CN114337511A - Photovoltaic equipment - Google Patents
Photovoltaic equipment Download PDFInfo
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- CN114337511A CN114337511A CN202111566176.XA CN202111566176A CN114337511A CN 114337511 A CN114337511 A CN 114337511A CN 202111566176 A CN202111566176 A CN 202111566176A CN 114337511 A CN114337511 A CN 114337511A
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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 embodiment of the invention discloses a photovoltaic device, which comprises: a fixed frame and a plurality of photovoltaic units; wherein, fixed frame symmetric welding is in removing the carriage to bolt and first photovoltaic unit swing joint through the spacing inslot, first photovoltaic unit is cut formula with adjacent photovoltaic unit in proper order and is connected to form photovoltaic equipment and generate electricity, thereby improve prior art photovoltaic equipment and expand the phenomenon that photovoltaic module is unsmooth, the steadiness is poor, but and increase light storage capacity, improved photovoltaic equipment's practicality.
Description
Technical Field
The embodiment of the invention relates to the field of photovoltaics, in particular to photovoltaic equipment.
Background
Because most of the current photovoltaic power stations are built in places with wide areas and sufficient sunlight, the photovoltaic panels of the current megawatt-level solar photovoltaic power stations are mainly fixed and mounted stably, namely, the photovoltaic panels are mainly supported by a steel framework, and an aluminum alloy pressing block is used as a fixing component to fix the photovoltaic panels in a solar energy sufficient area. However, with the continuous improvement of photovoltaic technology, the photovoltaic module is lighter and lighter, and a movable portable photovoltaic module is provided.
Portable photovoltaic modules, which are mobile, are increasingly being used by numerous outdoor groups or organizations to provide high power load devices, since they are not constrained to fixed locations. In prior art, researchers stick or mechanically fix stereoplasm photovoltaic board on folding mechanism, draw in folding mechanism in as photovoltaic equipment on the car, but because its photovoltaic capacity is low, folding mechanism expandes factor such as unstable, lead to the practicality poor, hardly realize the wide application.
Disclosure of Invention
The embodiment of the invention provides a photovoltaic device, which can increase the optical storage capacity and improve the stability of a folding mechanism, thereby improving the practicability of the photovoltaic device.
An embodiment of the present invention provides a photovoltaic device, including: a fixed frame and a plurality of photovoltaic units; wherein the content of the first and second substances,
the fixed frames are symmetrically welded in the movable carriage and are movably connected with the first photovoltaic unit through bolts in the limiting grooves, and the first photovoltaic unit is sequentially connected with the adjacent photovoltaic units in a shearing mode to form photovoltaic equipment for power generation;
the photovoltaic unit comprises a connecting rod and a photovoltaic frame, wherein the connecting rod is symmetrically connected to the central positions of two side walls of the photovoltaic frame; wherein, in the first photovoltaic unit the both ends of first connecting rod respectively with photovoltaic frame swing joint in the first bolt of fixed frame and the next photovoltaic unit, in the first photovoltaic unit first photovoltaic frame respectively with the second bolt of fixed frame and the connecting rod swing joint in the next photovoltaic unit.
Optionally, the limiting groove of the fixing frame further comprises: and the stop pin is used for stopping the downward sliding of the second bolt.
Optionally, the limiting groove of the fixing frame further comprises: and the at least one stop groove is matched with the stop pin and is used for selecting according to different sunlight angles of the photovoltaic units.
Optionally, a plurality of purlins are distributed in the photovoltaic frame and used for installing at least one group of light photovoltaic modules.
Optionally, the light photovoltaic module is bonded to the purline through an adhesive.
Optionally, the adhesive comprises: silica gel or nitrile rubber tape.
Optionally, the light photovoltaic module is formed by laminating a battery piece and an insulating polymer.
Optionally, the purlins are installed in the slots of the side walls of the photovoltaic frame.
