CN207134368U - A kind of solar photovoltaic assembly - Google Patents
A kind of solar photovoltaic assembly Download PDFInfo
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- CN207134368U CN207134368U CN201721152491.7U CN201721152491U CN207134368U CN 207134368 U CN207134368 U CN 207134368U CN 201721152491 U CN201721152491 U CN 201721152491U CN 207134368 U CN207134368 U CN 207134368U
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- backboard
- photovoltaic module
- support beam
- series
- solar
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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
The utility model discloses a kind of solar photovoltaic assembly, including：Armorplate glass, backboard and the solar cell lamella being fixedly connected between armorplate glass and backboard；Solar cell lamella includes multiple cell pieces being connected with each other by busbar, and is to be connected in parallel between at least two cell pieces；Multiple support beams are fixed in the lower surface of backboard, wherein, the lower surface is the backboard backwards to the surface of the solar cell lamella.Metal edge frame is replaced to support whole photovoltaic module using support beam in the utility model, the whole lower surface that support beam is distributed in backboard is stronger to the load-carrying ability of photovoltaic module, and the connection in each cell piece between at least two cell pieces is parallel connection, reduce the magnitude of voltage of whole photovoltaic module so that electric power station system can install bigger more photovoltaic modulies.
Description
Technical field
Solar cell manufacturing field is the utility model is related to, more particularly to a kind of solar photovoltaic assembly.
Background technology
Monomer solar cell can not directly do power supply use, it is necessary to by the connection of some cells and tight encapsulation in groups
Part.Photovoltaic module, solar panel is also, is the core in solar power system, and solar power system
In most important part.Its effect is to convert solar energy into electrical energy, and is sent in battery and stores, or promotes load work
Make.
In recent years, with solar cell using increasingly extensive, it is necessary to produce the solar photovoltaic assembly of large area, but
It is to ensure the mechanical performance of solar photovoltaic assembly, increases with the area of solar photovoltaic assembly, weight also increases therewith
Greatly, and area is bigger, and the weight in unit area is also bigger, and this is produced to the large scale quantities metaplasia of solar photovoltaic assembly and installation
Bring difficulty.Again because in electric power station system installation photovoltaic component, the total voltage after being installed to multiple components has certain limit
System, in order to prevent that total voltage is excessive, single photovoltaic module area cannot be excessive, while also limits installation to a certain extent
The quantity of single photovoltaic module.
Utility model content
The purpose of this utility model is to provide a kind of solar photovoltaic assembly, and it is larger to solve solar photovoltaic assembly area
When, production caused by weight is excessive and the problem of installation difficulty reduces the weight of solar photovoltaic assembly, and reduce monolithic
The magnitude of voltage of photovoltaic module.
In order to solve the above technical problems, the utility model provides a kind of solar photovoltaic assembly, including：
Armorplate glass, backboard and the solar cell being fixedly connected between the armorplate glass and the backboard
Lamella；The solar cell lamella includes multiple cell pieces being connected with each other by busbar, and at least two batteries
It is to be connected in parallel between piece；Multiple support beams are fixed in the lower surface of the backboard, wherein, the lower surface be the backboard backwards
The surface of the solar cell lamella.
Wherein, the side of the support beam and the backboard is parallel to each other.
Wherein, the adjacent support beam is uniformly distributed on the surface of the backboard.
Wherein, the support beam is the support beam of inner hollow.
Wherein, the support beam is provided with opening backwards to the support beam surface of the backboard.
Wherein, the support beam is metal support beam.
Wherein, it is connected in parallel between each cell piece.
Wherein, the solar cell lamella includes multiple batteries in parallel connection strings, and the batteries in parallel connection string is multiple electricity
The batteries in parallel connection string that pond piece is connected in parallel, and be connected in series between multiple batteries in parallel connection strings.
Wherein, the solar cell lamella includes multiple series-connected battery strings, and the series-connected battery string is multiple electricity
The series-connected battery string that pond piece is connected in series with each other, and be connected in parallel between multiple series-connected battery strings.
Wherein, the quantity of cell piece is less than the quantity of total series-connected battery string in the series-connected battery string.
A kind of solar photovoltaic assembly provided by the utility model, supported by the support beam installed in backboard lower surface
The weight of whole photovoltaic module, without using the larger metal edge frame of weight, and because support beam is in the whole lower surface of backboard
Distribution, what the Area of bearing in backboard lower surface will be big compared to metal edge frame is more, therefore, for photovoltaic group of the same area
Part, in the case where ensureing satisfactory mechanical property, with the increase of photovoltaic module area in the utility model, it is only necessary to increase phase
Answer the support beam of quantity, that is to say, that as photovoltaic module area increases, the weight of photovoltaic module unit area is constant, and this is favourable
In the production of large scale quantities metaplasia and installation of photovoltaic module.
In addition, at least two cell pieces are simultaneously between each cell piece of composition solar cell lamella in the utility model
Connection, all to be connected relative to all cell pieces in the prior art, the magnitude of voltage of solar photovoltaic assembly of the present utility model is smaller,
And connected between cell piece by busbar, compared to the connection of metal derby in the prior art, the production of busbar is more simple,
So monolithic element can design more greatly in the utility model, and equal-wattage order, component count is less, is advantageous to photovoltaic group
Part large scale quantities metaplasia is produced, and is easy to pack and is transported, reduces the use cost of photovoltaic module, is advantageous to photovoltaic module application
Further genralrlization.
Brief description of the drawings
For clearer explanation the utility model embodiment or the technical scheme of prior art, below will to embodiment or
The required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
Some embodiments of the utility model, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of the solar photovoltaic assembly backside structure provided in a kind of specific embodiment of the utility model；
Fig. 2 is the schematic diagram of the solar photovoltaic assembly Facad structure provided in a kind of specific embodiment of the utility model；
Fig. 3 is the cross-sectional view of the support beam provided in a kind of specific embodiment of the utility model；
Fig. 4 is the schematic diagram that each cell piece is connected with each other in being provided in a kind of specific embodiment of the utility model；
Fig. 5 is the schematic diagram that each cell piece is connected with each other in being provided in the utility model another kind specific embodiment；
Fig. 6 is the schematic diagram that each cell piece is connected with each other in being provided in the utility model another kind specific embodiment；
In accompanying drawing, 1 is backboard, and 2 be support beam, and 3 be cell piece.
Embodiment
In order that those skilled in the art more fully understand the utility model, below in conjunction with the accompanying drawings and it is embodied
The utility model is described in further detail for mode.Obviously, described embodiment is only the utility model part
Embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not doing
Go out under the premise of creative work the every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1 and Fig. 2 are refer to, Fig. 1 is the solar photovoltaic assembly back of the body provided in a kind of specific embodiment of the utility model
The schematic diagram of face structure, Fig. 2 are the solar photovoltaic assembly Facad structure provided in a kind of specific embodiment of the utility model
Schematic diagram.
In a kind of specific embodiment of solar photovoltaic assembly provided by the utility model, it can include：
Armorplate glass, backboard 1 and the solar-electricity being fixedly connected between the armorplate glass and the backboard 1
Pond lamella, backboard 1 can be that a kind of flexible backboard 1 of PVC material can also be safety glass material one kind inflexibility
Backboard 1.
3 layers of the solar battery sheet includes multiple cell pieces 3 being connected with each other by busbar, and described at least two
To be connected in parallel between cell piece 3, connected between cell piece 3 by busbar, compared to the connection of metal derby in the prior art,
The production of busbar is more simple.In actual application, the voltage of single photovoltaic module is lower, is installed in electric power station system
When, under identical systems voltage, the component count installations, design and O＆M cost for saving electric power station system that can connect more,
By the way that multiple cell pieces 3 are in parallel, for the photovoltaic module that each cell piece 3 is connected, smaller electricity can be obtained
Pressure.
Multiple support beams 2 are fixed in the lower surface of backboard 1, wherein, the lower surface is the backboard 1 backwards to the solar energy
The surface of battery lamella.
