CN218849504U - Light flexible battery piece - Google Patents
Light flexible battery piece Download PDFInfo
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- CN218849504U CN218849504U CN202222873817.2U CN202222873817U CN218849504U CN 218849504 U CN218849504 U CN 218849504U CN 202222873817 U CN202222873817 U CN 202222873817U CN 218849504 U CN218849504 U CN 218849504U
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- flexible battery
- battery piece
- piece body
- protection shield
- protection
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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
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Abstract
The utility model provides a light flexible battery piece relates to solar wafer technical field, and flexible battery piece body, protection shield, quantity are two, set up respectively in two sides about flexible battery piece body, and the one side edge that the protection shield was kept away from each other just is located the position outside the flexible battery piece body and is equipped with the knurling face, and nylon layer quantity is two-layer, compounds in the protection shield, surrounds outside the flexible battery piece body, the protection shield opposite face is equipped with the recess that holds the flexible battery piece body, the protection shield is the transparence, the position outside the protection shield opposite face recess bonds through the viscose, forms the knurling face after the protection shield is extruded by extrusion structure, and the bonding face also can be unsmooth form between the protection shield, increases connection area to improve the viscidity, make the bonding strength between two blocks of plates stronger, guarantee structural strength.
Description
Technical Field
The utility model relates to a solar wafer technical field, more specifically the utility model relates to a light flexible battery piece.
Background
The solar cell is a photoelectric semiconductor sheet which directly generates electricity by using sunlight, is also called as a solar chip or a photovoltaic cell, and can output voltage instantly and generate current under the condition of a loop as long as the solar cell is illuminated under a certain illumination condition. Physically called solar photovoltaic, photovoltaic for short;
with the development of photovoltaic technology, the development technology of the crystalline silicon cell is more mature, the slice is thinner and thinner, the crystalline silicon cell has better mechanical performance, can bear deformation to a certain degree without other damages such as hidden cracks and the like, and can be applied to a flexible or semi-flexible photovoltaic module, and the flexible light weight is popular with more and more users in the photovoltaic market due to the advantages of deformation resistance, difficult damage, light weight and the like;
however, the conventional lightweight flexible battery piece has the following disadvantages:
1. the light flexible cell piece is widely applied to photovoltaic roof buildings due to the characteristic of light, a photovoltaic roof is usually made of steel and has a smooth surface, and in order to ensure the light-receiving property of the cell piece, the surface of the cell piece is also smooth, when the cell piece and the roof are installed, the cell piece and the roof are connected in an adhesive mode, and the connecting surface of the cell piece and the roof is smooth, so that the connecting strength is low, the adhesion is not tight enough, and the cell piece is easy to separate;
2. the battery piece is used outdoors, the service environment is relatively severe, and extreme weather such as rainwater, wind, snow, hail and the like needs to be resisted, so that the structure of the battery piece is easy to crack or even break, particularly, the edge is cracked, once small cracks occur, the small cracks can be diffused to the deep part, the damaged part of the battery piece is locally short-circuited to cause heating, and serious potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: when the battery piece and the roof are installed, the connection strength is low, the bonding is not tight enough, the structure of the battery piece is easy to crack or even break, and the light flexible battery piece is provided aiming at the problems in the prior art.
The purpose and the efficacy of the utility model are achieved by the following specific technical means:
a lightweight flexible battery piece comprises
A flexible cell body;
the number of the protection plates is two, the protection plates are respectively arranged on the upper surface and the lower surface of the flexible battery piece body, and the edge of one surface, far away from each other, of the protection plate is provided with a knurling surface at a position outside the flexible battery piece body;
the nylon layers are compounded in the protective plate and surround the flexible battery piece body;
through such design, the shell protects flexible battery piece body jointly with the nylon layer, and the toughness on nylon layer is good, effectively improves the life of battery piece.
Further preferred embodiments: the opposite surface of the protection plate is provided with a groove for accommodating the flexible battery piece body;
the battery piece is convenient to install.
Further preferred embodiments: the protective plate is transparent and made of EVA (ethylene vinyl acetate copolymer), and a peroxide cross-linking agent, an antioxidant and an ultraviolet absorber are added inside the protective plate;
a glass layer is arranged on the surface of the protection plate corresponding to the light receiving surface of the flexible battery piece body;
the design improves the oxidation resistance and prolongs the service life.
