CN202997674U - An off-grid concentrating photovoltaic power generation system - Google Patents
An off-grid concentrating photovoltaic power generation system Download PDFInfo
- Publication number
- CN202997674U CN202997674U CN2012206565026U CN201220656502U CN202997674U CN 202997674 U CN202997674 U CN 202997674U CN 2012206565026 U CN2012206565026 U CN 2012206565026U CN 201220656502 U CN201220656502 U CN 201220656502U CN 202997674 U CN202997674 U CN 202997674U
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- Prior art keywords
- electrically connected
- photovoltaic power
- inverter
- power supply
- power generating
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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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Abstract
The utility model provides an off-grid concentrating photovoltaic power generation system comprising a support, a concentrating module, a double-shaft tracking controller, a combiner box, a charging controller, a monitoring system, an inverter, an AC load, and a power supply. The concentrating module is mounted on the support and is electrically connected with the power supply, the monitoring system, the combiner box, and the double-shaft tracking controller. The power supply is electrically connected with the inverter, the monitoring system, and the charging controller. The inverter is electrically connected with the monitoring system and the AC load. The double-shaft tracking controller is electrically connected with the monitoring system. The monitoring system is electrically connected with the inverter. The combiner box is electrically connected with the charging controller and the monitoring system. The inverter is electrically connected with the AC load. The utility model resolves a problem of low power generating efficiency and bad operational stability of a miniature off-grid photovoltaic power generation system. The off-grid concentrating photovoltaic power generation system has characteristics of a novel structure, easy manipulation and practicality, and high utilization rate of solar energy.
Description
Technical field
The utility model relates to from net photovoltaic generation special process technology and equipment, particularly a kind of small off-grid light gathering photovoltaic power generating system of optimization.
Background technology
Condensation photovoltaic refers to the sunlight after converging directly is converted to by the photovoltaic cell of high transformation efficiency the technology of electric energy.It is considered to third generation photovoltaic technology with high scale potentiality and significant cost decline space and is just welcoming its explosive growth phase, but the maximum technological challenge that faces of this technology at present is precision, cooling and cost.
The defective that exists in prior art is: the generating efficiency from the net photovoltaic generating system depends on battery modules and sun straight fluidic time length, crystal silicon module and film belong to front two generation the opto-electronic conversion battery technology, on the one hand, can only possess photoelectric conversion capacity in scope to shining upon of panel size area, although more common with large-scale grid-connected system, also comparatively ripe, but relatively low for the utilance of solar energy source, therefore generating efficiency is low; On the other hand, required precision for solar tracking is very low, as long as shine upon, can improve its generating efficiency and just depend on the intensity of illumination of sunlight fully, it is generally the tracking mode that the lateral rotation bearing combines with the longitudinal electric push rod, do not need the twin shaft controller of light time combination to follow the tracks of the sun, but push rod is easily aging.
The utility model content
The utility model proposes a kind ofly from the net light gathering photovoltaic power generating system, solved the defective that in the prior art, the solar energy source utilance is low, the solar tracking precision is low and the life-span is short; The utility model is simple in structure, and is high to the utilance of solar energy, and the solar tracking precision is high, its long service life.
The technical solution of the utility model is achieved in that
A kind of from the net light gathering photovoltaic power generating system, it comprises support, optically focused module, double-axis tracking controller, header box, charge controller, supervisory control system, inverter, AC load and power supply;
Described optically focused module is arranged on described support, and described optically focused module is electrically connected with described power supply, described supervisory control system, described header box and described double-axis tracking controller respectively;
Described power supply is electrically connected described inverter, described supervisory control system and described charge controller;
Described inverter is electrically connected with described supervisory control system, described AC load respectively;
Described double-axis tracking controller and described supervisory control system are electrically connected, and described supervisory control system and described inverter are electrically connected;
Described header box is electrically connected with described charge controller, described supervisory control system respectively;
Described inverter and described AC load are electrically connected.
Further, described power supply comprises the first power supply and second source.
Further, described the first power supply is storage battery, and described second source is mains supply.
Further, described the first power supply and described optically focused module, described inverter all are electrically connected, and described second source and described optically focused module are electrically connected.
Further, described header box is provided with photoelectric detector, and described photoelectric detector and the electric connection of described header box.
Further, described double-axis tracking controller comprises single-chip microcomputer and light sensor, and described single-chip microcomputer and the electric connection of described light sensor.
Further, described light sensor is connected with described optically focused module induction.
Further, described support comprises the longitudinal axis, transverse axis and slewing equipment, and described slewing equipment comprises lateral rotation device and vertical slewing equipment, and described lateral rotation device is connected with described transverse axis, and described vertical slewing equipment is connected with the described longitudinal axis.
Further, described double-axis tracking controller and described slewing equipment are electrically connected.
