CN206976355U - A kind of solar cell panel assembly - Google Patents
A kind of solar cell panel assembly Download PDFInfo
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- CN206976355U CN206976355U CN201720761156.0U CN201720761156U CN206976355U CN 206976355 U CN206976355 U CN 206976355U CN 201720761156 U CN201720761156 U CN 201720761156U CN 206976355 U CN206976355 U CN 206976355U
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- solar cell
- plate condenser
- panel assembly
- positive
- cell piece
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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
Abstract
A kind of solar cell panel assembly is the utility model is related to, belongs to solar cell equipment technology field.Include the glassy layer for stacking gradually arrangement, cell piece, plate condenser, the both positive and negative polarity of cell piece is connected with the both positive and negative polarity of plate condenser respectively, and the positive pole of plate condenser is towards cell piece.The utility model passes through on the basis of original solar components technique is not changed substantially, increase by one of technique, the dielectric material metallized film of capacitor is clamped among solar components, form big flat sheet membranes capacitor, so as to realize that solar components are integrated with capacitor, energy is stored and supplies using the charging/discharging function of capacitor.The thickness for the metallized film that capacitor dielectric material uses is small, and the area of solar components is big, so as in the case where increasing solar components thickness very little, it is possible to achieve big reserve of electricity；And whole manufacturing process is simple, increased weight is small, and cost is low, service life length etc..
Description
Technical field
A kind of solar cell panel assembly is the utility model is related to, belongs to solar cell equipment technology field.
Background technology
Solar cell module is by high efficiency crystalline silicon solar cell, ultrawhite woven design safety glass, EVA, transparent TPT
Backboard and aluminum alloy frame composition.The energy converter of solar energy power generating is solar cell, also known as photovoltaic cell.Too
The principle of positive energy cell power generation is photovoltaic effect.When sunshine irradiates on the solar cell, battery absorbs luminous energy, production
The third contact of a total solar or lunar eclipse gives birth to electron-hole pair.Under the effect of battery built in field, light induced electron and hole are separated, and contrary sign occur in battery both ends
The accumulation of electric charge, that is, " photovoltage " is produced, here it is " photovoltaic effect ".If built in field both sides extraction electrode simultaneously
Load is connected, then loading just has " photogenerated current " to flow through, so as to obtain power output.So, the luminous energy of the sun is just directly changed
The electric energy that can use.
The general cell panel of conventional solar cell component can all be installed to prevent " hot spot effect " in terminal box
Back biased diode is bypassed, the effect of the diode is：When shadow occlusion occurs for cell piece, the electrical effect of the string cell piece by
" power supply characteristic " becomes for " resistance characteristic ", and at this moment diode startup, " the shade battery strings " are isolated from whole system, rises
Electic protection effect is arrived.If being fitted without the diode, the cell piece meeting fast heating blocked may burn out battery
Piece, EVA, melt interconnection belt scolding tin and cause the irrecoverable damage of monoblock cell panel.This cell panel bypass protection technology lacks
Point is that bypass diode insulation blocking is worked, other in the array strings if " hot spot effect " occurs for Individual cells plate
Cell panel can because this block cell panel and by " involving ", make whole array strings that mismatch occur with other strings, and greatly reduce light
The generating efficiency of overhead utility.In order to improve the overall generating efficiency of photovoltaic array, begin to use intelligent photovoltaic component.Then pacify
Having filled the photovoltaic module of intelligent wiring box needs additional power supply, therefore, result in its installation and the inconvenience used, it is necessary to be connected to
Power network can just use；It is powered even with the generation electric energy of solar cell, when solar energy electroplax be in night or
During rainy days, the problem of still resulting in the electricity shortage of intelligent wiring box.
At the same time, higher electrical potential difference between the circuit in photovoltaic module and its grounded metal frame be present so as to cause
Photovoltaic module is up to 70% power output decay, in the industry referred to as potential induction attenuation（PID）.Up to the present in industry
Comparing the PID decay mechanism of accreditation is：Due to higher bias voltage be present between component electrode and frame, cause it suitable
Under conditions of, glass surface can form one layer of conductive cation film, and the conductive ionic membrane forms simulation electric field, at this
In the presence of electric field, the sodium ion of glass surface can migrate to battery surface or reach the position of battery emitter stage, PN by EVA
Knot is therefore destroyed, and series resistance increase, parallel resistance reduces, and battery blackening is dimmed when component irradiates.
