CN116072754A - Intelligent assembly system for photovoltaic module manufacturing process - Google Patents
Intelligent assembly system for photovoltaic module manufacturing process Download PDFInfo
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- CN116072754A CN116072754A CN202310264568.3A CN202310264568A CN116072754A CN 116072754 A CN116072754 A CN 116072754A CN 202310264568 A CN202310264568 A CN 202310264568A CN 116072754 A CN116072754 A CN 116072754A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 239000011521 glass Substances 0.000 claims abstract description 160
- 238000005452 bending Methods 0.000 claims abstract description 110
- 239000002313 adhesive film Substances 0.000 claims abstract description 78
- 239000011265 semifinished product Substances 0.000 claims abstract description 39
- 238000005520 cutting process Methods 0.000 claims abstract description 28
- 238000012790 confirmation Methods 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 11
- 238000003475 lamination Methods 0.000 claims description 9
- 238000009826 distribution Methods 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims 1
- 238000010248 power generation Methods 0.000 abstract description 15
- 239000004065 semiconductor Substances 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 190
- 238000010030 laminating Methods 0.000 description 13
- 238000002360 preparation method Methods 0.000 description 12
- 238000012360 testing method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 239000012528 membrane Substances 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000002346 layers by function Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/10—Measuring as part of the manufacturing process
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Photovoltaic Devices (AREA)
Abstract
The invention relates to the technical field of semiconductor part assembly, in particular to an intelligent assembly system for a photovoltaic module manufacturing process, which comprises the following components: the surface forming module is used for assembling the glass layer into a preset surface shape according to the surface shape data; the battery forming module is used for cutting the battery layer according to the battery shape data and then assembling the battery layer into a preset battery shape; the bending module is used for preparing a bending adhesive film layer in a preset bending mode; the stacking module is used for bonding the glass layer, the bending adhesive film layer and the battery layer in a preset stacking mode to form a semi-finished product of the photovoltaic module; the central control module is used for controlling each module to finish manufacturing the photovoltaic module; according to the photovoltaic module, the photovoltaic module is bent, so that the light-gathering capacity of the glass layer in the photovoltaic module is improved, and the power generation efficiency of the photovoltaic module is effectively improved.
Description
Technical Field
The invention relates to the technical field of semiconductor part assembly, in particular to an intelligent assembly system for a photovoltaic module manufacturing process.
Background
As a core part in a photovoltaic power generation system, a photovoltaic module is also the most important part in a solar power generation system, and an assembly mode of the photovoltaic module is also rapidly developed in the progress of photovoltaic materials.
Chinese patent grant bulletin number: CN114709285B discloses an adjustable processing machine tool for continuously assembling a photovoltaic module, three feeding frames are fixedly installed on a machine tool cover, a feeding belt is rotatably installed on each feeding frame, a rotating disc is rotatably installed in the machine tool cover, a side pushing component is fixedly installed on each rotating disc, the side pushing component is used for pushing a supporting shell to horizontally move, two adjusting shells are slidably installed on each supporting shell, and through the arrangement of the feeding frames at three different positions, the adjustable processing machine tool can sequentially feed a glass cover plate, a photovoltaic cell and a bottom plate from three positions respectively, and can continuously feed the glass cover plate, the photovoltaic cell and the bottom plate by matching with corresponding components on the rotating disc, and the positions of the glass cover plate, the photovoltaic cell and the bottom plate can be adjusted by arranging two adjusting shells.
It can be seen that the above technical solution has the following problems: the preparation work of the photovoltaic module working in the low-light environment cannot be satisfied.
Disclosure of Invention
Therefore, the invention provides an intelligent assembly system for a photovoltaic module manufacturing process, which is used for solving the problem that the photovoltaic power generation efficiency is reduced because the preparation work of a photovoltaic module working in a low-light environment cannot be met in the prior art.
