CN207283457U - A kind of photovoltaic generating system - Google Patents

A kind of photovoltaic generating system Download PDF

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Publication number
CN207283457U
CN207283457U CN201721348987.1U CN201721348987U CN207283457U CN 207283457 U CN207283457 U CN 207283457U CN 201721348987 U CN201721348987 U CN 201721348987U CN 207283457 U CN207283457 U CN 207283457U
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China
Prior art keywords
component
component string
prism
string
photovoltaic
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CN201721348987.1U
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Chinese (zh)
Inventor
林建伟
夏文进
王宏亮
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Shanghai Zhonglai smart new energy Co.,Ltd.
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Suzhou Zhong Lai New Energy Co Ltd
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Priority to CN201721348987.1U priority Critical patent/CN207283457U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/10Photovoltaic [PV]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/52PV systems with concentrators

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  • Photovoltaic Devices (AREA)

Abstract

A kind of photovoltaic generating system is the utility model is related to, including:Photovoltaic electrification component, supporting structure and reflective structure, laterally arrangement forms component string to single photovoltaic electrification component, and multiple component string longitudinal arrangements form assembly array;Supporting structure includes coupling beam and column, and column one end is fixed in coupling beam, and the other end is fixed on component, and coupling beam is longitudinally disposed and connects multiple component strings;The forward and backward side of component string is both provided with reflective structure, and reflectorized material is equipped with the ground between component string and reflective structure.Its advantage is:By the way that reflective structure front-back is respectively provided with reflective structure and is pressed against on stent, module backside generated energy is added, and provide the compressive load needed for component wind resistance;The coupling beam of stent is longitudinally disposed and connect multiple component strings and form stable structure and by being laid with reflectorized material on the ground between component string and reflective structure, to further improve the uniformity of module backside light and generating efficiency.

