CN211791402U - Solar double-sided photovoltaic module tracking support suitable for up-down double-row installation - Google Patents
Solar double-sided photovoltaic module tracking support suitable for up-down double-row installation Download PDFInfo
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- CN211791402U CN211791402U CN202020755951.0U CN202020755951U CN211791402U CN 211791402 U CN211791402 U CN 211791402U CN 202020755951 U CN202020755951 U CN 202020755951U CN 211791402 U CN211791402 U CN 211791402U
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- 238000009434 installation Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 5
- 230000005855 radiation Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000003203 everyday effect Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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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
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
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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 provides a support is trailed to two-sided photovoltaic module of solar energy suitable for double installation from top to bottom, stand including the installation usefulness, the torque tube, first crossbeam, the second crossbeam, first driver and second driver, the torque tube sets up on the stand, rotate between first crossbeam and the torque tube and be connected and first crossbeam is located one side of stand, rotate between second crossbeam and the torque tube and be connected and the second crossbeam is located the opposite side of stand, install first two-sided photovoltaic module on the first crossbeam, install the two-sided photovoltaic module of second on the second crossbeam, first driver is connected with first crossbeam and can drives first crossbeam and rotate around the torque tube, the second driver is connected with the second crossbeam and can drive the second crossbeam and rotate around the torque tube. The utility model discloses can independent control be located two sets of two-sided photovoltaic module's on first crossbeam, the second crossbeam every single move angle to make the generating efficiency maximize.
Description
Technical Field
The utility model belongs to the technical field of photovoltaic power generation, it is concrete, relate to a support is trailed to two-sided photovoltaic module of solar energy suitable for double installation from top to bottom.
Background
The double-sided photovoltaic module is a solar module capable of realizing power generation on the front side and the back side, and the back side of the double-sided photovoltaic module can generate power by utilizing reflected light of an installation site and scattered light of the surrounding environment.
The front side and the back side of the double-sided photovoltaic module can generate electricity, so that the generating capacity per unit area can be effectively improved compared with a single-sided module, and if the installation angle of a double-sided photovoltaic module generating system is optimized, the generating capacity can be further improved.
At present, a conventional flat single-axis tracking system only considers front irradiation of photovoltaic modules, for example, chinese patent document No. 201310024307.0 discloses a method and a system for tracking a solar track of a photovoltaic generator, and provides an anti-tracking track method for avoiding shadow shielding between adjacent photovoltaic modules.
Compared with the radiation model of the conventional photovoltaic module, the radiation model also needs to consider the influence of the installation height of the module and environmental factors, and the main influencing factors are as follows: surface reflectivity, installation height, rotation angle, assembly interval, latitude, direct radiation and scattering proportion and the like.
In the prior art, in a double-sided photovoltaic system with two rows of upper and lower photovoltaic modules, an obvious height difference exists between the ground clearance of the upper row of photovoltaic modules and the lower row of photovoltaic modules, and the installation inclinations of the two groups of photovoltaic modules are consistent.
In order to further improve the generated energy, the utility model discloses the people carries out cooperative control between mounting height and the turned angle, provides the two-sided photovoltaic module of solar energy tracking support suitable for about double installation.
SUMMERY OF THE UTILITY MODEL
To prior art's defect, the utility model provides a support is trailed to two-sided photovoltaic module of solar energy suitable for double installation from top to bottom can independent control be located the every single move angle of two sets of two-sided photovoltaic module on first crossbeam, the second crossbeam to make the generating efficiency maximize.
The utility model discloses a concrete technical scheme does:
the utility model provides a support is trailed to two-sided photovoltaic module of solar energy suitable for double installation from top to bottom, stand for the installation, wherein, support is trailed to two-sided photovoltaic module of solar energy further includes the torque tube, first crossbeam, the second crossbeam, first driver and second driver, the torque tube sets up on the stand, rotate between first crossbeam and the torque tube and be connected and first crossbeam is located one side of stand, rotate between second crossbeam and the torque tube and be connected and the second crossbeam is located the opposite side of stand, install first two-sided photovoltaic module on the first crossbeam, install the two-sided photovoltaic module of second on the second crossbeam, first driver is connected with first crossbeam and can drive first crossbeam and rotate around the torque tube, the second driver is connected with the second crossbeam and can drive the second torque tube and rotate around the torque tube.
The above technical scheme of the utility model, first crossbeam, the preferred rigid support beam structure of second crossbeam are used as first two-sided photovoltaic module and second two-sided photovoltaic module's installation, location and use, the two all with rotate between the torque pipe on the stand to be connected, under the drive respectively of first driver and second driver, first crossbeam, second crossbeam produce independent every single move upset process respectively to carry out the adjustment of two sets of two-sided photovoltaic module installation angle.
As an optimized scheme of the utility model, the support is trailed to two-sided photovoltaic module of solar energy still including the irradiation sensor detection device who is used for detecting the front and the back irradiation intensity of first two-sided photovoltaic module, the front and the back irradiation intensity of the two-sided photovoltaic module of second respectively.
