CN207947293U - Composite solar battery backboard - Google Patents
Composite solar battery backboard Download PDFInfo
- Publication number
- CN207947293U CN207947293U CN201820003925.5U CN201820003925U CN207947293U CN 207947293 U CN207947293 U CN 207947293U CN 201820003925 U CN201820003925 U CN 201820003925U CN 207947293 U CN207947293 U CN 207947293U
- Authority
- CN
- China
- Prior art keywords
- backboard
- thermal column
- fixed
- solar battery
- backboard membrane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Photovoltaic Devices (AREA)
Abstract
A kind of composite solar battery backboard, including backboard membrane further include being fixed on heat dissipating layer of the backboard membrane far from solar panel side, it is characterized in that, heat dissipating layer includes a hollow box body, babinet facade is provided with ventilation opening, thermal column is fixed in babinet, thermal column is hollow taper, and tank floor is close at cone bottom, and the bottom of thermal column is provided with venthole, venthole is no less than four, and be uniformly distributed, thermal column top end opening is directed toward backboard membrane, and spiral flow deflector is fixed on the inner wall of the thermal column.The backboard can improve radiating efficiency, ensure the operation is stable.
Description
Technical field
The utility model is related to a kind of solar cell backboards, and in particular to a kind of heat sinking function solar cell outstanding
Backboard.
Background technology
In recent years, the problem of environmental pollution caused with the reduction of fossil energy reserves and by fossil energy is increasingly tight
Weight, is cleaned and the regenerative resource of sustainable use obtains large-scale development, and in regenerative resource, solar energy power generating exists
Also increasing proportion will be occupied in energy resource structure.The problem of industry most pays close attention to solar energy power generating at present is power generation
Efficiency and equipment life.The service life of solar panel is all related with operating temperature to generating efficiency, excessively high temperature meeting
The serious service life and generating efficiency for reducing solar panel, this influence is more notable in condensation photovoltaic technology, in addition low temperature
Situation can also make solar cell bursting by freezing or generate other influences, and then shorten the service life of entire solar panel, because
This, carries out effective control to the temperature of conventional solar panel and concentration photovoltaic solar energy solar panel and has become the sun
Important content in energy power field.
Existing solar cell usually overleaf installs backboard additional, and relatively common is that fluorine-contained film, pet layer add PE to bond
The straticulate structure of layer.With electrical insulating property outstanding and water resistance, dimensional stability is also more excellent for it.
A kind of area of China's distribution of solar energy resource is mostly the Northwest, and the Northwest's day and night temperature is big, night temperature
Spend it is low, to conventional photovoltaic solar panel take night antifreezing measures very it is necessary to.And for the higher condensation photovoltaic of generating efficiency
Solar panel, with the increase of light concentrating times, the temperature of solar panel can be than conventional batteries plate higher when work, therefore battery
The heat dissipation of plate is also more important, and the cooling technology currently used for solar panel is broadly divided into impact jet flow cooling, pressure pair
The technologies such as cooling, the free convection cooling of stream.
In the prior art, Chinese patent（Application number：CN201710012259.1, a kind of title " solar cell plate temperature
Regulation device "）Disclose following technical solution：Solar panel temperature control device is by phase-change material babinet and crust of the device
It is weldingly connected, crust of the device upper port placing toughened glass plate；Welding outside radiated rib on two long side surfaces of crust of the device；Too
Positive energy solar panel bottom plate and phase-change material welding box body, inside needle rib are welded on solar panel bottom plate, phase-change material, heat
Diode material is respectively by being arranged in heat accumulating injection hole and thermal diode material injection hole implantation temperature regulation device.Its
There is following drawback in actual use, single phase-change material when absorbing and releasing heat, fix for temperature by heat transfer rate
It cannot be satisfied use demand when changing very fast.
In the prior art, backboard single utilization phase-change material carries out heat accumulation and then realizes to stablize solar cell backboard work
Temperature.But phase-change material is only used only, and under hot weather, the heat accumulation effect of phase-change material is very limited, under hot weather,
Often it will appear after solid phase change material is all transformed into liquid, the temperature of outdoor environment temperature and solar panel also exists
It is lasting to increase, just have exceeded the limit of phase-change material heat accumulation in this case, at this time the temperature of solar panel can quickly and
It is lasting to increase, and then influence its generating efficiency.
Invention content
The purpose of this utility model is to provide one kind having good radiating efficiency, and then ensures that solar panel is steady
Surely the composite solar battery backboard to generate electricity.
To achieve the goals above, the utility model includes backboard membrane, further includes being fixed on backboard membrane far from solar-electricity
The heat dissipating layer of pond plate side, which is characterized in that heat dissipating layer includes a hollow box body, and babinet facade is provided with ventilation opening, in babinet
Fixed thermal column, thermal column are hollow taper, and tank floor is close at cone bottom, and the bottom of thermal column is provided with venthole, ventilation
Hole is no less than four, and is uniformly distributed, and thermal column top end opening is directed toward backboard membrane, fixes spiral on the inner wall of the thermal column and leads
Flow.
Further, further include heat conductive pad, heat conductive pad is fixed on backboard membrane far from solar panel side, heat conductive pad
Solid-liquid phase change material is filled between backboard membrane, phase transition temperature is within the scope of 20 to 80 degree.
Further, the heat conductive pad is fixed by the hot pressing item of multiple square crossings on backboard membrane again, and hot pressing item will be led
Heat pad is separated into the identical rectangle of size, and solid-liquid phase change material is filled between each rectangle and backboard membrane.
Further, circular through hole is set at the rectangular center, and through hole seals fixation hollow metal ball, metal
Spherical shell body thickness is not more than three millimeters.
Further, further include central aeration pipe, central aeration pipe one end is stretched into metal ball, and the other end stretches into thermal column
Interior, thermal column top end opening is fixedly connected with metal ball bottom outer surface.
Further, the solid-liquid phase change material is Na2CO3 10H2O, 32 DEG C of phase transition temperature, latent heat of phase change 267kJ/
kg；LiNO3 3H2O, 29 DEG C of phase transition temperature, latent heat of phase change 298kJ/kg；Laruyl alcohol, 26 DEG C of phase transition temperature, latent heat of phase change
200kJ/kg；Na2SO4 10H2O, fusing point are 32.4 DEG C；Na2PO4 12H2O, fusing point are 35 DEG C, lauric acid/dodecanoic acid, fusing point 44.2
It is one or more in DEG C.
The beneficial effects of the utility model are that the venthole of hollow thermal column bottom end can receive the external world to be blown into babinet
Interior cold air, cold air, which enters thermal column, quickly to be cooled down backboard membrane, and thermal column itself has heat conduction in addition
Heat on backboard membrane is transferred out, be cooled down using outside air by function.In addition, between heat conductive pad and backboard membrane
Phase-change material can effectively absorb the heat on backboard membrane.Using the cold wind of thermal column top end opening blowout to phase transformation ability material
Material is cooled down, and the operating temperature of solar panel can be effectively stablized, and improves working efficiency.
Description of the drawings
Fig. 1 is utility model diagram.
Fig. 2 is heat conductive pad schematic diagram.
Fig. 3 is the partial enlarged view of Fig. 1.
Specific implementation mode
The utility model is described in detail below in conjunction with the accompanying drawings.
As shown in Figures 1 to 3, a kind of composite solar battery backboard, including backboard membrane 10, further include being fixed on backboard membrane
10 heat dissipating layers 20 far from solar panel side, which is characterized in that heat dissipating layer 20 includes a hollow box body, babinet facade
It is provided with ventilation opening, thermal column 40 is fixed in babinet, thermal column 40 is hollow taper, and tank floor, thermal column are close in cone bottom
40 bottom is provided with venthole 42, and venthole 42 is no less than four, and is uniformly distributed, and 40 top end opening of thermal column is directed toward backboard membrane
10, spiral flow deflector 41 is fixed on the inner wall of the thermal column 40.
Preferred embodiment, further includes heat conductive pad 21, and heat conductive pad 21 is fixed on backboard membrane 10 far from solar panel
On side, solid-liquid phase change material is filled between heat conductive pad 21 and backboard membrane 10, phase transition temperature is within the scope of 20 to 80 degree.In
The venthole of empty thermal column bottom end can receive the extraneous cold air being blown into babinet, and cold air enters thermal column can be quick
Backboard membrane is cooled down, thermal column itself has the function of heat conduction in addition, by the heat on backboard membrane transfer out come, utilize
Outside air is cooled down.In addition, the phase-change material between heat conductive pad and backboard membrane can effectively absorb the heat on backboard membrane
Amount.The cold wind blown out using thermal column top end opening cools down phase transformation ability material, can effectively stablize solar cell
The operating temperature of plate improves working efficiency.
Preferred embodiment, the heat conductive pad 21 are fixed by the hot pressing item of multiple square crossings on backboard membrane 10 again,
Heat conductive pad 21 is separated into the identical rectangle of size by hot pressing item, and solid-liquid phase change material is filled between each rectangle and backboard membrane 10
Material.Heat conductive pad can be carried out subregion by hot pressing item, and being concentrated to central area after preventing phase-change material from liquefying causes heat conductive pad to deform
Damage.
Preferred embodiment, circular through hole is arranged at the rectangular center, and through hole seals fixation hollow metal
Ball 30,30 thickness of shell of metal ball are not more than three millimeters.The effect of metal ball is to speed up heat dissipation, accelerates leading for phase-change material heat
Go out speed.
Preferred embodiment further includes central aeration pipe 50, and 50 one end of central aeration pipe is stretched into metal ball 30, another
End is stretched into thermal column 40, and 40 top end opening of thermal column is fixedly connected with 30 bottom outer surface of metal ball.Central aeration pipe will be cold
Air, which imports, accelerates heat dissipation in metal ball.
Preferred embodiment, the solid-liquid phase change material are Na2CO3 10H2O, 32 DEG C of phase transition temperature, latent heat of phase change
267kJ/kg；LiNO3 3H2O, 29 DEG C of phase transition temperature, latent heat of phase change 298kJ/kg；Laruyl alcohol, 26 DEG C of phase transition temperature, phase transformation are latent
Hot 200kJ/kg；Na2SO4 10H2O, fusing point are 32.4 DEG C；Na2PO4 12H2O, fusing point are 35 DEG C, lauric acid/dodecanoic acid, and fusing point is
It is one or more in 44.2 DEG C.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for ability
For field technique personnel, various modifications and changes may be made to the present invention.It is all in the spirit of the present invention and principle, done
Any modification, equivalent substitution, improvement and etc., should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of composite solar battery backboard, including backboard membrane (10) further include being fixed on backboard membrane (10) far from the sun
The heat dissipating layer (20) of energy solar panel side, which is characterized in that heat dissipating layer (20) includes a hollow box body, and babinet facade is provided with logical
Thermal column (40) is fixed in air port in babinet, and thermal column (40) is hollow taper, and tank floor, thermal column are close in cone bottom
(40) bottom is provided with venthole (42), and venthole (42) is no less than four, and is uniformly distributed, and thermal column (40) top end opening refers to
To backboard membrane (10), spiral flow deflector (41) is fixed on the inner wall of the thermal column (40).
2. composite solar battery backboard according to claim 1, which is characterized in that further include heat conductive pad (21), lead
Heat pad (21) is fixed on backboard membrane (10) far from solar panel side, is filled between heat conductive pad (21) and backboard membrane (10)
Solid-liquid phase change material, phase transition temperature is within the scope of 20 to 80 degree.
3. composite solar battery backboard according to claim 2, which is characterized in that the heat conductive pad (21) passes through more
The hot pressing item of a square crossing is fixed on backboard membrane (10) again, and it is identical rectangular that heat conductive pad (21) is separated into size by hot pressing item
Shape fills solid-liquid phase change material between each rectangle and backboard membrane (10).
4. composite solar battery backboard according to claim 3, which is characterized in that set at the rectangular center
Circular through hole is set, through hole seals fixation hollow metal ball (30), and metal ball (30) thickness of shell is not more than three millimeters.
5. composite solar battery backboard according to claim 4, which is characterized in that further include central aeration pipe
(50), central aeration pipe (50) one end is stretched into metal ball (30), and the other end stretches into thermal column (40), thermal column (40) top
Opening is fixedly connected with metal ball (30) bottom outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820003925.5U CN207947293U (en) | 2018-01-03 | 2018-01-03 | Composite solar battery backboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820003925.5U CN207947293U (en) | 2018-01-03 | 2018-01-03 | Composite solar battery backboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207947293U true CN207947293U (en) | 2018-10-09 |
Family
ID=63701212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820003925.5U Expired - Fee Related CN207947293U (en) | 2018-01-03 | 2018-01-03 | Composite solar battery backboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207947293U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112039431A (en) * | 2020-09-03 | 2020-12-04 | 国网山西省电力公司电力科学研究院 | Solar cell backboard cooling device |
-
2018
- 2018-01-03 CN CN201820003925.5U patent/CN207947293U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112039431A (en) * | 2020-09-03 | 2020-12-04 | 国网山西省电力公司电力科学研究院 | Solar cell backboard cooling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181009 Termination date: 20200103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |