CN201869119U - Tower type photovoltaic tracking generating system - Google Patents
Tower type photovoltaic tracking generating system Download PDFInfo
- Publication number
- CN201869119U CN201869119U CN2010202531483U CN201020253148U CN201869119U CN 201869119 U CN201869119 U CN 201869119U CN 2010202531483 U CN2010202531483 U CN 2010202531483U CN 201020253148 U CN201020253148 U CN 201020253148U CN 201869119 U CN201869119 U CN 201869119U
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- China
- Prior art keywords
- guide rail
- latitude
- rotating shaft
- cell panel
- steel wire
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- Expired - Lifetime
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model discloses a tower type photovoltaic tracking generating system comprising a vertical guide rail, a latitude-tracking guide rail, a driving device, a battery panel rotating shaft and a solar panel installed on the battery panel rotating shaft, wherein the upper end of the battery panel rotating shaft is installed on the vertical guide rail in a sliding manner, and the lower end of the battery panel rotating shaft is installed on the latitude-tracking guide rail in a sliding manner; the lower end of the battery panel rotating shaft is driven to move on the latitude-tracking guide rail by the driving device so as to regulate the tracking of the solar panel in a latitude direction; the battery panel rotating shaft is driven to rotate around the axial line thereof by the driving device so as to regulate the tracking of the solar panel in a longitude direction and to ensure that the solar panel can be perpendicular to the sunlight. The tower type photovoltaic tracking generating system can be simultaneously regulated in the latitude direction and the longitude direction so that the solar panel can automatically rotate along with the sun and can be perpendicular to the sunlight at any time, thus improving the generating capacity of a photovoltaic generating device; and the integral structural strength of the system is improved by arranging the tower frame type main body structure.
Description
Technical field
The utility model relates to a kind of tower type photovoltaic tracking power generation system.
Background technology
Photovoltaic power generation apparatus utilizes solar panel to accept solar light irradiation, is electric energy with transform light energy.The generating capacity of solar panel is directly proportional with the light intensity of its reception, and the generating capacity of incident sunlight during perpendicular to solar panel is the strongest, in the existing equipment, the photovoltaic generating system that a lot of tracking sun are arranged, as adopt control device, gear mechanism of electronic timing etc., shortcomings such as there is complex structure in these devices, tracking accuracy is low, failure rate is high, cost height.
The utility model content
At the problem that prior art exists, the purpose of this utility model is to provide a kind of Stability Analysis of Structures, tower type photovoltaic tracking power generation system that receiving light power is high.
For achieving the above object, the utility model tower type photovoltaic tracking power generation system, comprise upright guide rail, latitude tracking guide rail, drive unit, cell panel rotating shaft and fixed installation solar panel thereon, the upper end of cell panel rotating shaft is installed on the upright guide rail with slidingtype, and the lower end of cell panel rotating shaft is installed in latitude with slidingtype and follows the trail of on the guide rail; Drive unit drives the two ends of cell panel rotating shaft and moves on guide rail, adjusts the tracking of solar panel on the latitude direction; Simultaneously drive unit drives the cell panel rotating shaft around its rotational, adjusts the tracking of solar panel on longitudinal, to keep the vertical of solar panel and sunray.
Further, be set with the cell panel fixed support on the described cell panel rotating shaft, described solar panel is fixedly mounted on the cell panel fixed support.
Further, described upright guide rail is fixedly mounted on the pylon, and the end that described latitude is followed the trail of guide rail is fixedly mounted on the pylon, and the other end is fixedly mounted on the ground cement pedestal, and described latitude is followed the trail of guide rail and is obliquely installed, and its angle with horizontal plane is 30 to spend.
Further, be set with on the described upright guide rail and be used for along being set with the tilting slide plate frame that is used for along the guide rail slip on the vertical slide frame of guide rail slip, the described latitude tracking guide rail, the vertical slide frame is connected with the upper end of described cell panel rotating shaft by a U type support, and the tilting slide plate frame is connected with the lower end of described cell panel rotating shaft by the 2nd U type support.