As a preferred scheme of the utility model, irradiation sensor detection device includes first sensor, second sensor, third sensor and fourth sensor, and first sensor is installed in the positive one side of first crossbeam, and the back one side at first crossbeam is installed to the second sensor, and the front one side at the second crossbeam is installed to the third sensor, and the back one side at the second crossbeam is installed to the fourth sensor.
As a preferred scheme of the utility model, the first driver is a linear driver, one end of the first driver is hinged with the first beam, the other end of the first driver is hinged with the upright post, and a triangular support structure is formed among the first driver, the upright post and the first beam; the second driver is a linear driver, one end of the second driver is hinged with the second beam, the other end of the second driver is hinged with the upright post, and a triangular supporting structure is formed among the second driver, the upright post and the second beam.
As a preferred scheme of the utility model, first driver is electric putter, and the second driver is electric putter.
As a preferred scheme of the utility model, the stand includes fixed first stand, the second stand of activity, sets up to the sliding connection that can stretch out and draw back between first stand and the second stand, and the torque tube sets up on the second stand.
The utility model discloses possess following beneficial effect:
the utility model discloses set up two mutually independent first drivers and second driver, and then carried out the every single move angular adjustment of first crossbeam, second crossbeam respectively for two sets of two-sided photovoltaic module that are located on first crossbeam and the second crossbeam are in best installation angle separately, obtain the biggest generating efficiency.
In addition, the irradiation intensity of the front surface and the back surface of the first double-sided photovoltaic assembly and the irradiation intensity of the front surface and the back surface of the second double-sided photovoltaic assembly are obtained in real time through the irradiation sensor detection device, so that the first driver and the second driver generate specified actions, and the first cross beam and the second cross beam are automatically driven to rotate in a pitching mode.
The present invention will be described in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of the solar double-sided photovoltaic module tracking bracket of the present invention;
fig. 2 is the utility model discloses the use schematic diagram of the two-sided photovoltaic module of solar energy trails support.
Detailed Description
A solar double-sided photovoltaic module tracking support suitable for up-down double-row installation is shown in figures 1 and 2 and comprises an upright post 1, a torque tube 2, a first cross beam 3, a second cross beam 4, a first driver 5 and a second driver 6.
The torque tube 2 is arranged on the upright post 1, the first beam 3 is rotatably connected with the torque tube 2, the first beam 3 is positioned on the left side of the upright post 1, the second beam 4 is rotatably connected with the torque tube 2, the second beam 4 is positioned on the right side of the upright post 1, the first beam 3 is used for mounting a first double-sided photovoltaic component 7, the second beam 4 is used for mounting a second double-sided photovoltaic component 8, the first driver 5 is connected with the first beam 3 and can drive the first beam 3 to rotate around the torque tube 2, and the second driver 6 is connected with the second beam 4 and can drive the second beam 4 to rotate around the torque tube 2.
Further, the first driver 5 is a linear driver, such as an electric push rod, one end of the first driver 5 is hinged to the first beam 3, the other end of the first driver 5 is hinged to the upright 1, and a triangular support structure is formed among the first driver 5, the upright 1 and the first beam 3;
the second driver 6 is a linear driver, such as an electric push rod, one end of the second driver 6 is hinged to the second beam 4, the other end of the second driver 6 is hinged to the upright 1, and a triangular support structure is formed among the second driver 6, the upright 1 and the second beam 4.
The present example is further provided with an irradiation sensor detection device for detecting the front and back irradiation intensities of the first double-sided photovoltaic module 7 and the front and back irradiation intensities of the second double-sided photovoltaic module 8, respectively, referring to fig. 2, the irradiation sensor detection device includes a first sensor 9, a second sensor 10, a third sensor 11 and a fourth sensor 12, the first sensor 9 is installed on the front side of the first beam 3, the second sensor 10 is installed on the back side of the first beam 3, the third sensor 11 is installed on the front side of the second beam 4, and the fourth sensor 12 is installed on the back side of the second beam 4.
In other examples of the present invention, the stand column 1 is a telescopic stand column to change the height of the torque tube 2, an optimal stand column includes a fixed first stand column and a movable second stand column, a sliding connection capable of extending and retracting is set between the first stand column and the second stand column, and the torque tube is set on the second stand column.
One procedure using the present example tracking cradle is:
(1) acquiring an initial reference inclination angle;
taking the example of the 12:00 time interval of 3, 23 and 23 of 2020 in the foshan area (latitude 22.38 °), the current solar altitude angle β is 68.4 ° and the solar azimuth angle γ is 0 ° obtained by the astronomical algorithm, and the reference inclination angle α at the current position is calculated021.60 °, one specific acquisition procedure is:
the solar altitude β and the solar azimuth γ are calculated respectively according to the following formulas:
wherein,
latitude is declination angle, and omega is solar hour angle;
calculating a reference inclination angle according to the solar altitude angle beta and the solar azimuth angle gamma:
α0＝90°-arctan(tanβ/sinγ)。
(2) collecting illumination intensity data;
respectively using two groups of double-sided photovoltaic components of the upper row and the lower row as a reference dip angle alpha0The solar photovoltaic module is installed at an angle of about 22 degrees (21.60 degrees) towards the south, the height of the stand column from the ground is 1.5 meters, the reflectivity of the ground is about 20%, and the irradiation sensors at four different installation positions are used for respectively acquiring the illumination intensity data of the front and the back of the two groups of double-sided photovoltaic modules, namely H1 is just、H1 Back of body、H2 is just、H2 Back of body；
(3) Calculating to obtain the total irradiation intensity H of the double-sided photovoltaic module1 Total、H2 Total；
H1 Total＝H1 is just+Bi·H1 Back of body；
H2 Total＝H2 is just+Bi·H2 Back of body；
Wherein Bi is a bifacial factor of the corresponding bifacial photovoltaic module, and can be directly obtained according to parameters provided by a bifacial photovoltaic module manufacturer, and the bifacial factor Bi in the example is 85%.
(4) Searching for an optimal installation angle;
at the reference inclination angle alpha0On the basis of (1), selecting a stable irradiation time period, and completing the measurement of total radiation intensity within the range of +/-5 ℃ within 1 minute of stable irradiation1 TotalAnd H2 TotalWill change and calculate H of each angle position1 TotalAnd H2 Total，H1 TotalAnd H2 TotalWhen the values are respectively maximum values, the actual inclination angles alpha of the two groups of current double-sided photovoltaic modules1、α2Namely the optimal installation angle, wherein the process data of one specific measurement is shown in the following table, and the measurement result shows that the optimal inclination angle of the upper row double-sided photovoltaic module is alpha120 degrees, and the optimal inclination angle alpha of the lower row of double-sided photovoltaic modules2＝22°。
In this example, the above process is repeatedly performed after a set period of time (e.g. 12:00 pm every day, or the most stable period of irradiation every day, or according to empirical data) to search for the optimal installation angle of the two groups of double-sided photovoltaic modules at the next period of time.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the scope of the invention. Any person skilled in the art can make some modifications without departing from the scope of the invention, i.e. all equivalent modifications made according to the invention shall be covered by the scope of the invention.
Claims (6)
1. The utility model provides a support is trailed to two-sided photovoltaic module of solar energy suitable for double row installation from top to bottom, includes the stand of installation usefulness, a serial communication port, the two-sided photovoltaic module of solar energy trails support further includes torque pipe, first crossbeam, second crossbeam, first driver and second driver, the torque pipe sets up on the stand, first crossbeam with rotate between the torque pipe connect and first crossbeam is located one side of stand, the second crossbeam with rotate between the torque pipe connect and the second crossbeam is located the opposite side of stand, install first two-sided photovoltaic module on the first crossbeam, install the two-sided photovoltaic module of second on the second crossbeam, first driver with first crossbeam is connected and can drive first crossbeam centers on the torque pipe rotates, the second driver with the second crossbeam is connected and can drive the second crossbeam centers on the torque pipe rotates .
2. The solar bifacial photovoltaic module tracking rack of claim 1, further comprising irradiance sensor detecting means for detecting the front and back irradiance intensities of the first bifacial photovoltaic module and the front and back irradiance intensities of the second bifacial photovoltaic module, respectively.
3. The solar bifacial photovoltaic module tracking rack of claim 2, wherein said irradiance sensor detecting device comprises a first sensor mounted on a front side of said first beam, a second sensor mounted on a back side of said first beam, a third sensor mounted on a front side of said second beam, and a fourth sensor mounted on a back side of said second beam.
4. The solar bifacial photovoltaic module tracking bracket of claim 1, wherein said first actuator is a linear actuator, one end of said first actuator is hinged to said first beam, the other end of said first actuator is hinged to said vertical post, and a triangular support structure is formed between said first actuator, said vertical post and said first beam; the second driver is a linear driver, one end of the second driver is hinged to the second beam, the other end of the second driver is hinged to the upright column, and a triangular supporting structure is formed among the second driver, the upright column and the second beam.
5. The solar bifacial photovoltaic module tracking bracket of claim 4, wherein said first driver is an electric putter and said second driver is an electric putter.
6. The solar bifacial photovoltaic module tracking bracket of claim 1, wherein said uprights include a fixed first upright, a movable second upright, a telescoping sliding connection being provided between said first upright and said second upright, said torque tube being provided on said second upright.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020755951.0U CN211791402U (en) | 2020-05-09 | 2020-05-09 | Solar double-sided photovoltaic module tracking support suitable for up-down double-row installation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020755951.0U CN211791402U (en) | 2020-05-09 | 2020-05-09 | Solar double-sided photovoltaic module tracking support suitable for up-down double-row installation |
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| CN211791402U true CN211791402U (en) | 2020-10-27 |
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| CN202020755951.0U Active CN211791402U (en) | 2020-05-09 | 2020-05-09 | Solar double-sided photovoltaic module tracking support suitable for up-down double-row installation |
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- 2020-05-09 CN CN202020755951.0U patent/CN211791402U/en active Active
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