The utility model has solved the low and poor problem of operation stability of the generating efficiency of small off-grid photovoltaic generating system from the net light gathering photovoltaic power generating system, and novel structure is simple to operate and practical; The utility model adopts the high power concentrator battery modules, coordinates the operation of double-axis tracking controller, and light concentrating times is near 1000 times, and is higher to the utilance of solar energy source.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is that the utility model is from the schematic diagram of net light gathering photovoltaic power generating system.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
With reference to Fig. 1, a kind of from net light gathering photovoltaic power generating system 1, it comprises support, optically focused module, double-axis tracking controller, header box, charge controller, supervisory control system, inverter, AC load and power supply; Described optically focused module is arranged on described support, and described optically focused module is electrically connected with described power supply, described supervisory control system, described header box and described double-axis tracking controller respectively; Described power supply is electrically connected described inverter, described supervisory control system and described charge controller; Described inverter is electrically connected with described supervisory control system, described AC load respectively; Described double-axis tracking controller and described supervisory control system are electrically connected, and described supervisory control system and described inverter are electrically connected; Described header box is electrically connected with described charge controller, described supervisory control system respectively; Described inverter and described AC load are electrically connected.
The module of optically focused described in the utility model is the high power concentrator module, the high power concentrator module is different from common crystal silicon module, it is made of a plurality of batteries, monoblock battery size 0.9m * 0.9m * 0.4m, heavy 18kg, output voltage 16V, electric current 5A, power 80W forms the square formation module by 25 batteries, power output is 2kw, heavy 450kg.
Further, described power supply comprises the first power supply and second source.
Further, described the first power supply is storage battery, and described second source is mains supply.Described Power Management Design is become the mode of storage battery and mains supply, when mains supply breaks down, provide power supply by storage battery.
Further, described the first power supply and described optically focused module, described inverter all are electrically connected, and described second source and described optically focused module are electrically connected.
Further, described header box is provided with photoelectric detector (not shown), and described photoelectric detector and the electric connection of described header box.
Further, described double-axis tracking controller comprises single-chip microcomputer and light sensor, and described single-chip microcomputer and the electric connection of described light sensor.
Further, described light sensor is connected with described optically focused module induction.
Further, described support comprises the longitudinal axis, transverse axis and slewing equipment, and described slewing equipment comprises lateral rotation device and vertical slewing equipment, and described lateral rotation device is connected with described transverse axis, and described vertical slewing equipment is connected with the described longitudinal axis.
Further, described double-axis tracking controller and described slewing equipment are electrically connected.
The operation principle of double-axis tracking controller described in the utility model is: it is main adopting time control, and light-operated is auxiliary, control methods of combination both, and chip adopts the STC89C51 single-chip microcomputer, and is equipped with 485 interfaces for transfer of data.When intensity of illumination is stronger, by light sensor, sun altitude and azimuth are detected, accuracy of detection reaches 0.2 °, guarantees that optically focused module and light sensor are in a plane, and becomes 90 ° of vertical right angle states with illumination; When if intensity of illumination is weak, move the time control control mode based on position of sun-astronomical algorithm, according to local longitude and latitude and sun exact position, Time Calculation locality, and carry out stepping and follow the tracks of, every through 5 minutes, program roll back is once readjusted the relative position of optically focused module and the sun, to improve tracking accuracy.Above-mentioned dual mode automaticallyes switch, and neither is subjected to the impact of intensity of illumination power, has guaranteed that again tracking accuracy reaches the requirement of optically focused module, and tracking error can be controlled in 0.1 °.
The utility model from the course of work of net light gathering photovoltaic power generating system is: the morning, 7:00 utilized mains powered, system begins to start, this moment sun light intensity a little less than, the double-axis tracking controller switching is the prosecutor formula then, under the drive of horizontal axis rotation device and longitudinal axis slewing equipment, the optically focused module is by keeping flat the one side that begins to be tilted to solar light irradiation; After illuminance reached the optical sensor range of receiving, optical sensor sent signal to the double-axis tracking controller, and this moment, the double-axis tracking controller switching was light-operated mode, if illumination weakens, then switched to time control, so moved in circles; In the time of at dusk, illumination weakens, and the double-axis tracking controller first transfers time control to by light-operated, and 21:00 drives rehydration mean place next time at slewing equipment to the evening scheduled time.
Also, draw 8 road inlet wires to photovoltaic combiner box after the optically focused module is first gone here and there, every road inlet wire is 48V, 5A, and 1 tunnel outlet is 48V, 40A, the photoelectric detector that herein arranges can detect every road voltage and current, can judge with this optically focused module operating state that every road is connected; Header box 1 tunnel outlet connects charge controller and arrive storage battery again, this moment the accumulators store direct current, replacing on the one hand civil power is that concentration photovoltaic system is powered, be connected on the other hand inverter, direct current becomes interchange, and power supply is to AC load, and the native system AC load is used the series of LED illuminating lamp; Whole on-the-spot operational process is so far complete; Real-time monitoring system gathers the equipment such as optically focused module, controller, header box, inverter and storage battery by transducer, and the parameter of weather environment, and then offers the client query access.The actual running results shows that being used in conjunction with of optically focused module and twin shaft controller improved system's generating efficiency and stable degree really greatly.
