CN220629253U - Concentrating tracking support power generation unit - Google Patents
Concentrating tracking support power generation unit Download PDFInfo
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- CN220629253U CN220629253U CN202320069953.8U CN202320069953U CN220629253U CN 220629253 U CN220629253 U CN 220629253U CN 202320069953 U CN202320069953 U CN 202320069953U CN 220629253 U CN220629253 U CN 220629253U
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Abstract
The utility model provides a spotlight type tracking support power generation unit, includes the truss that the cross-section is the shape of falling A, set up in adjacent coupling mechanism between the truss, and connect in the dragging mechanism of truss side, the top of truss is equipped with the recess, photovoltaic module board is installed to the bottom surface of recess, the mirror reflection board is installed to the both sides face of recess, through dragging mechanism drags the truss tracks the motion of sun and rotates, the direct light of sun and the reflection light of mirror reflection board are received to photovoltaic module board. The utility model plays an advantageous combination of the tracking bracket and the low-power condensation structure, and achieves the economic aims of reducing the power station electricity cost and improving the project investment yield by greatly improving the power generation efficiency of the photovoltaic module board.
Description
Technical Field
The utility model relates to the technical field of photovoltaic power stations, in particular to a concentrating tracking bracket power generation unit.
Background
In the technical theory field of photovoltaic power stations, in order to improve the power generation efficiency of the photovoltaic module board, one branch technical field is a tracking bracket, and the other branch technical field is a light-gathering structure. The tracking support can exist alone, but the light condensing structure cannot exist alone, and the light condensing structure is combined on the tracking support structure to greatly improve the power generation efficiency of the photovoltaic module board. In China, no engineering case of combining a tracking bracket and a low-concentration structure, which has economic significance and can be widely popularized and applied, is seen in engineering practice under the prior art condition.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model provides the concentrating tracking bracket power generation unit capable of greatly improving the power generation efficiency of the photovoltaic module board.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a spotlight type tracking support power generation unit, includes the truss that the cross-section is the shape of falling A, set up in adjacent coupling mechanism between the truss, and connect in the dragging mechanism of truss side, the top of truss is equipped with the recess, photovoltaic module board is installed to the bottom surface of recess, the mirror reflection board is installed to the both sides face of recess, through dragging mechanism drags the truss tracks the motion of sun and rotates, the direct light of sun and the reflection light of mirror reflection board are received to photovoltaic module board.
Further, the truss comprises a plurality of inverted A-shaped members, a plurality of longitudinal beams are connected to the inverted A-shaped members, and inclined struts or scissor struts are arranged on the side surfaces and the plane of the longitudinal beams.
Further, the inverted-A-shaped member comprises two side rod pieces, a horizontal rod piece connected to the side rod pieces, and a node plate arranged at the bottom of the side rod pieces, wherein the side rod pieces, the horizontal rod pieces and the node plate form a stable in-plane triangle.
Further, the longitudinal beam at the bottom of the truss is a circular rod, the circular rod is connected with a fixed object through a hinged support, and the truss can rotate around the axis of the circular rod.
Further, the width of the top of the groove is 1.5 times or more of the width of the bottom of the groove.
Further, the connecting mechanism is a through long connecting rod, the through long connecting rod is connected to the trusses which are arranged in parallel, a zigzag triangular pyramid is arranged on the through long connecting rod, and the top of the triangular pyramid is hinged with a horizontal rod piece in the middle of the truss.
Further, the coupling mechanism includes a plurality of flexible cables, one end of the flexible cables is connected to the side bar members of the truss, the other end is hinged to the support cable, and the support cable is connected to the inverted-A-shaped tips of the trusses which are arranged in parallel.
Further, a first pulley is arranged on the support stay rope between the adjacent trusses, one end of the flexible stay rope is connected with the side rod piece of the truss, and the other end of the flexible stay rope bypasses the first pulley and is connected with the side rod piece of the adjacent truss.