Optionally, the photovoltaic device further includes:
a set of pulleys are arranged at intervals of the photovoltaic units, and the pulleys are connected to the bottom end of the photovoltaic frame of the previous photovoltaic unit and the bottom end of the connecting rod of the next photovoltaic unit together and used for sliding in the guide rail constructed by the fixing pile when the photovoltaic units are unfolded.
Optionally, the fixing pile is formed by welding a bottom plate, a stand column and a guide rail supporting groove.
An embodiment of the present invention provides a photovoltaic device, including: a fixed frame and a plurality of photovoltaic units; wherein, fixed frame symmetric welding is in removing the carriage to bolt and first photovoltaic unit swing joint through the spacing inslot, first photovoltaic unit is cut formula with adjacent photovoltaic unit in proper order and is connected to form photovoltaic equipment and generate electricity, thereby improve prior art photovoltaic equipment and expand the phenomenon that photovoltaic module is unsmooth, the steadiness is poor, but and increase light storage capacity, improved photovoltaic equipment's practicality.
Drawings
Fig. 1 is a schematic overall structure diagram of a photovoltaic device in an application scenario according to an embodiment of the present invention;
fig. 2 is a schematic partial structure diagram of a photovoltaic device according to an embodiment of the present invention;
FIG. 3 is a front view of a fixed frame provided by an embodiment of the present invention;
fig. 4 is a schematic structural view of a connection between a fixing frame and a first photovoltaic unit according to an embodiment of the present invention;
fig. 5 is a partial schematic view of a photovoltaic frame structure of a first photovoltaic unit provided by an embodiment of the present invention;
FIG. 6 is a cross-sectional view of a guide rail according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a pulley sliding on a guide rail according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a fixing pile according to an embodiment of the present invention;
fig. 9 is a schematic view of a scenario for laying a fixing pile according to an embodiment of the present invention;
fig. 10 is a schematic view of a scene for laying a guide rail according to an embodiment of the present invention;
fig. 11 is a schematic view of a scene for laying photovoltaic equipment according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Fig. 1 is a schematic overall structural diagram of a photovoltaic device in an application scenario, which is provided in an embodiment of the present invention, and includes: a moving car 10, a fixed frame 20, a plurality of photovoltaic units 30, a guide rail 40, and a spud 50. Fig. 2 is a schematic partial structural diagram of a photovoltaic device according to an embodiment of the present invention, including: the photovoltaic module fixing frame comprises a fixing frame 20, a first bolt 201, a second bolt 202, a limiting groove 203, a plurality of photovoltaic units 30, a first photovoltaic unit 301, a first connecting rod 3011 of the first photovoltaic unit, a first photovoltaic frame 3012 of the first photovoltaic unit, a second photovoltaic unit 302, a second connecting rod 3021 of the second photovoltaic unit, and a second photovoltaic frame 3022 of the second photovoltaic unit.
The fixed frame 20 is symmetrically welded in the movable carriage 10 and is movably connected with a first photovoltaic unit 301 through a bolt in a limiting groove 203, and the first photovoltaic unit 301 is sequentially connected with adjacent photovoltaic units in a shearing mode to form photovoltaic equipment for power generation;
the photovoltaic unit 30 comprises a connecting rod and a photovoltaic frame, wherein the connecting rod is symmetrically connected to the central positions of two side walls of the photovoltaic frame; wherein, both ends of the first link 3011 in the first photovoltaic unit are respectively movably connected with the first bolt 201 of the fixed frame and the top end of the second photovoltaic frame 3022 of the second photovoltaic unit (i.e. the photovoltaic frame in the next photovoltaic unit), and the first photovoltaic frame 3012 in the first photovoltaic unit is respectively movably connected with the second bolt 202 of the fixed frame and the bottom end of the second link 3021 of the second photovoltaic unit (the link in the next photovoltaic unit).
