CN207572378U - Solar cell module and photovoltaic power generation apparatus - Google Patents

Solar cell module and photovoltaic power generation apparatus Download PDF

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Publication number
CN207572378U
CN207572378U CN201721808209.6U CN201721808209U CN207572378U CN 207572378 U CN207572378 U CN 207572378U CN 201721808209 U CN201721808209 U CN 201721808209U CN 207572378 U CN207572378 U CN 207572378U
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China
Prior art keywords
solar cell
cell module
equilateral triangle
solar
power generation
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CN201721808209.6U
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Chinese (zh)
Inventor
高艳杰
陈志军
张建旗
王丹
张文龙
尚琪
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Yingli Energy China Co Ltd
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Yingli Energy China Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/10Photovoltaic [PV]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

The utility model provides a kind of solar cell module and photovoltaic power generation apparatus, including the equal n sides shape solar battery sheet of several length of sides, several described n sides shape solar battery sheets are in sequential series to form equilateral triangle battery strings, the equilateral triangle battery strings are externally provided with the equilateral triangle frame coordinated with the equilateral triangle battery strings, two apex angles of the equilateral triangle battery strings are divided into for the positive terminal box and negative junction box of extracted current, wherein, n is the even number more than or equal to 6.Solar cell module provided by the utility model, utilize the equal n sides shape solar battery sheet of several length of sides, composition equilateral triangle structure in sequential series, form a solar cell module, convenient for the arbitrary combination of component, it is particularly suitable for being laid on rounded roof, trapezoidal ceiling, elliptic plane, polygonal building etc., substantially increases roof utilization rate.

Description

Solar cell module and photovoltaic power generation apparatus
Technical field
The utility model belongs to solar cell module technical field, is to be related to a kind of solar cell more specifically Component and the photovoltaic power generation apparatus using solar cell module composition.
Background technology
Solar cell is also known as solar battery sheet, is the photovoltaic generation product converted solar energy into electrical energy, output current By area and extraneous light intensity brightness decision.
Solar module is also referred to as photovoltaic module, abbreviation component.It is the photovoltaic generation production converted solar energy into electrical energy Product are the cores in solar power system.The electricity generation system being made from it is generated electricity by photovoltaic module, and electric energy is sent to Loaded work piece is stored or driven in accumulator.The quality that the quality and cost of photovoltaic module will directly determine whole system And cost.It is in panel itself by battery by electrical connection post package that it, which is formed, and panel is generally glass, backboard, output electrode It is drawn with a terminal box, surrounding is reinforced with frame.
Terminal box is the connecting component of photovoltaic module output, and inside is by several diodes, connection terminal, box body, box cover, company The components such as wiring form.
Battery strings are a string of batteries for being connected solar cell by welding.
Distributed photovoltaic system refers to the distributed power generation system that solar energy is converted directly into electric energy using solar module System.It is a kind of novel, tool power generation with broad prospects for development and comprehensive utilization of energy mode, it is advocated generates electricity, just nearby The principle closely used can not only effectively improve the generated energy of same size photovoltaic plant, while also efficiently solve electric power and exist Loss problem in boosting and long-distance transport.The distributed photovoltaic power generation system being most widely used at present, when build in rural area, The photovoltaic generation project on City Building roof;One is distributed across the unused place such as park, mountain area, including the small-sized of pavilions, terraces and open halls Electricity generation system.
At present, the structure design of solar module is square structure, sees Figure 14, and core battery strings pass through confluence Band connection is got up, and is integrated by glass, EVA, with the battery strings of confluence band connection, EVA, back plate seals by lamination, then is used silicon Glue or adhesive tape are encapsulated in aluminium frame, install the terminal box of a band connection line.Its shape is shown in Figure 12 and Figure 13, Figure 15 and Figure 16 It, can from figure for the solar cell module of triangular structure formed using the solar battery sheet of square structure Go out, surface utilisation is poor.
