CN207690808U - Solar cell module - Google Patents
Solar cell module Download PDFInfo
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- CN207690808U CN207690808U CN201721659557.1U CN201721659557U CN207690808U CN 207690808 U CN207690808 U CN 207690808U CN 201721659557 U CN201721659557 U CN 201721659557U CN 207690808 U CN207690808 U CN 207690808U
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- cell module
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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 utility model discloses a kind of solar cell modules, solar cell module includes solar panel layer and backsheet layer, solar panel layer is equipped with cell piece, and solar panel layer is attached at the surface of backsheet layer, limits and is integrally formed with the backsheet layer and suitable for the tortuous flow path of refrigerant flowing in backsheet layer.Solar cell module according to the present utility model, it is suitable for the tortuous flow path of refrigerant flowing by being arranged in backsheet layer, and make the extension of tortuous flow path reversely corresponding with the arragement direction of cell piece, in this way, it can effectively radiate to the cell piece of solar panel layer, so that solar cell module is within the scope of appropriate working temperature, to improve transfer efficiency, simultaneously, compared in the related technology by the way of additionally increasing cooling device at the back side of component, the structure of solar cell module can effectively be simplified, it is installed convenient for manufacture, avoid solar cell module that aging occurs since temperature is excessively high, influence generating capacity.
Description
Technical field
The utility model is related to technical field of solar batteries, more particularly, to a kind of solar cell module.
Background technology
Solar panel be by absorb sunlight, solar radiant energy is straight by photoelectric effect or photochemical effect
Connect or indirect conversion at electric energy device, for common batteries and recyclable rechargeable battery, solar panel category
In the green product of more energy efficient environmental protection.
Solar panel therefore needs solar-electricity in the maximum transfer efficiency of local competence exertion of solar radiation abundance
Pond plate face however, the temperature of solar panel can be caused higher in this way, and then leads to the sun to the strongest direction of solar radiation
The open-circuit voltage of energy battery declines, and the transfer efficiency of solar panel reduces, for example, work temperature when solar cell working
Degree requires to be usually 40 DEG C -70 DEG C, when the temperature of solar panel is higher than operating temperature range, temperature can be caused often to increase
1 DEG C, open-circuit voltage values decline 2~3mV, the work efficiency drop 0.5% of solar cell.
Moreover, the raising of temperature also can bring negative shadow to the service life of solar cell module and its encapsulating material
It rings.For example, when battery temperature is up to 200 DEG C, solar cell can only work 30 minutes, and high temperature can also improve the expansion of adhesive film oxygen
Speed and active oxidation reaction are dissipated, cause adhesive film crosses oxygen aging, shortens service life component.
In addition, part solar cell module additionally increases cooling device mode using at the back side of component in the related technology
Cool down to solar panel, this mode causes assembly quality to increase, manufacturing cost increases and installation is inconvenient.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model carries
Go out a kind of solar cell module, the structure of the solar cell module is simple, high conversion efficiency and easily manufactured.
According to the solar cell module of the utility model embodiment, including solar panel layer, the solar panel layer is equipped with electricity
Pond piece；Backsheet layer, the solar panel layer are attached at the surface of the backsheet layer, and the backsheet layer limits and the backsheet layer one
Tortuous flow path that is body formed and being flowed suitable for refrigerant.
Solar cell module according to the present utility model is suitable for the tortuous stream of refrigerant flowing by being arranged in backsheet layer
Road, and tortuous flow path is integrally formed with backsheet layer, in this way, can effectively be dissipated to the cell piece of solar panel layer
Heat so that solar cell module is within the scope of appropriate working temperature, to improve transfer efficiency, meanwhile, compared to correlation
In technology by the way of additionally increasing cooling device at the back side of component, it can effectively simplify the knot of solar cell module
Structure is installed convenient for manufacture, avoids solar cell module that aging occurs since temperature is excessively high, influences generating capacity.
The cross section of some embodiments according to the present utility model, the tortuous flow path is formed as trapezoidal, the tortuous stream
The cross section in road has one group of opposite side being mutually parallel, wherein longer a line is towards the solar panel layer in the opposite side.
It utilizes longer side towards solar panel layer as a result, the heat exchange area of refrigerant and solar panel layer in runner can be increased, to both may be used
To improve heat exchange, cooling-down effect, and refrigerant can be made full use of, save refrigerant dosage.
