CN206388718U - Two-sided photovoltaic power generation apparatus - Google Patents
Two-sided photovoltaic power generation apparatus Download PDFInfo
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- CN206388718U CN206388718U CN201621268299.XU CN201621268299U CN206388718U CN 206388718 U CN206388718 U CN 206388718U CN 201621268299 U CN201621268299 U CN 201621268299U CN 206388718 U CN206388718 U CN 206388718U
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- sided photovoltaic
- electrification component
- back side
- photovoltaic electrification
- power generation
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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
- Y02E10/52—PV systems with concentrators
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Abstract
The utility model provides a kind of two-sided photovoltaic power generation apparatus, including：Two-sided photovoltaic electrification component and reflecting element, the one side of two-sided photovoltaic electrification component towards sunshine is front, another side is the back side, the reflecting element is located at the back side of two-sided photovoltaic electrification component, the reflecting element has reflective surface with sunlight reflection to the back side of two-sided photovoltaic electrification component, and the reflective surface is the plane being obliquely installed towards two-sided photovoltaic electrification component.The utility model improves generating efficiency, and then increase economic efficiency to the back side of two-sided photovoltaic electrification component using the reflective surface reflected sunlight of reflecting element by setting reflecting element at the back side of two-sided photovoltaic electrification component so as to improve the utilization ratio of light.
Description
Technical field
The utility model is related to field of photovoltaic technology, more particularly to a kind of two-sided photovoltaic power generation apparatus.
Background technology
Conventional photovoltaic electrification component is one side crystal silicon component, can only receive solar irradiation in one side and inject capable generating, on an equal basis
Erection space light utilization ratio is low, and generating efficiency is low.Two-sided photovoltaic electrification component just can receive sunshine irradiation to enter in the back side
Row generating electricity on two sides, but the generating dependence of existing its back side of two-sided photovoltaic electrification component is that nature ground reflection light is sent out
Electricity, ground can absorb most of light, and light utilization ratio is low, and generating efficiency is poor, and economy is poor.
Utility model content
The purpose of this utility model is that raising is two-sided in order to solve the above problems there is provided a kind of two-sided photovoltaic power generation apparatus
The back side light utilization efficiency of photovoltaic electrification component, so as to improve generating efficiency and economic benefit.
In order to achieve the above object, the utility model provides a kind of two-sided photovoltaic power generation apparatus, including：Two-sided photovoltaic generation
Component and reflecting element, two-sided photovoltaic electrification component are front towards the one side of sunshine, and another side is the back side, the reflective member
Part is located at the back side of two-sided photovoltaic electrification component, and there is the reflecting element reflective surface to be sent out with sunlight reflection to two-sided photovoltaic
The back side of electrical component, the reflective surface is the plane being obliquely installed towards two-sided photovoltaic electrification component.
In the embodiment of the utility model one, the length direction of the two-sided photovoltaic electrification component is defined as X-axis, width side
To Z axis is defined as, thickness direction is defined as Y-axis；The plane is obtained by line segment in Z-direction translation.
In the embodiment of the utility model one, line segment is located in the plane that X-axis and Y-axis are constituted, and line segment passes through below equation
Limit：Wherein, H1For line segment one end apart from the back side of two-sided photovoltaic electrification component
Vertical range, w be line segment length, e is the scope of the light in X-direction at the back side for reflexing to two-sided photovoltaic module, and θ is
The angle of line segment and X-axis.
In the embodiment of the utility model one, one end of the line segment is located at a side of the two-sided photovoltaic electrification component
Underface, the other end of line segment is located at the outside of the two-sided photovoltaic electrification component.
In the embodiment of the utility model one, 0 ° of ＜ θ≤45 °.
In the embodiment of the utility model one,Wherein, L1For the length of two-sided photovoltaic electrification component.
In the embodiment of the utility model one, 0.5m≤L1≤2m。
In the embodiment of the utility model one, the one or both sides of the X-direction of the two-sided photovoltaic electrification component are set
The reflecting element.
Compared with prior art, the beneficial effect of the technical program is：
The utility model utilizes the reflective of reflecting element by setting reflecting element at the back side of two-sided photovoltaic electrification component
Face reflected sunlight, so as to improve the utilization ratio of light, improves generating efficiency, Jin Erti to the back side of two-sided photovoltaic electrification component
High economic benefit.
