has special advantages and huge development and use potentiality, and solar energy power generating has been subjected to the attention and the support of national governments in recent years as a kind of continuable energy substitution mode, has obtained developing rapidly.
But because sun power density is low, have characteristics intermittent and that space distribution constantly changes, fixed solar panel can't be followed the variation of position of sun, can't guarantee the vertical all the time solar panel of sunshine, photoelectric transformation efficiency is low, so solar tracking system arises at the historic moment.According to measuring and calculating, in the solar energy generating, under the same terms, single shaft is from the generated energy raising about 20～35% of motion tracking generating set than stationary power generation equipment.Therefore in sun power utilizes, carry out round-the-clock, adaptive tracing and be very important.Solar energy tracking control method commonly used mainly contains at the uniform velocity control method, light intensity control method and space-time control method etc., and the mode that adopts electronic control system and mechanical system to combine is carried out the track and localization of the sun.But this class tracker cost is higher, energy consumption is bigger, and has certain limitation, anti-accumulated snow covers and utilizes function such as rainwater cleaning assembly especially to descend at inclement weather (as strong wind, rain, snow etc.) and environmental baseline, can not effectively carry out tracking Control automatically, under severe weather conditions because tracker reaction is untimely even can cause the damage of solar battery array; Chang Gui tracker can not in time be monitored solar array tracking Control effect and be discerned solar battery fault and shelter automatically in addition, has influenced the utilization ratio of sun power to a certain extent, has limited the promotion and application of solar tracking system.
The utility model content
At the problems referred to above, the utility model provides a kind of all-weather self-adaptive single-axis solar tracking system, this system energy consumption is low, can under severe weather conditions, carry out the tracking of high-efficiency high-accuracy, and real-time monitoring, fault and shelter identification with tracking Control effect are reported to the police, anti-accumulated snow covers and utilize function such as rainwater cleaning assembly.
A kind of all-weather self-adaptive single-axis solar tracking system, it is characterized in that comprising picture recognition module, control circuit module, mechanical drive tracking Control module, sensor and photovoltaic array, wherein picture recognition module is made of video camera serial connection computing machine, control circuit module is made of microprocessor, mechanical drive tracking Control module comprises anemoscope, frequency converter, motor and speed adjusting gear, the image information of camera acquisition photovoltaic array, the input end of the output termination microprocessor of computing machine, the output terminal of microprocessor is connected in series frequency converter successively, link to each other with solar cell array main shaft in the photovoltaic array behind motor and the speed adjusting gear, anemoscope and sensor are arranged in the photovoltaic array, the output termination input end and computer of anemoscope, the input end of the output termination microprocessor of sensor.
Described a kind of all-weather self-adaptive single-axis solar tracking system, it is characterized in that the video camera in the described picture recognition module can also be shared with the power station safety-protection system, safety-protection system also comprises Surveillance center, the output terminal of described video camera connects Surveillance center and input end and computer respectively, the input end of the output termination Surveillance center of computing machine.
Described a kind of all-weather self-adaptive single-axis solar tracking system is characterized in that also being connected in series frequency converter between described microprocessor and the motor.
The technical scheme that its technical matters that solves the utility model adopts is that image acquisition, image recognition are combined with mechanical system with image processing system, microprocessor electronic control system, by the built-in position of sun calculation procedure control of microprocessor motor action, accurately follow the tracks of the hour angle of the sun; The image information identification rain of the photovoltaic array field by camera acquisition, snow weather, in conjunction with anemoscope monitoring wind speed information, the real-time analysis weather conditions, according to weather conditions, automatically analyze information such as wind speed, snowfall, rainwater speed and angle, when wind speed has influence on solar panel safe than conference, in time control the tracker action by microprocessor system and take safeguard measure; When accumulated snow covers solar module, in time control topple accumulated snow on the assembly of tracker action; Action is adjusted best angle to be beneficial to most rainwater washing away and clean solar components according to rainwater speed and angle Based Intelligent Control tracker.The attitude of the image information identification solar panel of the photovoltaic array field by camera acquisition is with real-time monitoring tracker control effect and in time find the photovoltaic array fault; The situation of blocking of the image information identification photovoltaic array of the photovoltaic array field by camera acquisition is in time found the foreign matter that blocks on the solar panel, gives the alarm and notifies the related personnel; The image monitoring of video camera combined with the safety-protection system of photovoltaic plant substitutes picture pick-up device in the safety-protection system, plays antitheft effect, reduces cost simultaneously.