Further, along on the outward extending axis direction of described cell panel rotating shaft terminal, a described U type support and the 2nd U type support include thrust bearing and self-aligning bearing.
Further, described drive unit comprises steel wire tightener and worm gear circulator, wherein, the steel wire tightener is fixedly mounted on the described pylon, the upper end that described latitude is followed the trail of guide rail is provided with fixed pulley, be provided with steel wire rope between steel wire tightener and the described tilting slide plate frame, steel wire rope one end is connected with pylon, in the race of the fixed pulley of the other end on the tilting slide plate frame, via being connected with the steel wire tightener behind the fixed pulley, drag described tilting slide plate frame along guide rail movement during steel wire tightener folding and unfolding steel wire rope, the worm gear circulator is arranged on described cell panel rotating shaft lower end to drive its rotation.
Further, the top of described pylon is provided with the counterweight pulley, is fixedly connected with the counterweight steel wire rope on the described vertical slide frame, and this counterweight steel wire rope other end is fixedlyed connected with balancing weight after via the counterweight pulley.
Further, the support bracket fastened upper end of described cell panel is provided with photoelectric sensor, this photoelectric sensor comprises photodetector head assembly, electronic control circuit and control cabinet, photodetector head assembly is measured the longitude and the latitude value of light in real time, and measured value is converted to two path control signal via electronic control circuit, the work of one tunnel control signal control steel wire tightener, another road control worm gear circulator work, by the longitude and the latitude of the described solar panel of real-time adjustment, keep the vertical of solar panel and sunray.
Further, described pylon and latitude are followed the trail of guide rail and are combined by several portions, and the middle part that described latitude is followed the trail of guide rail is arranged at intervals with several fixed supports, and this support bracket fastened lower end is fixedly mounted on the ground cement pedestal.
Further, described electricity generation system also comprises master controller, and this master controller comprises the display that is used for the display system operating state and is used for the hand controller of manual control system work.
The utility model can be adjusted on longitude and latitude simultaneously, make solar panel can follow sun rotation automatically, make itself and sunray keep vertical constantly, improved the generating capacity of photovoltaic power generation apparatus to greatest extent, and, improved the overall construction intensity of native system by the agent structure of pylon is set.
Description of drawings
Fig. 1 is the utility model front view;
Fig. 2 is the utility model vertical view;
Fig. 3 is the utility model right view;
Fig. 4 is an A portion enlarged drawing among Fig. 1;
Fig. 5 is a B portion enlarged drawing among Fig. 1;
Fig. 6 is a C portion enlarged drawing among Fig. 2.
Embodiment
Extremely shown in Figure 6 as Fig. 1, the utility model tower type photovoltaic tracking power generation system, comprise upright guide rail 17, latitude tracking guide rail 2, drive unit, cell panel rotating shaft 3, be set with cell panel fixed support 11 on the cell panel rotating shaft 3, solar panel 15 is fixedly mounted on the cell panel fixed support 11.Upright guide rail 17 is fixedly mounted on the pylon 1, and the end that latitude is followed the trail of guide rail 2 is fixedly mounted on the pylon 1, and the other end is fixedly mounted on the ground cement pedestal 18, and latitude is followed the trail of guide rail 2 and is obliquely installed, and its angle with horizontal plane is 30 to spend.
Be set with on the upright guide rail 17 and be used for following the trail of to be set with on the guide rail 2 being used for the tilting slide plate frame 5 that slides along guide rail along vertical slide frame 4, latitude that guide rail slides, vertical slide frame 4 is connected with the upper end of cell panel rotating shaft 3 by a U type support 7, and tilting slide plate frame 5 is connected with the lower end of cell panel rotating shaft 3 by the 2nd U type support 19.
