Packaging structure of solar cell module for space

Abstract

The utility model discloses a packaging structure of a space solar cell module. The packaging structure comprises a flexible packaging film, a first adhesive film, a solar cell module, a second adhesive film and a space solar cell substrate which are stacked up and down, wherein the space solar cell substrate is located at the bottom and comprises an uncovered substrate surface, the uncovered substrate surface at least comprises a substrate surface unit which linearly penetrates through the length or width or side length of the space solar cell substrate, and a plurality of substrate mounting units are arranged on the substrate surface unit; according to the utility model, space-level silicone rubber is not needed for pasting and packaging, the packaging process is simple and efficient, the cost is low, and the packaging structure is reliable.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of space photovoltaic power generation, and particularly relates to a packaging structure of a space solar cell module. BACKGROUND

[0002] The existing space solar cell module is usually pasted and packaged by using space-grade silicone rubber when being packaged, and the packaging structure has the following problems: 1. High process complexity: the silicone rubber needs to go through multiple processes such as double-component proportioning, coating and gluing, vacuum defoaming, and pressure curing; 2. Difficulty in cost control: the space-grade silicone rubber material is expensive, and the process loss rate is high, and micro-bubbles and other defects are easily generated during the curing process, and the processes of detecting and removing bubbles further consume manpower and material resources.

[0003] Therefore, the applicant hopes to find a technical solution to solve the above technical problems. SUMMARY

[0004] Therefore, the utility model discloses a packaging structure of a space solar cell module, which does not need to use space-grade silicone rubber for pasting and packaging, and is simple and efficient in the packaging process, low in cost, and reliable in the packaging structure.

[0005] The utility model adopts the technical scheme as follows:

[0006] A packaging structure of a space solar cell module comprises a flexible packaging film, a first adhesive film, a solar cell module, a second adhesive film, and a space solar cell substrate in a stacked manner from top to bottom, wherein the space solar cell substrate is located at the bottom and comprises an uncovered substrate surface, the uncovered substrate surface comprises at least a substrate surface unit in a linear shape and penetrating through the length, width, or edge length of the space solar cell substrate, and a plurality of substrate mounting units are arranged on the substrate surface unit.

[0007] Preferably, the space solar cell substrate is made of a flexible material substrate, and the corresponding substrate mounting unit is a substrate splicing structure.

[0008] Preferably, the substrate splicing structure is a folding hinge.

[0009] Preferably, the space solar cell substrate is made of a rigid material substrate or a semi-rigid material substrate, and the corresponding substrate mounting unit is a locking structure.

[0010] Preferably, the space solar cell substrate is made of an aluminum honeycomb substrate, an aluminum plate, a plastic substrate, or a foam substrate.

[0011] Preferably, before laminating the packaging structure, the adhesive spill-proof protective tape is pasted on the substrate surface unit, and the length of the adhesive spill-proof protective tape is greater than the width or length or side length of the space solar cell substrate, extending to the laminated bottom plate (a known structure in laminating equipment).

[0012] Preferably, the substrate surface unit comprises a first substrate surface unit, a second substrate surface unit, a third substrate surface unit and a fourth substrate surface unit respectively located at the four edges of the space solar cell substrate; wherein the first substrate surface unit, the second substrate surface unit, the third substrate surface unit and the fourth substrate surface unit respectively extend through the length or width or side length of the space solar cell substrate in a straight line shape.

[0013] Before laminating the packaging structure, the first adhesive spill-proof protective tape, the second adhesive spill-proof protective tape, the third adhesive spill-proof protective tape and the fourth adhesive spill-proof protective tape are respectively pasted on the first substrate surface unit, the second substrate surface unit, the third substrate surface unit and the fourth substrate surface unit.

[0014] Preferably, the substrate surface unit comprises a fifth substrate surface unit and / or a sixth substrate surface unit respectively located at the non-four edges of the space solar cell substrate; wherein the fifth substrate surface unit and / or the sixth substrate surface unit respectively extend through the length or width or side length of the space solar cell substrate in a straight line shape.

[0015] Before laminating the packaging structure, the fifth adhesive spill-proof protective tape and the sixth adhesive spill-proof protective tape are respectively pasted on the fifth substrate surface unit and / or the sixth substrate surface unit.

[0016] Preferably, the adhesive spill-proof protective tape is a high-temperature resistant tape, preferably a polyimide tape.

[0017] Preferably, the solar cell module is a crystalline silicon solar cell module and / or a silicon-based thin-film solar cell module; the materials of the first adhesive film and the second adhesive film are EVA or POE or EPE.