Further, the dragging mechanism comprises steel wire ropes arranged on two sides of the truss, the steel wire ropes are connected to a winch, and the winch drives the steel wire ropes to drag the truss to rotate along with the movement of the sun.
Further, a tensioner is arranged on the steel wire rope.
The utility model has the beneficial effects that:
the truss is driven by the dragging mechanism to track the movement of the sun to rotate, the generating capacity can be improved, the mirror reflection plates are arranged on two sides of the groove at the top of the truss, the photovoltaic module plate can simultaneously receive direct rays of the sun and reflected rays of the mirror reflection plates, the light gathering effect is achieved, the received light irradiation energy is greatly improved, the generating capacity is greatly improved, the advantages of the tracking support and the low-power light gathering structure are combined, the generating efficiency of the photovoltaic module plate is greatly improved, the power station electricity cost is reduced, and the economic target of project investment income rate is improved.
Drawings
FIG. 1 is a schematic view of the structure of a truss in a concentrating tracking stent power generation unit of the present utility model;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a schematic view of the structure of an inverted A-shaped member in the concentrating tracking bracket power generation unit of the present utility model;
FIG. 4 is a state diagram of a concentrating tracking stand power generation unit of the present utility model in early morning hours;
FIG. 5 is a state diagram of the concentrating tracking bracket power generation unit in the midday period of the utility model;
FIG. 6 is a state diagram of the power generation unit of the concentrating tracking bracket in the evening period;
FIG. 7 is a schematic view of a long connecting rod according to an embodiment of the present utility model;
FIG. 8 is a schematic view of a flexible cable according to another embodiment of the utility model;
FIG. 9 is a schematic diagram of the shape and size of a groove according to one embodiment of the present utility model;
in the figure, 1-truss, 11-groove, 12-inverted A-shaped member, 121-side rod member, 122-horizontal rod member, 123-node plate, 13-longitudinal beam, 131-circular rod, 14-diagonal brace, 15-hinge support, 2-connecting mechanism, 21-through long connecting rod, 22-zigzag triangular pyramid, 23-flexible cable, 24-first pulley, 25-bracket cable, 3-dragging mechanism, 31-wire rope, 32-hoist, 33-balancing weight, 34-second pulley, 35-steel frame, 4-photovoltaic module plate, 5-mirror reflection plate and 6-pile.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
As shown in fig. 1 to 4, the present utility model provides a concentrating tracking bracket power generation unit, which comprises trusses 1 with inverted a-shaped cross sections, a connecting mechanism 2 arranged between adjacent trusses 1, and a dragging mechanism 3 connected to the side surfaces of the trusses 1. The top of truss 1 is equipped with recess 11, and in this embodiment, recess 11 is the inverted trapezoid groove, and photovoltaic module board 4 is installed to the bottom surface of recess 11, and mirror reflection board 5 is installed to the both sides face of recess 11, drags truss 1 through dragging mechanism 3 and tracks the motion of sun and rotate, and photovoltaic module board 4 can receive the direct light of sun and the reflection light of mirror reflection board 5 simultaneously.
According to the concentrating tracking bracket power generation unit, under the dragging of the dragging mechanism 3, the truss 1 rotates around the shaft to track the movement of sun from east to west, at least one-dimensional axis of the photovoltaic module board 4 is perpendicular to the direct solar light, the photovoltaic module board 4 receives the direct solar light and simultaneously receives the reflected light from the mirror reflection boards 5 on two sides, namely the received light irradiation energy is greatly improved, the generated energy is further greatly improved, the advantage combination of the tracking bracket and the low-power concentrating structure is exerted, and the economic targets of reducing the power station power cost and improving the project investment income rate are achieved by greatly improving the power generation efficiency of the photovoltaic module board 4.