Drive unit comprises steel wire tightener 9 and worm gear circulator 8, wherein, steel wire tightener 9 is fixedly mounted on the pylon 1, the upper end that latitude is followed the trail of guide rail 2 is provided with fixed pulley 12, be provided with steel wire rope 13 between steel wire tightener 9 and the tilting slide plate frame 5, one end of steel wire rope 13 is fixed on the pylon 1, in the race of the other end via fixed pulley 12 back movable pulleys 51 on tilting slide plate frame 5, be connected with the wheel that turns around of steel wire tightener 9 again, when steel wire tightener 9 folding and unfolding steel wire ropes, promptly drag tilting slide plate frame 5 along guide rail movement, and make vertical slide frame 4 driven motion on upright guide rail 17, adjust the tracking of solar panel 15 on the latitude direction; Worm gear circulator 8 is arranged on cell panel rotating shaft 3 lower ends and rotates to drive it, adjusts the tracking of solar panel 15 on longitudinal.
The upper end of cell panel fixed support 11 is provided with photoelectric sensor 16, photoelectric sensor 16 comprises photodetector head assembly, electronic control circuit and control cabinet, photodetector head assembly is measured the sunray and the angle of deviation of detecting head on the longitude and latitude direction that is radiated on the detecting head in real time, and the value at measured deviation angle is converted to two path control signal via electronic control circuit, 9 work of one tunnel control signal control steel wire tightener, another road control turbine circulator 8 work, by the longitude and the latitude of real-time adjustment solar panel 15, keep the vertical of solar panel 15 and sunray.Also be provided with wind speed wind direction sensor in the utility model electricity generation system, it is used for real-time wind speed, the wind direction of surveying work environment, to guarantee the safety of system works.
The top of pylon 1 is provided with counterweight pulley 20, is fixedly connected with counterweight steel wire rope 21 on the vertical slide frame 4, and counterweight steel wire rope 21 other ends are fixedlyed connected with balancing weight 14 via counterweight pulley 20 backs.Pylon 1 and latitude are followed the trail of guide rail 2 and are combined by several portions, and the middle part that latitude is followed the trail of guide rail 2 is arranged at intervals with several fixed supports 6, and the lower end of fixed support 6 is fixedly mounted on the ground cement pedestal 18.
Each functions of components in the utility model:
Pylon 1: it is one of main stress structure of electricity generation system, is cell panel rotating shaft 3 supporting construction in vertical direction.Parts such as counterweight pulley 20, upright guide rail 17, vertical slide frame 4, steel wire tightener 9 are installed above, upright guide rail 17 provides vertical displacement movement for vertical slide frame 4, driving cell panel rotating shaft 3 moves up and down together, finish adjustment, finish the tracking function of solar panel 15 on the latitude direction solar panel 15 luffing angles.Pylon is divided into three-decker, can dismounting make up, and forms different height as requested.The overall dimension of each several part is less, helps the automobile long-distance transport, is fastenedly connected with screw, and on-the-spot installation is very convenient.
Latitude is followed the trail of guide rail 2: for one of main stress structure of electricity generation system, for cell panel rotating shaft 3 supporting construction in the horizontal direction, tilting slide plate frame 5 is installed on it.Steel wire tightener 9 is with the slow folding and unfolding of steel wire rope, the movable pulley of installing below by tilting slide plate frame 5 51, driving tilting slide plate frame 5 follows the trail of on the guide rail 2 mobile at latitude, driving cell panel rotating shaft 3 simultaneously moves together, finish adjustment, finish the tracking function of cell panel on the latitude direction solar panel 15 luffing angles.In the present embodiment, latitude is followed the trail of guide rail 2 and is divided into three parts, can dismounting make up, and can form different length as requested.The overall dimension of each several part is less, helps the automobile long-distance transport, is fastenedly connected with screw, and on-the-spot installation is very convenient.
