CN204464304U - A kind of heat radiation glass film plates of high power condense photovoltaic electrification module receiver - Google Patents
A kind of heat radiation glass film plates of high power condense photovoltaic electrification module receiver Download PDFInfo
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- CN204464304U CN204464304U CN201520154458.2U CN201520154458U CN204464304U CN 204464304 U CN204464304 U CN 204464304U CN 201520154458 U CN201520154458 U CN 201520154458U CN 204464304 U CN204464304 U CN 204464304U
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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
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Abstract
The heat radiation glass film plates of a kind of high power condense photovoltaic electrification module receiver of the present utility model, belongs to high concentration solar technical field of photovoltaic power generation.Heat radiation glass film plates of the present utility model, the surface contacted with air is formed by by necessarily regularly arranged curved body geometry array, and this geometry array comprises by the regularly arranged hemisphere face body of two-dimensional arrangements, by the regularly arranged semi-cylindrical body etc. of one dimensional arrangement.The utility model improves the area of dissipation of glass surface, thus effectively improves the heat dispersion of module receiver glass film plates, reduces the working temperature of chip, further increases generating efficiency and the cost performance of power generation module group.
Description
Technical field
The utility model relates to high concentration solar technical field of photovoltaic power generation, more particularly, relates to a kind of heat radiation glass film plates of high power condense photovoltaic electrification module receiver.
Background technology
Solar use is a kind of important new forms of energy.It has been generally acknowledged that high power condense photovoltaic electrification technology is by solar battery chip technology, the three large key technologies such as high power concentrator technology and solar tracking technology are formed.But an important technology---the heat radiation of battery chip is ignored by people usually in addition.Module miniaturization is one of designer trends of current high power condense photovoltaic electrification module.The aperture of this module group unit lens and focal length all less (within 100mm), under the certain geometric concentrating ratio of maintenance (as 350x-1000x), also less (2-3mm), the corresponding thermal power that chip produces also reduces corresponding battery chip size thereupon.When single-element lens is of a size of 60x60mm, each battery chip to the contribution of generated output (STC) about 1.2 watts time, as fruit chip efficiency be 45% (highest level of current volume production) time, the so corresponding thermal power produced is about 1.45 watts.This thermal power can make the working temperature rising 40-50 degree of chip reach 65-75 degree, or power reduction 6-8%.Therefore the heat dispersion of module receiver is improved thus the working temperature reducing chip followingly improves one of important technology approach of module power further.
This thin module that have employed based on aperture and all less lens of focal length is no longer suitable for conventional fan-shaped aluminium radiator, at this moment thin module casing particularly module base plate become the main heat sink carrier of receiver heat energy.German Soitec in recent years, Japanese Sumitomo, the companies such as Suncore and the Red Solar of China successively research employing float glass is the radiating bottom plate of module receiver.Glass film plates is except bearing function, the radiation of base plate glass surface can also be utilized and with the convection current of surrounding air to realize heat from the transmission of chip-aluminum heat conducting plate-glass film plates-air and heat radiation, as shown in Figure 1, wherein, 1 is chip, 2 is tack coats, and 3 is aluminum heat conducting plates, and 4 is glass film plates.But what module adopted is all plate glass, and the heat loss through radiation of glass film plates is relevant with area with the shape of glass surface before, the heat dispersion of the glass film plates of this novel module receiver needs to improve further.
Utility model content
1. the utility model technical problem that will solve
The proposition of the heat radiation glass film plates of a kind of high power condense photovoltaic electrification module receiver of the present utility model is the heat radiation glass film plates of the heat dispersion in order to propose a kind of further raising high power condense photovoltaic electrification module receiver glass film plates.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
The heat radiation glass film plates of a kind of high power condense photovoltaic electrification module receiver of the present utility model, the surface that heat radiation glass film plates contacts with air is formed by by necessarily regularly arranged curved body geometry array.
As further improvement of the utility model: described curved body geometry comprises hemisphere face body.
As further improvement of the utility model: described curved body geometry comprises half ellipsoid spheroid.
As further improvement of the utility model: described curved body geometry comprises semi-cylindrical body.
As further improvement of the utility model: the curved body geometry array on described heat radiation glass film plates surface is regularly arranged by two-dimensional arrangements.
As further improvement of the utility model: the surface that heat radiation glass film plates contacts with air is made up of the semi-cylindrical body array by one dimensional arrangement.
The main heat sink of consideration high power condense photovoltaic electrification module receiver thermal source is realized to the cross-ventilation outside module and radiation by the heat radiation glass film plates of module.The heat transfer process of receiver thermal source is as follows: first pass to glass film plates upper surface from receiver thermal source by heat-dissipating aluminium plate, heat is at the interface of glass film plates internal delivery to glass film plates and air afterwards, and at glass heat-delivery surface, the area scattering namely contacted with air mainly contains that convection current and thermal radiation occur:
Convection current formula is Q
2=HS Δ T (1)
The thermal radiation formula of glass surface is Q
3=ε S Δ TF (2)
H is coefficient of heat convection value, and S then represents effective contact area of thermal convection; Δ T represents the temperature difference between glass surface and regional fluid, and ε is heat emissivity coefficient.
From above two formula, no matter be by heat loss through convection or heat loss through radiation, heat dispersion is all relevant with efficiently radiates heat area.
3. beneficial effect
The technical scheme adopting the utility model to provide, compared with prior art, has following remarkable result:
(1) the heat radiation glass film plates of a kind of high power condense photovoltaic electrification module receiver of the present utility model, the face towards air of glass film plates is made up of the curved body array of small solid geometry shape, improve the area of dissipation of glass surface, thus effectively improve the heat dispersion of module receiver glass film plates, reduce the working temperature of chip, further increase generating efficiency and the cost performance of power generation module group.
(2) the heat radiation glass film plates of a kind of high power condense photovoltaic electrification module receiver of the present utility model, while efficiently radiates heat area can improve greatly, cost needs to increase hardly.
(3) the heat radiation glass film plates of a kind of high power condense photovoltaic electrification module receiver of the present utility model, rational in infrastructure, principle is understandable, is convenient to promote the use of.
Accompanying drawing explanation
Fig. 1 is the flat plate radiation glass film plates schematic diagram of module receiver in background technology;
Fig. 2 is the structural representation that glass film plates and module receiver assemble that dispels the heat in embodiment 1;
Fig. 3 is the glass film plates surface texture schematic diagram that dispels the heat in embodiment 1;
Fig. 4 be dispel the heat in embodiment 1 glass film plates surface single hemisphere face body structural representation;
Fig. 5 is the structural representation that glass film plates and module receiver assemble that dispels the heat in embodiment 2;
Fig. 6 is the glass film plates surface texture schematic diagram that dispels the heat in embodiment 2;
Fig. 7 be dispel the heat in embodiment 2 glass film plates surface single hemisphere face body structural representation;
Fig. 8 is the structural representation that glass film plates and module receiver assemble that dispels the heat in embodiment 3;
Fig. 9 is the glass film plates surface texture schematic diagram that dispels the heat in embodiment 3;
Figure 10 be dispel the heat in embodiment 3 glass film plates surface single semi-cylindrical body structural representation.
Embodiment
For understanding content of the present utility model further, by reference to the accompanying drawings and embodiment the utility model is described in detail.
Embodiment 1
The heat radiation glass film plates of a kind of high power condense photovoltaic electrification module receiver of the present embodiment, the surface that heat radiation glass film plates contacts with air is formed by by by necessarily regularly arranged curved body geometry array.This curved body is hemisphere face body, and in two-dimension square shape queueing discipline, (i.e. this hemisphere face body and square inscribe) forms the contact-making surface (as shown in Figure 2, Figure 3, Figure 4) of dispel the heat glass film plates and air.
If be 2r with the square length of side of hemisphere face body inscribe, the radius of ball is r
Hemisphere face body efficiently radiates heat area then in two-dimension square shape queueing discipline is:
The multiple that it increases than foursquare floor space is:
The glass back plate design specification of the present embodiment is 60x60x3.2mm, be r=1mm with the hemisphere face body design specification of square inscribe, spacing 2mm, natural convection air coefficient is 5-25 (W/ ㎡ * K), detects under being chosen at the condition of 15 (W/ ㎡ * K) in the present embodiment; Chip heat is 1.467w; Ambient temperature 25 DEG C; Glass emissivity 0.92;
The hemisphere face body glass back plate base area in two-dimension square shape queueing discipline of the present embodiment is 6427mm
2, it is 1.785 that area increases multiple, and experimental result chip maximum temperature 54.3 DEG C, generating efficiency is 29.05.
Embodiment 2
The heat radiation glass film plates of a kind of high power condense photovoltaic electrification module receiver of the present embodiment, the surface that heat radiation glass film plates contacts with air is formed by by by necessarily regularly arranged curved body geometry array.This curved body is hemisphere face body, and in hexagonal queueing discipline, (i.e. this hemisphere face body and regular hexagon inscribe) forms the contact-making surface (as shown in Fig. 5, Fig. 6, Fig. 7) of dispel the heat glass film plates and air.
If be 2r with the square length of side of hemisphere face body inscribe,
Hemisphere face body efficiently radiates heat area then in two-dimension square shape queueing discipline is: S
2=6R
2tan30-π R
2+ 2 π R
2;
The multiple that it increases than orthohexagonal floor space is:
The glass back plate design specification of the present embodiment is 60x60x3.2mm, is r=1mm, spacing 1.73mm with the hemisphere face body design specification of regular hexagon shape inscribe, and natural convection air coefficient is 15 (W/ ㎡ * K); Chip heat is 1.467w; Ambient temperature 25 DEG C; Glass emissivity 0.92;
The hemisphere face body glass back plate base area in hexagonal queueing discipline of the present embodiment is 6840mm
2, it is 1.9 that area increases multiple, and experimental result chip maximum temperature 51.45 DEG C, generating efficiency is 29.34%.
Embodiment 3
The heat radiation glass film plates of a kind of high power condense photovoltaic electrification module receiver of the present embodiment, the surface that heat radiation glass film plates contacts with air is formed by by by necessarily regularly arranged curved body geometry array.This curved body is semi-cylindrical body, and in one dimensional arrangement, rule forms the contact-making surface (as shown in Fig. 8, Fig. 9, Figure 10) of heat radiation glass film plates and air.
If the radius of semicolumn is r, namely bottom width is 2r,
Then the efficiently radiates heat area of strip semi-cylindrical body is S=π rL;
The multiple that it increases than rectangular floor space is: M=pi/2.
The glass back plate design specification of the present embodiment is 60x60x3.2mm, and semi-cylindrical body design size is r=1mm, and natural convection air coefficient is 15 (W/ ㎡ * K); Chip heat is 1.467w; Ambient temperature 25 DEG C; Glass emissivity 0.92;
The semi-cylindrical body glass back plate base area of the present embodiment is 5652mm
2, it is 1.57 that area increases multiple, and experimental result chip maximum temperature 55.6 DEG C, generating efficiency is 28.92%.
Embodiment 4
The heat radiation glass film plates of a kind of high power condense photovoltaic electrification module receiver of the present embodiment, the surface that heat radiation glass film plates contacts with air is plane.
The glass back plate design specification of the present embodiment is 60x60x3.2mm, and natural convection air coefficient is 15 (W/ ㎡ * K); Chip heat is 1.467w; Ambient temperature 25 DEG C; Glass emissivity 0.92;
The flat glass backboard base area of the present embodiment is 3600mm
2, it is 1 that area increases multiple; Experimental result chip maximum temperature 64.8 DEG C, the generating efficiency 28% of actual measurement.
The glass film plates design size of embodiment 1 to embodiment 4, area of dissipation, area increase multiple and chip maximum temperature list:
Due to the particularity of glass moulding processes, in general, the production technology having tiny sharp-pointed micro-structure surface has certain limitation.The surface of curved body micro-structural then has better moulded manufacturability.This novel surface micro-structure heat radiation glass is more convenient for being applied in light-gathering solar photovoltaic electricity-generating component.
Schematic above the utility model and execution mode thereof to be described, this description is not restricted, shown in accompanying drawing is also one of execution mode of the present utility model, actual structure is not limited thereto, the curved body of heat radiation glass surface is not limited to the structure in 3 embodiments, and heat radiation glass film plates surface just can also be formed with necessarily regularly arranged row for geometries such as paraboloid.So, if those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, design the frame mode similar to this technical scheme and embodiment without creationary, protection range of the present utility model all should be belonged to.
Claims (6)
1. a heat radiation glass film plates for high power condense photovoltaic electrification module receiver, is characterized in that: the surface that heat radiation glass film plates contacts with air is made up of necessarily regularly arranged curved body geometry array.
2. the heat radiation glass film plates of a kind of high power condense photovoltaic electrification module receiver according to claim 1, is characterized in that: described curved body geometry comprises hemisphere face body.
3. the heat radiation glass film plates of a kind of high power condense photovoltaic electrification module receiver according to claim 1, is characterized in that: described curved body geometry comprises half ellipsoid spheroid.
4. the heat radiation glass film plates of a kind of high power condense photovoltaic electrification module receiver according to claim 1, is characterized in that: described curved body geometry comprises semi-cylindrical body.
5. the heat radiation glass film plates of a kind of high power condense photovoltaic electrification module receiver according to Claims 2 or 3 any one, is characterized in that: the curved body geometry array on described heat radiation glass film plates surface is regularly arranged by two-dimensional arrangements.
6. the heat radiation glass film plates of a kind of high power condense photovoltaic electrification module receiver according to claim 4, is characterized in that: the surface that heat radiation glass film plates contacts with air is made up of the semi-cylindrical body array by one dimensional arrangement.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520154458.2U CN204464304U (en) | 2015-03-18 | 2015-03-18 | A kind of heat radiation glass film plates of high power condense photovoltaic electrification module receiver |
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|---|---|---|---|
| CN201520154458.2U CN204464304U (en) | 2015-03-18 | 2015-03-18 | A kind of heat radiation glass film plates of high power condense photovoltaic electrification module receiver |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104734629A (en) * | 2015-03-18 | 2015-06-24 | 日芯光伏科技有限公司 | Cooling glass bottom plate of high-concentration photovoltaic power generation module receiver and preparation method of cooling glass bottom plate |
| CN105977331A (en) * | 2016-07-08 | 2016-09-28 | 长春理工大学 | Glass cover plate of solar cell module having convex cylindrical surface grid-shaped structure |
| CN107046074A (en) * | 2016-02-04 | 2017-08-15 | 常州亚玛顿股份有限公司 | The solar module of low operating temperature |
-
2015
- 2015-03-18 CN CN201520154458.2U patent/CN204464304U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104734629A (en) * | 2015-03-18 | 2015-06-24 | 日芯光伏科技有限公司 | Cooling glass bottom plate of high-concentration photovoltaic power generation module receiver and preparation method of cooling glass bottom plate |
| CN107046074A (en) * | 2016-02-04 | 2017-08-15 | 常州亚玛顿股份有限公司 | The solar module of low operating temperature |
| CN105977331A (en) * | 2016-07-08 | 2016-09-28 | 长春理工大学 | Glass cover plate of solar cell module having convex cylindrical surface grid-shaped structure |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20190318 |