In use, the positive and negative electrode of the connecting line in terminal box is connected in turn, reach the component square formation of needs, Meet the output voltage and electric current of solar power system.
At present, the solar module feature produced both at home and abroad is:
(1) solar module product is made of battery strings, convergent belt, encapsulating material, several parts of terminal box.
(2) convergent belt connects battery strings, then is connect with terminal box.
(3) encapsulating material includes glass, backboard, EVA, aluminum frame, silica gel or adhesive tape, and battery strings, convergent belt is close It closes and.
(4) combined terminal boxes are fixed on module backside, a connection convergent belt.
During installation, component is connected by the connecting line on component, reaches component square formation, is formed Power generation part in solar power system.
Basic procedure is as follows:Welding (forms battery strings) --- and laying (is connected battery strings with convergent belt, to one Wiring box position) --- lamination (glass, EVA, battery strings, convergent belt, EVA, backboard are laminated together) --- frame up and (use silica gel Or adhesive tape installation aluminum frame) --- installation terminal box (terminal box and two connecting lines combined).
At present, solar cell is generally 156mm × 156mm sizes, and front gate line is two or a plurality of main grid and several are thin Grid line forms, and electric current is in 8A or so.Its basic shape is shown in Fig. 3:
Current solar cell module there are the shortcomings that it is as follows:
(1) it applies in photovoltaic plant and distributed solar module, either common component or double glass assemblies, Rectangle structure is commonly, is not easy to the arbitrary combination of component square formation, it is particularly flat in rounded roof, trapezoidal ceiling, ellipse Face, polygonal design upstairs are laid with, and make roof utilization rate very low.
(2) the solar module mechanical strength of this rectangle structure is not high, and stability is not strong, once by certain Pressure will result in component strain or even breakage.
(3) output cord of solar module is exported by the terminal box of one end, needs longer cable, that is, included One " tail " makes troubles to packaging, transport, installation;Not only increase cost, but also unsightly.
(4) convergent belt that centainly longer, overlapping intersects is needed inside solar module, that is, increases cost, and increase Component area, influences the performance of component, internal consumption reduces output power, and the relative reduction hair of component unit area Electrical efficiency increases cost.
In short, the shape of solar module has certain limitation for the arbitrary combination of photovoltaic module matrix at present, The rounded roofs such as various pavilions, terraces and open halls, trapezoidal ceiling, elliptic plane, polygonal design upstairs are especially not easy to, to distribution The development of photovoltaic system has certain limitation, it is impossible to give full play to the generating efficiency of solar module, reduce building one Change the aesthetics of product, in addition the mechanical strength of component in itself is insufficient, unfavorable to the service life of component, is not easy to reduce manufacture Cost and maintenance cost.
Utility model content
The purpose of this utility model is to provide a kind of solar cell module, to solve combination in the prior art The technical issues of inconvenient.
To achieve the above object, the technical solution adopted in the utility model is:A kind of solar cell module is provided, including The equal n sides shape solar battery sheet of several length of sides, several described n sides shape solar battery sheets compositions in sequential series are equilateral Triangle battery strings, the equilateral triangle battery strings are externally provided with the equilateral triangle coordinated with the equilateral triangle battery strings Frame is divided into two tops of the equilateral triangle battery strings for the positive terminal box and negative junction box of extracted current Angle, wherein, n is the even number more than or equal to 6.
Further, in the equilateral triangle battery strings, the n sides shape solar battery sheet is in layered arrangement.
Further, the n sides shape solar battery sheet is in sequential series by welding.
Further, the n sides shape solar battery sheet is in sequential series by conductive bar.
Further, the n sides shape solar battery sheet is hexagon.
Further, the n sides shape solar battery sheet is dodecagon.