Brief description of the drawings
Fig. 1 is the cross-sectional view of an embodiment of the two-sided photovoltaic power generation apparatus of the utility model.
Fig. 2 is the light path principle figure of Fig. 1 two-sided photovoltaic power generation apparatus.
Fig. 3 is the cross-sectional view of another embodiment of the two-sided photovoltaic power generation apparatus of the utility model.
Fig. 4 is the light path principle figure of Fig. 3 two-sided photovoltaic power generation apparatus.
Embodiment
Below in conjunction with the accompanying drawings, by specific embodiment, clear, complete retouch is carried out to the technical solution of the utility model
State.
It refer to shown in Fig. 1-4, the utility model provides a kind of two-sided photovoltaic power generation apparatus, including：Two-sided photovoltaic generation
Component 1 and reflecting element 2.The one side of two-sided photovoltaic electrification component 1 towards sunshine is front 11, and another side is the back side 12.Institute
State the back side 12 that reflecting element 2 is located at two-sided photovoltaic electrification component 1.There is the reflecting element 2 reflective surface 21 to reflect the sun
Light is to the back side 12 of two-sided photovoltaic electrification component 1, and the reflective surface 21 is towards putting down that two-sided photovoltaic electrification component 1 is obliquely installed
Face.The utility model utilizes the reflective of reflecting element 2 by setting reflecting element 2 at the back side 12 of two-sided photovoltaic electrification component 1
The reflected sunlight of face 21, so as to improve the utilization ratio of light, improves generating efficiency, entered to the back side 12 of two-sided photovoltaic electrification component 1
And increase economic efficiency.
The length direction of the two-sided photovoltaic electrification component 1 is defined as X-axis, and width is defined as Z axis, and thickness direction is fixed
Justice is Y-axis.Fig. 1 show the plane that X-axis and Y-axis are constituted.The plane is obtained by line segment in Z-direction translation.Perpendicular to double
The light of reflecting element 2 is incided by the back of the body of plane reflection to two-sided photovoltaic electrification component 1 in the front 11 of face photovoltaic electrification component 1
Face 12, so as to improve the utilization rate of light, improves the generating efficiency of two-sided photovoltaic electrification component 1.
Line segment is located in the plane that X-axis and Y-axis are constituted.To cause the utilization rate of light to maximize, the setting of line segment is met
Below equation：
L=wcos θ (3),
Wherein, H1For line segment one end apart from the vertical range at the back side of two-sided photovoltaic electrification component 1, e is double to reflex to
The light at the back side 12 of face photovoltaic module is in the scope of X-direction, θ1The incidence angle for inciding line segment any point for light is (incident
Angle is determined by the following method：Make the normal perpendicular to line segment, incident ray and normal in the point of intersection of incident ray and line segment
Angle be incidence angle), L is the scope for inciding the light in plane in X-direction, and θ is line segment and the angle of X-axis, and w is line
The length of section.
According to the principle of reflection of light,
θ=θ1(4),
Equation (4) is substituted into equation (1) to obtain,
According to equation (1), (2), (4), it can obtain,
By controlling variable θ and e, the length w of line segment is can obtain, and determines H1.W is determined reflecting element 2 is determined
Size, it is determined that H1It is installation site that reflecting element 2 is determined with θ.Therefore, by controlling variable θ and e, you can according to
Equation (5) and (6) obtain the size and installation site of the reflecting element 2 under optimal light utilization.
In preferably embodiment, one end of the line segment is being located at a side of the two-sided photovoltaic electrification component 1 just
Lower section, the other end of line segment is located at the outside of the two-sided photovoltaic electrification component 1, then is being irradiated to two-sided photovoltaic electrification component 1 just
Light outside the region of face 11 can make full use of, and all reflex to the back side 12 of two-sided photovoltaic electrification component 1, generated electricity.
