CN206388717U - Two-sided photovoltaic power generation apparatus - Google Patents
Two-sided photovoltaic power generation apparatus Download PDFInfo
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- CN206388717U CN206388717U CN201621260978.2U CN201621260978U CN206388717U CN 206388717 U CN206388717 U CN 206388717U CN 201621260978 U CN201621260978 U CN 201621260978U CN 206388717 U CN206388717 U CN 206388717U
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- sided photovoltaic
- electrification component
- back side
- sided
- 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 towards the concave surface of 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 towards the concave surface of 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 concave surface is obtained by curve in Z-direction translation.
In the embodiment of the utility model one, curve is located in the plane that X-axis and Y-axis are constituted, curve negotiating below equation
Limit：Wherein, SOAFor the arc length of curve, H is one end of curve apart from two-sided photovoltaic generation
The vertical range at the back side of component, e is the scope of the light in X-direction at the back side for reflexing to two-sided photovoltaic module.
In the embodiment of the utility model one, one end of the curve is located at a side of the two-sided photovoltaic electrification component
Underface, the other end of curve is located at the outside of the two-sided photovoltaic electrification component.
In the embodiment of the utility model one, 0.4m≤H≤1.2m.
In the embodiment of the utility model one,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 the concave surface of two-sided photovoltaic electrification component 1.This reality
It is anti-using the reflective surface 21 of reflecting element 2 with new by setting reflecting element 2 at the back side 12 of two-sided photovoltaic electrification component 1
Sunshine is penetrated to the back side 12 of two-sided photovoltaic electrification component 1 to improve the utilization ratio of light, generating efficiency is improved, and then improve
Economic benefit.
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.Curve is located in the plane that X-axis and Y-axis are constituted.The concave surface is by song
Line is obtained in Z-direction translation.The light of reflecting element 2 is incided by recessed perpendicular to the two-sided front 11 of photovoltaic electrification component 1
Face reflexes to the back side 12 of two-sided photovoltaic electrification component 1, so as to improve the utilization rate of light, improves two-sided photovoltaic generating set
The generating efficiency of part 1.
The curve is parabolical one section of camber line, be refer to shown in Fig. 1 and Fig. 2, in a preferred embodiment, the one of curve
End is positioned at the underface of a side of the two-sided photovoltaic electrification component 1, that is, one end of curve is parabolical summit, bent
The other end of line is located at the outside of the two-sided photovoltaic electrification component 1.Be irradiated to positive 11 region of two-sided photovoltaic electrification component 1 it
Outer light can make full use of, and all reflex to the back side 12 of two-sided photovoltaic electrification component 1, generated electricity.In the present embodiment,
Parabolical summit is defined as the zero point of X-axis and Y-axis, then camber line OA represents the curve to form concave surface.In Fig. 2, O is reference axis
Zero point, A is the end points of the other end of curve, and F is parabolical focus, and B is that reflective surface 21 reaches two-sided in the light of A point reflections
The position at the back side of photovoltaic electrification component 1, the light that reflective surface 21 reflects is all by parabolical focus F, it is, A, B
Line is through overfocus F.In Fig. 2, the coordinate of O points is (0,0), and the coordinate of A points is (x1,y1), B point coordinates is (e, H), F point coordinates
ForWherein, e is the scope of the light in X-direction at the back side 12 for reflexing to two-sided photovoltaic module, and H is the one of curve
The vertical range apart from the back side of two-sided photovoltaic electrification component 1 is held,
In Fig. 2, parabolic equation is：
x2=2py (1),
Focus equation is：
Changes in coordinates x ∈ [0, e] of the light through concave reflection in X-axis.
B points are substituted into equation (1), can be obtained：
B points and equation (3) are substituted into equation (2), can be obtained：
According to equation (1) and (2), A point coordinates (x can be sought1,y1), obtain：
The arc length S of curveOAMeet formula：
In equation (7), y value meets equation (6), then
Equation (3) is substituted into equation (8), can be obtained：
In above-mentioned equation, e and H are variables, are determined after e and H, according to above-mentioned equation (7), (3) and (9), be can obtain optimal
The arc length of reflection efficiency lower curve.
In preferably embodiment, the light for reflexing to the back side 12 of two-sided photovoltaic module is met in the scope e of X-direction
Following condition：Wherein, L1For the length of two-sided photovoltaic electrification component 1.That is light after reflection
Can irradiate the region of the back side 12 of two-sided photovoltaic electrification component 1 half and more than, maximum can irradiate two-sided photovoltaic electrification component 1
The region of the back side 12 whole.It refer to shown in Fig. 1 and Fig. 2, in one embodiment, the X-axis of the two-sided photovoltaic electrification component 1
The both sides in direction are respectively provided with the reflecting element 2, in order that the region of the back side 12 for obtaining two-sided photovoltaic electrification component 1 can be fully sharp
With being generated electricity, controlWhenWhen, light can be completely covered double after the reflection of two reflecting elements 2
The region of the back side 12 of face photovoltaic electrification component 1；WhenWhen, light not only can be with after the reflection of two reflecting elements 2
It is completely covered the region of the back side 12 of two-sided photovoltaic electrification component 1, and light occurs and partly overlapped, and substantially increases two-sided photovoltaic
The utilization ratio of the 12 pairs of light in the back side of electrification component 1.It refer to shown in Fig. 3 and Fig. 4, in another embodiment, the dual light
The side for lying prostrate the X-direction of electrification component 1 sets the reflecting element 2, in order that obtaining the back side 12 of two-sided photovoltaic electrification component 1
Region can make full use of and be generated electricity, and control e=L1, then light two-sided photovoltaic generating set can be completely covered after reflection
The region of the back side 12 of part 1, the utilization ratio of light is maximum.Relative to the generating efficiency of one side photovoltaic module, the two-sided photovoltaic generation
The generating efficiency of component 1 improves 100% or so.
In a particular embodiment, reflecting element 2 is arc, and the surface of its indent is reflective surface 21, and structure is very simple,
Easily make, also easily install.But not limited to this, reflecting element 2 can also be other structures, as long as it has towards dual light
The light-emitting area 21 that the depression of electrification component 1 is set is lied prostrate, light can equally be reflexed to the back side of two-sided photovoltaic 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 H of reflecting element 2, that is, determine reflective
The installation site of element 2, and according to equation (7), (3) and (9), can obtain the arc length of optimal conditions lower curve, make two-sided photovoltaic
The generating efficiency of electrification component 1 reaches maximum.
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 towards the concave surface of 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；Put down by curve in Z-direction the concave surface
Shifting is obtained.
3. two-sided photovoltaic power generation apparatus according to claim 2, it is characterised in that curve is positioned at putting down that X-axis and Y-axis are constituted
On face, curve negotiating below equation is limited：
Wherein,SOA
For the arc length of curve, H is vertical range of the one end apart from the back side of two-sided photovoltaic electrification component of curve, and e is two-sided to reflex to
The light at the back side of photovoltaic module is in the scope of X-direction, and the other end of curve is positioned at the outer of the two-sided photovoltaic electrification component
Side.
4. two-sided photovoltaic power generation apparatus according to claim 3, it is characterised in that one end of the curve is located at described double
The underface of one side of face photovoltaic electrification component.
5. two-sided photovoltaic power generation apparatus according to claim 3, it is characterised in that 0.4m≤H≤1.2m.
6. two-sided photovoltaic power generation apparatus according to claim 3, it is characterised in thatL1For two-sided photovoltaic
The length of 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 2, 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 |
|---|---|---|---|
| CN201621260978.2U CN206388717U (en) | 2016-11-11 | 2016-11-11 | Two-sided photovoltaic power generation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621260978.2U CN206388717U (en) | 2016-11-11 | 2016-11-11 | Two-sided photovoltaic power generation apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206388717U true CN206388717U (en) | 2017-08-08 |
Family
ID=59485884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621260978.2U Active CN206388717U (en) | 2016-11-11 | 2016-11-11 | Two-sided photovoltaic power generation apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206388717U (en) |
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2016
- 2016-11-11 CN CN201621260978.2U patent/CN206388717U/en active Active
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| 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 |
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| CB03 | Change of inventor or designer information |