Description

A kind of photovoltaic generating system
Technical field
It the utility model is related to photovoltaic technology field, and in particular to a kind of photovoltaic generating system
Background technology
With the development of photovoltaic module technology, large-scale production can be started with the photovoltaic module of generating electricity on two sides go forward side by side to enter the market .But what the power generation of its back side of the photovoltaic electrification component of the prior art relied on is that nature ground reflection light generates electricity, ground meeting Most of light is absorbed, light utilization ratio is low, economical poor.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, there is provided a kind of photovoltaic generating system, it is suitable for Smooth plane, such as ground or roofing.
A kind of photovoltaic generating system provided by the utility model, its technical solution are:
A kind of photovoltaic generating system, including:Photovoltaic electrification component, supporting structure and reflective structure, it is characterised in that:It is single Laterally arrangement forms component string to the photovoltaic electrification component, and multiple component string longitudinal arrangements form assembly array;The branch Frame structure includes coupling beam and column, and one end of the column is fixed in the coupling beam, and the other end of the column is fixed on institute State on photovoltaic electrification component, the coupling beam is longitudinally disposed and connects the component string of multiple longitudinal arrangements;The component string it is forward and backward Side is both provided with reflective structure, and reflectorized material is equipped with the ground between the component string and the reflective structure.
A kind of photovoltaic generating system provided by the utility model, further includes following attached technical scheme:
Wherein, the reflective structure is two the first prisms and the second prism placed side by side.
Wherein, in the winter solstice, the front-reflection face of component string is the ground in front of component string, and the back reflection face of component string is Close to the face of component string on second prism at component string rear;
In the summer solstice, the front-reflection face of component string on the second prism in front of component string close to the face of component string, group The back reflection face of part string is close to the face of component string on first prism at component string rear.Wherein, first prism and second Big prism of the prism to be made of multiple small prisms.
Wherein, first prism and the second prism are concrete solid construction, its surface is coated with reflectorized material.
Wherein, the reflectorized material is one in polyester, polyurethane, rubber, organosilicon, PVDF, PVF, FEVE or PTFE Kind or several combinations.
Wherein, the photovoltaic generating system, further includes:The component level power optimization being arranged between photovoltaic electrification component Device, self-cleaning system and catoptric system tracking adjusting device.
The implementation of the utility model includes following technique effect:
A kind of photovoltaic generating system provided by the utility model, by the way that reflective structure is spaced apart and arranged in the component string Between and be pressed in the coupling beam, not only increase the generated energy at the photovoltaic electrification component back side, and additionally provide component wind resistance Required compressive load;It is and the coupling beam of stent is longitudinally disposed and connect the component string of multiple longitudinal arrangements to form stable structure It ensure that the uniformity of light of the back side of assembly array under the emergency light reflex of ground and reflective structure so that supporting structure is not Substantive shade can be formed in module backside so as to influence component efficiency;And pass through the ground between component string and reflective structure Upper laying reflectorized material, further increases the uniformity of assembly array back side light, so as to drastically increase the hair of component Electrical efficiency.
Brief description of the drawings
Fig. 1 is a kind of three-dimensional structure diagram of photovoltaic generating system provided by the utility model.
Fig. 2 is a kind of plan of photovoltaic generating system provided by the utility model.
Fig. 3 for a kind of altitude of the sun of photovoltaic generating system provided by the utility model it is minimum when, i.e. winter solstice ray plot.
When Fig. 4 is a kind of altitude of the sun highest of photovoltaic generating system provided by the utility model, i.e. summer solstice ray plot.
When Fig. 5 is that a kind of altitude of the sun of photovoltaic generating system provided by the utility model is minimum, i.e., winter solstice sunshine is closed It is analysis chart.
When Fig. 6 is a kind of altitude of the sun highest of photovoltaic generating system provided by the utility model, i.e., summer solstice sunshine is closed It is analysis chart.
Embodiment
The utility model is described in detail below in conjunction with embodiment and attached drawing, it should be pointed out that described Embodiment be intended merely to facilitate understanding to the utility model, and do not play any restriction effect to it.
Referring to shown in Fig. 1-2, a kind of photovoltaic generating system provided in this embodiment, including photovoltaic electrification component 1, stent knot Structure 2 and reflective structure 3, laterally arrangement forms component string, multiple component string longitudinal arrangements to the single photovoltaic electrification component 1 Form assembly array;The supporting structure includes coupling beam 22 and column 21, and one end of the column 21 is fixed on the coupling beam 22 On, the other end of the column 21 is fixed on the photovoltaic electrification component 1, and the coupling beam 22 is longitudinally disposed and connects multiple vertical To the component string of arrangement;The forward and backward side of the component string is both provided with reflective structure 3, the component string and the reflective structure 3 Between ground on be equipped with reflectorized material.A kind of photovoltaic generating system provided by the utility model, by by between reflective structure 2 Between ground is arranged on the component string and it is pressed in the coupling beam 22, not only increases the power generation at 1 back side of photovoltaic electrification component Amount, and the compressive load needed for component wind resistance is additionally provided, it ensure that the stability and security of system power generation;And by stent Coupling beam 22 is longitudinally disposed and connects the component string of multiple longitudinal arrangements to form stable structure, ensure that the back side of assembly array The uniformity of light under the emergency light reflex of ground and reflective structure so that supporting structure 2 will not form reality in module backside Matter shade is so as to influence the efficiency of photovoltaic electrification component;And by being laid with the ground between component string and reflective structure 3 Reflectorized material, further increases the uniformity of assembly array back side light, so as to drastically increase the generating efficiency of component.