As shown in fig. 1 to 3, the truss 1 includes a plurality of inverted a-shaped members 12, a plurality of longitudinal beams 13 are connected to the inverted a-shaped members 12, and inclined struts 14 or scissors struts are provided on the sides and planes of the longitudinal beams 13 to form a space-stable structure. The longitudinal beam 13 at the bottom of the truss 1 is a circular rod 131, the circular rod 131 is connected with a fixed object through a hinged support 15, and the truss 1 can rotate around the axis of the circular rod 131 under the action of external force, so that the sun tracking movement function is realized.
The inverted-a-shaped member 12 includes two side bar members 121, a horizontal bar member 122 connected to the side bar members 121, and a gusset 123 provided at the bottom of the side bar members 121, the horizontal bar member 122, and the gusset 123 forming a stable in-plane triangle. The horizontal rod member 122 is provided with a photovoltaic module panel 4, and the inner sides of the two side rod members 121 are provided with mirror reflection panels 5. When the sunlight vertically irradiates the photovoltaic module board 4, the mirror reflection boards 5 on two sides reflect the sunlight to the photovoltaic module board 4 at the same time, namely, the light irradiation energy received by the photovoltaic module board 4 is increased, and the generating capacity of the photovoltaic module board 4 is improved.
Preferably, in order to obtain a sufficient notch lighting gain effect, the width of the top of the groove 11 is 1.5 times or more the width of the bottom of the groove 11.
Fig. 4 to 7 show a spatial combination of the concentrating tracking bracket power generation units, wherein fig. 4 shows an early morning state, the photovoltaic module panel of the truss faces eastern, fig. 5 shows a midday state, the photovoltaic module panel of the truss faces zenith, and fig. 6 shows an evening state, the photovoltaic module panel of the truss faces western.
The trusses 1 are arranged in parallel to form a combined array for use, each truss 1 is connected to the pile 6 through a hinged support 15, and adjacent trusses 1 are connected through a connecting mechanism 2. In this embodiment, the connection mechanism 2 is a through long connecting rod 21, and the through long connecting rod 21 is connected to a plurality of trusses 1 arranged in parallel, so as to ensure that the trusses 1 rotate synchronously to track the sun motion. The through long connecting rod 21 is provided with a zigzag pyramid 22, the top of the zigzag pyramid 22 is hinged with the horizontal rod piece 122 in the middle of the truss 1, and the zigzag pyramid 22 can avoid shadows cast on the surface of the photovoltaic module board 4. The trusses 1 are dragged to slowly rotate from east to west by the dragging mechanism 3, the trusses 1 synchronously rotate under the transmission action of the through long connecting rod 21, the diurnal motion of the sun is tracked, and the solar energy is kept away from wind or enters a standby state at night.
The arrangement can horizontally arrange the longitudinal shaft ends of the truss 1 north and south, can arrange the truss in a north-south-high-low-inclination mode, and can also vertically arrange the truss perpendicular to the ground.
The dragging mechanism 3 includes steel wire ropes 31 disposed at both sides of the truss 1, the steel wire ropes 31 are connected to a hoist 32, the steel wire ropes 31 are driven by the hoist 32, the truss 1 is dragged to rotate along with the movement of the sun, specifically, the steel wire ropes 31 are connected to side rod pieces 121 of the truss 1 and connected to the hoist 32 by bypassing a second pulley 34, and the second pulley 34 is mounted on a steel frame 35 at one side of the pile 6. The hoist 32 drives the steel wire rope 31 to drag the trusses 1 to rotate, and the trusses 1 which are arranged side by side synchronously track the rotation movement of the sun from east to west under the action of the through long connecting rod 21. The whole bracket is similar to a large linkage mode of a plurality of rows of flat single shafts. Preferably, the wire rope 31 is provided with a tensioner, which always keeps the wire rope 31 and the through-length connecting rod 21 in a tension state, in this embodiment, the tensioner is a balancing weight 33 arranged at the other side of the truss 1, and the tensioning of the wire rope 31 is ensured by the balancing weight 33.
