CN201918932U - Hybrid tracking policy type light-condensing photovoltaic generator - Google Patents
Hybrid tracking policy type light-condensing photovoltaic generator Download PDFInfo
- Publication number
- CN201918932U CN201918932U CN2011200276795U CN201120027679U CN201918932U CN 201918932 U CN201918932 U CN 201918932U CN 2011200276795 U CN2011200276795 U CN 2011200276795U CN 201120027679 U CN201120027679 U CN 201120027679U CN 201918932 U CN201918932 U CN 201918932U
- Authority
- CN
- China
- Prior art keywords
- reflecting plate
- parabolic shape
- shape reflecting
- circuit
- big
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
-
- 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
- Y02E10/60—Thermal-PV hybrids
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a hybrid tracking policy type light-condensing photovoltaic generator, which comprises a photovoltaic cell panel, a small paraboloidal reflector, a big paraboloidal reflector, an infrared filter, a water-cooled metal heat-conducting plate, a cold water tank, a hot water storage tank, a rotatable servo mechanical underpan, a pitch-adjusting servo rotary shaft, a servo control circuit, a clock and calendar circuit and a voltage detection circuit. The structure of the generator is reasonable, the generator solves the problems of the conventional light-condensing photovoltaic generator, i.e. ununiform light condensation, severely locally heated photovoltaic cell panel and heating caused by condensed infrared rays, the service life of the photovoltaic cell panel is prolonged, the working temperature of the photovoltaic cell panel is decreased, and the unit generating efficiency and the output of electricity are increased; and by means of the sensorless automatic sunlight-tracking policy, the generator solves the problems of the conventional sunlight-tracking system, i.e. dependence on photoelectric detections, complex technique, severe interference, low precision and poor dynamic and static stability.
Description
Technical field
The utility model relates to fields such as photovoltaic conversion and solar tracking technology, is specifically related to a kind of light-focusing type photovoltaic power generation apparatus.
Background technology
New forms of energy are one of technical fields of the tool decision of 21st century development of world economy power, and solar power generation does not produce any discarded object, and is pollution-free, and noiseless has no adverse effects to environment, is desirable clean energy resource.
All with the important content of solar energy resources utilization as the national sustainable development strategy, photovoltaic generation has broad application prospects in national governments.But solar radiation density is low, photovoltaic cell costliness etc. causes the cost of photovoltaic generating system high, and concentrating photovoltaic power generation substitutes expensive photovoltaic electroplax with the light-concentrating material of cheapness, is a kind of effective ways that address this problem.
Existing concentrating solar photovoltaic generating directly comes optically focused by convex lens or Fresnel lens and anti-refracting telescope mostly, the sunlight of assembling projects on the photovoltaic electroplax unevenly, be easy to make photovoltaic electroplax local heating to damage, when optically focused when higher, the heat production of photovoltaic electroplax is very serious, restricting the development of concentrating photovoltaic power generation industry to a great extent, some novel optically focused technology are also arranged at present, but some shortcomings are arranged also, as number of patent application is that 200620070287.6 " batterfly shape reflective light gathering photovoltaic power generating system " adopts dish formula optically focused can allow the sunlight of assembling be mapped to uniformly on the photovoltaic electroplax, but this kind method optically focused ratio is subjected to bigger restriction.
The solar radiation wave-length coverage that can produce photovoltaic effect is at 0.4-1.1 um, and the solar radiation of other wavelength is radiated at and only is converted into heat energy on the solar panel, and the temperature of photovoltaic electroplax is raise, and reduces photoelectric conversion efficiency, has shortened the life-span of photovoltaic electroplax.Number of patent application be 200610088176.2 " can from heat radiation solar energy accumulation type photovoltaic generator " though elimination infrared ray, filter be shaped as paraboloidal, processing is difficulty relatively, consumption is big, Financial cost is higher.
Most of concentrating generation device need be followed the tracks of the sun, and the solar tracking technology is a great problem all the time, existing light detects tracking technique and mainly contains position sensing detector PSD technology, CCD technology, generally complicated, be subject to the influence of external environments such as dark clouds, dust, and cost is higher, and " Chinese solar energy power generating industrial analysis in 2008 and investment consultation report " points out that the tracking cost of the concentrating generating system of each kilowatt is about 1.6 ten thousand yuan.Therefore, development also is the work with most important theories and engineering Practical significance based on the sunlight tracking system of no transducer strategy.