To achieve the above object, the present invention provides an intelligent assembly system for a photovoltaic module manufacturing process, comprising:
the surface forming module is used for determining surface shape data of the prepared photovoltaic module according to the photovoltaic module parameters and assembling the glass layer into a preset surface shape according to the surface shape data;
the battery forming module is used for determining battery shape data of the prepared photovoltaic module according to the photovoltaic module parameters, and cutting a battery layer according to the battery shape data to assemble a preset battery shape;
the bending module is used for preparing a bending adhesive film layer in a preset bending mode;
the stacking module is connected with the surface forming module, the battery forming module and the bending module and used for bonding the glass layer, the bending adhesive film layer and the battery layer in a preset stacking mode to form a semi-finished product of the photovoltaic module;
the central control module is connected with the surface forming module, the battery forming module, the bending module and the superposition module, and is used for determining parameters of the photovoltaic module through latitude corresponding to an installation area of the photovoltaic module and refractive index and thickness of the glass layer, and respectively controlling each module according to the parameters of the photovoltaic module to finish manufacturing the photovoltaic module;
the photovoltaic module parameters comprise the refractive index of the glass layer, the position of the glass bulge on the glass layer and the thickness of the glass layer;
the preset surface shape is glass shape data determined by the central control module according to the photovoltaic module parameters and a surface forming strategy, the preset battery shape data is battery shape data determined according to the mounting latitude of the photovoltaic module and the battery forming strategy, the preset bending mode is to bend the adhesive film layer according to the glass shape data, the preset stacking mode is to stack the glass layer and the bent adhesive film to form a glass stacked layer, and then the battery layer is attached to the glass stacked layer from the adhesive film layer direction of the glass stacked layer;
the surface forming strategy is to focus the parallel light transmitted through the glass layer on the surface of the corresponding battery layer, and the battery forming strategy is to cut the battery layer at a cutting interval.
Further, the superposition module includes:
a vacuum unit provided with an enclosed space for isolating from the external environment and a vacuum holding device for forming vacuum in the enclosed space;
the first attaching unit is arranged in the vacuum unit and is used for attaching the glass layer, the bending adhesive film layer and the battery layer to form a photovoltaic semi-finished product;
the second attaching unit is arranged in the vacuum unit, is connected with the first attaching unit and is used for attaching the backboard to the photovoltaic semi-finished product to form the photovoltaic module semi-finished product;
the lamination detection unit is connected with the second lamination unit and is used for carrying out parallel light detection on the semi-finished product of the photovoltaic module after lamination;
the parallel light detection is to irradiate the semi-finished photovoltaic module from the glass layer direction by using a beam of parallel laser and detect the focusing position of the semi-finished photovoltaic module.
Further, the surface forming module splices the glass layers under the site selection confirmation condition, and for the glass layers of the single photovoltaic module semi-finished product, the surface forming module splices the cut glass layers into glass layers with an included angle being a preset angle at a preset interval;
wherein the preset spacing is related to the thickness of the glass layer and the refractive index of the glass layer;
and the site selection confirmation condition is that the central control module determines the installation latitude of the photovoltaic module.
Further, the surface molding module is provided with a pre-fixing device for fixing the glass layer, the pre-fixing device pre-fixes the glass layer of the single photovoltaic module semi-finished product to form a preliminary glass layer, and the pre-fixing device comprises:
an integral fixing bracket for pre-fixing the whole of the preliminary glass layer;
the angle fixing brackets are arranged on the integral fixing brackets and used for pre-fixing the included angles between the cut glass layers;
wherein the pre-fixing and angular pre-fixing are such that the relative positions of the glass layers are mechanically fixed.
Further, the battery forming module is provided with a cutting device for cutting the battery layer, and the battery layer of the single photovoltaic module semi-finished product is cut in a preset cutting mode under the site selection confirmation condition to form a cut battery layer;
the preset cutting mode is to cut the battery layer at the cutting interval;
wherein the cutting pitch is linearly related to the preset pitch.