Further preferred embodiments: the positions outside the grooves on the opposite surface of the protection plate are bonded through viscose, the embossing surface corresponds to the bonding position of the protection plate, and the embossing surface is formed through extrusion;
the bonding surface between the protection plates is extruded to be uneven;
the connection strength between the protection plates can be enhanced and the battery pieces are more tightly adhered to the steel plate.
Further preferred embodiments: the thickness of the protective plate is at least twice of the thickness of the flexible battery piece body.
Further preferred embodiments: the edge of the nylon layer is flush with the edge of the protection plate;
the design prevents the cell from being torn.
Further preferred embodiments: and a thin film layer is glued on the surface of the protective plate.
The utility model has the advantages that:
1. the protection plates are bonded by adopting a packaging adhesive material of polyvinyl butyral, the opposite surfaces of the protection plates and the circles of the edges of the grooves are bonding positions, the surfaces of the protection plates are pressed by adopting extrusion or stamping work, the contact surfaces of the extrusion structures and the protection plates are arranged in a concave-convex uneven shape, the protection plates are extruded by the extrusion structures to form embossing surfaces, and after the protection plates are extruded, the bonding surfaces between the protection plates are also in a concave-convex uneven shape, so that the connection area is increased, the bonding property is improved, the bonding force between the two plates is stronger, and the structural strength is ensured;
2. when the protection plate is installed on a building roof, the embossed surface of the protection plate is bonded on a steel plate of the building roof through glue, compared with the smooth surface connection of the traditional battery piece, the battery piece can be more compact when being connected with the building roof, is not easy to loosen after long-term use, and ensures the connection strength;
3. the nylon layer is compound with the protection shield when hot moulding the stage, and the nylon layer encircles outside flexible battery piece body, and the nylon layer has high tenacity, improves the compressive strength of battery piece, prevents that the battery piece from being beaten the crackle that appears when beating, and nylon layer edge flushes with the protection shield edge, even the protection shield edge crackle appears, can restrain the diffusion of crackle through the nylon layer, improves the security of battery piece.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic diagram of the overall structure of the present invention;
fig. 3 is a schematic view of a partial enlarged structure at a in fig. 1 according to the present invention;
fig. 4 is the internal schematic diagram of the battery plate and protection plate structure of the present invention.
In fig. 1-4: the flexible battery piece comprises a flexible battery piece body (1), a protective plate (2), a nylon layer (201), an embossing surface (3) and a thin film layer (4).
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings 1-4 and the detailed description thereof. The following examples are merely illustrative of the practice of the invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, the present invention is intended to cover all modifications and equivalents included within the spirit and scope of the present invention.
Referring to fig. 1-4, a lightweight flexible battery plate includes
The flexible cell slice body 1 can output voltage under the illumination condition and generate current under the condition of a loop to perform solar power generation;
the two protective plates 2 are respectively arranged on the upper surface and the lower surface of the flexible battery piece body 1, grooves for accommodating the flexible battery piece body 1 are formed in the opposite surfaces of the protective plates 2, and the flexible battery piece body 1 is arranged in the grooves;
the positions outside the grooves on the opposite surfaces of the protection plates 2 are bonded through viscose, after the flexible battery piece body 1 is installed, the protection plates 2 are bonded through packaging adhesive materials of polyvinyl butyral, the opposite surfaces of the protection plates 2 are positioned at the edge of the groove in a circle to form bonding positions, the adhesive materials are coated on the positions, the two protection plates 2 are bonded, then the surfaces of the protection plates 2 are pressed through extrusion or stamping, the extrusion positions correspond to the gluing positions, the contact surfaces of the extrusion structures and the protection plates 2 can be arranged in a concave-convex uneven shape, the protection plates 2 are extruded by the extrusion structures to form embossed surfaces 3, and after the protection plates 2 are extruded, the bonding surfaces between the protection plates 2 can also be in a concave-convex uneven shape, the connection area is increased, so that the adhesion is improved, the bonding strength between the two plates is stronger, and the structural strength is ensured;