Summary of the invention
It is a kind of rational in infrastructure, rational in infrastructure that the purpose of this utility model is to provide, favorable working performance, the combined tracking strategy formula light-focusing type photovoltaic power generation apparatus of electro-optical package long service life.
Technical solution of the present utility model is:
A kind of combined tracking strategy formula light-focusing type photovoltaic power generation apparatus, it is characterized in that: comprise that photovoltaic electroplax, little parabolic shape reflecting plate, big parabolic shape reflecting plate, infrared fileter, water-cooling type metal conducting strip, cold water water tank, heat storage water tank, rotatable servounit chassis, the angle of attack regulate servo rotating shaft, servo control circuit, clock/calendar circuit and voltage detecting circuit, large and small two parabolic shape reflecting plate concave surfaces are installed placement relatively, and both method axis conllinear, focus overlap; Infrared fileter is placed on the two parabolic shape reflecting plate focuses or near the front and back of focus, and the method axis conllinear of the method axis of infrared fileter and large and small parabolic shape reflecting plate; The photovoltaic electroplax is fixed on the concave bottom of big parabolic shape reflecting plate; Photovoltaic electroplax voltage output end is connected with voltage detecting circuit by lead; Big parabolic shape reflecting plate is installed in top, rotatable servounit chassis, and regulates servo rotating shaft by the support unit and the angle of attack and be connected; The rotatable servounit chassis and the angle of attack are regulated servo rotating shaft and are adopted a cover step motor drive separately, and described two cover stepping motors all are connected with servo control circuit; Servo control circuit also is connected with voltage detecting circuit with the clock/calendar circuit; Installation water-cooling type metal conducting strip is close at the photovoltaic electroplax back side, and the latter is connected with heat storage water tank with the cold water water tank; The temperature control valve is installed in the heat storage water tank water inlet.
Large and small two parabolic shape reflecting plate concave surfaces are reflecting surface, for adopting medal polish or smearing the reflecting coating form; Large and small two parabolic shape reflecting plate concave surface opening sections are rectangle or are circle.
Infrared fileter is the reflection-type filter, and its shape and large and small two parabolic shape reflecting plate concave surface opening sections are consistent, and its area is much smaller than little parabolic shape reflecting plate concave surface opening section area.
The temporal information that servo control circuit provides by the clock/calendar circuit orders about rotatable servounit chassis and the angle of attack is regulated servo rotating shaft campaign, to realize the coarse adjustment of big parabolic shape reflecting plate tracking sunlight direct projection position, follow the tracks of the fine tuning of sunlight direct projection position to realize big parabolic shape reflecting plate by the open circuit voltage information that voltage detecting circuit provides.
The utility model is rational in infrastructure, and has following advantage:
(1) big parabolic concentrator evenly reflects mode in conjunction with little parabola, when improving the optically focused degree, the sunlight that can guarantee gathering equably vertical irradiation to the photovoltaic electroplax, the useful life of prolongation battery;
(2) reasonably filter the infrared ray principle, when effectively suppressing the infrared ray thermal effect, reduce the consumption of filter, save cost.
(3) adopt that track of sun follows the tracks of day calendar in conjunction with the novel no transducer tracking strategy of photovoltaic electroplax open circuit voltage climbing method, reduced the hardware investment of photodetector, strengthened to install the anti-light of solar tracking disturbed ability.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of an embodiment of the utility model.
Embodiment
Among Fig. 1,1 solar incident ray, 2 angles of attack are regulated stepping motor, 3 angles of attack are regulated servo rotating shaft, 4 horizontal direction supporting devices, 5 little parabolic shape reflecting plates, 6 infrared fileters, 7 vertical direction supporting devices, 8 transfer gear train, 9 bearings, 10 rotatable servounit chassis, 11 device supports, stepping motor is regulated in 12 thing drift angles, 13 leads, 14 photovoltaic electroplaxs, 15 heat storage water tanks, 16 temperature control valves, 17 water pipes, 18 water-cooling type metal conducting strips, 19 cold water water tanks, 20 big parabolic shape reflecting plates, the a servo control circuit, the b voltage detecting circuit, c clock/calendar circuit.