Utility model content
The utility model proposes a kind of solar cell panel assembly, by using the effect of plate condenser, the component
The sodium ion migration problem for being present in glass pane surface can effectively be suppressed；Meanwhile plate condenser can also be by storage
It is used for the power supply of intelligent wiring box after electric energy release, realizes the mobility of intelligent assembly.
Specifically technical scheme is：
One side of the present utility model：
A kind of solar cell panel assembly, include the glassy layer for stacking gradually arrangement, cell piece, plate condenser, electricity
The both positive and negative polarity of pond piece is connected with the both positive and negative polarity of plate condenser respectively, and the positive pole of plate condenser is towards cell piece.
In one embodiment, the both positive and negative polarity of cell piece is connected by the first circuit control module with plate condenser, the
One circuit control module is used to control the charging to plate condenser.
In one embodiment, described plate condenser is metallized polypropylene film or metallized polyester film.
In one embodiment, also include backboard, described backboard respectively between cell piece and plate condenser,
The lower section of plate condenser.
In one embodiment, backboard is also included, described backboard is located at the lower section of plate condenser.
In one embodiment, consolidated between the backboard and glassy layer below plate condenser by metal edge frame clamping
It is fixed.
Second aspect of the present utility model：
A kind of solar cell device, includes above-mentioned solar cell panel assembly, also includes intelligent control wiring
Box, described Intelligent control junction box are used to be controlled the power generation process of solar cell, described plate condenser with
Intelligent control junction box connects.
In one embodiment, described plate condenser is connected by second circuit control module and Intelligent control junction box
Connect, described second circuit control module is used to be controlled power supply of the plate condenser to Intelligent control junction box.
3rd aspect of the present utility model：
A kind of solar cell device, includes solar cell panel assembly, and described solar cell module includes
Stack gradually the glassy layer, cell piece, plate condenser of arrangement, the both positive and negative polarity of the cell piece both positive and negative polarity with plate condenser respectively
It is connected；Also include Intelligent control junction box, described Intelligent control junction box is used to enter the power generation process of solar cell
Row control, described plate condenser are connected with Intelligent control junction box.
4th aspect of the present utility model：
A kind of control method of solar cell, comprises the following steps：
Converted solar energy into electrical energy by cell piece；
By electrical power storage caused by cell piece on the plate condenser to be fitted with cell piece；
The power generation process of cell piece is controlled by Intelligent control junction box；
The electric energy stored by plate condenser is powered to Intelligent control junction box.
In one embodiment, the electric field side between direction of an electric field caused by plate condenser and the both positive and negative polarity of cell piece is made
To opposite.
In one embodiment, cell piece is controlled to the power supply process of plate condenser by circuit control module
System.
In one embodiment, the power supply process by circuit control module to plate condenser to Intelligent control junction box
It is controlled.
Beneficial effect
Solar cell module provided by the utility model effectively couples cell piece with plate condenser, can mitigate
The sodium ion migration problem of solar cell with glass panel；Meanwhile plate condenser can store electric energy and to intelligence
Terminal box power supply is controlled, realizes the transportable property of solar battery apparatus, it is no longer necessary to be connected to power network or using battery.
Brief description of the drawings
Fig. 1 is a kind of solar cell panel structure schematic diagram provided by the utility model.
Fig. 2 is the structural representation of the example of the utility model two.Fig. 3 is the knot of solar cell module provided by the invention
Composition.