The cross section of some embodiments according to the present utility model, the tortuous flow path is formed as triangle, the complications
One side of the cross section of runner is towards the solar panel layer.
Some embodiments according to the present utility model, the serpentine-like extension of tortuous flow path.
Some embodiments according to the present utility model, the backsheet layer are toughened glass layer, and the tortuous flow path is formed in
Inside the toughened glass layer or surface far from the solar panel layer of the tortuous flow path protrudes from its of the backsheet layer
Remaining surface, and the tortuous flow path is integrally formed with the toughened glass layer.
Some embodiments according to the present utility model, the solar panel layer be crystal silicon battery plate layer, thin film panels layer or
Layer-built battery plate layer.
Some embodiments according to the present utility model, the solar cell module further include upper cover plate layer, the first glued membrane
Layer and the second adhesive film are connected between the upper cover plate layer and the solar panel layer by first adhesive film, the battery
It is connected by second adhesive film between plate layer and the backsheet layer.
Some embodiments according to the present utility model, the tortuous flow path have the import and be suitable for cold for being suitable for that refrigerant flows into
The outlet of matchmaker's outflow, the import are located at the relatively parallel both sides of the backsheet layer with the outlet.
Some embodiments according to the present utility model, the solar cell module further include temperature-detecting device and use
In the controller for controlling the import and the outlet opening, closing, when the temperature-detecting device detects the exit
Refrigerant temperature when being more than preset value, the controller opens the import and the outlet；When the temperature-detecting device is examined
When measuring the refrigerant temperature in the exit no more than preset value, the controller closes the import and the outlet.
Some embodiments according to the present utility model, the solar cell module further includes captation, described to catchment
Device is connected with the outlet.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly will be from following description
In become apparent, or recognized by the practice of the utility model.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination following accompanying drawings to embodiment
Become apparent and is readily appreciated that, wherein：
Fig. 1 is the schematic diagram of solar cell module according to the ... of the embodiment of the present invention；
Fig. 2 is portion's dress figure of the backsheet layer of solar cell module according to the ... of the embodiment of the present invention；
Fig. 3 is the schematic diagram of the backsheet layer of solar cell module according to the ... of the embodiment of the present invention.
Reference numeral：
100：Solar cell module；
10：Upper cover plate layer；20：First adhesive film；30：Solar panel layer；40：Second adhesive film；
50：Backsheet layer；51：Tortuous flow path；511：Import；512：Outlet；
60：Temperature-detecting device；70：Captation；81：Inlet switch；82：Gate out switch.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on ... shown in the drawings
Or position relationship, be merely for convenience of describing the present invention and simplifying the description, do not indicate or imply the indicated device or
Element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as the limit to the utility model
System.In addition, defining " first ", the feature of " second " can explicitly or implicitly include one or more this feature.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
Below with reference to the accompanying drawings solar cell module 100 according to the utility model embodiment is described.
As Figure 1-Figure 2, according to the solar cell module 100 of the utility model one embodiment, including solar panel
Layer 30 and backsheet layer 50.
It is provided with cell piece on solar panel layer 30, for example, 6*10 totally 60 rows may be used in the cell piece of solar panel layer 30
Row mode or 6*12 totally 72 arrangement modes, can also be other arrangement modes, those skilled in the art can be according to design
Demand is adjusted to meet the solar energy conversion efficiency demand of solar cell module 100.
Meanwhile solar panel layer 30 is sticked in the outer surface of backsheet layer 50, backsheet layer 50 and limits tortuous flow path 51, it is tortuous
Runner 51 is hollow structure, may be adapted to refrigerant circulation, hollow structure is integrally formed with backsheet layer 50, for example, integrally formed
Tortuous flow path 51 can be prepared by the common process such as being molded, being blow molded.
In this way, in the related technology, use the back side of solar cell module additionally increase the mode of cooling device with
Enhance heat transfer effect, improve conversion effect and compare, can not only ensure the heat dissipation effect of solar cell module 100, but also can letter
Change the overall structure of component, save space, reduces manufacturing cost.
Solar cell module 100 according to the present utility model as a result, is suitable for refrigerant stream by being arranged in backsheet layer 50
Dynamic tortuous flow path 51, and tortuous flow path 51 is integrally formed with backsheet layer 50, in this way, can be effectively to solar panel layer
30 cell piece radiates so that solar cell module 100 is within the scope of appropriate working temperature, to improve conversion effect
Rate, meanwhile, it can effectively simplify the structure of solar cell module 100, convenient for manufacture installation, avoid solar cell module
100 occur aging since temperature is excessively high, influence generating capacity.