The light for reflexing to the back side 12 of two-sided photovoltaic module meets following condition in the scope e of X-direction：Wherein, L1For the length of two-sided photovoltaic electrification component 1.That is light after reflection can irradiate double
The half in the region of the back side 12 of face photovoltaic electrification component 1 and more than, maximum can irradiate the area of the back side 12 of two-sided photovoltaic electrification component 1
The whole in domain.It refer to shown in Fig. 1 and Fig. 2, in one embodiment, the both sides of the X-direction of the two-sided photovoltaic electrification component 1
The reflecting element 2 is respectively provided with, in order that the region of the back side 12 for obtaining two-sided photovoltaic electrification component 1 can make full use of and be sent out
Electricity, controlWhenWhen, two-sided photovoltaic hair can be completely covered in light after the reflection of two reflecting elements 2
The region of the back side 12 of electrical component 1；WhenWhen, light can not only be completely covered after the reflection of two reflecting elements 2
The region of the back side 12 of two-sided photovoltaic electrification component 1, and light occurs and partly overlaps, and substantially increases two-sided photovoltaic electrification component
The utilization ratio of the 1 12 pairs of light in the back side.It refer to shown in Fig. 3 and Fig. 4, in an another embodiment, the two-sided photovoltaic generating set
The side of the X-direction of part 1 sets the reflecting element 2, in order that the region of the back side 12 of two-sided photovoltaic electrification component 1 can be with
Make full use of and generated electricity, control e=L1, then light the back of the body of two-sided photovoltaic electrification component 1 can be completely covered after reflection
The region of face 12, the utilization ratio of light is maximum.Relative to the generating efficiency of one side photovoltaic module, the two-sided photovoltaic electrification component 1
Generating efficiency improves 100% or so.
In a particular embodiment, reflecting element 2 be surface plate, its towards the outer surface of two-sided photovoltaic electrification component 1 be anti-
Smooth surface 21, structure is very simple, easily makes, and also easily installs.But not limited to this, reflecting element 2 can also be other structures,
As long as it has the light-emitting area 21 set towards two-sided photovoltaic electrification component 1, light can equally be reflexed to two-sided photovoltaic
The back side of electrification component 1.
The length of two-sided photovoltaic electrification component 1 has plurality of specifications, usual 0.5m≤L according to the difference of product1≤ 2m, but
Not limited to this, L1When can also take the arbitrary value outside 0.5m~2m scopes, by controlling the θ of reflecting element 2, and according to equation
(5) and (6) still can determine the optimal location of reflecting element 2, the generating efficiency of two-sided photovoltaic electrification component 1 is made to reach most
Greatly.
θ value meets following condition：0 ° of ＜ θ≤45 °, should in the range of can by adjust reflecting element 2 size and
Installation site obtains optimal luminous efficiency.When θ=0 °, or during 45 ° of θ ＞, reflective surface 21 can not be being irradiated on reflective surface 21
Light all reflex to the back side 11 of two-sided photovoltaic electrification component 1, generating efficiency is relatively low, therefore, in order that two-sided photovoltaic is sent out
Electrical component 1 gives full play to the generating effect at the back side 11, and θ value is met：0 ° of ＜ θ≤45 °.
Although the utility model is disclosed as above with preferred embodiment, it is not for limiting the utility model, appointing
What those skilled in the art is not being departed from spirit and scope of the present utility model, may be by the method and skill of the disclosure above
Art content makes possible variation and modification to technical solutions of the utility model, therefore, every without departing from the utility model technology
The content of scheme, according to technical spirit of the present utility model above example is made it is any it is simple modification, equivalent variations and
Modification, belongs to the protection domain of technical solutions of the utility model.
Claims (8)
1. a kind of two-sided photovoltaic power generation apparatus, it is characterised in that including：Two-sided photovoltaic electrification component and reflecting element, dual light
The one side that electrification component is lied prostrate towards sunshine is front, and another side is the back side, and the reflecting element is located at two-sided photovoltaic generating set
The back side of part, the reflecting element has reflective surface with sunlight reflection to the back side of two-sided photovoltaic electrification component, and this is reflective
Face is the plane being obliquely installed towards two-sided photovoltaic electrification component.
2. two-sided photovoltaic power generation apparatus according to claim 1, it is characterised in that the length of the two-sided photovoltaic electrification component
Degree direction is defined as X-axis, and width is defined as Z axis, and thickness direction is defined as Y-axis；The plane is put down by line segment in Z-direction
Shifting is obtained.
