CN210469167U - Photovoltaic power generation device based on wind power generation foundation - Google Patents

Photovoltaic power generation device based on wind power generation foundation Download PDF

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Publication number
CN210469167U
CN210469167U CN201921426311.9U CN201921426311U CN210469167U CN 210469167 U CN210469167 U CN 210469167U CN 201921426311 U CN201921426311 U CN 201921426311U CN 210469167 U CN210469167 U CN 210469167U
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power generation
sector
wind power
arc
steel
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赵冰华
陈志华
化克
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PowerChina Hebei Engineering Corp Ltd
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PowerChina Hebei Engineering Corp Ltd
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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
    • 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
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • 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
    • Y02E10/70—Wind energy
    • Y02E10/728—Onshore wind turbines

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Abstract

The utility model discloses a photovoltaic power generation device based on a wind power generation foundation, which comprises a round platform-shaped wind power generation base arranged underground, wherein an annular inclined plane of the round platform-shaped wind power generation base consists of a sector annular lighting area and a sector maintenance area; the lighting area is fixedly connected with a plurality of steel piles, and the upper part of each steel pile is fixedly connected with a photovoltaic plate arranged above the ground; the service area has a sector radius in the true north direction. Compared with the prior art, the utility model discloses can shorten piling bar length, reduce the consumptive material and provide workman maintenance space. The utility model is suitable for a round platform shape wind power generation base for lay the piling bar.

Description

Photovoltaic power generation device based on wind power generation foundation
Technical Field
The utility model belongs to the technical field of solar energy power generation, specifically speaking are photovoltaic power generation device based on wind power generation basis.
Background
At present, the steel pile fixing mode of the photovoltaic plate in the photovoltaic power generation device is usually adopted to embed the steel pile into an underground concrete base for fixing, and the fixing mode has the following defects: firstly, the height of the photovoltaic panel on the ground is determined (about 1 m), and in order to ensure the stability of the concrete base, the concrete base is also placed underground to a determined depth (about 3 m); therefore, the plane on which the steel piles are arranged on the concrete base is a horizontal plane which is arranged underground to determine the depth, so that the lengths of the steel piles buried underground are the same, the purpose of saving materials cannot be achieved by shortening the length of the steel piles buried underground, and more materials are consumed; secondly, the concrete base in the prior art needs to be poured and manufactured in advance when in use, so that more labor force is consumed, the labor intensity is high, the time cost is increased, and the working efficiency is reduced; and thirdly, the area in the due north direction is a shadow area of the photovoltaic panel, and the electricity taking efficiency is low even if the photovoltaic panel is arranged.
SUMMERY OF THE UTILITY MODEL
For solving exist among the prior art more than not enough, the utility model aims at providing a photovoltaic power generation device based on wind power generation basis to reach and shorten piling bar length, reduce the consumptive material and provide the purpose in workman's maintenance space.
In order to achieve the above object, the utility model adopts the following technical scheme: a photovoltaic power generation device based on a wind power generation foundation comprises a truncated cone-shaped wind power generation base arranged underground, wherein an annular inclined plane of the truncated cone-shaped wind power generation base consists of a sector annular lighting area and a sector maintenance area; the lighting area is fixedly connected with a plurality of steel piles, and the upper part of each steel pile is fixedly connected with a photovoltaic plate arranged above the ground; the service area has a sector radius in the true north direction.
As the utility model discloses an injecte, every piling bar bottom fixedly connected with and the steel sheet that the wind power generation base inclined plane paralleled, the steel sheet passes through expansion bolts and links to each other with the wind power generation base is fixed.
As the utility model discloses a further inject, the symmetry axis that overhauls the region is located true north, and the fan-shaped central angle that overhauls the region is 90 ~ 105.
As another kind of the utility model discloses a prescribe a limit to, have in the daylighting region with many pitch arcs of fan ring shape centre of a circle altogether, all be fixed with the piling bar that is the arc and distributes on every pitch arc.
As the utility model discloses an other are injectd, the regional multiunit sectorial district that divides into of fan annular daylighting, and the photovoltaic inter-plate is established ties into a group cluster through photovoltaic cable in every sectorial district, a plurality of groups series-parallel connection insert group string formula dc-to-ac converter.
Since the technical scheme is used, the utility model discloses a photovoltaic power generation device based on wind power generation basis compares with prior art, and the beneficial effect who gains is:
(1) the utility model shortens the length of the steel pile embedded underground and reduces the material consumption by utilizing the gradient of the annular inclined plane on the circular truncated cone-shaped wind power generation base under the premise that the wind power generation base is embedded into the ground to a certain depth to ensure the stability of the wind power generation base; the diameter of the steel pile in the prior art needs to consider the bearable vertical load and horizontal load, the diameter of the steel pile is set only by considering the horizontal load, the diameter of the steel pile is greatly reduced, and the material consumption is reduced;
(2) the utility model can use the existing round platform-shaped wind power generation base as the solar power generation foundation, and does not need to pour and mix in advance, thereby reducing labor force and labor intensity;
(3) the utility model arranges the maintenance area in the north direction, and the photovoltaic panel has extremely low electricity taking efficiency because the maintenance area is the shadow area of the photovoltaic panel, the utility model can provide space for workers to maintain standing or storing tools by arranging the maintenance area in the north direction, thereby being beneficial to the smooth operation of maintenance work;
(4) the utility model can collect solar energy at different moments by arranging the steel piles distributed in an arc shape, thereby improving the utilization rate of the photovoltaic panel; the steel plate arranged in parallel with the wind power generation base is arranged, so that the steel pile can be more stably connected with the wind power generation base;
(5) the photovoltaic panels in each sector area are connected in series into a group string through the photovoltaic cables to prevent the output electric energy loss caused by the shielding of local shadows and avoid the occurrence of the condition that the power generation quantity of the whole group string is obviously reduced because the local photovoltaic panels are shielded;