Further, the bending module is provided with a bending device for bending the adhesive film layer, and the bending device bends the adhesive film layer under the condition of assembly confirmation;
if the preset angle is not smaller than the maximum bending angle threshold value of the adhesive film layer, the bending module extrudes the adhesive film layer to form a prepared adhesive film layer;
if the preset angle is smaller than the maximum bending angle threshold value of the adhesive film layer, bending the adhesive film layer to form a prepared adhesive film layer;
the maximum bending angle threshold is related to the preset included angle, and is related to the thickness of the adhesive film layer and the maximum deflection of the adhesive film layer in the bending direction;
and the assembly confirmation condition is that the surface forming module assembles the glass layer of the single photovoltaic module semi-finished product into a glass layer with a preset angle.
Further, the central control module is provided with a preset fixed angle, and the central control module controls the angle fixing brackets to perform angle pre-fixing on each glass layer according to the preset fixed angle;
the central control module controls the surface forming module to set angle fixing brackets on two sides of the adjacent edges of each adjacent glass layer so as to form the preset fixed angle.
Further, for a single group of adjacent glass layers, the central control module determines the preset fixed angle according to the installation latitude of the photovoltaic module and the refractive index of the glass layers.
Further, a heater is arranged in the superposition module and is used for heating the bending adhesive film layer when the preset superposition mode is utilized for lamination;
and when the superposition module completes the manufacture of the semi-finished product of the photovoltaic module, the heater is utilized to heat the positions of the adjacent edges of the glass layers, so that the bending adhesive film layer fills the pores of the included angles of the adjacent edges of each adjacent glass layer.
Further, a plurality of glass bulges are distributed on the surface, far away from the adhesive film layer, of the glass layer in a preset distribution mode, and the sizes of the glass bulges are the same;
the preset distribution mode is that the preset intervals are distributed in a matrix mode.
Compared with the prior art, the photovoltaic module has the beneficial effects that the photovoltaic module is bent in a mode of arranging the surface forming module, the battery forming module, the bending module, the superposition module and the central control module, so that the light condensation capacity of a glass layer in the photovoltaic module is improved, and the power generation efficiency of the photovoltaic module is effectively improved.
Further, the mode of setting up vacuum unit, first laminating unit, second laminating unit and laminating detection unit is utilized, when effectively having promoted photovoltaic module's preparation efficiency, has promoted the laminating degree of each functional layer in the photovoltaic module to photovoltaic module's generating efficiency has further been promoted.
Further, through the mode of buckling the glass layer, weak light is focused, and the power generation efficiency of the photovoltaic module is further improved while the working efficiency of the photovoltaic module is effectively improved.
Further, through the mode of cutting the battery layer, the battery layer is placed at the focusing position of the glass layer, and the power generation performance of the photovoltaic module is effectively improved, and meanwhile, the power generation efficiency of the photovoltaic module is further improved.
Further, through the mode of buckling the adhesive film layer, the shape of the adhesive film layer corresponds to the glass layer, and the power generation efficiency of the photovoltaic module is further improved while the compactness of the adhesive film layer is effectively improved.
Further, the preparation process is adjusted in a mode of testing the photovoltaic semi-finished product, so that the robustness of an assembly system is effectively improved, and meanwhile, the power generation efficiency of the photovoltaic module is further improved.
Drawings
FIG. 1 is a schematic connection diagram of an intelligent assembly system for a photovoltaic module manufacturing process of the present invention;
FIG. 2 is a schematic diagram illustrating connection of a stacking module according to an embodiment of the present invention;
FIG. 3 is a schematic view of the appearance of a photovoltaic module according to an embodiment of the present invention;
FIG. 4 is a schematic view of an optical path of a photovoltaic module according to an embodiment of the present invention;
FIG. 5 is a schematic view of a bending angle of a photovoltaic module according to an embodiment of the present invention;
wherein: 1: a glass layer; 2: a glass bump; 3: bending the adhesive film layer; 4: a battery layer; 5: sunlight; 6: a first inflection point; 7: a second inflection point.