Described a kind of combined tracking strategy formula light-focusing type photovoltaic power generation apparatus is regulated stepping motor 2 by the angle of attack, the angle of attack is regulated servo rotating shaft 3, horizontal direction supporting device 4, little parabolic shape reflecting plate 5, infrared fileter 6, vertical direction supporting device 7, transfer gear train 8, bearing 9, rotatable servounit chassis 10, device support 11, stepping motor 12 is regulated in the thing drift angle, lead 13, photovoltaic electroplax 14, heat storage water tank 15, temperature control valve 16, water pipe 17, water-cooling type metal conducting strip 18, cold water water tank 19, big parabolic shape reflecting plate 20, servo control circuit a, voltage detecting circuit b, compositions such as clock/calendar circuit c.
In conjunction with the accompanying drawings, horizontal direction supporting device 4 is fixing successively with parts such as little parabolic shape reflecting plate 5, big parabolic shape reflecting plate 20, infrared fileter 6, photovoltaic electroplax 14, water-cooling type metal conducting strips 18, the angle of attack is installed in its center of mass point position is regulated servo rotating shaft 3 and angle of attack adjusting stepping motor 2, therefore, regulating the motion of stepping motor 2 by the angle of attack can be so that big parabolic reflecting plate 20 changes with respect to the angle of attack of the sun.Regulate the vertical of servo rotating shaft 3 at the angle of attack vertical direction supporting device 7 is installed, the lower end of vertical direction supporting device 7 links to each other with rotatable servounit chassis 10, and the disk heart position on rotatable servounit chassis 10 is by bearing 9 and 11 sockets of device support.Support 11 fixes on the ground.Stepping motor 12 is regulated in the upper surface fixed installation thing drift angle of support 11, the armature spindle socket toothed disc that stepping motor 12 stretches out, the gear of this toothed disc and rotatable servounit chassis 10 outer rims constitutes transfer gear train 8, therefore, regulating the motion of stepping motor 12 by the thing drift angle can be so that big parabolic reflecting plate 20 changes with respect to the east-west direction drift angle of the sun.
Little parabolic shape reflecting plate 5 is relative with the concave surface of big parabolic shape reflecting plate 20, and is reflecting surface, the reflection of adopting medal polish or smearing the manufacturing process realization sun incident light 1 of reflecting coating; Two reflecting plate concave surface opening sections can be rectangle, or are circle.Infrared fileter 6 is the reflection-type filter, and its shape and two parabolic shape reflecting plate concave surface opening sections are consistent, and its area is much smaller than little parabolic shape reflecting plate 5 concave surface opening section areas.
Sun incident light 1 is at first by big parabolic shape reflecting plate 20 optically focused and reflect away, in the path that arrives little parabolic shape reflecting plate 5, by infrared fileter 6 elimination infrared lights (because infrared fileter 6 is installed in big or small paraboloidal focus annex, therefore, less infrared fileter 6 areas can guarantee the infrared ray filtering effect to the gathered light of whole next arrogant parabolic shape reflecting plates 20), after this, the light of being assembled is transformed into a branch of even again by the reflex of little parabolic shape reflecting plate 5, parallel and the high-strength light vertical irradiation that do not have an infrared wavelength is to photovoltaic electroplax 14.