Referring to fig. 8, another embodiment of a concentrating tracking stent power generation unit is shown in the form of a spatial combination of flexible stents. The trusses 1 are arranged in parallel, wherein part of trusses 1 are arranged on piles 6 or support guy wires 25 at intervals, and adjacent trusses 1 are connected through a connecting mechanism 2. In this embodiment, the connection mechanism 2 includes a plurality of flexible cables 23, one end of each flexible cable 23 is connected to the side rod 121 of the truss 1, the other end is hinged to the support cable 25, the support cable 25 is connected to the inverted a-shaped tips of the trusses 1 arranged in parallel, and the plurality of rows of trusses 1 can be pulled to rotate synchronously by the flexible cables 23. Preferably, the first pulleys 24 are provided on the bracket cables 25 between the adjacent trusses 1, one ends of the flexible cables 23 are connected to the side bar members 121 of the trusses 1, and the other ends are connected to the side bar members 121 of the adjacent trusses 1 after bypassing the first pulleys 24. The head and tail sides of the truss 1 are pulled and dragged by a plurality of parallel steel wire ropes 31, so that all the trusses 1 synchronously track the rotation of the sun from east to west, and the photovoltaic module board 4 is kept perpendicular to the direct sunlight. The plurality of wire ropes 31 are driven by a coaxial multi-drum hoist 32 or by a plurality of servo motor hoists 32.
The space combined photovoltaic bracket has high clearance and large span, the plant road and the inverter room can be arranged below the bracket inhaul cable 25, and the land utilization rate is improved. The factory area greatly reduces the field leveling workload and the project investment and construction cost. Truss 1 can track the sun from east to west, and the tracking effect in China is to improve annual energy production by about 10% -20%. The left and right mirror reflection plates 5 on the inner side of the truss 1 can increase the lighting area of direct light of the photovoltaic module plate 4 by more than 50%, and further increase annual energy generation by more than 50% on the basis of the energy generation of the tracking bracket.
As shown in fig. 9, this is a typical groove 11 shape and size design, and the typical high power large area component is adopted, the width of the top of the groove 11 is 2216mm, the width of the bottom of the groove 11 is 1303mm, the inclined length of the mirror surface reflector 5 is 800mm, the included angle is 124.80 degrees, and the lighting area increasing proportion is 70%. The longitudinal axis of the truss 1 is arranged obliquely and uniaxially.
When the concentrating tracking bracket power generation unit is applied to Qinghai gella regions in China and the annual power generation amount of the optimal inclination angle fixing bracket is set to be 1 equivalent, the annual power generation amount of the technical scheme is as follows:
1 equivalent×1.21× (1+0.7×0.93) ×1.07×0.94×1.03=2.07 times (equivalent)
In the above formula:
1 = single Wp annual power generation equivalent of optimal tilt angle fixed mount;
1.21 Increase ratio value of annual energy production of single axis gelonin (difference across country);
0.7 Value of lighting area increase;
0.93 =high efficiency mirror reflection efficiency;
1.07 After=increasing the light irradiation intensity, the power generation output increases the proportion value nonlinearly;
0.94 Power generation amount reduction coefficient after loss of early and late light irradiation;
1.03 =oblique uniaxial vs. flat uniaxial increase factor.
The calculation result shows that the annual energy generation capacity of the power generation unit can reach 2.07 times of the optimal fixed inclination angle bracket. The generating capacity of the flat single-axis tracking bracket in the prior art is only 1.21 times of that of the optimal fixed-dip bracket.
In China, since the market of photovoltaic power generation is started on a large scale in 2010, the photovoltaic industry chain is struggling to improve the power generation efficiency. The photoelectric conversion rate per unit area of the main stream products in the upstream photovoltaic module board market is improved from 14% to 21.5%, the time of 12 years is improved by 55%, and the research and development funds of the whole industry chain input are more than 2000 hundred million yuan. The technical scheme expects that the power generation efficiency of the unit area of the photovoltaic assembly panel is improved by 50% -100% again through the space combination mode of the light-gathering tracking bracket power generation unit at the downstream terminal of the photovoltaic industry chain, a new path is developed for improving efficiency and reducing cost of the photovoltaic industry chain, and new kinetic energy is added for accelerating development of the photovoltaic power generation industry.