Detailed Description
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1, which is a schematic structural diagram of an intelligent assembly system for a photovoltaic module manufacturing process according to the present invention, the intelligent assembly system for a photovoltaic module manufacturing process according to the present invention includes:
the surface forming module is used for determining surface shape data of the prepared photovoltaic module according to the photovoltaic module parameters and assembling the glass layer into a preset surface shape according to the surface shape data;
the battery forming module is used for determining battery shape data of the prepared photovoltaic module according to the parameters of the photovoltaic module, and cutting a battery layer according to the battery shape data and then splicing the battery layer into a preset battery shape;
the bending module is used for preparing a bending adhesive film layer in a preset bending mode;
the stacking module is connected with the surface forming module, the battery forming module and the bending module and used for bonding the glass layer, the bending adhesive film layer and the battery layer in a preset stacking mode to form a semi-finished product of the photovoltaic module;
the central control module is connected with the surface forming module, the battery forming module, the bending module and the superposition module and is used for determining parameters of the photovoltaic module through the latitude corresponding to the installation area of the photovoltaic module and the refractive index and thickness of the glass layer, and respectively controlling each module according to the parameters of the photovoltaic module to finish manufacturing the photovoltaic module;
the photovoltaic module parameters comprise the refractive index of the glass layer, the position of the glass bulge on the glass layer and the thickness of the glass layer;
the preset surface shape is glass shape data determined by the central control module according to photovoltaic module parameters and a surface forming strategy, the preset battery shape data is battery shape data determined according to the mounting latitude of the photovoltaic module and the battery forming strategy, the preset bending mode is to bend the adhesive film layer according to the glass shape data, the preset stacking mode is to stack the glass layer and the adhesive film layer to form a glass stacked layer, and then the battery layer is attached to the glass stacked layer from the adhesive film layer direction of the glass stacked layer;
the surface forming strategy is to focus the parallel light transmitted through the glass layer on the surface of the corresponding battery layer, and the battery forming strategy is to cut the battery layer at a cutting interval.
Specifically, a plurality of glass bulges are distributed on the surface, far away from the bending adhesive film layer, of the glass layer in a preset distribution mode, and the sizes of the glass bulges are the same.
The photovoltaic module is bent in a mode of arranging the surface forming module, the battery forming module, the bending module, the superposition module and the central control module, so that the light condensation capacity of a glass layer in the photovoltaic module is improved, and the power generation efficiency of the photovoltaic module is effectively improved.
Fig. 2 is a schematic connection diagram of an overlay module according to an embodiment of the invention, which includes:
a vacuum unit provided with an enclosed space for isolating from the external environment and a vacuum holding device for forming vacuum in the enclosed space;
the first attaching unit is arranged in the vacuum unit and used for attaching the glass layer, the bending adhesive film layer and the battery layer to form a photovoltaic semi-finished product;
the second attaching unit is arranged in the vacuum unit and connected with the first attaching unit, and is used for attaching the backboard to the photovoltaic semi-finished product to form a photovoltaic module;
the laminating detection unit is connected with the second laminating unit and is used for carrying out parallel light detection on the laminated photovoltaic module;
the parallel light detection is to irradiate the photovoltaic semi-finished product from the glass layer direction by using a beam of parallel laser and detect the focusing position of the photovoltaic semi-finished product.
The mode that sets up vacuum unit, first laminating unit, second laminating unit and laminating detection unit is utilized, when effectively having promoted photovoltaic module's preparation efficiency, has promoted the laminating degree of each functional layer in the photovoltaic module to photovoltaic module's generating efficiency has further been promoted.
Fig. 3 is a schematic view showing an appearance of a photovoltaic module according to an embodiment of the invention.
Wherein, the glass layer 1 is provided with a matrix of glass bulges 2 at preset intervals, a bending adhesive film layer 3 is arranged below the matrix, and a battery layer 4 is arranged below the bending adhesive film layer 3 at preset intervals.
Fig. 4 is a schematic view of an optical path of a photovoltaic module according to an embodiment of the invention.
Wherein, sunlight 5 irradiates on the glass bulge 2 on the glass layer 1, sequentially passes through the glass layer 1, the bending adhesive film layer 3 and focuses on the battery layer 4.
Specifically, the surface forming module splices the glass layers under the site selection confirmation condition, and the surface forming module splices the cut glass layers into glass layers with an included angle being a preset angle at a preset interval for the glass layers of the single photovoltaic module semi-finished product;
wherein the preset spacing is related to the thickness of the glass layer and the refractive index of the glass layer;
and the site selection confirmation condition is that the central control module determines the latitude of the photovoltaic module installation area.
For the ith photovoltaic module, the central control module sets the refractive index of the glass layer as Ki, the latitude of the photovoltaic module mounting area as Wi, the thickness of the photovoltaic module as di, and the angle assignment of the photovoltaic module as Ai, ai=Ki×wi×di, wherein i=1, 2,3, …, n is larger than 0 and n is an integer, the central control module is provided with a preset angle assignment A alpha, compares A with A alpha to determine the bending preset angle of the photovoltaic module and the bending interval of the glass layer for adjustment,
if Ai is less than or equal to Aα, the central control module judges that the refractive index of the glass layer does not meet the preset requirement, adjusts the interval of the glass layer to a first preset interval, and adjusts the preset bending angle to a first preset angle TA1;
if Aα is smaller than Ai, the central control module judges that the refractive index of the glass layer meets the preset requirement, and judges that the glass layer is bent to a second preset angle TA2, and the interval between the glass layers is adjusted to a second preset interval;
the first preset distance is smaller than the second preset distance, the first preset angle TA1 is smaller than the second preset angle TA2, the value of the first preset angle TA1 is determined by the refractive index of the glass layer, the preset angle A alpha is a minimum photovoltaic included angle, and the value of A alpha is as follows for the latitude Wi: aα=2×wi.
Specifically, the surface shaping module is provided with a pre-fixing device for fixing the glass layer, the pre-fixing device pre-fixes the glass layer of the single photovoltaic module semi-finished product to form a preliminary glass layer, and the pre-fixing device comprises:
the integral fixing bracket is used for pre-fixing the whole preparation glass layer;
the angle fixing brackets are arranged on the integral fixing bracket and used for pre-fixing the angles of the cut glass layers;
wherein the pre-fixing and the angle pre-fixing are to mechanically fix the relative positions of the glass layers.
Through the mode of buckling the glass layer, weak light is focused, and the power generation efficiency of the photovoltaic module is further improved while the working efficiency of the photovoltaic module is effectively improved.
Specifically, the battery forming module is provided with a cutting device for cutting the battery layer, and under the condition of site selection confirmation, the battery layer of the single photovoltaic module semi-finished product is cut in a preset cutting mode to form a cut battery layer;
the preset cutting mode is to cut the battery layer at cutting intervals;
wherein, the cutting interval is linearly related to the preset interval.
Through the mode of cutting the battery layer, the battery layer is placed at the focusing position of the glass layer, and the power generation efficiency of the photovoltaic module is further improved while the power generation performance of the photovoltaic module is effectively improved.
Specifically, the bending module is provided with a bending device for bending the adhesive film layer, and the bending device bends the adhesive film layer under the condition of assembly confirmation;
if the preset angle is not smaller than the maximum bending angle threshold value of the adhesive film layer, the bending module extrudes the adhesive film layer to form a prepared adhesive film layer;
if the preset angle is smaller than the maximum bending angle threshold value of the adhesive film layer, bending the adhesive film layer to form a prepared adhesive film layer;
wherein the bending device comprises a bending function and an extrusion function;
the maximum bending angle threshold is related to a preset included angle, and is related to the thickness of the adhesive film layer and the maximum deflection of the adhesive film layer in the bending direction;
the assembly confirmation condition is that the surface forming module assembles the glass layers of the single photovoltaic module semi-finished product into glass layers with preset angles.