3. two-sided photovoltaic power generation apparatus according to claim 2, it is characterised in that line segment is positioned at putting down that X-axis and Y-axis are constituted
On face, line segment is limited by below equation：Wherein, H1It is double for one end distance of line segment
The vertical range at the back side of face photovoltaic electrification component, w is the length of line segment, and e is the light at the back side for reflexing to two-sided photovoltaic module
Line is in the scope of X-direction, and θ is line segment and the angle of X-axis.
4. two-sided photovoltaic power generation apparatus according to claim 3, it is characterised in that one end of the line segment is located at described double
The underface of one side of face photovoltaic electrification component, the other end of line segment is located at the outside of the two-sided photovoltaic electrification component.
5. two-sided photovoltaic power generation apparatus according to claim 3, it is characterised in that 0 ° of ＜ θ≤45 °.
6. two-sided photovoltaic power generation apparatus according to claim 3, it is characterised in thatWherein L1To be two-sided
The length of photovoltaic electrification component.
7. two-sided photovoltaic power generation apparatus according to claim 6, it is characterised in that 0.5m≤L1≤2m。
8. two-sided photovoltaic power generation apparatus according to claim 1, it is characterised in that the X of the two-sided photovoltaic electrification component
The one or both sides of direction of principal axis set the reflecting element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621268299.XU CN206388718U (en) | 2016-11-11 | 2016-11-11 | Two-sided photovoltaic power generation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621268299.XU CN206388718U (en) | 2016-11-11 | 2016-11-11 | Two-sided photovoltaic power generation apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN206388718U true CN206388718U (en) | 2017-08-08 |
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ID=59486114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621268299.XU Active CN206388718U (en) | 2016-11-11 | 2016-11-11 | Two-sided photovoltaic power generation apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108011574A (en) * | 2017-11-22 | 2018-05-08 | 国网湖北省电力有限公司 | Double-sided solar battery tracks the panel construction design method of stent |
| CN108880458A (en) * | 2018-08-17 | 2018-11-23 | 四川钟顺太阳能开发有限公司 | The camber reflection condenser system of two-sided photovoltaic module based on biaxial solar tracker |
| EP3565111A1 (en) * | 2018-05-04 | 2019-11-06 | Commissariat à l'énergie atomique et aux énergies alternatives | Photovoltaic solar energy system with retractable mirrors |
-
2016
- 2016-11-11 CN CN201621268299.XU patent/CN206388718U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108011574A (en) * | 2017-11-22 | 2018-05-08 | 国网湖北省电力有限公司 | Double-sided solar battery tracks the panel construction design method of stent |
| CN108011574B (en) * | 2017-11-22 | 2019-08-20 | 国网湖北省电力有限公司 | The panel construction design method of double-sided solar battery tracking bracket |
| EP3565111A1 (en) * | 2018-05-04 | 2019-11-06 | Commissariat à l'énergie atomique et aux énergies alternatives | Photovoltaic solar energy system with retractable mirrors |
| FR3080965A1 (en) * | 2018-05-04 | 2019-11-08 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | SOLAR PHOTOVOLTAIC SOLAR ENERGY SYSTEM WITH RETRACTABLE MIRRORS |
| CN108880458A (en) * | 2018-08-17 | 2018-11-23 | 四川钟顺太阳能开发有限公司 | The camber reflection condenser system of two-sided photovoltaic module based on biaxial solar tracker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Wenyong Inventor after: Ma Lin Inventor after: Liang Zhongtang Inventor after: Jiang Bangyou Inventor after: Shi Qiyun Inventor before: He Chuntao Inventor before: Yin Lisheng Inventor before: Liu Zhiyong Inventor before: Ma Lin Inventor before: Liang Zhongtang Inventor before: Jiang Bangyou Inventor before: Xu Qing Inventor before: Shi Qiyun Inventor before: Qu Xinchun |
|
| CB03 | Change of inventor or designer information | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Double sided photovoltaic power generation device Effective date of registration: 20211013 Granted publication date: 20170808 Pledgee: The Bank of Hangzhou branch of Limited by Share Ltd sea park Pledgor: HANGZHOU PINNET TECHNOLOGIES Co.,Ltd. Registration number: Y2021980010423 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |