CN209515702U

CN209515702U - Photovoltaic module and photovoltaic system

Info

Publication number: CN209515702U
Application number: CN201920034949.1U
Authority: CN
Inventors: 马建伟
Original assignee: Shanghai Junqi Information Technology Co Ltd
Current assignee: Nanjing Suyu New Energy Technology Co., Ltd.
Priority date: 2019-01-09
Filing date: 2019-01-09
Publication date: 2019-10-18
Anticipated expiration: 2029-01-09

Abstract

This application discloses a kind of photovoltaic module and photovoltaic systems.The photovoltaic module, it include: multiple photovoltaic cell groups and radiating subassembly, each photovoltaic cell group includes: more than two photovoltaic cells, the photovoltaic cell is by being serially connected in photovoltaic cell item, multiple photovoltaic cell items form battery strings by head and the tail connection, and multiple battery strings and radiating subassembly integrated molding are set in frame.Present application addresses photovoltaic module heat dissipation and splicing the technical issues of.Photovoltaic module working efficiency, which is improved, by the application and reduces photovoltaic module splices complexity.

Description

Photovoltaic module and photovoltaic system

Technical field

This application involves photovoltaic fields, in particular to a kind of photovoltaic module and photovoltaic system.

Background technique

According to application demand, photovoltaic cell passes through certain combination, reaches the electricity of certain rated output power and output One group of photovoltaic cell of pressure, is photovoltaic module.According to photovoltaic plant size and scale, all size is constituted not by photovoltaic module Same array.

Inventors have found that there is inconvenience when heat dissipation and the splicing of muti-piece component in photovoltaic module.

Aiming at the problem that photovoltaic module in the related technology radiates and splices, currently no effective solution has been proposed.

Summary of the invention

The main purpose of the application is to provide a kind of photovoltaic module and photovoltaic system, with solve photovoltaic module heat dissipation and The problem of splicing.

To achieve the goals above, according to the one aspect of the application, a kind of photovoltaic module is provided.

Photovoltaic module according to the application includes: multiple photovoltaic cell groups and radiating subassembly, each photovoltaic cell group It include: more than two photovoltaic cells, the photovoltaic cell is by being serially connected in photovoltaic cell item, multiple photovoltaic cell items Battery strings are formed by head and the tail connection, multiple battery strings and radiating subassembly integrated molding are set in frame.

Further, the radiating subassembly includes: glassy layer, encapsulated layer and backboard, and the glass layer is covered with Thermal dispersant coatings are provided with the battery strings between the encapsulated layer and the backboard.

Further, photovoltaic module further includes that the busbar being arranged on backboard with the battery strings both ends is correspondingly connected with Terminal box, connecting terminal of the lead-out wire of the terminal box as the photovoltaic module.

Further, the glassy layer is the toughened glass layer with nano-carbon tube coating.

Further, the encapsulated layer is transparent material layer.

Further, the backboard is transparency glass plate.

Further, the photovoltaic cell is square.

Further, the bypass in each cell strip circuit and the cell strip circuit passes through diodes in parallel.

To achieve the goals above, according to the another aspect of the application, a kind of photovoltaic system is provided.

Photovoltaic system according to the application includes above-mentioned photovoltaic module, and multiple photovoltaic modulies are connected in series.

Further, multiple photovoltaic modulies are connected in series by separate type cable.

Photovoltaic module and photovoltaic system in the embodiment of the present application, using multiple photovoltaic cell groups and radiating subassembly one Molding mode, includes: more than two photovoltaic cells by each photovoltaic cell group, and the photovoltaic cell is connected by series connection Be connected into photovoltaic cell item, multiple photovoltaic cell items form battery strings by head and the tail connection, multiple battery strings with it is described Radiating subassembly integrated molding is set in frame, has achieved the purpose that radiate and spliced convenient for photovoltaic module, to realize Improve photovoltaic module efficiency and reduce the technical effect of photovoltaic module splicing complexity, so solve photovoltaic module heat dissipation and The technical issues of splicing.

Detailed description of the invention

The attached drawing constituted part of this application is used to provide further understanding of the present application, so that the application's is other Feature, objects and advantages become more apparent upon.The illustrative examples attached drawing and its explanation of the application is for explaining the application, not Constitute the improper restriction to the application.In the accompanying drawings:

Fig. 1 is the photovoltaic module structure schematic diagram according to one embodiment of the application；

Fig. 2 is the photovoltaic module structure schematic diagram according to another embodiment of the application；

Fig. 3 is according to photovoltaic module splicing construction schematic diagram in the embodiment of the present application；And

Fig. 4 is according to photovoltaic module splicing construction schematic diagram in another embodiment of the application.

Specific embodiment

In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only The embodiment of the application a part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people Member's every other embodiment obtained without making creative work, all should belong to the model of the application protection It encloses.

It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, " Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way Data be interchangeable under appropriate circumstances, so as to embodiments herein described herein.In addition, term " includes " and " tool Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing a series of steps or units Process, method, system, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include without clear Other step or units listing to Chu or intrinsic for these process, methods, product or equipment.

In this application, term " on ", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outside", " in ", "vertical", "horizontal", " transverse direction ", the orientation or positional relationship of the instructions such as " longitudinal direction " be orientation based on the figure or Positional relationship.These terms are not intended to limit indicated dress primarily to better describe the application and embodiment Set, element or component must have particular orientation, or constructed and operated with particular orientation.