Wherein, 1, glassy layer；2nd, cell piece；3rd, plate condenser；4th, backboard；5th, backboard；6th, EVA layer；7th, EVA layer；8、
EVA layer, 9, EVA layer；10th, Intelligent control junction box；11st, power network；12nd, the first circuit control module；13rd, second circuit control mould
Block.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise " are based on orientation shown in the drawings or position relationship, merely to just
In description the utility model and simplified description, rather than indicate or imply that signified device or element must be with specifically square
Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, in claim and
The ordinal number used in specification such as " first ", " second ", " the 3rd " etc., for modifying claim rather than due to this
Body contain it is any it is preferential, formerly or a claim order before another claim or perform method and step when
Between order.But as just label using to distinguish such as element of the claim with specific names and another
Element with same names（Rather than belonging to for succession）, to distinguish the element of claim.Thus, define
One or more this feature can be expressed or be implicitly included to the feature of " first ", " second ".Of the present utility model
In description, " multiple " are meant that two or more, unless otherwise specifically defined.It should be understood that when one
When element is mentioned with another element " connection ", it can be joined directly together with other elements or with the indirect phase of other elements
Even, and inserted with element between them.Unless there are clearly opposite explanation, otherwise term " comprising " and " having " is interpreted as table
State and include listed element, and non-excluded any other elements.Word " comprising " used herein, "comprising", " having " or
Its any other variant is intended to cover including for non-exclusionism.E.g., including list technique, method, article or the equipment of key element
Those key elements are not necessarily limited by, but can be not expressly set out including other or belong to this technique, method, article or equipment
Intrinsic key element.
" above " described in the utility model refers to the negative pole side of solar battery sheet, due to the solar energy of this side
Battery is generally toward sky side, the energy for conversion solar light；Correspond, " following " refers to solar cell
Side residing for positive pole.
Solar cell module is by ultrawhite woven design safety glass, high efficiency crystalline silicon solar cell, EVA, transparent TPT
Backboard and aluminum alloy frame composition.But there is sodium ion migration problem for meeting on solar panel.The migration of sodium ion
Main cause is：Due to higher bias voltage be present between component electrode and frame, cause it under suitable conditions, glass
Surface can form one layer of conductive cation film, and the conductive ionic membrane forms simulation electric field, in the presence of the electric field,
The sodium ion of glass surface can migrate to battery surface or reach the position of battery emitter stage by EVA.
The structure of solar cell module provided by the utility model mainly by below solar cell again
One layer of plate condenser is installed, passes through electrical energy transportation caused by solar cell to plate condenser；Meanwhile by capacity plate antenna
The cathode and anode directions installation of device is cathode and anode directions on the contrary, can cause the upper and lower surface of plate condenser with solar cell
Between form the electric field opposite between cell piece upper and lower surface.Structure of the present utility model can effectively suppress sodium ion
Migration, because the migration main cause of sodium ion is：Due to higher bias voltage be present between component electrode and frame, cause
Its under suitable conditions, glass surface can form one layer of conductive cation film, and the conductive ionic membrane forms simulation
Electric field, in the presence of the electric field, the sodium ion of glass surface can be migrated to battery surface by EVA or reach battery emitter stage
Position.It is negative pole before not having structure of the present utility model, above cell piece, here is positive pole, has been internally formed direction
Upward electric field, the plate condenser that this structure sandwiches（Such as metallized film）It is positive pole above, is negative pole below, internal shape
The electric field downward into direction, the electric field of percentage of batteries piece formation can be just offset, effectively inhibits the migration of sodium ion.
From overall, total is due to the effect for the frame that metallizes, backboard below glass and metallized film above cell piece,
The bias voltage of formation will greatly reduce.So as to which glass surface is not easy to form one layer of conductive cation film, the conductive ion
Film is difficult to form simulation electric field, so the effective migration for inhibiting glass surface sodium ion.
The dielectric material metallized film that plate condenser employed in said modules uses has many kinds, such as：Gold
Categoryization polypropylene film, metallized polyester film etc..The capacitance stability of metalizing polypropylene thin film capacitor is very high, exhausted
Edge resistance is high, self-healing property is good, dielectric strength is high etc..The capacitance stability of same MMB is high,
Insulaion resistance is high, and volumetric ratio is high, very thin thickness of film etc..The structure of the present utility model not only increased thickness of solar components
Spend thin, weight is small；And the simple process of manufacture, simple in construction, cost is low, service life length, can be with solar components one
Sample reaches 25 years life-span etc., realizes integration.