the surface of the protection plate 2 is glued with a thin film layer 4, when the protection plate 2 is subjected to an extrusion process, the thin film layer 4 is connected with the protection plate 2, so that the thin film layer 4 can be extruded together, when the protection plate 2 is installed on a building roof, the embossed surface 3 of the protection plate 2 is adhered to a building roof steel plate through glue, compared with the smooth surface connection of a traditional battery piece, the battery piece can be more compact when being connected with the building roof, is not easy to loosen after long-term use, and ensures the connection strength;
the film layer 4 is preferably made of ethylene-vinyl acetate copolymer, so that the film layer is strong in toughness and good in wear resistance, the thickness of the film layer 4 is 0.4-0.7 mm, the protection plate 2 can be fully protected, and the service life of the battery piece is prolonged;
the thickness of protection shield 2 is the twice of flexible battery piece body 1 thickness at least, the protectiveness to flexible battery piece body 1 is stronger, protection shield 2 is the transparence, for the EVA material, and inside add has peroxide cross-linking agent, anti-oxidant and ultraviolet absorbent, reliable waterproof, the ageing resistance characteristic, can resist extreme weather such as rainwater, snow and hail, the cracked condition is difficult for appearing in the battery piece, and nylon layer 201 quantity is two-layer, compound in protection shield 2, protection shield 2 is made by hot plastic process, nylon layer 201 is compound when hot plastic stage with protection shield 2, nylon layer 201 surrounds outside flexible battery piece body 1, nylon layer 201 has high toughness, improve the compressive strength of battery piece, prevent that the battery piece from striking the crackle, and nylon layer 201 edge flushes with protection shield 2 edge, even protection shield 2 edge crackle appears, can inhibit the diffusion of crackle through nylon layer 201, improve the security of battery piece.
The protection plate 2 and the thin film layer 4 are both transparent, and a glass layer is arranged on the surface of the protection plate corresponding to the light receiving surface of the flexible battery piece body, so that the illumination performance of the flexible battery piece body 1 is not affected.
Claims (7)
1. A lightweight flexible battery piece is characterized by comprising
A flexible cell body;
the two protection plates are respectively arranged on the upper surface and the lower surface of the flexible battery piece body, and the edge of one surface, far away from each other, of each protection plate is provided with a knurling surface;
the nylon layers are compounded in the protective plate and surround the flexible battery piece body.
2. A light-weight flexible battery sheet as claimed in claim 1, wherein: and the opposite surface of the protection plate is provided with a groove for accommodating the flexible battery piece body.
3. A light-weight flexible battery sheet as claimed in claim 1, wherein: and a glass layer is arranged on the surface of the protection plate corresponding to the light receiving surface of the flexible battery piece body.
4. A light-weight flexible battery sheet as claimed in claim 2, wherein: the positions outside the grooves on the opposite surface of the protection plate are bonded through viscose, the embossing surface corresponds to the bonding position of the protection plate and is formed through extrusion, and the embossing surface is positioned outside the flexible battery piece body on the surface of the protection plate;
the bonding surface between the protection plates is uneven by extrusion.
5. A light-weight flexible battery sheet according to claim 1, wherein: the thickness of the protective plate is at least twice of the thickness of the flexible battery piece body.
6. A light-weight flexible battery sheet according to claim 1, wherein: the edge of the nylon layer is flush with the edge of the protection plate.
7. A light-weight flexible battery sheet as claimed in claim 1, wherein: and a thin film layer is glued on the surface of the protective plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222873817.2U CN218849504U (en) | 2022-10-28 | 2022-10-28 | Light flexible battery piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222873817.2U CN218849504U (en) | 2022-10-28 | 2022-10-28 | Light flexible battery piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218849504U true CN218849504U (en) | 2023-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222873817.2U Active CN218849504U (en) | 2022-10-28 | 2022-10-28 | Light flexible battery piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218849504U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117637887A (en) * | 2024-01-25 | 2024-03-01 | 晶科能源(海宁)有限公司 | Photovoltaic module and manufacturing method thereof |
-
2022
- 2022-10-28 CN CN202222873817.2U patent/CN218849504U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117637887A (en) * | 2024-01-25 | 2024-03-01 | 晶科能源(海宁)有限公司 | Photovoltaic module and manufacturing method thereof |
| CN117637887B (en) * | 2024-01-25 | 2024-05-17 | 晶科能源(海宁)有限公司 | Photovoltaic module and manufacturing method thereof |
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