Cell panel rotating shaft 3: it is the main mounting structure of solar panel 15, is connected with parts such as a U type support 7, the 2nd U type support 19, worm gear circulator 8, I-beam 10, cell panel fixed support 11, solar panel 15, photoelectric sensor 16 on it.Be provided with self-aligning bearing 78 and thrust bearing 77 between the last rotating shaft head 71 of cell panel rotating shaft 3 and the U type support 7, self-aligning bearing 77 fixes installation by bearing seal lid 72 and bearing seal pad 75, bearing fixed seat 73, and thrust bearing 77 fixes installation by thrust bearing holder 74 and sealing gasket 76.Be provided with self-aligning bearing 711 and thrust bearing 714 between the following rotating shaft head 710 of cell panel rotating shaft 3 and the 2nd U type support 19, self-aligning bearing 711 fixes installation by bearing seal lid 712 and bearing seal pad 79, bearing fixed seat 713.Photoelectric sensor 16 sends the photoelectric tracking signal, sends drive current via control circuit to the motor of worm gear circulator 8, drives the worm gear rotation, finishes the tracking function of cell panel on longitudinal.The motor of steel wire tightener 9 is also accepted the photosignal that photoelectric sensor 16 sends simultaneously, drags tilting slide plate frame 5 and follows the trail of slip on the guide rail 2 at latitude, finishes the tracking function of cell panel on the latitude direction.
Vertical slide frame 4: be installed on the upright guide rail 17 of pylon, parts such as skateboard-axis 41, slide plate wheel 42, bearing seal lid 43, self-aligning bearing 44 be installed on it form.By the connection of bearing pin 45, done by the driving of U type support and move up and down, assist cell panel rotating shaft 3 to finish the tracking function of cell panel on the latitude direction.
Tilting slide plate frame 5: it is installed in latitude and follows the trail of on the guide rail 2, its agent structure is identical with vertical slide frame 4, comprise skateboard-axis 41, slide plate wheel 42, bearing seal lid 43, self-aligning bearing 44, also be provided with the movable pulley 51 that is connected with steel wire rope 13 on it, and be connected with cell panel rotating shaft 3 by bearing pin 45, moved by the common driving of steel wire tightener 9, steel wire rope 13 and movable pulley 51, assist cell panel rotating shaft 3 to finish the tracking function of cell panel on the latitude direction.
Slant rail support 6: for latitude is followed the trail of the effect that guide rail 2 provides fixed support.Slant rail support 6 itself is fixed on the ground cement pedestal 18.
U type support: comprise a U type support 7, the 2nd U type support 19, both structures are identical, are the parts that vertical slide frame 4, tilting slide plate frame 5 are connected with cell panel rotating shaft 3.Finish adjustment on the latitude direction by driving 3 motions of cell panel rotating shaft.
Worm gear circulator 8: accept photoelectric sensor 16 and send the photoelectric tracking signal, send drive current to the motor of worm gear circulator 8, drive worm gear circulator 8 left rotation and right rotation, finish the tracking function of cell panel on longitudinal via control circuit.
Steel wire tightener 9: accept photoelectric sensor 16 and send the photoelectric tracking signal, send drive current via control circuit to the motor of steel wire tightener 9, drive tilting slide plate frame 5 and follow the trail of move left and right on the guide rail 2 at latitude, the tracking function of solar panel 15 on the latitude direction finished in the motion of control cell panel rotating shaft 3.
I-beam 10: for cell panel fixed support 11 provides hard-wired load-supporting part.
Cell panel fixed support 11: the load-supporting part that solar panel 15 is installed.
Balancing weight 14: be installed on the steel wire rope 13 of vertical slide frame 4,, reduce the motor power draw in order to the weight of balancing battery plate rotating shaft 3.
Solar panel 15: for photovoltaic generating system provides electric power.
Photoelectric sensor 16: form by photodetector head assembly, electronic control circuit and control cabinet.The variation of photodetector head assembly induction light irradiating angle, and export corresponding induced signal and give control circuit, control circuit receives induced signal and is handled, and the output current dragging motor carries out tracking Control to the longitude and latitude of solar panel 15.
The utility model electricity generation system also comprises master controller, and this master controller comprises the display that is used for display system operating state, ambient condition and is used for the hand controller of manual control system work.
The utility model tower type photovoltaic tracking power generation system can effectively utilize the energy of the sun, thereby sends the electric weight than 1.35 times of conventional solar cells plate hights. and save the usage quantity of the cell panel of a large amount of costlinesses, reached the purpose of saving consumption reduction.Though had a lot of various types of solar energy tracking electricity generation systems on the market, it compares this tracking system with other photovoltaic tracking formula electricity generation system, and bigger difference and characteristics are arranged:
1. the latitude of this tracker is followed the tracks of, and can be automatically, also can be manual.