The utility model has solved the low and poor problem of operation stability of the generating efficiency of small off-grid photovoltaic generating system from the net light gathering photovoltaic power generating system, and novel structure is simple to operate and practical; The utility model adopts the high power concentrator battery modules, coordinates the operation of double-axis tracking controller, and light concentrating times is near 1000 times, and is higher to the utilance of solar energy source.
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (9)
1. one kind from the net light gathering photovoltaic power generating system, it is characterized in that, comprises support, optically focused module, double-axis tracking controller, header box, charge controller, supervisory control system, inverter, AC load and power supply;
Described optically focused module is arranged on described support, and described optically focused module is electrically connected with described power supply, described supervisory control system, described header box and described double-axis tracking controller respectively;
Described power supply is electrically connected described inverter, described supervisory control system and described charge controller;
Described inverter is electrically connected with described supervisory control system, described AC load respectively;
Described double-axis tracking controller and described supervisory control system are electrically connected, and described supervisory control system and described inverter are electrically connected;
Described header box is electrically connected with described charge controller, described supervisory control system respectively;
Described inverter and described AC load are electrically connected.
2. as claimed in claim 1ly it is characterized in that from the net light gathering photovoltaic power generating system, described power supply comprises the first power supply and second source.
3. as claimed in claim 2ly it is characterized in that from the net light gathering photovoltaic power generating system, described the first power supply is storage battery, and described second source is mains supply.
4. as claimed in claim 3ly it is characterized in that from the net light gathering photovoltaic power generating system, described the first power supply and described optically focused module, described inverter all are electrically connected, and described second source and described optically focused module are electrically connected.
5. as describedly in any one in claim 1-4 it is characterized in that from the net light gathering photovoltaic power generating system, described header box is provided with photoelectric detector, and described photoelectric detector and described header box are electrically connected.
6. as claimed in claim 5ly it is characterized in that from the net light gathering photovoltaic power generating system, described double-axis tracking controller comprises single-chip microcomputer and light sensor, and described single-chip microcomputer and described light sensor are electrically connected.
7. as claimed in claim 6ly it is characterized in that from the net light gathering photovoltaic power generating system, described light sensor is connected with described optically focused module induction.
8. as claimed in claim 7 from the net light gathering photovoltaic power generating system, it is characterized in that, described support comprises the longitudinal axis, transverse axis and slewing equipment, and described slewing equipment comprises lateral rotation device and vertical slewing equipment, and described lateral rotation device is connected with described transverse axis, and described vertical slewing equipment is connected with the described longitudinal axis.
9. as claimed in claim 8ly it is characterized in that from the net light gathering photovoltaic power generating system, described double-axis tracking controller and described slewing equipment are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206565026U CN202997674U (en) | 2012-12-03 | 2012-12-03 | An off-grid concentrating photovoltaic power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206565026U CN202997674U (en) | 2012-12-03 | 2012-12-03 | An off-grid concentrating photovoltaic power generation system |
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| Publication Number | Publication Date |
|---|---|
| CN202997674U true CN202997674U (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012206565026U Expired - Fee Related CN202997674U (en) | 2012-12-03 | 2012-12-03 | An off-grid concentrating photovoltaic power generation system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208342A (en) * | 2016-08-30 | 2016-12-07 | 阳光电源股份有限公司 | A kind of follow the tracks of the electric supply installation of system, inverter and method of supplying power to |
| CN106255265A (en) * | 2016-08-19 | 2016-12-21 | 扬州市光宇照明有限公司 | Solar energy wisdom street lamp power supply, road lamp power supply system |
| CN106410957A (en) * | 2016-11-09 | 2017-02-15 | 江苏中信博新能源科技股份有限公司 | Tracking control method and system for photovoltaic power station |
| CN107992155A (en) * | 2017-05-27 | 2018-05-04 | 湖北工业大学 | A kind of concentration photovoltaic system and its monitoring and control method based on constant current integrated circuit |
-
2012
- 2012-12-03 CN CN2012206565026U patent/CN202997674U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106255265A (en) * | 2016-08-19 | 2016-12-21 | 扬州市光宇照明有限公司 | Solar energy wisdom street lamp power supply, road lamp power supply system |
| CN106208342A (en) * | 2016-08-30 | 2016-12-07 | 阳光电源股份有限公司 | A kind of follow the tracks of the electric supply installation of system, inverter and method of supplying power to |
| CN106208342B (en) * | 2016-08-30 | 2019-08-13 | 阳光电源股份有限公司 | A kind of power supply unit of tracking system, inverter and method of supplying power to |
| CN106410957A (en) * | 2016-11-09 | 2017-02-15 | 江苏中信博新能源科技股份有限公司 | Tracking control method and system for photovoltaic power station |
| CN106410957B (en) * | 2016-11-09 | 2019-03-19 | 江苏中信博新能源科技股份有限公司 | A kind of tracking and controlling method and system of photovoltaic plant |
| CN107992155A (en) * | 2017-05-27 | 2018-05-04 | 湖北工业大学 | A kind of concentration photovoltaic system and its monitoring and control method based on constant current integrated circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20151203 |
|
| EXPY | Termination of patent right or utility model |