The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present utility model, which is intended to be covered by the claims of the present utility model.
Claims (10)
1. A concentrating tracking bracket power generation unit, comprising: the cross-section is the truss of falling A shape, set up in adjacent coupling mechanism between the truss, and connect in the dragging mechanism of truss side, the top of truss is equipped with the recess, photovoltaic module board is installed to the bottom surface of recess, the specular reflection board is installed to the both sides face of recess, through dragging mechanism drags the truss tracks the motion of sun and rotates, the direct light of sun and the reflection light of specular reflection board is received to photovoltaic module board.
2. The concentrating tracking stent power generation unit of claim 1 wherein: the truss comprises a plurality of inverted A-shaped members, a plurality of longitudinal beams are connected to the inverted A-shaped members, and inclined struts or scissor struts are arranged on the side surfaces and the plane of the longitudinal beams.
3. The concentrating tracking stent power generation unit of claim 2, wherein: the inverted-A-shaped member comprises two side rod pieces, a horizontal rod piece connected with the side rod pieces and a node plate arranged at the bottom of the side rod pieces, wherein the side rod pieces, the horizontal rod pieces and the node plate form a stable in-plane triangle.
4. The concentrating tracking stent power generation unit of claim 2, wherein: the longitudinal beam at the bottom of the truss is a round rod, the round rod is connected with a fixed object through a hinged support, and the truss can rotate around the axis of the round rod.
5. The concentrating tracking stent power generation unit of claim 1 wherein: the width of the top of the groove is 1.5 times or more of the width of the bottom of the groove.
6. The concentrating tracking stent power generation unit of claim 1 wherein: the connecting mechanism is a through long connecting rod, the through long connecting rod is connected to the trusses which are arranged in parallel, a zigzag triangular pyramid is arranged on the through long connecting rod, and the top of the triangular pyramid is hinged with a horizontal rod piece in the middle of the truss.
7. The concentrating tracking stent power generation unit of claim 1 wherein: the connecting mechanism comprises a plurality of flexible inhaul cables, one ends of the flexible inhaul cables are connected with side rod pieces of the trusses, the other ends of the flexible inhaul cables are hinged to support inhaul cables, and the support inhaul cables are connected with a plurality of inverted A-shaped tips of the trusses which are arranged in parallel.
8. The concentrating tracking stent power generation unit of claim 7 wherein: and a first pulley is arranged on the support stay rope between the adjacent trusses, one end of the flexible stay rope is connected with the side rod piece of the truss, and the other end of the flexible stay rope bypasses the first pulley and is connected with the side rod piece of the adjacent truss.
9. The concentrating tracking stent power generation unit of claim 1 wherein: the dragging mechanism comprises steel wire ropes arranged on two sides of the truss, the steel wire ropes are connected to a winch, and the winch drives the steel wire ropes to drag the truss to rotate along with the movement of the sun.
10. The concentrating tracking bracket power generation unit of claim 9 wherein: and a tensioner is arranged on the steel wire rope.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320069953.8U CN220629253U (en) | 2023-01-10 | 2023-01-10 | Concentrating tracking support power generation unit |
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| CN202320069953.8U CN220629253U (en) | 2023-01-10 | 2023-01-10 | Concentrating tracking support power generation unit |
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| CN220629253U true CN220629253U (en) | 2024-03-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119652227A (en) * | 2024-11-29 | 2025-03-18 | 江苏新恒源能源技术有限公司 | A bearing structure, a flexible photovoltaic tracking bracket and a flexible photovoltaic system |
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2023
- 2023-01-10 CN CN202320069953.8U patent/CN220629253U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119652227A (en) * | 2024-11-29 | 2025-03-18 | 江苏新恒源能源技术有限公司 | A bearing structure, a flexible photovoltaic tracking bracket and a flexible photovoltaic system |
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