[0018] The utility model discloses a space solar cell module's packaging structure which is composed of flexible packaging film, first adhesive film, solar cell module, second adhesive film and space solar cell substrate, and especially proposes the uncovered substrate surface, sets up the substrate surface unit that at least includes the length or width or side length of linearly through space solar cell substrate to the uncovered substrate surface, and sets up the substrate mounting unit for realizing space solar cell module installation on the substrate surface unit, when the packaging structure is laminated and packaged, the substrate surface unit is covered and pasted with the anti -overflow protection tape in advance (can be removed quickly after completing the laminated packaging of packaging structure), and the length of anti -overflow protection tape is greater than the width or length or side length of space solar cell substrate and extends to the laminated bottom plate, and then the space solar cell substrate is pasted and fixed, avoids the overflow of adhesive film to the substrate mounting unit in the laminating process, influences the subsequent normal installation of space solar cell module, and further guarantees the packaging laminating quality of space solar cell module, the packaging structure of space solar cell module provided by the utility model does not need to adopt space -grade silicone rubber and paste and package, and the packaging process is simple and efficient, low in cost and reliable in packaging structure. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the packaging cross section structure schematic drawing of space solar cell module in the specific embodiment of the application (corresponding to embodiment 1);

[0020] Figure 2 It is the pasting fixed structure schematic drawing of the packaging structure in embodiment 1 before laminating and packaging;

[0021] Figure 3 It is the pasting fixed structure schematic drawing of the packaging structure in embodiment 2 before laminating and packaging. DETAILED DESCRIPTION

[0022] Please see Figure 1 The embodiment proposes a packaging structure of space solar cell module, including the flexible packaging film 1 of upper and lower stacking shape, first adhesive film 2, solar cell module 3, second adhesive film 4 and space solar cell substrate 5, wherein the space solar cell substrate 5 is located at the bottom and includes the uncovered substrate surface 6, the uncovered substrate surface 6 at least includes the substrate surface unit of linearly through the length or width or side length of space solar cell substrate, and the substrate surface unit is equipped with a plurality of substrate mounting units (please see Figure 2 And Figure 3 The illustration).

[0023] Preferably, in the present embodiment, the anti-overflow protective tape is pasted on the substrate surface unit before the encapsulation structure is laminated and encapsulated, and the length of the anti-overflow protective tape is greater than the width or length or edge length of the space solar cell substrate 5; further preferably, in the present embodiment, the anti-overflow protective tape adopts a high-temperature-resistant tape, and more preferably a polyimide tape.

[0024] Preferably, in the present embodiment, the space solar cell substrate 5 can adopt a known flexible material substrate, and can also adopt a rigid material substrate or a semi-rigid material substrate, and the rigid material substrate or the semi-rigid material substrate can further preferably adopt an aluminum honeycomb substrate or an aluminum plate or a plastic substrate or a foam substrate.

[0025] In the present embodiment, the flexible encapsulation film 1 can adopt any known front plate transparent flexible encapsulation film, and the present embodiment does not make a unique limitation thereon; preferably, in the present embodiment, the solar cell module 3 adopts a crystalline silicon solar cell module and / or a silicon-based thin-film solar cell module, and of course can also adopt other known solar cell modules, and the present embodiment does not make a unique limitation thereon; preferably, in the present embodiment, the material of the first adhesive film 2 and the second adhesive film 4 adopts EVA (an abbreviation of Ethylene Vinyl Acetate Copolymer, which means ethylene-vinyl acetate copolymer in Chinese) or POE (an abbreviation of Polyolefin Elastomer, which means polyolefin elastomer in Chinese) or EPE (a three-layer composite structure film of “EVA-POE-EVA”, which is a composite modification of EVA material and POE material, and is manufactured through a co-extrusion process), and of course can also adopt other known adhesive films, and the present embodiment does not make a unique limitation thereon.

[0026] In order for those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0027] In order to further illustrate the implementation process and implementation effect of the present application, on the basis of the above implementation scheme, the present application further proposes the following embodiments:

[0028] Embodiment 1: please refer to Figure 2 and combine Figure 1As shown, the present embodiment 1 proposes a packaging structure of a space solar cell module, the space solar cell substrate 5 is located at the bottom and includes an uncovered substrate surface 6, the uncovered substrate surface 6 includes at least a substrate surface unit in a linear shape through the length or width or side length of the space solar cell substrate, and a plurality of substrate mounting units are arranged on the substrate surface unit;

[0029] In the present embodiment 1, the space solar cell substrate 5 is in a rectangular shape, a flexible material substrate is used, and the substrate mounting unit is a substrate splicing structure 7, wherein the substrate splicing structure 7 can specifically use a folding hinge; the first adhesive film 2 and the second adhesive film 4 both use EVA material, and the solar cell module 3 uses a single crystal silicon solar cell module;

[0030] In the present embodiment 1, the substrate surface unit includes a first substrate surface unit 11, a second substrate surface unit 12, a third substrate surface unit 13 and a fourth substrate surface unit 14 located at the four edges of the space solar cell substrate respectively; wherein the first substrate surface unit 11 and the third substrate surface unit 13 are in a linear shape through the length of the space solar cell substrate 5, and the second substrate surface unit 12 and the fourth substrate surface unit 14 are in a linear shape through the width of the space solar cell substrate 5; the substrate splicing structure 7 is arranged on the first substrate surface unit 11 and the third substrate surface unit 13;

[0031] Before laminating and packaging the packaging structure of the present embodiment 1, the first anti-overflow protective tape 15, the second anti-overflow protective tape 16, the third anti-overflow protective tape 17 and the fourth anti-overflow protective tape 18 are respectively covered and pasted on the first substrate surface unit 11, the second substrate surface unit 12, the third substrate surface unit 13 and the fourth substrate surface unit 14; each anti-overflow protective tape uses a polyimide tape, and extends to a laminated bottom plate (a known structure, not shown in the figure) respectively, so as to paste the space solar cell substrate 5 and the laminated bottom plate;

[0032] Specifically, further, the laminated packaging of the packaging structure of the space solar cell module provided by the present embodiment specifically adopts the following process:

[0033] First, place the space solar cell substrate 5 horizontally on the laminated bottom plate, cover and paste each anti-overflow protective tape on its corresponding substrate surface unit respectively, and extend to the laminated bottom plate respectively, so as to paste the space solar cell substrate 5 and the laminated bottom plate;

[0034] Then, stack the second adhesive film 4, the solar cell module 3, the first adhesive film 2 and the flexible packaging film 1 on the space solar cell substrate 5 in turn, and finally cover a layer of high-temperature cloth;

[0035] Set the pressure and temperature conditions required by the laminating equipment; laminate and package the above stacked structure;

[0036] After the laminated packaging is completed, the laminating equipment is opened to take out the product, and after the product returns to normal temperature, a crack is drawn along the edge of each anti-overflow protective tape using a craft knife, and then each anti-overflow protective tape is gently torn off from the space solar cell substrate 5 along the crack.

[0037] Compared with the existing packaging structure using space-grade silicone rubber for pasting packaging, the production cycle of the packaging structure of the space solar cell module provided in this embodiment 1 is reduced from 3 days to 0.5 days, and the production cost is reduced by more than 30%.

[0038] Embodiment 2: The technical solution of this embodiment 2 is the same as that of embodiment 1, except that Figure 3 and in combination with Figure 1 As shown in the figure, in this embodiment 2, the space solar cell substrate 5 is in the shape of a rectangle, a rigid aluminum honeycomb substrate is used, the substrate mounting unit is a locking structure 8, and the second adhesive film 4, the solar cell module 3, the first adhesive film 2, and the flexible packaging film 1 are stacked in the three regions of the space solar cell substrate 5; the substrate surface unit includes a first substrate surface unit 21, a second substrate surface unit 22, a third substrate surface unit 23, and a fourth substrate surface unit 24 located at the four peripheral edges of the space solar cell substrate 5; wherein the first substrate surface unit 21 and the third substrate surface unit 23 respectively pass through the length of the space solar cell substrate 5 in a straight line, and the second substrate surface unit 22 and the fourth substrate surface unit 24 respectively pass through the width of the space solar cell substrate 5 in a straight line; the substrate splicing structure 8 is arranged on the second substrate surface unit 22 and the fourth substrate surface unit 24;

[0039] In this embodiment 2, the substrate surface unit further includes a fifth substrate surface unit 31 and a sixth substrate surface unit 32 located at the non-four peripheral edges of the space solar cell substrate 5; wherein the fifth substrate surface unit 31 and the sixth substrate surface unit 32 respectively pass through the width of the space solar cell substrate 5 in a straight line;

[0040] Before laminating and packaging the packaging structure of this embodiment 2, the first anti-overflow protective tape 25, the second anti-overflow protective tape 26, the third anti-overflow protective tape 27, the fourth anti-overflow protective tape 28, the fifth anti-overflow protective tape 33, and the sixth anti-overflow protective tape 34 are pasted on the first substrate surface unit 21, the second substrate surface unit 22, the third substrate surface unit 23, the fourth substrate surface unit 24, the fifth substrate surface unit 31, and the sixth substrate surface unit 32, respectively; each anti-overflow protective tape is made of a polyimide tape, and extends to the laminated bottom plate to paste the space solar cell substrate 5 and the laminated bottom plate.

[0041] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0042] Furthermore, it should be understood that although the present specification is described in terms of embodiments, not every embodiment according to the present specification needs to exhibit each and every characteristic specified in the present specification. The specification can also be described in terms of a single preferred embodiment, it being understood that this single preferred embodiment can exhibit not every aspect or feature of the present specification. The specification can also be described in terms of a generic statement that the disclosure can include one, some, or all of a list of features. It is further understood that the specification is to be considered as a whole and not with reference to a single feature or design element alone.

Claims

1. A packaging structure for a space-use solar cell module, characterized in that, The flexible packaging film, the first adhesive film, the solar cell assembly, the second adhesive film and the space solar cell substrate are stacked in an up-down manner; the space solar cell substrate is located at the bottom and comprises an uncovered substrate surface, the uncovered substrate surface comprises at least a substrate surface unit in a linear shape penetrating the length or width or side length of the space solar cell substrate, and a plurality of substrate mounting units are arranged on the substrate surface unit.

2. The encapsulation structure for a solar cell module for a space use according to claim 1, wherein The space solar cell substrate is made of a flexible material substrate, and the corresponding substrate mounting unit is a substrate splicing structure.

3. The encapsulation structure for a solar cell module for a space use according to claim 2, wherein The substrate splicing structure is a folding hinge.

4. The encapsulating structure for a solar battery module for a space use according to claim 1, wherein The space solar cell substrate is made of a rigid material substrate or a semi-rigid material substrate, and the corresponding substrate mounting unit is a locking structure.

5. The encapsulation structure for a solar cell module for a space use according to claim 4, wherein The space solar cell substrate is made of an aluminum honeycomb substrate or an aluminum plate or a plastic substrate or a foam substrate.

6. The encapsulation structure for a solar cell module for space use according to claim 1, wherein Before the packaging structure is laminated and packaged, an anti-overflow protective tape is pasted on the substrate surface unit, and the length of the anti-overflow protective tape is greater than the width or length or side length of the space solar cell substrate.

7. The encapsulation structure for a solar cell module for a space use according to claim 6, wherein The substrate surface unit comprises a first substrate surface unit, a second substrate surface unit, a third substrate surface unit and a fourth substrate surface unit located at the four edges of the space solar cell substrate respectively; the first substrate surface unit, the second substrate surface unit, the third substrate surface unit and the fourth substrate surface unit respectively penetrate the length or width or side length of the space solar cell substrate in a linear shape; Before the packaging structure is laminated and packaged, a first anti-overflow protective tape, a second anti-overflow protective tape, a third anti-overflow protective tape and a fourth anti-overflow protective tape are respectively pasted on the first substrate surface unit, the second substrate surface unit, the third substrate surface unit and the fourth substrate surface unit.

8. The encapsulation structure for a solar cell module for a space use according to claim 7, wherein The substrate surface unit comprises a fifth substrate surface unit and / or a sixth substrate surface unit located at the non-four edges of the space solar cell substrate; the fifth substrate surface unit and / or the sixth substrate surface unit respectively penetrate the length or width or side length of the space solar cell substrate in a linear shape; Before the packaging structure is laminated and packaged, a fifth anti-overflow protective tape and a sixth anti-overflow protective tape are respectively pasted on the fifth substrate surface unit and / or the sixth substrate surface unit.

9. The encapsulation structure for a solar cell module for a space use according to claim 6 or 7 or 8, wherein The anti-overflow protective tape is made of a high-temperature resistant tape.

10. The encapsulation structure for a solar cell module for a space use according to claim 6 or 7 or 8, wherein The anti-overflow protective tape is made of a polyimide tape.

11. The encapsulating structure for a solar cell module for a space use according to claim 1, wherein The solar cell assembly is made of a crystalline silicon solar cell assembly and / or a silicon-based thin film solar cell assembly; the materials of the first adhesive film and the second adhesive film are EVA or POE or EPE.

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