CN207338405U - Temperature control type solar cell backboard - Google Patents
Temperature control type solar cell backboard Download PDFInfo
- Publication number
- CN207338405U CN207338405U CN201721521090.4U CN201721521090U CN207338405U CN 207338405 U CN207338405 U CN 207338405U CN 201721521090 U CN201721521090 U CN 201721521090U CN 207338405 U CN207338405 U CN 207338405U
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- China
- Prior art keywords
- temperature control
- control layer
- phase
- solar cell
- heat
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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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- Photovoltaic Devices (AREA)
Abstract
A kind of temperature control type solar cell backboard, including temperature control layer, temperature control layer is fixedly connected with Solar panel backside, it is characterized in that, the temperature control layer is a hollow box, and box body top surface fixes multiple inverted cone-shaped accommodating cavities, the first phase-change material is loaded in accommodating cavity, the second phase-change material is loaded in space in box body outside accommodating cavity, the fusing point of first phase-change material is less than the fusing point of the second phase-change material.The temperature control layer box bottom sets multiple equally distributed raised or pits, further includes a troposphere, and troposphere is fixed on temperature control layer bottom surface, and troposphere top end opening, opening is fixedly connected with temperature control layer, and has and be provided with convection holes on a pair of symmetrical side.Equally distributed heat sink is fixed on the tropospheric bottom surface, and heat sink top is tilted to side convection holes.The backboard can play the effect of quick corresponding solar panel temperature change, improve generating efficiency.
Description
Technical field
The utility model belongs to photovoltaic battery panel domain of control temperature, more particularly to a kind of solar cell backboard.
Background technology
In recent years, it is increasingly tight with the reduction of fossil energy reserves and by the problem of environmental pollution that fossil energy triggers
Weight, is cleaned and the regenerative resource of sustainable use obtains large-scale development, and in regenerative resource, solar energy power generating exists
To also increasing proportion be occupied in energy resource structure.The problem of industry is most paid close attention to for 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, excessive 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 produce other influences, and then shorten the service life of whole solar panel, because
This, the effective control of temperature progress to conventional solar panel and concentration photovoltaic solar energy solar panel 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.It has prominent electrical insulating property and water resistance, and dimensional stability is also more excellent.
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 low, take night antifreezing measures to be extremely necessary conventional photovoltaic solar panel.And for the condensation photovoltaic of generating efficiency higher
Solar panel, with the increase of light concentrating times, the temperature of solar panel can be than conventional batteries plate higher during 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 stream cooling, free convection cooling.
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 is welded on solar panel bottom plate with phase-change material welding box body, inner side pin rib, phase-change material, heat
Diode material is respectively by setting in heat accumulating injection hole and thermal diode material injection hole implantation temperature regulation device.Its
In actual use there are following drawback, for single phase-change material when absorbing and releasing heat, heat transfer rate fixation is for temperature
It can not meet use demand when changing very fast.
The content of the invention
The purpose of this utility model is to provide one kind to carry out temperature controlled solar cell to solar cell
Backboard.
To achieve these goals, the utility model includes, temperature control layer, and temperature control layer is fixed with Solar panel backside to be connected
Connect, the temperature control layer is a hollow box, and box body top surface fixes multiple inverted cone-shaped accommodating cavities, the first phase transformation is loaded in accommodating cavity
Material, loads the second phase-change material in the space in box body outside accommodating cavity, the fusing point of first phase-change material is less than second
The fusing point of phase-change material.
Further, the temperature control layer box bottom sets multiple equally distributed raised or pits, further include one it is right
Fluid layer, troposphere are fixed on temperature control layer bottom surface, and troposphere top end opening, opening is fixedly connected with temperature control layer, and has a pair
Convection holes are provided with symmetrical side.
Further, equally distributed heat sink is fixed on the tropospheric bottom surface, and heat sink top is to side pair
Discharge orifice tilts.
Further, a heat conductive rod extended along axis is fixed in the accommodating cavity, heat conductive rod one end contradicts accommodating cavity
Top surface, the other end stretch out accommodating cavity contradict temperature control layer bottom surface.