Fig. 5 is a schematic view illustrating a bending angle of a photovoltaic module according to an embodiment of the invention.
Wherein, the glass layer 1 forms a bending angle at the same position as the first bending point 6, the bending adhesive film layer 3 is bent at the first bending point 6, and a second bending point 7 is arranged at the corresponding position of the central line of the glass layer 1.
The bending module is provided with the maximum deflection corresponding to the adhesive film layer, which corresponds to the maximum bending angle threshold value T alpha, and the T alpha is compared with the bending angle Ti of the ith photovoltaic module to determine the bending strategy,
if Ti is less than or equal to T alpha, the bending module determines to bend the adhesive film layer by a first bending strategy;
if Ti is larger than T alpha, the bending module determines to bend the adhesive film layer by a second bending strategy;
wherein the first bending strategy is to bend the first bending point by a bending angle Ti; the second bending strategy is to bend the first bending point by a bending angle Ti and bend the second bending point by a preset compensation bending mode;
the preset compensation bending mode is to bend the second bending point towards the direction opposite to the first bending point into an elastic section of the bending adhesive film layer, and the maximum bending angle threshold T alpha is determined by the maximum yield strength of the adhesive film layer.
Through the mode of buckling to buckling the glued membrane layer, will buckle the shape and the glass layer correspondence of glued membrane layer, when effectively having promoted the compactness of glued membrane layer laminating of buckling, further promoted photovoltaic module's generating efficiency.
Specifically, the first attaching unit attaches the glass layer and the bending adhesive film layer under the condition of preliminary superposition;
the first attaching unit is used for enabling the prepared bending adhesive film layer to contact with the prepared glass layer from the geometric center and attaching the prepared bending adhesive film layer to the edge of the prepared glass layer;
the preparation superposition condition is that the surface forming module completes preparation of the preparation glass layer, and the bending module completes preparation of the preparation bending adhesive film layer.
Specifically, the central control module is provided with a preset fixed angle, and the central control module controls the angle fixing brackets to perform angle pre-fixing on each glass layer according to the preset fixed angle;
for each adjacent glass layer, the central control module controls the surface forming module to set angle fixing brackets on two sides of the adjacent edges of the central control module so as to form a preset fixed angle.
The preset fixed angle is related to the latitude of the installation area of the photovoltaic module and the focal length of each glass bulge, the latitude of the installation area of the ith photovoltaic module is Wi, the focal length of each glass layer bulge is Qi, and the central control module sets the preset fixed angle to be Li, li=wi+ (qi×gamma);
wherein, gamma is an angle adjustment value which is linearly related to the refractive offset of the glass layer;
the refractive offset is the distance between the actual position of the non-convex position of the parallel light irradiated on the glass layer at an angle of 45 degrees and the corresponding plane of the battery layer and the extension line of the parallel light.
Specifically, for a single group of adjacent glass layers, the central control module determines a preset fixed angle according to the latitude of the photovoltaic module installation area and the refractive index of the glass layer.
Specifically, the first attaching unit attaches the battery layers in the direction of bending the adhesive film layer in the glass superimposed layer at preset intervals under the condition that the glass superimposed layer is completed, so as to form a photovoltaic semi-finished product;
the glass superimposed layer is finished by attaching the prepared bending adhesive film layer and the prepared glass layer.
Specifically, a heater is arranged in the superposition module and is used for heating the bending adhesive film layer when the superposition module is used for lamination in a preset superposition mode;
and when the superposition module completes the manufacture of the semi-finished product of the photovoltaic module, the heater is utilized to heat the positions of the adjacent edges of the glass layers, so that the bending adhesive film layer fills the pores of the included angles of the adjacent edges of each adjacent glass layer.