The mobile car 10 mentioned in the present embodiment and the drawings is illustrated by taking a container as an example, but in practice, the mobile car 10 includes, but is not limited to, a container, and may be other boxes capable of loading photovoltaic units for providing a mobile option of a photovoltaic power plant.
The fixing frame 20 in this embodiment is a pair of rectangular frames, and the bottom surface of the fixing frame 20 can be fixed on the bottom plate of the container by welding for connecting with the photovoltaic unit 30, so as to increase the stability of the photovoltaic unit 30 in the unfolding process.
The limiting groove 203 in this embodiment is a sliding groove provided in the fixing frame 20, and serves as a sliding groove channel of the bolt. The photovoltaic unit 30 can be smoothly and orderly unfolded by inserting the first photovoltaic unit 301 into the limit groove 203 of the fixing frame 20. For example, the limiting groove 203 in the present embodiment may be divided into an upper sliding groove, a front sliding groove, and a lower sliding groove, and is used to provide a channel in which the first pin 201 and the second pin 202 can slide.
Optionally, the fixing frame further includes, in the limiting groove 203: and the stop pin is used for stopping the downward sliding of the second bolt. As shown in fig. 3 and 4, fig. 3 is a front view of a fixing frame according to an embodiment of the present invention, and fig. 4 is a schematic structural view of the connection between the fixing frame according to the embodiment of the present invention and a first photovoltaic unit, including: the fixing frame 20, a first bolt 201, a second bolt 202, a limit groove 203 and a stop pin 204.
Specifically, the upper rotating pin (i.e., the second pin 202) of the photovoltaic panel (i.e., the photovoltaic unit 30) connected to the fixing frame 20 is located at the leftmost side of the upper sliding groove before the photovoltaic panel is unfolded, and the lower rotating pin (i.e., the first pin 201) is located at the leftmost side of the lower sliding groove. At the tensile initial stage of photovoltaic unit, folding support (photovoltaic unit) angle is unchangeable whole and is moved forward, goes up the sliding pin at this moment and moves from left right side fast in last sliding tray, and lower sliding pin also moves from left right side in lower sliding tray, and when upper and lower sliding pin all moved to the rightmost side, the sliding pin stop moving down, goes up the sliding pin and turns to from top to bottom in preceding sliding tray by last sliding tray and moves down, because preceding sliding tray bottom is equipped with the stop pin, consequently can stop the gliding when last sliding pin contact stop pin.
Optionally, the limiting groove of the fixing frame further comprises: at least one retaining groove (not shown) matching with the retaining pin is used for selecting according to different shining angles of the photovoltaic units.
Specifically, stop pin 204 can freely plug, consequently can be provided with a plurality of retaining grooves in the sliding tray in the front for adjust the photovoltaic board angle, all photovoltaic boards all can design the angle as required, with the fixed photoelectric conversion that carries out. For example, the shining angle of the unfolded folded lightweight photovoltaic module can be set to 30 °, and then the stop pin can be placed in the stop groove matched with the design angle of 30 °.
Specifically, the photovoltaic unit 30 in this embodiment is used for carrying a photovoltaic module to perform photoelectric conversion. Wherein each group of photovoltaic units can bear at least one group of photovoltaic components. The photovoltaic module can be a hard photovoltaic module and also can be a light photovoltaic module.
As the photovoltaic folding scheme in the prior art mostly adopts the hard photovoltaic module, the front surface of a cell of the hard photovoltaic module is provided with 3.2mm of toughened glass, the peripheral edge of the cell is provided with an aluminum alloy frame with the thickness of 35mm, and the total weight of one plate can reach about 28 kg. Also assuming the case of 3 panels per frame, the increased weight of the rigid photovoltaic module results in an increased frame size, as well as an increased wheel diameter at the bottom of the frame, resulting in a 1 meter thick frame that can be folded only 8 frames for a total capacity of only 10.32 kw. Therefore, the number of photovoltaic units formed by rigid photovoltaic modules is very limited due to the weight and ground conditions, and the frame is deformed when the photovoltaic units are placed outdoors for a long time. That is, although the capacity of the rigid photovoltaic module can be made larger and the cost is lower, the weight of the rigid photovoltaic module is limited to be 4-5 times that of the light photovoltaic module, and the number of the photovoltaic panels which can be installed on the whole frame is limited, so that the total photovoltaic capacity is limited, and therefore the photovoltaic unit 30 in the embodiment is particularly suitable for installing the light photovoltaic module with large capacity, and therefore the light photovoltaic module is preferably adopted.
Illustratively, a plurality of purlins are distributed in the photovoltaic frame and used for installing at least one group of light photovoltaic modules, and the light photovoltaic modules are bonded with the purlins through adhesives. Fig. 5 is a partial schematic view of a photovoltaic frame structure of a first photovoltaic unit according to an embodiment of the present invention, including: a first photovoltaic unit 301, a first photovoltaic frame 3012 of the first photovoltaic unit, and a plurality of purlins 3013. As shown in fig. 5, in the present embodiment, 4 purlins 3013 are exemplarily marked, and are installed in the slots on the two sidewalls of the photovoltaic frame, so that three light photovoltaic modules can be adhered. Illustratively, the adhesive comprises silica gel or nitrile tape. Illustratively, the lightweight photovoltaic module is formed by laminating a cell sheet and an insulating polymer. It should be noted that fig. 5 shows the first photovoltaic frame 3012 with pulleys, but the first photovoltaic frame may not have pulleys according to the requirement.
Specifically, the bottom surface of the cell piece is pressed together with the insulating polymer material, and the polymer plate at the bottom plays a role in supporting, so that the area of the cell piece can be increased, and the power is enabled to be similar to the capacity difference of the hard photovoltaic module. The light photovoltaic module adopted by the embodiment of the invention has the thickness of 20mm, so that 25 groups of photovoltaic units can be folded in one meter thick, namely 25 groups of photovoltaic frames can be accommodated. Assuming that 3 light photovoltaic modules are adhered to each photovoltaic frame, the total capacity can reach 32.25kw, and because the weight of the light photovoltaic modules is only 1/3 of the rigid photovoltaic modules, the photovoltaic capacity of the frames with the same size can be loaded by more than 3 times, and the storage capacity of the photovoltaic equipment can be greatly improved to meet the use requirement of large-scale equipment.
Optionally, the photovoltaic device further includes: a set of pulleys are arranged at intervals of the photovoltaic units, and the pulleys are connected to the bottom end of the photovoltaic frame of the previous photovoltaic unit and the bottom end of the connecting rod of the next photovoltaic unit together and used for sliding in the guide rail constructed by the fixing pile when the photovoltaic units are unfolded. As shown in fig. 2, a pulley 60 is disposed between the first photovoltaic unit 301 and the second photovoltaic unit 302, specifically, the pulley 60 is added to the bottom end of the second photovoltaic frame 3012 of the first photovoltaic unit and the bottom end of the second link 3021 of the second photovoltaic unit together to be movably connected, and the pulley may not be disposed between the second photovoltaic unit 302 and the adjacent third photovoltaic unit.
Since the diameter of the pulleys below the photovoltaic panel affects the thickness of the photovoltaic panel folded together, in this embodiment, the pulleys are not arranged below each photovoltaic frame, but a pair of pulleys is arranged at an interval between the photovoltaic frames, which reduces the cost and improves the capacity. It should be noted that, in other embodiments, a group of pulleys may be further disposed between the plurality of photovoltaic units at intervals, or pulleys are disposed at the bottom end of the frame of each group of photovoltaic units.