Servo control circuit a storage inside device infield (latitude) same month not, day, the time the required attitude angle of device sun light tracking under the condition, comprise the drift angle of east-west direction and the light-facing angle of vertical direction.The temporal information that servo control circuit a provides by clock/calendar circuit c earlier (comprise month, day, time), look-up table program acquisition engraving device this moment according to circuit a inside is followed the tracks of the required attitude angle (comprising the drift angle of east-west direction and the light-facing angle of vertical direction) of sunlight for assurance, angle is ordered about the thing drift angle and is regulated stepping motor 12 and 2 motions of angle of attack adjusting stepping motor according to this, realizing that big parabolic shape reflecting plate 20 follows the tracks of the coarse adjustment of sunlight direct projection positions, this stage may ultimately reach the purpose that the attitude of big parabolic shape reflecting plate 20 is aimed at the sun substantially; After the coarse adjustment stage finishes, the photovoltaic electroplax 14 open circuit voltage information that servo control circuit a provides by voltage detecting circuit b again, fine setting thing drift angle regulates stepping motor 12 and the angle of attack is regulated stepping motor 2 for the climbing method program of application circuit a inside (this program is the adjusting purpose to the maximum with the open circuit voltage of photovoltaic electroplax 14), can realize that big parabolic shape reflecting plate 20 follows the tracks of the accurate fine tuning of sunlight direct projection positions, this stage may ultimately reach the purpose that the attitude of big parabolic shape reflecting plate 20 is accurately aimed at the sun.
Servo control circuit a carried out at every interval coarse adjustment and the fine tuning action that primary device is followed the tracks of sunlight in 5 to 10 minutes, and guaranteeing the accuracy of this device tracking sun, and economy system is for following the tracks of the energy consumption that sunlight produces.
The heat that photovoltaic electroplax 14 produces is absorbed by water-cooling type metal conducting strip 18, and the water temperature in metal conducting strip reaches certain temperature, when being detected by temperature sensor, temperature control valve 16 is opened automatically, and hot water flows in the heat storage water tank 15, uses for life and production.Simultaneously, cold water flow in the metal conducting strip once more by cooling water water inlet water pipe 17.Water temperature in metal conducting strip falls back to certain temperature, and when being detected by temperature sensor, temperature control valve 16 is closed automatically, and current stop, and reach the cooling effect to photovoltaic electroplax 14.
Claims (4)
1. combined tracking strategy formula light-focusing type photovoltaic power generation apparatus is characterized in that: comprise little parabolic shape reflecting plate, big parabolic shape reflecting plate, large and small two parabolic shape reflecting plate concave surfaces are installed placement relatively, and both method axis conllinear, focus overlap; Infrared fileter is placed on the two parabolic shape reflecting plate focuses or near the front and back of focus, and the method axis conllinear of the method axis of infrared fileter and large and small parabolic shape reflecting plate; The photovoltaic electroplax is fixed on the concave bottom of big parabolic shape reflecting plate; Photovoltaic electroplax voltage output end is connected with voltage detecting circuit by lead; Big parabolic shape reflecting plate is installed in top, rotatable servounit chassis, and regulates servo rotating shaft by the support unit and the angle of attack and be connected; The rotatable servounit chassis and the angle of attack are regulated servo rotating shaft and are adopted a cover step motor drive separately, and described two cover stepping motors all are connected with servo control circuit; Servo control circuit also is connected with voltage detecting circuit with the clock/calendar circuit; Installation water-cooling type metal conducting strip is close at the photovoltaic electroplax back side, and the latter is connected with heat storage water tank with the cold water water tank; The temperature control valve is installed in the heat storage water tank water inlet.
2. combined tracking strategy formula light-focusing type photovoltaic power generation apparatus according to claim 1 is characterized in that: large and small two parabolic shape reflecting plate concave surfaces are reflecting surface, for adopting medal polish or smearing the reflecting coating form; Large and small two parabolic shape reflecting plate concave surface opening sections are rectangle or are circle.
3. combined tracking strategy formula light-focusing type photovoltaic power generation apparatus according to claim 1 and 2, it is characterized in that: infrared fileter is the reflection-type filter, its shape and large and small two parabolic shape reflecting plate concave surface opening sections are consistent, and its area is much smaller than little parabolic shape reflecting plate concave surface opening section area.