The advantageous effect of solar cell module provided by the utility model is:
First, compared with prior art, the utility model solar cell module utilizes the equal n sides of several length of sides Shape solar battery sheet, composition equilateral triangle structure in sequential series, forms a solar cell module, convenient for appointing for component Meaning combination is particularly laid in rounded roof, trapezoidal ceiling, elliptic plane, polygonal design upstairs, compared to square structure Solar cell module, roof utilization rate is very high.
Second, solar cell module uses equilateral triangle structure, in mechanical strength and stability, significantly larger than four Side shape structure improves the stability of component, and convenient for being combined into arbitrary structures, is utilized suitable for the maximum of different roof areas.
Third, positive and negative anodes terminal box is arranged on two apex angles of equilateral triangle solar cell module, two corners output Connection cables are greatly saved in scheme, reduce the production cost, and improve security performance, while improve aesthetics again.
Fourth, solar module multi-direction can be connected, be saved using such as hexagon battery or 12 deformation cell pieces Internal convergent belt has been saved, that is, has reduced cost, and has increased the generating efficiency of component unit area.
The purpose of this utility model, which also resides in, provides a kind of photovoltaic power generation apparatus, including several solar energy described above Battery component, the photovoltaic power generation apparatus of the solar cell module polygonized structure in series described in several.
Further, the photovoltaic power generation apparatus of the polygonized structure is regular hexagon.
Further, the photovoltaic power generation apparatus of the polygonized structure is isosceles trapezoid.
The advantageous effect of solar cell module provided by the utility model is:As a result of equilateral triangle structure Solar cell module, convenient for being combined into different shapes, be particularly suitable for being installed on the round room such as various lobby, building Top, trapezoidal ceiling, elliptic plane, it is polygonal upstairs can preferably utilize the area on roof, improve the generating efficiency of component, The aesthetics of architecture-integral product is improved, while increases the mechanical strength of component in itself, improves the service life of component, is reduced Manufacture cost and maintenance cost.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing is briefly described needed in description, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the knot that solar battery sheet in the solar cell module that the utility model embodiment provides is hexagon Structure schematic diagram;
Fig. 2 is that the solar battery sheet for the solar cell module that the utility model embodiment provides is dodecagonal knot Structure schematic diagram;
Fig. 3 is the backsight structural representation of solar cell module that the utility model embodiment provides;
Fig. 4 is the structure diagram of a kind of connection mode of solar cell module that the utility model embodiment provides;
Fig. 5 is the structural representation of another connection mode of solar cell module that the utility model embodiment provides Figure;
Fig. 6 is the structure diagram of the utility model hexagon solar battery sheet;
Fig. 7 is the structure diagram of the utility model dodecagon solar battery sheet;
Fig. 8 is the structural representation that six pieces of solar cell modules that the utility model embodiment provides form hexagon roof Figure;
Fig. 9 is the backsight structural representation of Fig. 8;
Figure 10 is the structural representation that eight pieces of solar cell modules that the utility model embodiment provides form trapezoidal ceiling Figure;
Figure 11 is the structure diagram that ten pieces of solar cell modules that the utility model embodiment provides form bicycle shed
Figure 12 is the structure diagram of existing solar cell module;
Figure 13 is the rearview of Figure 12;
Figure 14 is the structure diagram of existing square solar battery sheet;
Figure 15 is the solar cell module of existing square solar battery sheet composition;
Figure 16 is the rearview for Figure 15.
Wherein, each reference numeral in figure:
1-n sides shape solar battery sheet;2- equilateral triangle frames;3- positive terminal boxes;4- negative junction boxs;5- is existing The frame of solar cell module;The existing solar battery sheets of 6-;The existing terminal boxes of 7-.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and advantageous effect is more clearly understood, with Lower combination accompanying drawings and embodiments, the present invention is further described in detail.It should be appreciated that specific reality described herein It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " or " being set to " another element, it can be directly another On one element or it is connected on another element.When an element is known as " being connected to " another element, it can To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", " on ", " under ", "front", "rear", "left", "right", " vertical ", The orientation or position relationship of the instructions such as " level ", " top ", " bottom " " interior ", " outer " are to be closed based on orientation shown in the drawings or position System is for only for ease of description the utility model and simplifies description rather than instruction or imply that signified device or element are necessary With specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more this feature." multiple " are meant that two or two in the description of the present invention, More than, unless otherwise specifically defined.