Specifically, the central control module controls the lamination detection unit to test the photovoltaic semi-finished product, determines whether the finished photovoltaic module is qualified according to the test, and alarms and adjusts the preset interval according to the test result if the photovoltaic module with the continuously preset qualified threshold times is unqualified.
Specifically, the vacuum unit stops working and running when the first laminating unit finishes the photovoltaic semi-finished product, and the central control module controls the laminating detection unit to detect the photovoltaic semi-finished product.
The preparation process is adjusted in a mode of testing the photovoltaic semi-finished product, so that the robustness of an assembly system is effectively improved, and meanwhile, the power generation efficiency of the photovoltaic module is further improved.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the invention; various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An intelligent assembly system for a photovoltaic module manufacturing process, comprising:
the surface forming module is used for determining surface shape data of the prepared photovoltaic module according to the photovoltaic module parameters, and cutting and assembling the glass layer into a preset surface shape according to the surface shape data;
the battery forming module is used for determining battery shape data of the prepared photovoltaic module according to the photovoltaic module parameters, and cutting a battery layer according to the battery shape data to assemble a preset battery shape;
the bending module is used for preparing a bending adhesive film layer in a preset bending mode;
the stacking module is connected with the surface forming module, the battery forming module and the bending module and used for bonding the glass layer, the bending adhesive film layer and the battery layer in a preset stacking mode to form a semi-finished product of the photovoltaic module, and packaging the semi-finished product of the photovoltaic module to form the photovoltaic module;
the central control module is connected with the surface forming module, the battery forming module, the bending module and the superposition module, and is used for determining parameters of the photovoltaic module through the installation latitude of the photovoltaic module and the refractive index and the thickness of the glass layer, and respectively controlling each module according to the parameters of the photovoltaic module to finish manufacturing of semi-finished products of the photovoltaic module; the surface of the glass layer far away from the adhesive film layer is provided with a plurality of glass bulges in a preset distribution mode, and the parameters of the photovoltaic module comprise the refractive index of the glass layer, the positions of the glass bulges on the glass layer and the thickness of the glass layer;
the preset surface shape is glass shape data determined by the central control module according to the photovoltaic module parameters and a surface forming strategy, the preset battery shape data is battery shape data determined according to the mounting latitude of the photovoltaic module and the battery forming strategy, the preset bending mode is to bend the adhesive film layer according to the glass shape data, the preset stacking mode is to stack the glass layer and the bent adhesive film to form a glass stacked layer, and then the battery layer is attached to the glass stacked layer from the adhesive film layer direction of the glass stacked layer;
the surface forming strategy is to focus the parallel light transmitted through the glass layer on the surface of the corresponding battery layer, and the battery forming strategy is to cut the battery layer at a cutting interval.
2. The intelligent assembly system for a photovoltaic module manufacturing process of claim 1, wherein the overlay module comprises:
a vacuum unit provided with an enclosed space for isolating from the external environment and a vacuum holding device for forming vacuum in the enclosed space;
the first attaching unit is arranged in the vacuum unit and is used for attaching the glass layer, the bending adhesive film layer and the battery layer to form a photovoltaic semi-finished product;
the second attaching unit is arranged in the vacuum unit, is connected with the first attaching unit and is used for attaching the backboard to the photovoltaic semi-finished product to form the photovoltaic module semi-finished product;
the lamination detection unit is connected with the second lamination unit and is used for carrying out parallel light detection on the semi-finished product of the photovoltaic module after lamination;
the parallel light detection is to irradiate the semi-finished photovoltaic module from the glass layer direction by using a beam of parallel laser and detect the focusing position of the semi-finished photovoltaic module.