The operation principle of the utility model is:
When altitude of the sun is relatively low, i.e., time in Winter Solstice when:As shown in figure 3, the back side light of photovoltaic electrification component 1 is with photovoltaic The sun incident light beam strikes in 1 front b regions of electrification component are to ground and reflex to based on 1 back side of photovoltaic electrification component, with component The sun incident light beam strikes in rear d regions are on reflective structure 3 and reflexing to supplemented by the back side of photovoltaic electrification component 1, major-minor knot Close, ensure that the uniformity of 1 back side light of photovoltaic electrification component.
When altitude of the sun is higher, i.e., time in the Summer Solstice when:As shown in figure 4, the back side light of photovoltaic electrification component 1 is with photovoltaic The sun incident light beam strikes in 1 front a regions of electrification component are to reflective member 3 and reflex to based on the back side of photovoltaic electrification component 1, On the sun incident light beam strikes in component rear c regions to reflective structure 3 and to reflex to supplemented by the back side of photovoltaic electrification component 1, Major-minor combination, ensure that the uniformity of photovoltaic electrification component back side light.
Preferably, the reflective structure is two the first prisms and the second prism placed side by side.The present embodiment pass through by Reflective structure is arranged to two the first prisms and the second prism placed side by side, to improve the uniform of assembly array back side light Property.
Preferably, as shown in figure 3, in the winter solstice, the front-reflection face of component string is the ground in front of component string, i.e., corresponding B where region, the back reflection face of component string on second prism at component string rear close to the face of component string, i.e. d places The corresponding prism facets in region.
As shown in figure 4, in the summer solstice, the front-reflection face of component string is close component on the second prism in front of component string The corresponding prism facets in region where the face of string, i.e. a, the back reflection face of component string is close on first prism at component string rear The corresponding prism facets in region where the face of component string, i.e. c.
Preferably, there are following functional relation with the reflective structure for the photovoltaic electrification component:
∠ B are component inclination angle, and L2 is the height in front of component from the ground, and L3 is the half of length component, above amount It is known quantity;
As shown in figure 5, during the winter solstice:
∠ H are winter solstice solar incident angle, are known quantity;
∠ V are the reflected ray in back reflection face and the angle on ground, and ∠ M are the incident ray in back reflection face and the folder of reflected ray Angle, above amount are intermediate quantity;
L1 is that ∠ K are back reflection face inclination angle, and L10 is back reflection face length to the horizontal distance in front-reflection face in front of component, Amount is amount to be asked above;
As shown in fig. 6, during the summer solstice:
∠ C are summer solstice solar incident angle, are known quantity;
∠ D be front-reflection face reflected ray and ground angle,For the incident ray in back reflection face and the folder of reflected ray Angle, ∠ G are the reflected ray in back reflection face and the angle on ground, and above amount is intermediate quantity;
L6 is the horizontal distance in component rear to back reflection face, and ∠ Α be front-reflection face inclination angle, L4 be front-reflection face most Small length, ∠ F are the inclination angle in back reflection face, and L4 is the length in back reflection face, and above amount is amount to be asked.
Preferably, the big prism of first prism and the second prism to be made of multiple small prisms.
Preferably, first prism and the second prism are concrete solid construction, its surface is coated with reflectorized material.This Embodiment increases pressure of the reflective structure to stent, so as to improve group by the way that prism is arranged to concrete solid construction The wind resistance load of part array;And by coating reflectorized material on concrete solid construction surface, improve the reflective of reflective structure Intensity, so as to improve the generating efficiency of component.
Preferably, the reflectorized material is in polyester, polyurethane, rubber, organosilicon, PVDF, PVF, FEVE or PTFE One or more of combinations;TiO can be added in the strong reflective material2、CaCO3, wollastonite powder, in kaolin or glass microsphere One or more of combinations are as filler.The present embodiment in reflectorized material by adding filler, to further improve reflecting surface Reflected intensity, and then improve assembly array generating efficiency.
Preferably, connected between the adjacent photovoltaic electrification component 1 by briquetting 4, the briquetting 4 is fixed on the column On 21.The present embodiment is by the way that left and right two pieces of adjacent briquettings 4 of photovoltaic electrification component 1 are fixed so that photovoltaic electrification component 1 Short side be connected, the back side so as to avoid photovoltaic electrification component in the prior art is blocked by purlin and makes it in reflected intensity When higher, the back side forms light non-uniform problem in the back side caused by direct shadow occlusion.
Preferably, on the front ground of the component string and it is coated with or lays strong reflective material on the reflective structure 3. The present embodiment is by coating on the front ground of component string and on reflective structure 3 or laying strong reflective material, to improve photovoltaic The back side light reception intensity of electrification component, and then improve the generating efficiency of assembly array.
Preferably, a kind of photovoltaic generating system, further includes:The component level power being arranged between photovoltaic electrification component Optimizer, self-cleaning system and catoptric system tracking adjusting device.The utility model passes through the group between double-side component Part level power optimization device, causes so as to eliminate influence of the things such as tree shade, weeds to generating electricity on two sides component and reflective structure System in various components generating efficiency can difference the problem of, so as to further improve generating efficiency.
Finally it should be noted that above example is only illustrating the technical solution of the utility model, rather than to this reality With the limitation of novel protected scope, although being explained with reference to preferred embodiment to the utility model, this area it is general Lead to it will be appreciated by the skilled person that can be to the technical solution of the utility model technical scheme is modified or replaced equivalently, without departing from this The spirit and scope of utility model technical solution.

Claims (7)

1. a kind of photovoltaic generating system, including:Photovoltaic electrification component, supporting structure and reflective structure, it is characterised in that:Single institute Stating photovoltaic electrification component, laterally arrangement forms component string, and multiple component string longitudinal arrangements form assembly array;The stent Structure includes coupling beam and column, and one end of the column is fixed in the coupling beam, and the other end of the column is fixed on described On photovoltaic electrification component, the coupling beam is longitudinally disposed and connects the component string of multiple longitudinal arrangements;The forward and backward side of the component string Reflective structure is both provided with, reflectorized material is equipped with the ground between the component string and the reflective structure.
A kind of 2. photovoltaic generating system according to claim 1, it is characterised in that:The reflective structure is two and discharges The first prism and the second prism put.
A kind of 3. photovoltaic generating system according to claim 2, it is characterised in that:
In the winter solstice, the front-reflection face of component string is the ground in front of component string, and the back reflection face of component string is after component string Close to the face of component string on second prism of side;
In the summer solstice, the front-reflection face of component string on the second prism in front of component string close to the face of component string, component string Back reflection face for component string rear the first prism on close to component string face.
A kind of 4. photovoltaic generating system according to claim 2, it is characterised in that:First prism and the second prism are equal For the big prism being made of multiple small prisms.
A kind of 5. photovoltaic generating system according to claim 2, it is characterised in that:First prism and the second prism are equal For concrete solid construction, its surface is coated with reflectorized material.
A kind of 6. photovoltaic generating system according to claim 1, it is characterised in that:Between the adjacent photovoltaic electrification component Connected by briquetting, the briquetting is fixed on the column.
A kind of 7. photovoltaic generating system according to claim 1, it is characterised in that:The photovoltaic generating system further includes: Component level power optimization device, self-cleaning system and the catoptric system tracking adjusting device being arranged between photovoltaic electrification component.
CN201721348987.1U 2017-10-19 2017-10-19 A kind of photovoltaic generating system Active CN207283457U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721348987.1U CN207283457U (en) 2017-10-19 2017-10-19 A kind of photovoltaic generating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721348987.1U CN207283457U (en) 2017-10-19 2017-10-19 A kind of photovoltaic generating system

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109039267A (en) * 2018-06-06 2018-12-18 中来智联能源工程有限公司 A kind of structure of two-sided photovoltaic module and reflecting surface integrated installation
CN110166001A (en) * 2019-06-21 2019-08-23 北京晶澳太阳能光伏科技有限公司 A kind of photovoltaic generating system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109039267A (en) * 2018-06-06 2018-12-18 中来智联能源工程有限公司 A kind of structure of two-sided photovoltaic module and reflecting surface integrated installation
CN110166001A (en) * 2019-06-21 2019-08-23 北京晶澳太阳能光伏科技有限公司 A kind of photovoltaic generating system

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Address after: 201615 14th floor, building 1, No. 339, Jiuxin Road, Jiuting Town, Songjiang District, Shanghai

Patentee after: Shanghai Zhonglai smart new energy Co.,Ltd.

Address before: 215542 Zhongxing Road, Shajiabang Town, Changshu City, Suzhou City, Jiangsu Province

Patentee before: SUZHOU ZHONGLAI NEW ENERGY Co.,Ltd.