General photovoltaic module is carried out after being stacked gradually according to the order of armorplate glass, solar cell lamella, backboard 1
Laminating packaging, and be to pass through glue between safety glass and solar cell lamella and between solar cell lamella and backboard
Mold layer is mutually bonded.In the prior art, for a kind of backboard 1 of PVC material, it is a kind of flexible backboard 1, is not
Photovoltaic module can be played a supportive role, what is played a supportive role is that the armorplate glasses of the superiors is equipped with photovoltaic module
The metal edge frame of periphery supports the weight of whole component；Then it is by upper and lower two layers of steel for a kind of backboard 1 of safety glass material
Change glass plate complexed metal frame, keep the mechanical performance of whole photovoltaic module.
When the area of photovoltaic module is bigger, due to the contact position between metal edge frame and armorplate glass and backboard 1
For edge, that is to say, that armorplate glass and backboard 1 do not have support force in middle part.For the backboard 1 of PVC material
For, when photovoltaic module area increases, in order to ensure the mechanical performance of photovoltaic module, the thickness of armorplate glass must increase
Greatly, and as area is bigger, the meeting that thickness increases is faster；For the backboard 1 of tempered glass materials, when photovoltaic module area
During increase, also it is necessarily required to increase the thickness of backboard 1.
In summary, when photovoltaic module area increases, the weight of photovoltaic module also increases, and the bigger growth of area
It is faster, that is to say, that the weight increase of photovoltaic module unit area.
Metal edge frame support photovoltaic module is replaced using support beam 2 in the utility model, due to multiple support beams 2 and backboard
1 contact, and contact surface is distributed in the whole lower surface of backboard 1, rather than backboard 1 is supported in the marginal position of backboard 1,
So the load-carrying ability of support beam 2 is stronger, what comparatively the weight of support beam 2 can also be smaller than metal edge frame is more, and works as light
When lying prostrate the increase of component area, it is only necessary to same support beam 2 is set in the lower surface that backboard 1 increases, carried on the back without increasing
The thickness of plate 1 or armorplate glass, and the photovoltaic module of same area, in terms of existing technologies, may be used also in the present invention
The appropriate thickness for reducing backboard 1 or armorplate glass, further reduce the quality of photovoltaic module, and photovoltaic module is with area
Increase, the weight of unit area is constant.This to realize that the production that photovoltaic module quantifies on a large scale provides precondition, and
Improve installation effectiveness.Further, since metal edge frame need not be set, the illuminating area increase of photovoltaic module edge, improve
The operating efficiency of component.
Based on above-described embodiment, in another specific embodiment of the present utility model, can include：
The side of the support beam 2 and the backboard 1 is parallel to each other, because the backboard 1 of photovoltaic module is typically all rectangle, respectively
Individual support beam 2 can be parallel to each other with the length of backboard 1, can also be parallel to each other with the width of backboard 1, certainly, in the utility model
Also the length for being not precluded from part support beam 2 and backboard 1 is parallel to each other and the width of another part support beam 2 and backboard 1 is parallel to each other
Situation, still, the convenience based on production and installation, for example, each support beam 2 is parallel to each other with the length of backboard 1, then each
Support beam 2 can be uniform length, be easy to the production of support beam 2, and when mounted, be selected without considering the length of support beam 2
Corresponding installation site is selected, simplifies installation process.But this is not essential features of the present utility model, this practicality is new
Can also be various sizes of support beam 2 in type, according to other rules in the following table EDS maps of backboard 1.Each support beam 2 is equal and carries on the back
Some side of plate 1 is parallel, is a preferred embodiment of the present utility model.
In order that the support force that the lower surface of backboard 1 is born is evenly, the present embodiment can also be improved further, be made each
Support beam 2 is uniformly distributed in the lower surface of backboard 1, is made the lower surface uniform stressed of backboard 1, be ensure that the mechanicalness of photovoltaic module
Energy.
Fig. 3 is refer to, Fig. 3 is a kind of signal of the support beam cross section provided in the utility model in specific embodiment
Figure.
Based on above-described embodiment, in another specific embodiment of the present utility model, the support beam 2 is the branch of inner hollow
Support beam 2.For photovoltaic module, the weight of whole photovoltaic module is the key of the production and the application that directly affect photovoltaic module
One of factor, it is therefore desirable to the weight of photovoltaic module is reduced as far as possible, and hollow support beam 2 is enough to support photovoltaic module weight
Amount, but the weight relative to solid support beam is smaller.