Conceived based on above-mentioned utility model, a kind of structure of solar cell panel assembly such as Fig. 1, is successively from top to bottom
Glassy layer 1, EVA layer 6, cell piece 2, EVA layer 7, plate condenser 3, EVA layer 8, the backboard of stacked arrangement.Plate condenser is adopted
It is metallized polypropylene film, metallized polypropylene film is clipped to inside solar components, but because solar components
Need pressure voltage to reach kilovolt, metallized polypropylene film is placed on component internal, just need also exist for pressure voltage and reach thousands of
Volt, so the thickness of metallized polypropylene film just needs to increase, but the technique manufactured is simple, saves material, it is only necessary to increase
Add one layer of EVA and metallized polypropylene film；Glassy layer and backboard serve as shell and played a protective role.
The structure of another solar panel provided by the utility model as shown in Fig. 2 stack gradually from top to bottom
Glassy layer 1, EVA layer 6, cell piece 2, EVA layer 7, backboard 4, EVA layer 8, plate condenser 3, EVA layer 9, the backboard 5 of arrangement.It is flat
Metallized polypropylene film has been put into the outside of solar components using metallized polypropylene film by plate capacitor, this
When metallized polypropylene film avoid the need for pressure voltage and reach kilovolt, so the thickness can of metallized polypropylene film is very
It is small, and can arrive and accomplish bigger capacitance；Add last layer backboard outside again, protective effect is realized as shell.
, can also be by installing circuit control module, by electric energy caused by solar cell in structure design more than
It is connected by circuit control module with plate condenser, can be better by circuit control module to being powered to plate condenser
It is controlled.
More than above-mentioned two kinds of embodiment of the present utility model, changes metallized polypropylene film into other films, or
By the dielectric film of monoblock, it is divided into blocking, as made capacitance sheet, or various sizes of solar components as cell piece
Equipped with various sizes of metallized film etc., equally fall within.
On the other hand, solar energy is widely used as a kind of clean energy resource, in order to improve solar battery array
Overall generating efficiency, begin to use solar cell intelligent assembly.Intelligent control junction box is mainly mounted with, such as：（1）MOS
The intelligent photovoltaic component on integrated circuit basis, conventional diode is replaced using MOS integrated circuits, reduce by two poles when component is blocked
The heating energy consumption of pipe, at the same when reducing component normal work transistor reverse leakage current, improve the generating efficiency of component.（2）
The transmitting of bypass diode circuit integrated wireless receives data system, is integrated with radio receiving transmitting module in terminal box, can supervise in real time
Survey and transmit cell panel data（Voltage, electric current, power, temperature etc.）.（3）MPPT+DCTODC circuits, by every piece in array
The distributed installation maximal power tracing module of cell panel, makes every block of plate in the square formation of power station always work in maximum power point (mpp).
For being such as mounted with that the solar cell intelligent assembly of Intelligent control junction box needs the supply of energy, typically carried by battery
For, but the manufacturing cost of battery is big, service life is not grown, and space-consuming is big.For the ease of for solar cell intelligence
Component supplies energy, and the utility model increases by one of technique, by electric capacity on the basis of solar components technique is not changed substantially
Device dielectric material is sandwiched among solar components, forms big flat sheet membranes capacitor, realizes solar components and capacitor
Integration, energy is stored and supplies using the charging/discharging function of capacitor.Using the charging/discharging function of capacitor, in solar energy
Charged when component normal work to capacitor, by electrical power storage, due to doing medium using metallized film, its thickness
Degree is very thin, so storage energy is big.Solar components size if power is 280W is 1640 × 990mm, if using thick
Spend for 3 μm of metallized polypropylene films, one layer then reaches the μ F of capacitance C=10, then 1mm thickness, capacitance C is nearly
3000μF.When needing to power to solar cell intelligent assembly, capacitor starts to discharge.So as to realize the storage of electric energy
Acted on supply.Such as night, cloudy day have cloud to sail, and influence solar cell working, now capacitor release electric energy.Too
It is positive can battery normal work, not only by there is without sunlight to be influenceed, if also have solar components surface to freeze in winter,
The snowy covering in surface is also affected, and now can provide energy by capacitor, have the function that deicing or snow melting.Above-mentioned
Design, it can also be used to control power supply of the plate condenser to photovoltaic intelligent component by installing circuit control module.
One exemplary solar battery apparatus is as shown in figure 3, the lower section of cell piece 2 is plate condenser 3, cell piece 2
Charged by the first circuit control module 12 to plate condenser 3, plate condenser 3 passes through second circuit control module 13
Powered to Intelligent control junction box 10, the generating that Intelligent control junction box 10 is used for solar cell is controlled；Cell piece 2
Caused electric energy conveys to power network 11.
Claims (10)
1. a kind of solar cell panel assembly, it is characterised in that include the glassy layer for stacking gradually arrangement, cell piece, flat board
Capacitor, the both positive and negative polarity of cell piece are connected with the both positive and negative polarity of plate condenser respectively, and the positive pole of plate condenser is towards cell piece.
2. solar cell panel assembly according to claim 1, it is characterised in that the both positive and negative polarity of cell piece passes through the first electricity
Road control module is connected with plate condenser, and the first circuit control module is used to control the charging to plate condenser.
3. solar cell panel assembly according to claim 1, it is characterised in that described plate condenser is metallization
Polypropylene film or metallized polyester film.
4. solar cell panel assembly according to claim 3, it is characterised in that the metallized polypropylene film or
Metallized polyester film can be one layer metallization or double level metallization.
5. solar cell panel assembly according to claim 1, it is characterised in that also include backboard, described backboard
Respectively between cell piece and plate condenser, the lower section of plate condenser.
6. solar cell panel assembly according to claim 1, it is characterised in that also include backboard, described backboard
Positioned at the lower section of plate condenser.
7. solar cell panel assembly according to claim 1, it is characterised in that the backboard below plate condenser
Connected and fixed between glassy layer by metal edge frame.
8. a kind of solar cell device, it is characterised in that include the solar cell described in any one of claim 1~6
Board component, also includes Intelligent control junction box, and described Intelligent control junction box is used for the power generation process to solar cell
It is controlled, described plate condenser is connected with Intelligent control junction box.
9. solar cell device according to claim 8, it is characterised in that described plate condenser passes through the second electricity
Road control module is connected with Intelligent control junction box, and described second circuit control module is used for plate condenser to intelligent control
The power supply of terminal box processed is controlled.
10. a kind of solar cell device, it is characterised in that include solar cell panel assembly, described solar cell
Component includes the glassy layer for stacking gradually arrangement, cell piece, plate condenser, the both positive and negative polarity of cell piece respectively with capacity plate antenna
The both positive and negative polarity of device is connected；Also include Intelligent control junction box, described Intelligent control junction box is used for solar cell
Power generation process is controlled, and described plate condenser is connected with Intelligent control junction box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720761156.0U CN206976355U (en) | 2017-06-28 | 2017-06-28 | A kind of solar cell panel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720761156.0U CN206976355U (en) | 2017-06-28 | 2017-06-28 | A kind of solar cell panel assembly |
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| Publication Number | Publication Date |
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| CN206976355U true CN206976355U (en) | 2018-02-06 |
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| CN201720761156.0U Active CN206976355U (en) | 2017-06-28 | 2017-06-28 | A kind of solar cell panel assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107204378A (en) * | 2017-06-28 | 2017-09-26 | 南京航空航天大学无锡研究院 | A kind of solar cell panel assembly and its control method |
-
2017
- 2017-06-28 CN CN201720761156.0U patent/CN206976355U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107204378A (en) * | 2017-06-28 | 2017-09-26 | 南京航空航天大学无锡研究院 | A kind of solar cell panel assembly and its control method |
| CN107204378B (en) * | 2017-06-28 | 2023-10-20 | 南京航空航天大学无锡研究院 | Solar panel assembly and control method thereof |
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