2. wind speed wind direction sensor and intensity of illumination transducer are installed.And on the display screen in control room, shown.Wind speed wind direction sensor and intensity of illumination transducer will be installed in the position that helps measuring most according to the situation at scene.
3. this tracker can utilize maximum power tracing when not having solar radiation, utilizes the generating of scattered light and surround lighting.
4. tower structure design, the rated wind velocity height under the situation of equal generated output, can be saved the appropriation of land area to greatest extent to aerial development.
5. adopt the design of inclination back shaft, two strong points are arranged up and down, Stability Analysis of Structures, rated wind velocity height, lower guideway adopt the incline structure design, have improved mechanically operated performance, make it to meet the characteristics of mechanical property.Save the power of dragging motor.
6. design and installation has balance weight mechanism, and the weight of balancing battery plate has also reduced the power of dragging motor.
7. structure adopts split type Combination Design, is convenient to transportation and installation.
When solar irradiation was mapped on cell panel and the photoelectric sensor 16, photoelectric sensor was accepted the irradiation of light, the irradiating angle of induction light longitude and latitude, and to control circuit output induced signal.After control circuit is accepted induced signal and handled, export the two-way Control current:
One the tunnel outputs on the motor of steel wire tightener 9, and dragging motor rotation drives tilting slide plate frame 5 and moves, and finishes the tracking operation of solar panel 15 on the latitude direction, and maintenance and sunray is vertical.Obtain maximum illumination, increase the power of generating.The angle value that on the display screen in control room, shows latitude simultaneously.Latitude is followed the tracks of and promptly can be carried out automatically, also can manually operate every regular hour or certain fate.
Another road outputs on the motor of the worm gear circulator 8 on the cell panel rotating shaft 3, and dragging motor rotation drives cell panel rotating shaft 3 left rotation and right rotation, finishes the tracking operation of solar panel 15 on longitudinal, and maintenance and sunray is vertical.Obtain maximum illumination, increase the power of generating.The angle value that on the display screen in control room, shows longitude simultaneously.
When not having sunray, will utilize the generating of scattered light and surround lighting according to the maximum power point tracking of cell panel.And whether the efficient of judging generating automatically meets the requirements of minimum.If be lower than minimum, with generation outage, this function is finished automatically by inverter.
When sky light faint especially, photoelectric sensor cisco unity malfunction and when being lower than the generating efficiency minimum again.Tracking system will automatically switch to the time state of a control, rotate a certain angle automatically every the regular hour, make the cell panel sensitive surface be basically perpendicular to solar direction, when sunlight occurs, but provide sensed position towards the sun for photoelectric sensor.
When the sun sets, when night came, tracker will automatically return to the position that goes out to begin that began to follow the tracks of in 1st according to the program of prior setting in the specific time.
This tracker can be followed the tracks of operation to sunray in the scope of longitudinal 180 degree.
This tracker is suitable for the area use that the north and south latitude is the 30-70 degree (when north and south latitude 60 degree were above, the projection of sunlight was not suitable for installing the solar power plant with endless).
Claims (10)
1. tower type photovoltaic tracking power generation system, it is characterized in that, this system comprises upright guide rail, latitude tracking guide rail, drive unit, cell panel rotating shaft and fixed installation solar panel thereon, the upper end slidingtype of cell panel rotating shaft is installed on the upright guide rail, and the lower end slidingtype of cell panel rotating shaft is installed in latitude and follows the trail of on the guide rail; Drive unit drives the two ends of cell panel rotating shaft and moves on guide rail, adjusts the tracking of solar panel on the latitude direction; Simultaneously drive unit drives the cell panel rotating shaft around its rotational, adjusts the tracking of solar panel on longitudinal, to keep the vertical of solar panel and sunray.
2. tower type photovoltaic tracking power generation system as claimed in claim 1 is characterized in that, is set with the cell panel fixed support on the described cell panel rotating shaft, and described solar panel is fixedly mounted on the cell panel fixed support.