Also, above-mentioned part term is other than it can be used to indicate that orientation or positional relationship, it is also possible to for indicating it His meaning, such as term " on " also are likely used for indicating certain relations of dependence or connection relationship in some cases.For ability For the those of ordinary skill of domain, the concrete meaning of these terms in this application can be understood as the case may be.

In addition, term " installation ", " setting ", " being equipped with ", " connection ", " connected ", " socket " shall be understood in a broad sense.For example, It may be a fixed connection, be detachably connected or monolithic construction；It can be mechanical connection, or electrical connection；It can be direct phase It even, or indirectly connected through an intermediary, or is two connections internal between device, element or component. For those of ordinary skills, the concrete meaning of above-mentioned term in this application can be understood as the case may be.

It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

As shown in Figure 1, the photovoltaic module 100 in the embodiment of the present application, comprising: multiple photovoltaic cell groups 1 and radiating subassembly 3, each photovoltaic cell group includes: more than two photovoltaic cells, and the photovoltaic cell is by being serially connected in photovoltaic cell Item, multiple photovoltaic cell items form battery strings 2, multiple battery strings 2 and the radiating subassembly 3 one by head and the tail connection It is body formed to be set in frame.By integrally formed structure, the connectivity problem being able to solve between battery strings, so as to make Obtaining multiple photovoltaic cell groups 1 can preferably be spliced.Integrally formed radiating subassembly 3 can assist playing heat dissipation simultaneously Effect preferably carries out heat dissipation and improves photovoltaic power while reducing the splicing difficulty in photovoltaic cell group.

It can be seen from the above description that the application realizes following technical effect:

As preferred in the present embodiment, the radiating subassembly includes: glassy layer 31, encapsulated layer 32 and backboard 34, institute It states 31 surface of glassy layer and is covered with thermal dispersant coatings 35, the battery strings are provided between the encapsulated layer and the backboard.It is described For encapsulated layer using EVA layer made of EVA material, encapsulated layer 32 can fill the glassy layer 31, photovoltaic cell group 3 and the back Gap between plate 34, while there is good translucency, allow the battery strings 2 that the sun is preferably absorbed and utilized Energy.The battery strings 2 are encapsulated between glassy layer and backboard, and the battery strings 2 include several photovoltaics in matrix arrangement Cell piece.

As preferred in the present embodiment, the glassy layer 31 is the toughened glass layer with nano-carbon tube coating.It is described Glassy layer is toughened glass layer or perspex layer, and the glassy layer can also be other types of glass-encapsulated layer, the glass The selection of layer need to only meet the service performance of the photovoltaic cell group 1.

As preferred in the present embodiment, the encapsulated layer 32 is transparent material layer.For example, can be using EVA material Manufactured EVA layer

As preferred in the present embodiment, the backboard 34 is transparency glass plate.The backboard 34 may be configured as transparent glass Glass backboard, photovoltaic cell group 1 can be the double of the thermal dispersant coatings glass back plate of thermal dispersant coatings and backboard 34 with glassy layer 31 Glass photovoltaic module.

As shown in figure 3, passing through back between the frame 5 of each photovoltaic cell group 100 as preferred in the present embodiment Type buckle 6 carries out fastening splicing.

As shown in Fig. 2, further including the remittance being arranged on backboard with the battery strings both ends as preferred in the present embodiment The terminal box 4 that stream item is correspondingly connected with, connecting terminal of the lead-out wire of the terminal box 4 as the photovoltaic module.Photovoltaic module Installation set up when, the back side of photovoltaic module is equipped with a waterproof junction box, by it can very easily with external circuit Connection.

As preferred in the present embodiment, the photovoltaic cell is square.According to application demand in practice, photovoltaic electric Pond may be any other shape.For example, triangle.

As shown in figure 4, as preferred in the present embodiment, the side in each the cell strip circuit and the cell strip circuit Road passes through diodes in parallel.

The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.

Claims

1. a kind of photovoltaic module characterized by comprising multiple photovoltaic cell groups and radiating subassembly, each photovoltaic cell Group includes: more than two photovoltaic cells, and the photovoltaic cell is by being serially connected in photovoltaic cell item, multiple photovoltaic cells Item forms battery strings by head and the tail connection, and multiple battery strings and radiating subassembly integrated molding are set in frame.

2. photovoltaic module according to claim 1, which is characterized in that the radiating subassembly include: glassy layer, encapsulated layer with And backboard, the glass layer are covered with thermal dispersant coatings, the battery strings are provided between the encapsulated layer and the backboard.

3. photovoltaic module according to claim 2, which is characterized in that further include being arranged on backboard and the battery strings two The terminal box that the busbar at end is correspondingly connected with, connecting terminal of the lead-out wire of the terminal box as the photovoltaic module.

4. photovoltaic module according to claim 2, which is characterized in that the glassy layer is the steel with nano-carbon tube coating Change glassy layer.

5. photovoltaic module according to claim 2, which is characterized in that the encapsulated layer is transparent material layer.

6. photovoltaic module according to claim 2, which is characterized in that the backboard is transparency glass plate.

7. photovoltaic module according to claim 1, which is characterized in that the photovoltaic cell is square.

8. photovoltaic module according to claim 1, which is characterized in that each cell strip circuit and the cell strip return The bypass on road passes through diodes in parallel.

9. a kind of photovoltaic system, which is characterized in that multiple including multiple photovoltaic modulies as described in any one in claim 1-5 The photovoltaic module is connected in series.

10. photovoltaic system as claimed in claim 9, which is characterized in that multiple photovoltaic modulies pass through separate type cable string Connection connection.