3. The intelligent assembly system for the photovoltaic module manufacturing process according to claim 2, wherein the surface forming module splices glass layers under site selection confirmation conditions, and for the glass layers of the single photovoltaic module semi-finished product, the surface forming module splices the cut glass layers into glass layers with an included angle of a preset angle at a preset interval;
wherein the preset spacing is related to the thickness of the glass layer and the refractive index of the glass layer;
and the site selection confirmation condition is that the central control module determines the installation latitude of the photovoltaic module.
4. The intelligent assembly system for a photovoltaic module manufacturing process according to claim 3, wherein the surface forming module is provided with a pre-fixing device for fixing the glass layer, the pre-fixing device pre-fixing the glass layer of the single photovoltaic module semi-finished product to form a preliminary glass layer, the pre-fixing device comprising:
an integral fixing bracket for pre-fixing the whole of the preliminary glass layer;
the angle fixing brackets are arranged on the integral fixing brackets and used for pre-fixing the included angles between the cut glass layers;
wherein the pre-fixing and angle pre-fixing are to mechanically fix the glass layer.
5. The intelligent assembly system for a photovoltaic module manufacturing process according to claim 4, wherein the cell forming module is provided with a cutting device for cutting the cell layers, which cuts the cell layers of the single photovoltaic module semi-finished product in a preset cutting manner under the site selection confirmation condition to form cut cell layers;
the preset cutting mode is to cut the battery layer at the cutting interval;
wherein the cutting pitch is linearly related to the preset pitch.
6. The intelligent assembly system for a photovoltaic module manufacturing process according to claim 5, wherein the bending module is provided with a bending device for bending the adhesive film layer, and bending the adhesive film layer under assembly confirmation conditions;
if the preset angle is not smaller than the maximum bending angle threshold value of the adhesive film layer, the bending module extrudes the adhesive film layer to form a prepared adhesive film layer;
if the preset angle is smaller than the maximum bending angle threshold value of the adhesive film layer, bending the adhesive film layer to form a prepared adhesive film layer;
the maximum bending angle threshold is related to the preset included angle, and is related to the thickness of the adhesive film layer and the maximum deflection of the adhesive film layer in the bending direction;
and the assembly confirmation condition is that the surface forming module assembles the glass layer of the single photovoltaic module semi-finished product into a glass layer with a preset angle.
7. The intelligent assembly system for the photovoltaic module manufacturing process according to claim 6, wherein the central control module is provided with a preset fixed angle, and the central control module controls the angle fixing brackets to perform angle pre-fixing on each glass layer according to the preset fixed angle;
the central control module controls the surface forming module to set angle fixing brackets on two sides of the adjacent edges of each adjacent glass layer so as to form the preset fixed angle.
8. The intelligent assembly system for a photovoltaic module manufacturing process according to claim 7, wherein the central control module determines the preset fixed angle for a single set of adjacent glass layers based on a latitude of installation of a photovoltaic module and a refractive index of the glass layers.
9. The intelligent assembly system for a photovoltaic module manufacturing process according to claim 8, wherein a heater is provided in the stacking module for heating the folded adhesive film layer when the stacking is performed by the preset stacking manner;
and when the superposition module completes the manufacture of the semi-finished product of the photovoltaic module, the heater is utilized to heat the positions of the adjacent edges of the glass layers, so that the bending adhesive film layer fills the pores of the included angles of the adjacent edges of each adjacent glass layer.
10. The intelligent assembly system for a photovoltaic module manufacturing process according to claim 9, wherein each of the glass protrusions has the same size, and the predetermined distribution pattern is distributed in a matrix at the predetermined pitch.
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| US20130209776A1 (en) * | 2010-10-13 | 2013-08-15 | Min-Hyuk Kim | Back sheet of a solar cell module for photovoltaic power generation |
| US20130319524A1 (en) * | 2012-05-01 | 2013-12-05 | Prism Solar Technologies Incorporated | Solar energy concentrator with multiplexed diffraction gratings |
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