4. combined tracking strategy formula light-focusing type photovoltaic power generation apparatus according to claim 1, it is characterized in that: the temporal information that servo control circuit provides by the clock/calendar circuit orders about rotatable servounit chassis and the angle of attack is regulated servo rotating shaft campaign, to realize the coarse adjustment of big parabolic shape reflecting plate tracking sunlight direct projection position, follow the tracks of the fine tuning of sunlight direct projection position to realize big parabolic shape reflecting plate by the open circuit voltage information that voltage detecting circuit provides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200276795U CN201918932U (en) | 2011-01-27 | 2011-01-27 | Hybrid tracking policy type light-condensing photovoltaic generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200276795U CN201918932U (en) | 2011-01-27 | 2011-01-27 | Hybrid tracking policy type light-condensing photovoltaic generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201918932U true CN201918932U (en) | 2011-08-03 |
Family
ID=44418720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200276795U Expired - Fee Related CN201918932U (en) | 2011-01-27 | 2011-01-27 | Hybrid tracking policy type light-condensing photovoltaic generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201918932U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102130629A (en) * | 2011-01-27 | 2011-07-20 | 南通大学 | Uniform reflection focused solar generation device |
| CN102662381A (en) * | 2012-05-27 | 2012-09-12 | 李万红 | Water cooling type lens group condensation photovoltaic solar building mechanism |
| CN103516301A (en) * | 2012-06-18 | 2014-01-15 | 傅伟铭 | Solar collector architecture assembly |
-
2011
- 2011-01-27 CN CN2011200276795U patent/CN201918932U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102130629A (en) * | 2011-01-27 | 2011-07-20 | 南通大学 | Uniform reflection focused solar generation device |
| CN102662381A (en) * | 2012-05-27 | 2012-09-12 | 李万红 | Water cooling type lens group condensation photovoltaic solar building mechanism |
| CN102662381B (en) * | 2012-05-27 | 2014-04-02 | 李万红 | Water cooling type lens group condensation photovoltaic solar building mechanism |
| CN103516301A (en) * | 2012-06-18 | 2014-01-15 | 傅伟铭 | Solar collector architecture assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102082195B (en) | Automatic-tracking double paraboloids light-concentrating, power-generating and heating system | |
| WO2012113195A1 (en) | Solar secondary light concentrating frequency dividing method and apparatus thereof based on dish-like light concentration | |
| Qiu et al. | Comparative study on solar flat-plate collectors coupled with three types of reflectors not requiring solar tracking for space heating | |
| CA2632853A1 (en) | Adaptive solar concentrator system | |
| CN107919848B (en) | Annular linear Fresnel high-power condenser | |
| CN101471615A (en) | Lambada-shaped concentration biax tracking solar photovoltaic generator | |
| CN201191090Y (en) | Solar tracking heat collecting device with reflecting mirror adjustable | |
| CN104456980A (en) | Secondary concentrated reflection-transmission type parabolic-trough type solar heat collector | |
| WO2020007292A1 (en) | Single-axis tracking system for enhancing light intensity of component | |
| CN201583020U (en) | Transmission type line-focus solar collector system | |
| CN103199743A (en) | Controllable double-state light-reflection light-gathering solar heat collection generating set | |
| CN208572005U (en) | A kind of single-shaft tracking system enhancing component light intensity | |
| CN201409099Y (en) | Solar energy condensing power generation system with cooling device | |
| CN201315553Y (en) | One-dimensional line focusing concentrating photovoltaic power generation device | |
| CN201918922U (en) | Portable Fresnel-lens solar-energy automatic-tracking power-generating and heating dual-purpose device | |
| CN115468320A (en) | Novel point focusing photo-thermal system | |
| CN201918932U (en) | Hybrid tracking policy type light-condensing photovoltaic generator | |
| CN102130629B (en) | Uniform reflection focused solar generation device | |
| KR20180120322A (en) | Combined solar thermal and photovoltaics system using hybird solar cell based on concentrated type and planar type | |
| CN201936194U (en) | Sunlight automatic tracking condensation device based on double paraboloids | |
| CN102916618B (en) | Tracking focused rough adjustment and fine adjustment combined solar power generation device | |
| CN201238271Y (en) | Spire type concentration dual-spindle tracing solar photovoltaic generator | |
| WO2013082872A1 (en) | Rotating solar power station that simultaneously tracks and concentrates sunlight | |
| CN207399140U (en) | A kind of reflection-type slot light collection cogeneration system | |
| CN201937509U (en) | Condensation photovoltaic system |
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: 20110803 Termination date: 20120127 |