For support beam 2, backboard 1 is played a supportive role mainly and backboard 1 be connected with each other surface, in order to enter
One step reduces the weight of photovoltaic module, and the utility model can also be improved further：Support beam 2 is described backwards to the backboard 1
The surface of support beam 2 is provided with opening.Certainly this is not essential features of the present utility model, can also be in the utility model
It can ensure to increase the spacing between adjacent supports beam 2 on the basis of the mechanical performance of backboard 1, this reduces to a certain extent
The quantity of support beam 2, so as to reduce the weight of photovoltaic module, the material of more lightweight can also be used to make support beam 2, can
Enough reach the purpose for reducing photovoltaic module weight.
Based on above-described embodiment, it is contemplated that in the course of the work, solar cell lamella easily generates heat component, and mainly passes through
The heat transfer radiating of backboard 1, because support beam 2 is fixed on backboard 1, the processing of backboard 1 can be by radiating with air heat transfer
Can also be by being radiated with the heat transfer of support beam 2.Due to too high temperature, the normal work of component can be influenceed, in order to more preferable
Radiate, in another embodiment of the present utility model, can include：The support beam 2 is metal support beam 2, and metal has more preferable
Heat dispersion, backboard 1 radiated by metal support beam 2, can accelerate heat transfer.In other above-described embodiment, under support beam 2
End opening so that the inner chamber of support beam 2 all directly contacts with air, can expand support beam 2 and the contact area of air, so as to
Accelerate radiating.
Fig. 4 is refer to, Fig. 4 is a kind of embodiment signal that each cell piece is connected with each other in the utility model
Figure.
Based on above-described embodiment, in another specific embodiment of the present utility model, can include：The solar battery sheet
The battery lamella that layer is connected in parallel for multiple cell pieces 3.
In actual application, the voltage of monolithic photovoltaic module is lower, when electric power station system is installed, identical systems voltage
Under, the component count installations, design and O＆M cost for saving electric power station system that can connect more, and for each voltage phase
Deng cell piece 3 for, when all in parallel between each cell piece 3, the magnitude of voltage of whole solar cell lamella is minimum.Such as figure
Shown in 4, in actual applications, each cell piece 3 is typically all rule distribution, can be by each cell piece 3 of same row just
Negative pole is that the both positive and negative polarity of cell piece 3 of other row is connected after being respectively connected with, so as to reach the whole mesh in parallel of each cell piece 3
's.Further, since being arranged between each cell piece 3 according to certain rule, the cell piece 3 of each row or every a line can be passed through
Busbar is connected in parallel, without being connected one by one using by two neighboring cell piece 3 so that the installation of photovoltaic module is more simple
It is single.Certainly this is not the mode for uniquely realizing that each cell piece 3 is in parallel, and similar mode, numerous to list herein with this.
Fig. 5 is refer to, Fig. 5 is that each cell piece is connected with each other in being provided in the utility model another kind specific embodiment
Schematic diagram.
If in parallel in view of all cell pieces 3 of whole solar cell lamella, there can be solar cell lamella
Output current it is excessive the problem of, therefore, in another specific embodiment of the present utility model, can include：The solar-electricity
Pond lamella includes multiple batteries in parallel connection strings, and the batteries in parallel connection string is the parallel connection that multiple cell pieces 3 are connected in parallel by busbar
Battery strings, and be connected in series between multiple batteries in parallel connection strings, to facilitate installation, each batteries in parallel connection in the utility model
Connection between the connection of each cell piece 3 in string, and multiple batteries in parallel connection pieces 3 can be connected by busbar.
Because in parallel between each cell piece 3 in batteries in parallel connection string, the voltage and list at each batteries in parallel connection string both ends
The magnitude of voltage of individual cell piece 3 is equal, therefore the magnitude of voltage of whole solar cell lamella is just by the quantity of total batteries in parallel connection string
Determine.As shown in figure 5, because the quantity of cell piece 3 of each row is more than the quantity of cell piece 3 per a line, in order to subtract as far as possible
Small voltage, while simple in view of circuit, can connect into the cell piece 3 of same row batteries in parallel connection string, then by each parallel connection
Battery strings are connected.