3. tower type photovoltaic tracking power generation system as claimed in claim 2, it is characterized in that, described upright guide rail is fixedly mounted on the pylon, the end that described latitude is followed the trail of guide rail is fixedly mounted on the pylon, the other end is fixedly mounted on the ground cement pedestal, described latitude is followed the trail of guide rail and is obliquely installed, and its angle with horizontal plane is 30 to spend.
4. tower type photovoltaic tracking power generation system as claimed in claim 3, it is characterized in that, be set with on the described upright guide rail and be used for along being set with the tilting slide plate frame that is used for along the guide rail slip on the vertical slide frame of guide rail slip, the described latitude tracking guide rail, the vertical slide frame is connected with the upper end of described cell panel rotating shaft by a U type support, and the tilting slide plate frame is connected with the lower end of described cell panel rotating shaft by the 2nd U type support.
5. tower type photovoltaic tracking power generation system as claimed in claim 4 is characterized in that, along on the outward extending axis direction of described cell panel rotating shaft terminal, a described U type support and the 2nd U type support include thrust bearing and self-aligning bearing.
6. tower type photovoltaic tracking power generation system as claimed in claim 5, it is characterized in that, described drive unit comprises steel wire tightener and turbine circulator, wherein, the steel wire tightener is fixedly mounted on the described pylon, the upper end that described latitude is followed the trail of guide rail is provided with fixed pulley, be provided with steel wire rope between steel wire tightener and the described tilting slide plate frame, this steel wire rope drags described tilting slide plate frame along guide rail movement after via movable pulley, and the worm gear circulator is arranged on described cell panel rotating shaft lower end to drive its rotation.
7. tower type photovoltaic tracking power generation system as claimed in claim 6, it is characterized in that, the top of described pylon is provided with the counterweight pulley, is fixedly connected with the counterweight steel wire rope on the described vertical slide frame, and this counterweight steel wire rope other end is fixedlyed connected with balancing weight after via the counterweight pulley.
8. tower type photovoltaic tracking power generation system as claimed in claim 7, it is characterized in that, the support bracket fastened upper end of described cell panel is provided with photoelectric sensor, this photoelectric sensor comprises photodetector head assembly, electronic control circuit and control cabinet, photodetector head assembly is measured sunray in real time and is radiated on the detecting head, changing value in the misalignment angle of longitude and latitude direction, and measured value is converted to two path control signal via electronic control circuit, the work of one tunnel control signal control steel wire tightener, another road control worm gear circulator work, by the tracking direction of the described solar panel of real-time adjustment, keep the vertical of solar panel and sunray at longitude and latitude; Also be provided with the wind speed wind direction sensor that is used for surveying work environment wind speed, wind direction in the described system.
9. tower type photovoltaic tracking power generation system as claimed in claim 8 is characterized in that, the middle part that described latitude is followed the trail of guide rail is arranged at intervals with several fixed supports, and this support bracket fastened lower end is fixedly mounted on the ground cement pedestal.
10. tower type photovoltaic tracking power generation system as claimed in claim 9 is characterized in that described electricity generation system also comprises master controller, and this master controller comprises the display that is used for the display system operating state and is used for the hand controller of manual control system work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202531483U CN201869119U (en) | 2010-07-09 | 2010-07-09 | Tower type photovoltaic tracking generating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202531483U CN201869119U (en) | 2010-07-09 | 2010-07-09 | Tower type photovoltaic tracking generating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201869119U true CN201869119U (en) | 2011-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202531483U Expired - Lifetime CN201869119U (en) | 2010-07-09 | 2010-07-09 | Tower type photovoltaic tracking generating system |
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| Country | Link |
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| CN (1) | CN201869119U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882895A (en) * | 2010-07-09 | 2010-11-10 | 中海阳(北京)新能源电力股份有限公司 | Tower type photovoltaic tracking power generation system |
-
2010
- 2010-07-09 CN CN2010202531483U patent/CN201869119U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882895A (en) * | 2010-07-09 | 2010-11-10 | 中海阳(北京)新能源电力股份有限公司 | Tower type photovoltaic tracking power generation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110615 Effective date of abandoning: 20130911 |
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| RGAV | Abandon patent right to avoid regrant |