Useful achievement of the present utility model is to improve photovoltaic array in the round-the-clock particularly adaptive ability under severe weather conditions in accurate tracking sun operation hour angle, strengthen the automatic recognition efficiency of fault and shelter, and can play antitheft effect, improve the sun power utilization ratio of photovoltaic plant greatly, strengthened the security and the reliability of photovoltaic plant.
Description of drawings
Fig. 1 is a system principle diagram of the present utility model.
Embodiment
For making inner characteristic of the present utility model and beneficial effect be easier to understand, it is elaborated below in conjunction with example and accompanying drawing.
Fig. 1 shows the principle flow chart of single-axis solar tracking system of the present utility model.As shown in the figure, single-shaft tracking system of the present utility model comprises video camera 1, computing machine 2, microprocessor 3, anemoscope 4, sensor 5, frequency converter 6, motor 7, speed adjusting gear 8, solar cell array main shaft 9, photovoltaic array 10, Surveillance center 11 and power station safety-protection system 12.
Described microprocessor 3 comprises single-chip microcomputer, DSP etc.
Described sensor 5 is a light sensor etc.
Video camera can be shared with power station safety-protection system 12 in the described picture recognition module, the input end of an output of described video camera termination safety-protection system Surveillance center 11.
Because the running orbit of the sun is relevant with many complicated factors such as time, season, local longitudes and latitudes, therefore at microprocessor 3 onboard clock chips and position of sun calculation procedure, above-mentioned relevant data in advance is input to tables look-up by program in the microprocessor and carry out the calculating of solar hour angle, draw the position of sun preset time, calculate then tracking means the position that should locate, deliver to processor by serial ports and send instruction control motor 7 and rotate.Because motor 7 rotating speeds are higher, at first by frequency converter 6 frequency conversion reductions of speed, increase speed adjusting gear 8 in motor 7 backs then, speed adjusting gear 8 becomes rotation into translation, the lever that promotes to link to each other with solar cell array main shaft 9 by electric pushrod rotates solar cell array main shaft 9 then, thereby accurately follow the tracks of the hour angle of the sun, sensor 5 is used to detect photovoltaic array and whether aims at the sun, when sunshine departs from the vertical irradiation sensor, sensor can detect the orientation that the current sun departs from sensor, simultaneously at the output terminal of sensor corresponding orientation, has signal output, signal feedback is given microprocessor, carries out the orientation and corrects to realize accurate control.Microprocessor 3 onboard clock chips when night, send 7 actions of instruction control motor by processor, make solar panel return initial position.
Video camera 1 can be gathered the image information of photovoltaic array 10 in real time, and be sent to and carry out graphical analysis and image recognition in the computing machine 2, obtain Weather informations such as rain, snow, the wind speed information that obtains in conjunction with anemoscope 4, these Weather informations are carried out analytical calculation, according to real-time weather condition, judge wind speed, take safeguard measure by microprocessor 3 control tracker action in time; The accumulated snow covering problem of identification solar module is by topple accumulated snow on the assembly of microprocessor 3 control trackers action in time; Adjust best angle to be beneficial to most the flush clean of rainwater, the safety of protection photovoltaic array and high-efficiency reliable operation according to rainwater speed and angle by microprocessor 3 control tracker actions to solar components; Computing machine 2 also can input to the accordingly result of Flame Image Process Surveillance center 11, and supply station safety-protection system 12 uses.
Further, video camera 1 can be gathered the image information of photovoltaic array 10 in real time, and be sent to and carry out graphical analysis and image recognition in the computing machine 2, obtain failure message (it is undesired etc. to fail action or attitude as some solar panel) in the photovoltaic array 10 and shelter information (as foreign matter covering solar panel etc.), take measures to eliminate fault or give a warning by microprocessor 3 control motor action and notify the field staff to dispose, improve the safe reliability of photovoltaic array.
Further, video camera 1 also can be gathered the image information of photovoltaic array 10 in real time, and combine with power station safety-protection system 12 or alternative safety-protection system 12 in image capture device, play effect antitheft and that reduce cost.