Fig. 6 is refer to, Fig. 6 is each phase of cell piece 3 interconnection in being provided in the utility model another kind specific embodiment
The schematic diagram connect.
It is in parallel simply by the presence of cell piece 3 under conditions of the quantity of cell piece 3 is certain for solar cell lamella, with regard to energy
Enough reach the purpose of voltage reduction, be that can include in this another specific embodiment of the present utility model：
The solar cell lamella includes multiple series-connected battery strings, and each series-connected battery string is that multiple cell pieces 3 are connected
The series-connected battery string of connection, and be connected in parallel between multiple series-connected battery strings, it is similar with above-described embodiment, for the side of installation
Just, the connection of each cell piece 3 in the utility model in each series-connected battery string, and between multiple series cells 3
Connection can be connected by busbar.
, can be with increase series-connected battery string as much as possible based on the voltage for reducing solar cell lamella to a greater extent
Quantity, and reduce the quantity of cell piece 3 in each series-connected battery string, therefore the present embodiment can also be improved further：It is described
The quantity of cell piece 3 is less than the quantity of total series-connected battery string in series-connected battery string.It is as shown in fig. 6, certain for quantity
Solar cell lamella, when connecting each cell piece 3 in a manner of two kinds of Fig. 5 and Fig. 6 are different, two ways obtain photovoltaic
Component voltage value is identical, but for the connected mode shown in Fig. 6, can obtain smaller circuit all-in resistance.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (10)
- A kind of 1. solar photovoltaic assembly, it is characterised in that including：Armorplate glass, backboard and it is fixedly connected on the steel Change the solar cell lamella between glass plate and the backboard；The solar cell lamella includes multiple cell pieces being connected with each other by busbar, and at least two cell pieces Between to be connected in parallel；Multiple support beams are fixed in the lower surface of the backboard, wherein, the lower surface is the backboard backwards to the solar-electricity The surface of pond lamella.
- 2. photovoltaic module according to claim 1, it is characterised in that the side of the support beam and the backboard is mutually flat OK.
- 3. photovoltaic module according to claim 2, it is characterised in that multiple support beams are equal on the surface of the backboard Even distribution.
- 4. photovoltaic module according to claim 1, it is characterised in that the support beam is the support beam of inner hollow.
- 5. photovoltaic module according to claim 4, it is characterised in that the support of the support beam backwards to the backboard Beam surface is provided with opening.
- 6. photovoltaic module according to claim 5, it is characterised in that the support beam is metal support beam.
- 7. according to the photovoltaic module described in any one of claim 1 to 6, it is characterised in that between each cell piece simultaneously Connection connection.
- 8. according to the photovoltaic module described in any one of claim 1 to 6, it is characterised in that the solar cell lamella includes Multiple batteries in parallel connection strings, the batteries in parallel connection string are the batteries in parallel connection string that multiple cell pieces are connected in parallel, and multiple described It is connected in series between batteries in parallel connection string.
- 9. according to the photovoltaic module described in any one of claim 1 to 6, it is characterised in that the solar cell lamella includes Multiple series-connected battery strings, the series-connected battery string are the series-connected battery string that multiple cell pieces are connected in series with each other, and multiple It is connected in parallel between the series-connected battery string.
- 10. photovoltaic module according to claim 9, it is characterised in that the quantity of cell piece is small in the series-connected battery string In the quantity of total series-connected battery string.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201721152491.7U CN207134368U (en) | 2017-09-08 | 2017-09-08 | A kind of solar photovoltaic assembly |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721152491.7U CN207134368U (en) | 2017-09-08 | 2017-09-08 | A kind of solar photovoltaic assembly |
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| CN207134368U true CN207134368U (en) | 2018-03-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107516687A (en) * | 2017-09-08 | 2017-12-26 | 浙江晶科能源有限公司 | A kind of solar photovoltaic assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107516687A (en) * | 2017-09-08 | 2017-12-26 | 浙江晶科能源有限公司 | A kind of solar photovoltaic assembly |
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