Because the quantity of photovoltaic frames can be increased or decreased according to the requirement for the light photovoltaic folding mechanism (photovoltaic unit) of this embodiment, therefore when the photovoltaic frames increase, the resistance that the photovoltaic frames stretch and unfold can be greatly increased, so need increase the guide rail in photovoltaic frame bottom to guarantee that all frames are at same horizontal plane, in order to reduce tensile resistance. It is not at all practical to increase the photovoltaic capacity by increasing the number of frames for the traditional folding solution without adding guide rails. Moreover, because application places are variable, and the ground paved by the fixing piles can be soft soil or uneven hills, the folding mechanism is erected by arranging the fixing piles, so that the uneven ground can be compensated, and the photovoltaic panel is prevented from being polluted by ground dust splashed by rainwater.
As shown in fig. 6, 7 and 8, fig. 6 is a schematic cross-sectional view of a guide rail according to an embodiment of the present invention, fig. 7 is a schematic structural view of a pulley sliding on the guide rail according to the embodiment of the present invention, and fig. 8 is a schematic structural view of a fixing pile according to the embodiment of the present invention. The guide rail 40 in this embodiment may be made of C-steel, which has a groove width slightly larger than the width of the pulley 60, so that the pulley 60 of the photovoltaic unit can move freely in the guide rail 40. The fixing pile 50 comprises a guide rail supporting groove 501, a vertical column 502 and a bottom plate 503 which are welded together, wherein the guide rail supporting groove 501 is used for supporting the guide rail 40, the bottom plate 503 is directly located on the ground to support the whole structure, and the bottom plate 503 is provided with four bolt holes 504 so as to be locked with the ground by bolts to enhance the stability. For example, when the stud 50 is placed on a hard ground, a bolt is screwed down at a corresponding hole, a bolt hole is sleeved with the stud, and a nut is screwed; if the fixing pile 50 is placed on the ground, a capped wedge is directly driven through the bolt hole to fix the pile.
For convenience of understanding, fig. 9, fig. 10 and fig. 11 are respectively a schematic view of a scene using photovoltaic equipment according to an embodiment of the present invention, fig. 9 is a schematic view of a scene where a spud pile is laid according to an embodiment of the present invention, fig. 10 is a schematic view of a scene where a guide rail is laid according to an embodiment of the present invention, and fig. 11 is a schematic view of another scene where photovoltaic equipment is laid according to an embodiment of the present invention. More specifically, the installation process of the photovoltaic device protected by this embodiment is:
(1) the container filled with the photovoltaic panels is moved to a work place according to user requirements, and workers can open side doors of the container to prepare for unfolding the photovoltaic panels.
(2) The spud pile is laid to the earlier folded sheet pulley walking route of staff, about 8 meters of single guide rail length, lay the spud pile in the linking department of per two guide rails, a pair ofly is placed to about 8 meters of spud pile, the guide rail is placed again above finishing to the spud pile, place the guide rail support inslot at the spud pile and occupy half the position with the guide rail terminal surface, two guide rail terminal surface contact each other occupy whole guide rail support groove jointly, the bottom plate of container itself has a take the altitude, so the design is guaranteed to be supported the guide rail height after and the pulley highly uniform of photovoltaic board in the container, the folding support of photovoltaic can directly follow the guide rail operation like this.