Also referring to Fig. 1 to Fig. 7, now solar cell module provided by the utility model is illustrated.It is described too Positive energy battery component, including the equal n sides shape solar battery sheet 1 of several length of sides, several described n sides shape solar cells Piece 1 is in sequential series to form equilateral triangle battery strings, and the equilateral triangle battery strings are externally provided with and equilateral triangle electricity Pond string cooperation equilateral triangle frame 2, for extracted current positive terminal box 3 and negative junction box 4 be divided into it is described etc. Two apex angles of side triangle battery strings, wherein, n is the even number more than or equal to 6.
Solar cell module provided by the utility model, compared with prior art, the utility model solar battery group Part, using the equal n sides shape solar battery sheet 1 of several length of sides, composition equilateral triangle structure in sequential series forms one Solar cell module, convenient for the arbitrary combination of component square formation, particularly in rounded roof, trapezoidal ceiling, elliptic plane, more Design on turret is laid with, and roof utilization rate is very high;Solar cell module uses equilateral triangle structure, in mechanical strength In stability, significantly larger than quadrilateral structure improves the stability of component, and convenient for being combined into arbitrary structures, suitable for not Maximum with roof area utilizes;Positive and negative anodes terminal box 4 is arranged on two apex angles of equilateral triangle solar cell module, and two The scheme of angle output, is greatly saved connection cables, reduces the production cost, and improve security performance, while improve again Aesthetics;Solar module multi-direction can be connected, be saved interior using such as hexagon battery or 12 deformation cell pieces Portion's convergent belt reduces cost, and increase the generating efficiency of component unit area.
Further, also referring to Fig. 3 to Fig. 5, one kind as solar cell module provided by the utility model Specific embodiment, in the equilateral triangle battery strings, the n sides shape solar battery sheet 1 is in layered arrangement.Can also be Nested equilateral triangle layer by layer.
Further, Fig. 4 to Fig. 5 is please referred to, one kind as solar cell module provided by the utility model is specific Embodiment, the n sides shape solar battery sheet 1 are in sequential series by welding.What Fig. 4 and Fig. 5 was provided is solar battery sheet Two different series systems.
Further, refering to Fig. 4 and Fig. 5, a kind of specific reality as solar cell module provided by the utility model Mode is applied, the n sides shape solar battery sheet 1 is in sequential series by conductive bar.
Further, it please refers to Fig.1 and Fig. 6, one kind as solar cell module provided by the utility model is specific Embodiment, the n sides shape solar battery sheet 1 are hexagon.The edge of hexagon solar battery sheet is by 6 straight line groups Into.
Further, Fig. 2 and Fig. 7 is please referred to, the n sides shape solar battery sheet 1 is dodecagon.It can from Fig. 2 and Fig. 7 Know, solar battery sheet can be approximately round at this time.The solar battery sheet of dodecagon structure can be by 6 straight lines and 6 The alternate composition of a arc-shaped side.
Fig. 8 to Figure 11 is please referred to, the utility model also provides a kind of photovoltaic power generation apparatus, described above including several Solar cell module, the photovoltaic power generation apparatus of the solar cell module polygonized structure in series described in several.Its In, the positive terminal box 3 of adjacent two solar cell modules is adjacent with negative junction box 4, convenient for being connected in series with, makes circuit It is most short.
Further, Fig. 8 to Fig. 9 is please referred to, a kind of specific reality as photovoltaic power generation apparatus provided by the utility model Mode is applied, the photovoltaic power generation apparatus of the polygonized structure is regular hexagon.It is suitable for hexagonal roofs, can make full use of room The area on top improves photoelectricity effect.
Further, referring to Fig. 10, the photovoltaic power generation apparatus of the polygonized structure is isosceles trapezoid.Namely using eight The trapezoidal ceiling of block solar cell module composition.
Further, 1 is please referred to Fig.1, is the embodiment using the bicycle shed of ten pieces of solar cell module compositions.
The key point of the utility model and to be intended to protect be a little a kind of solar cell module and with the solar cell module The photovoltaic power generation apparatus combined method of combination, including following key technology:
(1) using hexagon solar battery sheet or dodecagon solar battery sheet, it is combined into equilateral triangle solar energy Battery component, positive and negative anodes terminal box 4 are divided into two apex angles of triangle, are exported using two corners.
(2) each battery is electrically connected by welding or conductive bar, is connected as connecting, both ends connect a positive terminal box respectively 3rd, negative junction box 4, a variety of connection modes.
(3) terminal box uses two independent small terminal boxes, separately designs in two corners of component, does not set long cable.
(4), can be with the combination of arbitrarily devised various shapes according to the situation at scene during installation, then pass through Shorter connecting line or short-circuit subcomponent are connected in turn the positive and negative anodes of adjacent component, reach component square formation.
(5) anode of square formation, cathode can design square formation at identical nearer position or different positions farther out.
(6) the preferably short-circuit subcomponent of the connection of inter-module.
In short, using solar cell module provided by the utility model, different shapes can be combined into, is suitble to difference The surface of shape, can rational and efficient use surface, improve the generating efficiency of solar cell module, improve building one Change the aesthetics of product, while increase the mechanical strength of solar cell module in itself, improve the service life of component, drop Low manufacture cost and maintenance cost.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (9)

1. solar cell module, it is characterised in that:Including the equal n sides shape solar battery sheet of several length of sides, several The n sides shape solar battery sheet is in sequential series to form equilateral triangle battery strings, and the equilateral triangle battery strings are externally provided with The equilateral triangle frame coordinated with the equilateral triangle battery strings, for the positive terminal box and negative terminal of extracted current Box is divided into two apex angles of the equilateral triangle battery strings, wherein, n is the even number more than or equal to 6.
2. solar cell module as described in claim 1, it is characterised in that:In the equilateral triangle battery strings, the n Side shape solar battery sheet is in layered arrangement.
3. solar cell module as claimed in claim 2, it is characterised in that:The n sides shape solar battery sheet passes through weldering With in sequential series.
4. solar cell module as claimed in claim 2, it is characterised in that:The n sides shape solar battery sheet is by leading Electric item is in sequential series.
5. solar cell module as described in claim 1, it is characterised in that:The n is when shape solar battery sheet is six Shape.
6. solar cell module as described in claim 1, it is characterised in that:The n sides shape solar battery sheet is 12 Side shape.
7. photovoltaic power generation apparatus, it is characterised in that:Including several such as claim 1-6 any one of them solar battery groups Part, the photovoltaic power generation apparatus of the solar cell module polygonized structure in series described in several.
8. photovoltaic power generation apparatus as claimed in claim 7, it is characterised in that:The photovoltaic power generation apparatus of the polygonized structure is Regular hexagon.
9. photovoltaic power generation apparatus as claimed in claim 7, it is characterised in that:The photovoltaic power generation apparatus of the polygonized structure is Isosceles trapezoid.
CN201721808209.6U 2017-12-21 2017-12-21 Solar cell module and photovoltaic power generation apparatus Active CN207572378U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107978649A (en) * 2017-12-21 2018-05-01 英利能源(中国)有限公司 Solar cell module and photovoltaic power generation apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107978649A (en) * 2017-12-21 2018-05-01 英利能源(中国)有限公司 Solar cell module and photovoltaic power generation apparatus

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