Claims (3)
1. all-weather self-adaptive single-axis solar tracking system, it is characterized in that comprising picture recognition module, control circuit module, mechanical drive tracking Control module, sensor (5) and photovoltaic array (10), wherein picture recognition module is made of video camera (1) serial connection computing machine (2), control circuit module microprocessor (3) constitutes, mechanical drive tracking Control module comprises anemoscope (4), motor (7) and speed adjusting gear (8), video camera (1) is gathered the image information of photovoltaic array (10), the input end of the output termination microprocessor (3) of computing machine (2), the output terminal of microprocessor (3) is connected in series motor (7) successively and links to each other with solar cell array main shaft (9) in the photovoltaic array (10) with speed adjusting gear (8) back, anemoscope (4) and sensor (5) are arranged in the photovoltaic array (10), the input end of the output termination computing machine (2) of anemoscope (4), the input end of the output termination microprocessor (3) of sensor (5).
2. a kind of all-weather self-adaptive single-axis solar tracking system according to claim 1, it is characterized in that the video camera (1) in the described picture recognition module is also shared with power station safety-protection system (12), safety-protection system (12) also comprises Surveillance center (11), the output terminal of described video camera (1) connects the input end of Surveillance center (11) and computing machine (2) respectively, the input end of the output termination Surveillance center (11) of computing machine (2).
3. a kind of all-weather self-adaptive single-axis solar tracking system according to claim 1 is characterized in that also being connected in series frequency converter (6) between described microprocessor (3) and the motor (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202556505U CN201540488U (en) | 2009-11-24 | 2009-11-24 | All-weather adaptive single-shaft solar tracking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202556505U CN201540488U (en) | 2009-11-24 | 2009-11-24 | All-weather adaptive single-shaft solar tracking system |
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| CN201540488U true CN201540488U (en) | 2010-08-04 |
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| CN2009202556505U Expired - Lifetime CN201540488U (en) | 2009-11-24 | 2009-11-24 | All-weather adaptive single-shaft solar tracking system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096417A (en) * | 2010-12-30 | 2011-06-15 | 中环光伏系统有限公司 | Windward leveling device for solar oblique single-shaft tracker |
| CN102566597A (en) * | 2012-01-21 | 2012-07-11 | 渤海大学 | Photovoltaic generation intelligent adaptive tracking control method and control system thereof |
| CN102868323A (en) * | 2012-08-28 | 2013-01-09 | 深圳蓝波幕墙及光伏工程有限公司 | Power generation predictive control method for photovoltaic power station |
| CN108566123A (en) * | 2018-05-23 | 2018-09-21 | 江苏中信博新能源科技股份有限公司 | A kind of multi-mode operation method and system of motor group |
-
2009
- 2009-11-24 CN CN2009202556505U patent/CN201540488U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096417A (en) * | 2010-12-30 | 2011-06-15 | 中环光伏系统有限公司 | Windward leveling device for solar oblique single-shaft tracker |
| CN102096417B (en) * | 2010-12-30 | 2013-06-19 | 中环光伏系统有限公司 | Windward leveling device for solar oblique single-shaft tracker |
| CN102566597A (en) * | 2012-01-21 | 2012-07-11 | 渤海大学 | Photovoltaic generation intelligent adaptive tracking control method and control system thereof |
| CN102566597B (en) * | 2012-01-21 | 2013-08-21 | 渤海大学 | Photovoltaic generation intelligent adaptive tracking control method and control system thereof |
| CN102868323A (en) * | 2012-08-28 | 2013-01-09 | 深圳蓝波幕墙及光伏工程有限公司 | Power generation predictive control method for photovoltaic power station |
| CN108566123A (en) * | 2018-05-23 | 2018-09-21 | 江苏中信博新能源科技股份有限公司 | A kind of multi-mode operation method and system of motor group |
| CN108566123B (en) * | 2018-05-23 | 2021-06-22 | 江苏中信博新能源科技股份有限公司 | Multi-mode operation method and system of motor set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NANJING CNI23 ENERGY ENGINEERING CO., LTD. Free format text: FORMER OWNER: GCL SOLAR CO., LTD. Effective date: 20130704 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 210096 NANJING, JIANGSU PROVINCE TO: 210000 NANJING, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130704 Address after: 43 building, building 1, building 210000, Nanjing, Jiangsu, Zhujianglu Road Patentee after: Nanjing CNI23 Energy Engineering Co., Ltd. Address before: 210096 No. 68 Sheng Sheng Road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu, China Patentee before: GCL Solar System Limited |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100804 |
|
| CX01 | Expiry of patent term |