Preferably, the arragement direction of extending direction of the tortuous flow path 51 in backsheet layer 50 and the cell piece of solar panel layer 30
It is corresponding.
That is, the battery being sticked on tendency direction of the tortuous flow path 51 in backsheet layer 50 and 50 outer surface of backsheet layer
The arrangement mode of the cell piece of plate layer 30 is consistent, for example, the cell piece when solar panel layer 30 arranges totally 60 arrangements using 6 row * 10
When mode, the tortuous flow path 51 in backsheet layer 50 can first extend (front-rear direction as shown in Figure 2, i.e. battery in the width direction
The line direction of piece arrangement) and then (the row side of left and right directions as shown in Figure 2, i.e. cell piece arrangement of bending extension along its length
To) ... it is repeated in, to form tortuous flow path 51 corresponding with the cell piece orientation of solar panel layer 30, thus both
It can further ensure that the refrigerant in tortuous flow path 51 is contacted with the cell piece of solar panel layer 30 to exchange heat, ensure cooling effect
Fruit further increases heat exchange efficiency it is also possible to make full use of tortuous flow path 51.
As shown in figure 3, in some embodiments of the utility model, the cross section of tortuous flow path 51 is formed as trapezoidal, ladder
Shape has the one group of opposite side (such as top margin and bottom edge) being mutually parallel, wherein the length on bottom edge is more than the length of top margin, trapezoidal cross
The bottom in section is arranged towards the side of solar panel layer 30, in this way, using wider bottom edge towards solar panel layer 30, Ke Yizeng
The heat exchange area of refrigerant and solar panel layer 30, to can not only improve heat exchange, cooling-down effect, but also can make full use of in big runner
Refrigerant saves refrigerant dosage.
In other embodiments of the utility model, the cross section of tortuous flow path 51 is formed as triangle, and triangle is horizontal
The wherein a line in section towards the side of solar panel layer 30, for example, when the cross section of tortuous flow path 51 be equilateral triangle when, just
Triangle any bar side is arranged towards the side of solar panel layer 30, when the cross section of tortuous flow path 51 is scalene triangle,
Longer a line is arranged towards the side of solar panel layer 30 in three sides of a triangle, in this manner it is ensured that tortuous flow path 51
In refrigerant and solar panel layer 30 heat exchange area, to improve cooling-down effect, it is also possible to reduce the usage amount of refrigerant,
It is cost-effective.
In some optional examples of the utility model, refrigerant can be water, to further save use cost, just
In maintenance, replace.
In some embodiments of the utility model, as shown in Figures 2 and 3,51 serpentine-like bending of tortuous flow path extends, by
This, can make the extending direction of tortuous flow path 51 corresponding with the arrangement of the cell piece of solar panel layer 30, to ensure to drop
While temp effect, simplifies tortuous flow path 51 and be molded.
In some embodiments of the utility model, backsheet layer 50 is toughened glass layer, and tortuous flow path 51 is formed in tempering
Inside the glassy layer or surface of the separate solar panel layer 30 of tortuous flow path 51 protrudes from the remaining surface of backsheet layer 50, and tortuous
Runner 51 is integrally formed with toughened glass layer, that is to say, that in some instances, such as Fig. 2, tortuous flow path 51 is toughened glass layer
Interior integrated glass channel, in this way, can both ensure the intensity of backsheet layer 50, to realize that the protection to solar panel layer 30 is made
With it is also possible to convenient for manufacture, in other examples, such as Fig. 3, the surface of the separate solar panel layer 30 of tortuous flow path 51
The remaining surface of backsheet layer 50 is protruded from, in this way, 50 thickness of backsheet layer can also be reduced further, improves heat transfer effect, drop
Low manufacturing cost.
In some embodiments of the utility model, solar panel layer 30 includes crystal silicon battery plate layer 30, thin film panels layer
30 or laminated cell plate layer 30, wherein crystal silicon battery plate layer 30 includes polycrystal silicon cell plate layer 30, and single crystal silicon battery plate layer 30 is thin
Film battery plate includes CIGS, the solar panel layer 30 that CdTe, GaAs or non-crystalline silicon etc. are formed in the form of a film.Laminated cell plate packet
Include HIT, HJT, the HDT either binode of other forms or multijunction cell plate layer 30.