to sum up, the utility model discloses stable in structure, convenient to use, low in production cost practice thrift the land resource that the country is used for constructing the photovoltaic project, the practicality is strong.
The utility model is suitable for a use on the round platform shape wind power generation base that has built for lay the solar photovoltaic board.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic view of a connection relationship between a steel pile 4 and a wind power generation base 1 according to embodiment 1 of the present invention;
fig. 3 is a plan view of a wind turbine base 1 according to embodiment 1 of the present invention.
In the figure: 1. a wind power generation base; 2. a lighting area; 3. a maintenance area; 4. steel piles; 5. a photovoltaic panel; 6. a steel plate; 7. an expansion bolt; 8. a fan; 9. plain soil; 11. a first sector; 12. a second sector; 13. a third sector; 14. a fourth sector; 15. a fifth sector; 16. a sixth sector.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It is to be understood that the preferred embodiments described herein are for purposes of illustration and understanding only and are not intended to limit the invention.
Embodiment 1 photovoltaic power generation device based on wind power generation foundation
As shown in fig. 1 to 3, in the present embodiment, a wind power generation base 1 is used as a solar power generation foundation, and steel piles 4 of photovoltaic panels 5 are arranged on the wind power generation base 1.
The wind power generation base 1 is arranged underground and is a circular truncated cone-shaped concrete wind power generation base. The curved surface (i.e., the inclined surface) of the wind power generation base 1 is circular, and the annular inclined surface of the wind power generation base 1 is divided into a lighting area 2 and an overhaul area 3.
(1) Service area 3
Maintenance area 3 is fan-shaped, and maintenance area 3 is located the north side, and the direct irradiation that can not accept the sunlight is the shadow district of photovoltaic board 5, does not set up photovoltaic board 5 and piling bar 4 in this region, can supply the equipment maintenance or provide the space for placing of maintenance instrument. The service area 3 has a sector radius in the north direction, preferably the axis of symmetry of the sector of the service area 3 is in the north direction. The fan-shaped central angle of the maintenance area 3 is 90-105 degrees.
(2) Daylighting area 2
The lighting area 2 is in a fan-shaped ring shape, and the central angle of the fan-shaped ring is 255-270 degrees. A plurality of steel piles 4 are fixed in the lighting area 2, and the upper part of each steel pile 4 is fixedly connected with a solar photovoltaic panel 5 arranged above the ground. The steel pile 4 is a steel pipe pile. The bottom end of each steel pile 4 is welded with a steel plate 6, and each steel plate 6 is fixedly connected with the wind power generation base 1 through an expansion bolt 7. The steel plate 6 has the same inclination angle with the inclined surface of the wind power generation base 1.
The lighting area 2 has a plurality of arcs concentric with the fan ring, such as arc A shown in FIG. 31C1Arc line A2C2Arc line A3C3Each arc line is fixed with steel piles 4 distributed in an arc shape, namely, the arc line A1C1A plurality of steel piles 4 are distributed on the upper part of the arc line A2C2A plurality of steel piles 4 are distributed on the upper part of the arc line A3C3A plurality of steel piles 4 are distributed on the upper part. Like this, because the relative ground degree of depth of different arcs is different, so the length of piling bar 4 is different on different arcs, arranges the photovoltaic power generation piling bar on wind power generation base 1, compares in prior art can reduce the service length of piling bar 4, reduces the consumptive material.
The sector annular lighting area 2 is divided into a plurality of groups of sectors, such as a first sector 11, a second sector 12, … … and a sixth sector 16 in fig. 3, the photovoltaic panels 5 in each sector are connected in series through photovoltaic cables to form a group string, and a plurality of groups are connected in series and parallel to a group string type inverter. That is, the photovoltaic cables of each sector are connected to the input terminals of the string inverters, respectively. The string inverter is a device capable of converting direct current output by a power transmission line of a photovoltaic panel 5 into alternating current in the prior art. In this embodiment, the structure of the photovoltaic panel 5 and the components of the photovoltaic panel 5 that convert light energy into electric energy both adopt the common structure of solar power generation in the prior art.
The installation method of the embodiment comprises the following steps:
the method comprises the following steps: dividing installation area
A sector annular lighting area on the circular table-shaped wind power generation base 1 is divided into a first sector area 11, a second sector area 13 and an … … (n) th sector area, and (n) groups of sector areas are formed, wherein n is more than or equal to 2. And also satisfies the following conditions:
when n is an even number, the first sector 11 and the second sector 12 are arranged symmetrically with respect to the axis of symmetry of the sectored service area, … …, the (n) th sector and the (n-1) th sector being arranged symmetrically with respect to the axis of symmetry of the sectored service area;
when n is an odd number, the first sector 11 and the second sector 12 are symmetrically disposed about the axis of symmetry of the sectored service area, … …, and the (n-2) th sector and the (n-1) th sector are symmetrically disposed about the axis of symmetry of the sectored service area.
Step two: sectional installation steel pile 4
The first step (first): the first sector 11 is provided with a steel pile 4
Firstly, digging plain soil 9 on a first sector area 11, namely digging from the ground to the surface of the wind power generation base 1, and drilling a mounting hole by using an expansion bolt drilling machine (electric hammer) along a marked position; and then fixing the steel piles 4 below the photovoltaic plate 5 in the mounting holes of the first sector 11, backfilling plain soil 9 on the first sector 11, and tamping the plain soil 9. Specifically, the method comprises the following steps:
the first step 1 is to dig out the first sector 11 arc A1B1Upper plain soil 9 along arc a in first sector 111B1Marking the position of the pile point (i.e. the location of the hole), along arc A, according to the position of the marked pile point1B1A plurality of mounting holes are drilled, and the steel plates 6 welded at the bottom end of the steel pile 4 are correspondingly mounted on the arc A one by one through expansion bolts 71B1In the mounting hole, the steel pile 4 is embedded in plain soil, namely in the arc A1B1And backfilling plain soil 9 on the steel pile 4, and tamping the plain soil 9.
In the first step 2, the first sector 11 arc A is dug2B2Upper plain soil 9 along arc a in first sector 112B2Marking the position of the pile point (i.e. the location of the hole), along arc A, according to the position of the marked pile point2B2A plurality of mounting holes are drilled, and the steel plates 6 fixed at the bottom end of the steel pile 4 are correspondingly mounted on the arc A one by one through expansion bolts 42B2In the mounting hole, the steel pile 4 is embedded in plain soil, namely in the arc A2B2And backfilling plain soil 9 on the steel pile 4, and tamping the plain soil 9.
……
In the first step, the arc A of the first sector 11 is dugmBmUpper plain soil 9 along arc a in first sector 11mBmMarking the position of the pile point (i.e. the location of the hole), along arc A, according to the position of the marked pile pointmBmDrilling a plurality of mounting holes, mounting each steel plate 6 fixed at the bottom end of the steel pile 4 in the mounting hole of the first sector through the expansion bolt 4, and then embedding the steel pile 4 in plain soil, namely in the arc AmBmAnd backfilling plain soil 9 on the steel pile 4, and tamping the plain soil 9.
Wherein m is more than or equal to 1 and arc A1B1Arc A2B2… … arc AmBmIs the fan-shaped vertex of the first sector 11, and arc A1B1Arc length, arc A2B2Arc length of … …, arc AmBmThe arc lengths of (a) and (b) are sequentially increased or sequentially decreased.
The second step: second sector 12 is provided with a steel pile 4
Digging the plain soil 9 on the second sector 12, namely digging the plain soil from the ground to the surface of the wind power generation base 1, and drilling a mounting hole by using an expansion bolt drilling machine (electric hammer) along the marked position; and then fixing the steel piles 4 below the photovoltaic plate 5 in the mounting holes of the second sector area 12, backfilling plain soil 9 on the second sector area 12, and tamping the plain soil 9. Specifically, the method comprises the following steps:
the second step (second 1) is to dig out the 12 arc C of the second sector1D1Upper plain soil 9 along arc C in second sector 121D1Marking the position of the pile point (i.e. the position of the hole), along the arc C, according to the position of the pile point1D1A plurality of mounting holes are drilled, and the steel plates 6 fixed at the bottom end of the steel pile 4 are correspondingly mounted on the arc C one by one through expansion bolts 71D1In the mounting hole, the steel pile 4 is embedded in plain soil 9, namely in the arc C1D1And backfilling plain soil 9 on the steel pile 4, and tamping the plain soil 9.
The second step (2) is to dig out the 12 arc C of the second sector2D2Upper plain soil 9 along arc C in second sector 122D2Marking the position of the pile point (i.e. the position of the hole), along the arc C, according to the position of the pile point2D2A plurality of mounting holes are drilled, and the steel plates 6 fixed at the bottom end of the steel pile 4 are correspondingly mounted on the arc C one by one through expansion bolts 72D2In the mounting hole, the steel pile is embedded into the plain soil 9, namely in the arc C2D2And backfilling plain soil 9 on the steel pile 4, and tamping the plain soil 9.
……
A second q step of digging a second sector 12 arcs CqDqUpper plain soil 9 along arc C in second sector 12qDqMarking the position of the pile point (i.e. the position of the hole), along the arc C, according to the position of the pile pointqDqA plurality of mounting holes are drilled, and the steel plates 6 fixed at the bottom end of the steel pile 4 are correspondingly mounted on the arc C one by one through expansion bolts 7qDqIn the mounting hole, the steel pile 4 is embedded in plain soil 9, namely in the arc CqDqAnd backfilling plain soil 9 on the steel pile 4, and tamping the plain soil 9.
Wherein q is not less than 1 and arc C1D1Arc C2D2… … arc CqDqCircle ofThe center being the apex of the second sector 12 and arc C1D1Arc length, arc C2D2Arc length of … …, arc CqDqThe arc lengths of (a) and (b) are sequentially increased or sequentially decreased.
……
The (n) th step: the (n) th sector is provided with a steel pile 4
Digging plain soil 9 on the (n) th sector, namely digging from the ground to the surface of the wind power generation base 1, and drilling a mounting hole by using an expansion bolt drilling machine (electric hammer) along a marked position; and then fixing the steel piles 4 below the photovoltaic plate 5 in the mounting holes of the (n) th sector, backfilling plain soil 9 on the (n) th sector, and tamping the plain soil 9. Specifically, the method comprises the following steps:
in the (n 1) th step, the arc E of the (n) th sector is excavated1F1Upper plain soil 9 along arc E in sector (n)1F1Marking the position of the pile point (i.e. the location of the hole), along arc E, according to the position of the pile point1F1A plurality of mounting holes are drilled, and the steel plates 6 fixed at the bottom end of the steel pile 4 are correspondingly mounted on the arc E one by one through expansion bolts 71F1In the mounting hole, the steel pile 4 is embedded in plain soil 9, namely in the arc E1F1And backfilling plain soil 9 on the steel pile 4, and tamping the plain soil 9.
In the (n 2) th step, the arc E of the (n) th sector is excavated2F2Upper plain soil 9 along arc E in sector (n)2F2Marking the position of the pile point (i.e. the location of the hole), along arc E, according to the position of the pile point2F2A plurality of mounting holes are drilled on the steel pile, and the steel plates 6 fixed at the bottom end of the steel pile 4 are correspondingly mounted on the arc E one by one through expansion bolts 72F2In the mounting hole, the steel pile 4 is embedded in plain soil 9, namely in the arc E2F2And backfilling plain soil 9 on the steel pile 4, and tamping the plain soil 9.
……
At the (np) th step, the (n) th sector arc E is dugpFpUpper plain soil 9 along arc E in sector (n)pFpMarking the position of the stake point (i.e. the location of the hole) according to the markPosition of the point of note, along arc EpFpA plurality of mounting holes distributed in an arc shape are drilled on the steel pile, and the steel plates 6 fixed at the bottom end of the steel pile 4 are correspondingly mounted on the arc E one by one through expansion bolts 7pFpIn the mounting hole, the steel pile 4 is embedded in plain soil 9, namely in the arc EpFpAnd backfilling plain soil 9 on the steel pile 4, and tamping the plain soil 9.
Wherein p is more than or equal to 1 and arc E1F1Arc E2F2… … arc EpFpIs the sector vertex of the (n) th sector and arc E1F1Arc length, arc E of2F2Arc length of … …, arc EpFpThe arc lengths of (a) and (b) are sequentially increased or sequentially decreased.
And, arc A1B1Arc C1D1… … arc E1F1On the same circle, i.e. arc A1B1Arc C1D1… … arc E1F1The centers of the circles are concurrent and have the same radius; arc A2B2Arc C2D2… … arc E2F2Are positioned on the same circle; … …, respectively; arc AmBmArc CqDq… … arc EpFpLocated on the same circle.
Thereby completing the fixing of the steel pile 4. After the steel piles 4 are arranged on the wind power generation base 1, the photovoltaic plate 5 can be fixed on the steel piles 4 by adopting a common connection mode of the steel piles 4 and the photovoltaic plate 5.
The "plurality" or "sets" described in all the above embodiments means at least 2 or at least 2 sets.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the present invention is not limited thereto, and although the present invention has been described in detail with reference to the above-mentioned embodiments, it will be apparent to those skilled in the art that modifications can be made to the technical solutions described in the above-mentioned embodiments, or some technical features can be replaced with equivalents. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a photovoltaic power generation device based on wind power generation basis which characterized in that: the wind power generation device comprises a circular truncated cone-shaped wind power generation base arranged underground, wherein an annular inclined plane of the circular truncated cone-shaped wind power generation base consists of a sector annular lighting area and a sector maintenance area; the lighting area is fixedly connected with a plurality of steel piles, and the upper part of each steel pile is fixedly connected with a photovoltaic plate arranged above the ground; the service area has a sector radius in the true north direction.
2. The wind power foundation based photovoltaic power generation device of claim 1, wherein: and the bottom end of each steel pile is fixedly connected with a steel plate parallel to the inclined plane of the wind power generation base, and the steel plate is fixedly connected with the wind power generation base through expansion bolts.
3. The wind power foundation based photovoltaic power generation device of claim 1, wherein: the symmetry axis of the maintenance area is positioned in the north direction, and the fan-shaped central angle of the maintenance area is 90-105 degrees.
4. A wind power foundation based photovoltaic power generation device according to any one of claims 1-3, wherein: the lighting area is provided with a plurality of arcs which are concentric with the sector ring, and each arc is fixed with steel piles which are distributed in an arc shape.
5. The wind power foundation based photovoltaic power generation device of claim 4, wherein: the sector annular lighting area is divided into a plurality of groups of sector areas, photovoltaic panels in each sector area are connected in series through photovoltaic cables to form a group string, and a plurality of groups of strings are connected in parallel to a group string type inverter.
CN201921426311.9U 2019-08-30 2019-08-30 Photovoltaic power generation device based on wind power generation foundation Active CN210469167U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921426311.9U CN210469167U (en) 2019-08-30 2019-08-30 Photovoltaic power generation device based on wind power generation foundation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921426311.9U CN210469167U (en) 2019-08-30 2019-08-30 Photovoltaic power generation device based on wind power generation foundation

Publications (1)

Publication Number Publication Date
CN210469167U true CN210469167U (en) 2020-05-05

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CN201921426311.9U Active CN210469167U (en) 2019-08-30 2019-08-30 Photovoltaic power generation device based on wind power generation foundation

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CN (1) CN210469167U (en)

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