(3) After the guide rail is laid, the outermost photovoltaic frame is slowly stretched, pulleys are mounted at the bottom of the photovoltaic frame, the diameter of each pulley is 80mm, the width of each pulley is 20mm, the main body material SPCC is made of polyurethane, the weight of each pulley is 1.8kg, the allowable load is 2.8kg, the width of each guide rail groove is 40mm, each pulley moves forwards along the corresponding guide rail groove, and all frames are synchronously unfolded along with the movement of the outermost frame. The inside of the fixed frame is provided with a sliding groove used for sliding the rotating pin of the folding bracket, the sliding groove is divided into an upper sliding groove, a front sliding groove and a lower sliding groove, the upper rotating pin connected with the fixed frame is positioned at the leftmost side of the upper sliding groove before the photovoltaic panel is unfolded, the lower rotating pin is positioned at the leftmost side of the lower sliding groove, at the initial stage of stretching, the folding bracket integrally moves forwards without changing the angle, at the moment, the upper rotating pin moves from left to right rapidly in the upper sliding groove, the lower rotating pin moves from left to right in the lower sliding groove, when the upper rotating pin and the lower rotating pin move to the rightmost side, the lower rotating pin stops moving forwards, the upper rotating pin moves downwards from top to bottom in the front sliding groove, the angle of the folding photovoltaic support starts to be reduced and the angle is required when the folding photovoltaic support is unfolded, after the unfolding is finished, the sliding pin is only needed to be used for blocking the pulley of the photovoltaic frame on the outermost side, and all photovoltaic panels can be fixed according to the design angle to perform photoelectric conversion.
The photovoltaic equipment provided by the embodiment of the invention can improve the phenomena of unsmooth unfolding and poor stability of a photovoltaic module of the photovoltaic equipment in the prior art, increase the optical storage capacity and improve the practicability of the photovoltaic equipment.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A photovoltaic device, comprising: a fixed frame and a plurality of photovoltaic units; wherein the content of the first and second substances,
the fixed frames are symmetrically welded in the movable carriage and are movably connected with the first photovoltaic unit through bolts in the limiting grooves, and the first photovoltaic unit is sequentially connected with the adjacent photovoltaic units in a shearing mode to form photovoltaic equipment for power generation;
the photovoltaic unit comprises a connecting rod and a photovoltaic frame, wherein the connecting rod is symmetrically connected to the central positions of two side walls of the photovoltaic frame; wherein, in the first photovoltaic unit the both ends of first connecting rod respectively with photovoltaic frame swing joint in the first bolt of fixed frame and the next photovoltaic unit, in the first photovoltaic unit first photovoltaic frame respectively with the second bolt of fixed frame and the connecting rod swing joint in the next photovoltaic unit.
2. The photovoltaic device of claim 1, wherein the retaining frame further comprises, within a retaining groove: and the stop pin is used for stopping the downward sliding of the second bolt.
3. The photovoltaic device of claim 2, wherein the retaining frame further comprises, within a retaining groove: and the at least one stop groove is matched with the stop pin and is used for selecting according to different sunlight angles of the photovoltaic units.
4. The photovoltaic apparatus of claim 3, wherein a plurality of purlins are distributed within the photovoltaic frame for mounting at least one set of lightweight photovoltaic modules.
5. The photovoltaic device of claim 4, wherein the lightweight photovoltaic module is bonded to the purlins by an adhesive.
6. The photovoltaic device of claim 5, wherein the adhesive comprises: silica gel or nitrile rubber tape.
7. The photovoltaic device of claim 6, wherein the lightweight photovoltaic module is formed by laminating a cell sheet and an insulating polymer.
8. The photovoltaic apparatus of claim 7, wherein the purlins are mounted within slots of the photovoltaic frame sidewalls.
9. The photovoltaic device of claim 8, further comprising:
a set of pulleys are arranged at intervals of the photovoltaic units, and the pulleys are connected to the bottom end of the photovoltaic frame of the previous photovoltaic unit and the bottom end of the connecting rod of the next photovoltaic unit together and used for sliding in the guide rail constructed by the fixing pile when the photovoltaic units are unfolded.
10. The photovoltaic device of claim 9, wherein the stakes are welded to the base plate, the posts and the rail support channels.
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| CN202111566176.XA CN114337511A (en) | 2022-03-02 | 2022-03-02 | Photovoltaic equipment |
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| CN202111566176.XA CN114337511A (en) | 2022-03-02 | 2022-03-02 | Photovoltaic equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115085648A (en) * | 2022-08-22 | 2022-09-20 | 江苏库纳实业有限公司 | Photovoltaic support for solar tracking |
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