Further, spiral shape thermally conductive sheet is fixed in the outer surface of the heat conductive rod, and spiral shape thermally conductive sheet is from the top of heat conductive rod
End extends to its bottom.
Further, convection current wind groove is fixed on the side elevation of the temperature control layer, convection current wind groove both ends open, and towards temperature control
The side of layer is also open, and encircles a city a hollow air passage with temperature control layer, fixes multiple second heat sinks on temperature control layer side elevation, and the
The size of two heat sinks differs.
Further, heat-conducting layer is fixed between the temperature control layer and solar panel, heat-conducting layer is heat conductive silica gel.
The beneficial effects of the utility model are, utilize the back side of low-melting first phase-change material and solar panel
Contact, quickly can absorb or discharge heat, can reach the effect of quick corresponding solar cell temperature change.In addition, by
It is stored in the first phase-change material in back taper accommodating cavity, when temperature change occurs in it, the contact between the second phase-change material
Face bigger, heat-transfer rate faster, can play the purpose of temperature control continuously and healthily.Protrusion or the pit cooperation pair of temperature control layer bottom surface
Fluid layer can play the purpose with external environment fast exchange heat.
Brief description of the drawings
Fig. 1 is utility model diagram.
Fig. 2 is convection current wind groove schematic diagram.
Embodiment
The utility model is described in detail below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of temperature control type solar cell backboard, including temperature control layer 20, temperature control layer 20 and solar cell
10 back side of plate is fixedly connected, it is characterised in that the temperature control layer 20 is a hollow box, and box body top surface fixes multiple inverted cone-shapeds
Accommodating cavity 21, the first phase-change material of interior filling of accommodating cavity 21, box body load the second phase transformation material in the interior space outside accommodating cavity 21
Material, the fusing point of first phase-change material are less than the fusing point of the second phase-change material.Selected phase-changing energy storage material and can be following three
Selected in kind material：(1) Na2CO310H2O, 32 DEG C of phase transition temperature, latent heat of phase change 267kJ/kg；(2) LiNO33H2O, phase
29 DEG C of temperature, latent heat of phase change 298kJ/kg；(3) laruyl alcohol, 26 DEG C of phase transition temperature, latent heat of phase change 200kJ/kg.Utilize fusing point
The first low phase-change material and the rear-face contact of solar panel, quickly can absorb or discharge heat, can reach quick
The effect of corresponding solar cell temperature change.Since the first phase-change material is stored in back taper accommodating cavity, temperature occurs in it
During change, the contact surface bigger between the second phase-change material, heat-transfer rate faster, can play the mesh of temperature control continuously and healthily
's.
Preferred embodiment, 20 box bottom of temperature control layer set multiple equally distributed raised or pits, also wrap
A troposphere 40 is included, troposphere 40 is fixed on 20 bottom surface of temperature control layer, 40 top end opening of troposphere, opening and temperature control layer 20
It is fixedly connected, and has and be provided with convection holes on a pair of symmetrical side.
Preferred embodiment, fixes equally distributed heat sink 41, and heat sink 41 on the bottom surface of the troposphere 40
Top is tilted to side convection holes.It is to increase heat dissipation area so to set, and improves air passage rates, reduces vortex or temperature
Stream, improves radiating efficiency.
Preferred embodiment, a heat conductive rod 22 extended along axis, heat conductive rod 22 1 are fixed in the accommodating cavity 21
End contradicts the top surface of accommodating cavity 21, and the other end stretches out the bottom surface that accommodating cavity 21 contradicts temperature control layer 20.Heat conductive rod 22 can play soon
The effect of fast heat conduction.
Spiral shape thermally conductive sheet 23, spiral shape thermally conductive sheet 23 are fixed in preferred embodiment, the outer surface of the heat conductive rod 22
Its bottom is extended to from the top of heat conductive rod 22.Spiral shape thermally conductive sheet 23 can play the role of increasing heat-conducting area, raising
Heat transfer efficiency.
Preferred embodiment, fixes convection current wind groove 50 on the side elevation of the temperature control layer 20,50 both ends of convection current wind groove are opened
Mouthful, and also it is open towards the side of temperature control layer 20, encircles a city a hollow air passage with temperature control layer 20, it is fixed on 20 side elevation of temperature control layer
Multiple second heat sinks 51, and the size of the second heat sink 51 differs.Convection current wind groove 50 can play outside temperature control layer draws
The effect of wind-guiding stream, improves external cooling effect.
Preferred embodiment, heat-conducting layer 30, heat-conducting layer 30 are fixed between the temperature control layer 20 and solar panel 10
For heat conductive silica gel.The effect of heat conductive silica gel above all relaxes volume change difference between solar panel and temperature control layer and makes
Into stress, prevent the rupture of solar panel or temperature control layer.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the present invention, for ability
For field technique personnel, various modifications and changes may be made to the present invention.It is all the utility model spirit and principle in, done
Any modification, equivalent substitution, improvement and etc., should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of temperature control type solar cell backboard, including temperature control layer（20）, temperature control layer（20）With solar panel（10）The back of the body
Face is fixedly connected, it is characterised in that the temperature control layer（20）For a hollow box, box body top surface is fixed multiple inverted cone-shapeds and is housed
Chamber（21）, accommodating cavity（21）The first phase-change material of interior filling, box body are interior in accommodating cavity（21）The second phase transformation is loaded in outer space
Material, the fusing point of first phase-change material are less than the fusing point of the second phase-change material.
2. temperature control type solar cell backboard according to claim 1, it is characterised in that the temperature control layer（20）Box body bottom
Face sets multiple equally distributed raised or pits, further includes a troposphere（40）, troposphere（40）It is fixed on temperature control layer
（20）On bottom surface, troposphere（40）Top end opening, opening and temperature control layer（20）It is fixedly connected, and has on a pair of symmetrical side
It is provided with convection holes.
3. temperature control type solar cell backboard according to claim 2, it is characterised in that the troposphere（40）Bottom surface
The upper equally distributed heat sink of fixation（41）, and heat sink（41）Top is tilted to side convection holes.
4. temperature control type solar cell backboard according to claim 1, it is characterised in that the accommodating cavity（21）Interior fixation
One heat conductive rod extended along axis（22）, heat conductive rod（22）One end contradicts accommodating cavity（21）Top surface, the other end stretches out accommodating
Chamber（21）Contradict temperature control layer（20）Bottom surface.
5. temperature control type solar cell backboard according to claim 4, it is characterised in that the heat conductive rod（22）Appearance
Spiral shape thermally conductive sheet is fixed in face（23）, spiral shape thermally conductive sheet（23）From heat conductive rod（22）Top extend to its bottom.
6. temperature control type solar cell backboard according to claim 1, it is characterised in that the temperature control layer（20）It is edge-on
Convection current wind groove is fixed on face（50）, convection current wind groove（50）Both ends open, and towards temperature control layer（20）Side be also open, with temperature control
Layer（20）The one hollow air passage in besieged city, temperature control layer（20）Multiple second heat sinks are fixed on side elevation（51）, and the second heat sink
（51）Size differ.
7. temperature control type solar cell backboard according to any one of claims 1 to 5, it is characterised in that the temperature control layer
（20）With solar panel（10）Between fix heat-conducting layer（30）, heat-conducting layer（30）For heat conductive silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721521090.4U CN207338405U (en) | 2017-11-15 | 2017-11-15 | Temperature control type solar cell backboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721521090.4U CN207338405U (en) | 2017-11-15 | 2017-11-15 | Temperature control type solar cell backboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207338405U true CN207338405U (en) | 2018-05-08 |
Family
ID=62427871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721521090.4U Expired - Fee Related CN207338405U (en) | 2017-11-15 | 2017-11-15 | Temperature control type solar cell backboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207338405U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545888A (en) * | 2018-11-07 | 2019-03-29 | 南昌航空大学 | A method of improving polysilicon solar cell photoelectric conversion efficiency |
-
2017
- 2017-11-15 CN CN201721521090.4U patent/CN207338405U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545888A (en) * | 2018-11-07 | 2019-03-29 | 南昌航空大学 | A method of improving polysilicon solar cell photoelectric conversion efficiency |
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| 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: 20180508 Termination date: 20181115 |
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| CF01 | Termination of patent right due to non-payment of annual fee |