Such as Fig. 1, in some embodiments of the utility model, solar cell module 100 further includes upper cover plate layer 10,
One adhesive film 20 and the second adhesive film 40, the upper surface that upper cover plate layer 10 is sticked by the first adhesive film 20 with solar panel layer 30,
Upper cover plate layer 10 can be tempered glass, for example, upper cover plate layer 10 is high saturating ultra-clear glasses, transmitance is more than 92%, to
Not only the influence of solar energy can be absorbed for solar panel layer 30, but also solar panel layer 30 can be protected, solar panel layer 30
Lower surface is attached at the outer surface of backsheet layer 50 by the second adhesive film 40, to be carried out to solar panel layer 30 by backsheet layer 50
Cooling, heat dissipation, to ensure the transfer efficiency of solar panel layer 30.
In some optional examples of this practicability, the first adhesive film 20 and the second adhesive film 40 can be ethylene-acetic acid
Ethylene copolymer (EVA) be main material, add auxiliary agent after hot extrusion glued membrane after molding, can also include PVB, PO or from
Sub- polymer material layer.
Wherein, the first adhesive film 20 and the second adhesive film 40 are that common glued membrane is inviscid at room temperature, can arbitrarily be cut
Cutting operation, when encapsulation, by upper cover plate layer 10, the first adhesive film 20, solar panel layer 30, the second adhesive film 40 and backsheet layer 50 according to
Secondary stacking is then placed in laminating machine and carries out heating pressurization, and vacuumizes, and finally, is put into constant temperature in the curing oven of set temperature
Predetermined time, to ensure 100 encapsulated moulding of solar cell module, in this way, the material property using glued membrane both can be in order to
The encapsulated moulding of solar cell module 100, while it is also ensured that solar panel layer 30 and upper cover plate layer 10 and backsheet layer 50
Between connection reliability.
Such as Fig. 2, in some embodiments of this practicability, tortuous flow path 51, which has, is suitable for 511 He of import that refrigerant flows into
Suitable for refrigerant outflow outlet 512, for example, tortuous flow path 51 can by import 511 connect extend channel with refrigerant
Source connects, and extends channel by being connected in outlet 512 to be connect with captation 70 (example as shown in Figure 2).Show at some
In example, import 511 is located at the relatively parallel both sides of backsheet layer 50 (as shown in Figure 2) with outlet 512, in other examples
In, import 511 can also be located at the same side (as shown in Figure 3) of backsheet layer 50 with outlet 512, and those skilled in the art can
To be selected according to actual installation to save space.
As shown in Fig. 2, in some examples of the utility model, solar cell module 100 further includes temperature detection dress
It sets 60 and controls import 511, the controllers that outlet 512 is opened, closed, temperature-detecting device 60 can be temperature sensing
Device, controller may include inlet switch 81 and gate out switch 82.
When temperature-detecting device 60 detect outlet 512 at refrigerant temperature be more than preset value when, import can be controlled and opened
It closes 81, gate out switch 82 to open, so as to refrigerant flowing to carry out cooling to solar cell module 100, cool down, when temperature is examined
When survey device 60 detects that the temperature at outlet 512 is not more than preset value, that is to say, that the temperature of refrigerant is in operating temperature range
It is interior, inlet switch 81 and gate out switch 82 are closed, to save refrigerant to greatest extent.
As shown in Fig. 2, in some examples of the utility model, solar cell module 100 further includes captation 70,
Captation 70 is connected to the outlet 512 of tortuous flow path 51, for example, when refrigerant is domestic water, is changed in tortuous flow path 51
After heat, captation 70 is entered by pipeline from the water of 512 outflow of outlet, wherein captation 70 can be water heater, this
Sample, after the water after being heated by solar cell module 100 enters water heater, then by water heater reheating so that user makes
With can effectively save the energy consumption of water heater, improve energy utilization rate.
It is general for this field according to other compositions of the solar cell module 100 of the utility model embodiment and operation
All it is known for logical technical staff, is not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art
The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or
Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that：
Can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and objective, modification, replaced
And modification, the scope of the utility model are limited by claim and its equivalent.
Claims (10)
1. a kind of solar cell module, which is characterized in that including：
Solar panel layer, the solar panel layer are equipped with cell piece；
Backsheet layer, the solar panel layer are attached at the surface of the backsheet layer, and the backsheet layer limits and the backsheet layer one
Tortuous flow path that is body formed and being flowed suitable for refrigerant.
2. solar cell module according to claim 1, which is characterized in that the cross section of the tortuous flow path is formed as
Trapezoidal, the cross section of the tortuous flow path has one group of opposite side being mutually parallel, wherein longer a line court in the opposite side
To the solar panel layer.
3. solar cell module according to claim 1, which is characterized in that the cross section of the tortuous flow path is formed as
Triangle, one side of the cross section of the tortuous flow path is towards the solar panel layer.
4. solar cell module according to claim 1, which is characterized in that the serpentine-like extension of tortuous flow path.
5. solar cell module according to claim 1, which is characterized in that the backsheet layer is toughened glass layer, institute
State the surface protrusion far from the solar panel layer that tortuous flow path is formed in the toughened glass layer inside or the tortuous flow path
In the remaining surface of the backsheet layer, and the tortuous flow path is integrally formed with the toughened glass layer.
6. solar cell module according to claim 1, which is characterized in that the solar panel layer is crystal silicon battery plate
Layer, thin film panels layer or layer-built battery plate layer.
7. according to the solar cell module described in any one of claim 1-6, which is characterized in that further include upper cover plate layer,
First adhesive film and the second adhesive film are connected between the upper cover plate layer and the solar panel layer by first adhesive film,
It is connected by second adhesive film between the solar panel layer and the backsheet layer.
8. solar cell module according to claim 7, which is characterized in that the tortuous flow path, which has, is suitable for refrigerant stream
The import entered and the outlet flowed out suitable for refrigerant, the import are located at the relatively parallel of the backsheet layer with the outlet
Both sides.
9. solar cell module according to claim 8, which is characterized in that further include temperature-detecting device and be used for
The controller that the import and the outlet are opened, closed is controlled,
When the temperature-detecting device detects that the refrigerant temperature in the exit is more than preset value, the controller opens institute
State import and the outlet；
When the temperature-detecting device detects that the refrigerant temperature in the exit is not more than preset value, the controller is closed
The import and the outlet.
10. solar cell module according to claim 8, which is characterized in that further include captation, the dress that catchments
It sets and is connected with the outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721659557.1U CN207690808U (en) | 2017-12-01 | 2017-12-01 | Solar cell module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721659557.1U CN207690808U (en) | 2017-12-01 | 2017-12-01 | Solar cell module |
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| Publication Number | Publication Date |
|---|---|
| CN207690808U true CN207690808U (en) | 2018-08-03 |
Family
ID=63000033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201721659557.1U Active CN207690808U (en) | 2017-12-01 | 2017-12-01 | Solar cell module |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110400853A (en) * | 2019-07-29 | 2019-11-01 | 上迈(镇江)新能源科技有限公司 | Photovoltaic module lightweight backboard and its photovoltaic module and preparation method of application |
| CN111735330A (en) * | 2020-06-30 | 2020-10-02 | 晶科绿能(上海)管理有限公司 | Heat abstractor and battery pack manufacture equipment |
| CN114725231A (en) * | 2022-05-18 | 2022-07-08 | 一道新能源科技(衢州)有限公司 | Solar cell and film pasting process of solar cell |
-
2017
- 2017-12-01 CN CN201721659557.1U patent/CN207690808U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110400853A (en) * | 2019-07-29 | 2019-11-01 | 上迈(镇江)新能源科技有限公司 | Photovoltaic module lightweight backboard and its photovoltaic module and preparation method of application |
| CN111735330A (en) * | 2020-06-30 | 2020-10-02 | 晶科绿能(上海)管理有限公司 | Heat abstractor and battery pack manufacture equipment |
| CN111735330B (en) * | 2020-06-30 | 2022-05-17 | 晶科绿能(上海)管理有限公司 | Heat abstractor and battery pack manufacture equipment |
| CN114725231A (en) * | 2022-05-18 | 2022-07-08 | 一道新能源科技(衢州)有限公司 | Solar cell and film pasting process of solar cell |
| CN114725231B (en) * | 2022-05-18 | 2023-04-07 | 一道新能源科技(衢州)有限公司 | Solar cell and film pasting process of solar cell |
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