阅读说明：本技术 一种无热斑光伏组件及其加工工艺 (Non-hot spot photovoltaic module and processing technology thereof ) 是由 缪清 陈守辉 苏青梅 于 2020-11-27 设计创作，主要内容包括：本发明公开了一种无热斑光伏组件及其加工工艺,包括若干组电池串、上玻璃层、上胶膜层、下胶膜层和下玻璃层,每组所述电池串均包括由多个电池片,每个所述电池片的一侧均设置有二极管,相邻两组的所述电池串之间通过汇流条连接,每个所述电池片的外侧均设置有导电环,所述上胶膜层和下胶膜层分别设置于电池串的上下两端,且所述上玻璃层和下玻璃层分别设置于上胶膜层和下胶膜层的上下两端。本发明通过设置有两组检测工序,能够防止将导电环焊接后检测出不合格产品时造成导电环和互联条、汇流条的浪费,而且本发明对无热斑光伏组件加工过程自动化程度高,可以有效提高无热斑光伏组件的加工效率,减少资源的浪费。(The invention discloses a non-hot spot photovoltaic module and a processing technology thereof, and the non-hot spot photovoltaic module comprises a plurality of groups of battery strings, an upper glass layer, an upper adhesive film layer, a lower adhesive film layer and a lower glass layer, wherein each group of battery strings comprises a plurality of battery pieces, one side of each battery piece is provided with a diode, two adjacent groups of battery strings are connected through a bus bar, the outer side of each battery piece is provided with a conducting ring, the upper adhesive film layer and the lower adhesive film layer are respectively arranged at the upper end and the lower end of each battery string, and the upper glass layer and the lower glass layer are respectively arranged at the upper end and the lower end of the upper adhesive film layer and the lower adhesive film layer. The invention can prevent the waste of the conducting ring, the interconnecting bar and the bus bar when unqualified products are detected after the conducting ring is welded by arranging two groups of detection procedures, has high automation degree on the processing process of the hot spot-free photovoltaic module, can effectively improve the processing efficiency of the hot spot-free photovoltaic module and reduce the waste of resources.)

1. The utility model provides a no hot spot photovoltaic module, includes a plurality of groups battery cluster, goes up glass layer (5), rubberizing rete (6), lower rubberizing rete (7) and lower glass layer (8), its characterized in that: every group the battery cluster all includes by a plurality of battery pieces (1), adjacent two constitute, every through interconnection bar (2) between battery piece (1) one side of battery piece (1) all is provided with diode (3), and is adjacent two sets of connect, every through busbar (4) between the battery cluster the outside of battery piece (1) all is provided with conducting ring (9), rubberizing rete (6) and lower rubberizing rete (7) set up respectively in the upper and lower both ends of battery cluster, just go up glass layer (5) and lower glass layer (8) and set up respectively in the upper and lower both ends of rubberizing rete (6) and lower rubberizing rete (7).

2. The athermal photovoltaic module of claim 1, wherein: the interconnection bar (2) and the bus bar (4) adopt one of photovoltaic solder strips, conductive adhesive tapes or conductive adhesives.

3. The athermal photovoltaic module of claim 1, wherein: the diode (3) is fixedly arranged on the battery piece (1), and the diode (3) is a piece type diode.

4. The pv module and process of claim 1, wherein the pv module comprises: the inner side of the conducting ring (9) close to the cell (1) is provided with a reflecting structure (10), and the reflecting structure (10) is a sawtooth-shaped raised line.

5. The process according to any one of claims 1 to 4, wherein the process comprises the steps of: the method specifically comprises the following steps:

the method comprises the following steps: in the welding process, a plurality of battery pieces (1) are welded by using the interconnection bars (2) to form a battery string, the battery pieces (1) are welded by using the interconnection bars (2), and simultaneously, the diode (3) is welded on one side of the battery pieces (1) in the welding process to form an independent battery string;

step two: the welded battery strings enter a typesetting process in the step one, the battery strings are uniformly arranged in sequence by utilizing the typesetting process and then are led into a detection process, the appearance of the battery strings is detected by utilizing the detection process, the other surface of the battery strings is turned over by utilizing a turning assembly to face the detection process after the detection is finished, and the welding process is led into the battery strings again after the detection of the two end surfaces of the battery strings is finished;

step three: respectively welding the conducting rings (9) at the outer sides of the battery pieces in the battery strings, then welding the ends of the battery strings together by using the bus bars (4) to form a battery piece layer, and then guiding the formed battery piece layer into the detection process again;

step four: detecting the appearance and EL of the battery sheet layer by using a detection process, turning the other surface of the battery sheet layer to face the detection process by using a turning assembly after the detection is finished, and detecting the other end surface of the battery sheet layer by using a detection process;

step five: and conveying the detected cell sheet layer to a laminating process, conveying the cell sheet layer to the position above a lower glass layer (8) in the laminating process, paving a sizing film layer (6) above the cell sheet layer, and laminating an upper glass layer (5) by utilizing the laminating process to form the hot spot-free photovoltaic module.

6. The process according to claim 5, wherein the process comprises the steps of: one end of an interconnection bar (2) between two battery pieces (1) in the first step is located above the battery piece (1), the other end of the interconnection bar is arranged above the other battery piece (1), a three-dimensional welding machine is adopted in the welding process in the first step, the battery pieces (1) and diodes (3) can be welded while the battery pieces (1) and the interconnection bar (2) are welded, the diodes (3) are placed in a disc feeding machine, and the output end of the disc feeding machine is connected with the feeding end of the three-dimensional welding machine.

7. The process according to claim 5, wherein the process comprises the steps of: and in the second step, the appearance of the battery string is detected by the detection process, the appearance detection is used for detecting whether foreign matters or dirt exist on the battery string and whether each battery piece (1) in the battery string is damaged, if the detection process detects that the battery string contains the unqualified battery string with foreign matters, dirt or corner defects, breakage and damage of the battery pieces, the detection process transmits the unqualified battery string to a recycling box, and the qualified battery string is transmitted to the second welding process.

8. The process according to claim 5, wherein the process comprises the steps of: and in the third step, the conducting rings are placed on the outer sides of the battery pieces in the battery strings through the mechanical arm, the conducting rings and the interconnection bars are welded together through a welding process, and the two adjacent groups of battery strings are welded together through the bus bars.

9. The process according to claim 5, wherein the process comprises the steps of: and in the step four, the appearance and EL detection of the battery sheet layer are performed in the detection process, the appearance detection is used for detecting the angle of a conducting ring (9) on the battery sheet layer and the position of a reflecting structure (10) inside the conducting ring (9), the EL detection is used for detecting whether the battery sheet layer has internal defects, and two electrified motors of the EL correspond to the bus bars (4) at the two ends of the battery sheet layer.

10. The process according to claim 5, wherein the process comprises the steps of: and in the fifth step, the middle laminating process comprises an automatic feeding conveyer belt, a laying process and a movable sucker of the lower glass layer (5) and the lower glass layer (8), the lower glass layer and the upper glass layer are conveyed to a laminating operation table by the automatic feeding conveyer belt, the lower glass layer (5) and the upper glass layer (8) are moved to a specified position by the movable sucker, a glue film layer is laid on the lower glass layer and the battery sheet layer by the laying process, and then the lamination is carried out to form the hot spot-free photovoltaic module.

Technical Field

The invention relates to the technical field of X, in particular to a hot spot-free photovoltaic module and a processing technology thereof.

Background

The new-source solar intelligent non-heat spot photovoltaic module core technology comprises the following steps: a bypass diode protects a cell. When a cell in the assembly and the assembly current are configured, the cell is in a reverse bias state. But at the moment, the reverse voltage born by the battery is only larger than the starting voltage (0.6V) of the bypass diode, and the voltage of other good battery plates in the battery string in the traditional battery component is not needed to be overcome to enable the bypass diode to work. The problem is that the battery plate bears small back pressure, consumes less power and generates low temperature. Meanwhile, only the power of the battery piece is bypassed, and the power generation of other battery pieces which normally work is not influenced.

The hot spot-free component generates 80% more power than the conventional component under the condition of multi-battery shielding; the problem of assembly output power reduction caused by hot spots of a battery piece or assembly shielding is greatly improved, and meanwhile, due to the self optimizer function, current and voltage mismatch in an assembly string is reduced, and system benefits of a distributed power station and a ground power station are improved; the temperature generated by the hot spot battery is greatly reduced from the current 160 ℃ to below 85 ℃, the potential safety hazards of component ignition and packaging material failure caused by the high temperature of the hot spots are thoroughly eliminated, the safety of a power station is improved, and the long-term reliability of the components and the long-term operation income of the power station are guaranteed.

Traditional no hot spot photovoltaic module structure is last glass layer, rubberizing rete, battery cluster layer, lower rubberizing rete and lower glass layer in proper order, and in order to improve no hot spot photovoltaic module's power, people often post the reflective membrane between the battery piece, but the current no hot spot photovoltaic module reflective membrane of pasting the difficulty, the yield is lower moreover, and the preparation technology is complicated, is unsuitable to popularize and promote.

Disclosure of Invention

The present invention is directed to a non-hot spot photovoltaic module and a processing method thereof, so as to solve the problems mentioned in the background art.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a no hot spot photovoltaic module and processing technology thereof, includes a plurality of battery clusters, goes up glass layer, rubberizing rete, lower rubberizing rete and lower glass layer, every group the battery cluster all includes by a plurality of battery pieces, adjacent two constitute, every through the interconnection strip between the battery piece one side of battery piece all is provided with the diode, and is adjacent two sets of connect through the busbar between the battery cluster, every the outside of battery piece all is provided with the conducting ring, rubberizing rete and lower rubberizing rete set up respectively in the upper and lower both ends of battery cluster, just go up glass layer and lower glass layer and set up respectively in the upper and lower both ends of rubberizing rete and lower rubberizing rete.

In a preferred embodiment, the interconnection bars and the bus bars are one of photovoltaic solder strips, conductive adhesive tapes or conductive adhesives.

In a preferred embodiment, the diode is fixedly arranged on the battery plate, and the diode is a plate diode.

In a preferred embodiment, the conductive ring is provided with a reflection structure near the inner side of the cell, and the reflection structure is a sawtooth-shaped raised line.

The invention also provides a processing technology of the non-hot spot photovoltaic module, which specifically comprises the following steps:

the method comprises the following steps: in the welding process, a plurality of battery pieces are welded by using the interconnection bars to form a battery string, and the battery pieces are welded by using the interconnection bars, and meanwhile, the diode is welded on one side of the battery pieces in the welding process to form an independent battery string;

step two: the welded battery strings enter a typesetting process in the step one, the battery strings are uniformly arranged in sequence by utilizing the typesetting process and then are led into a detection process, the appearance of the battery strings is detected by utilizing the detection process, the other surface of the battery strings is turned over by utilizing a turning assembly to face the detection process after the detection is finished, and the welding process is led into the battery strings again after the detection of the two end surfaces of the battery strings is finished;

step three: respectively welding the conducting rings at the outer sides of the battery pieces in the battery strings, then welding the ends of the battery strings together by using the bus bars to form a battery piece layer, and then guiding the formed battery piece layer into the detection process again;

step four: detecting the appearance and EL of the battery sheet layer by using a detection process, turning the other surface of the battery sheet layer to face the detection process by using a turning assembly after the detection is finished, and detecting the other end surface of the battery sheet layer by using a detection process;

step five: and conveying the detected cell sheet layer to a laminating process, conveying the cell sheet layer to the position above a lower glass layer in the laminating process, paving a sizing film layer above the cell sheet layer, and laminating the upper glass layer by utilizing the laminating process to form the hot spot-free photovoltaic module.

In a preferred embodiment, in the first step, one end of the interconnection bar between two battery pieces is located above one battery piece, and the other end of the interconnection bar is arranged above the other battery piece, in the first step, a three-dimensional welding machine is adopted in the welding process, so that the battery pieces and the interconnection bar can be welded, meanwhile, the battery pieces and the diodes are welded, the diodes are placed in a disc feeding machine, and the output end of the disc feeding machine is connected with the feed end of the three-dimensional welding machine.

In a preferred embodiment, in the second step, the detection process detects the appearance of the battery string, the appearance detection is used for detecting whether foreign matters or dirt exist on the battery string and whether each battery piece in the battery string is damaged, if the detection process detects that the battery string contains the foreign matters or dirt or the battery pieces have corner defects and are broken and damaged, the detection process transmits the unqualified battery string to the recycling box, and the detected qualified battery string is transmitted to the second welding process;

in a preferred embodiment, in the third step, the conductive rings are placed outside the battery pieces in the battery strings by a mechanical arm, the conductive rings and the interconnection bars are welded together by a welding process, and two adjacent sets of battery strings are welded together by the bus bars.

In a preferred embodiment, in the step four, the appearance detection and the EL detection of the cell sheet are performed, the appearance detection is used for detecting the angle of a conductive ring on the cell sheet and the position of a reflective structure inside the conductive ring, the EL detection is used for detecting whether the cell sheet has an internal defect, and two motors which are powered on the EL correspond to bus bars at two ends of the cell sheet.

In a preferred embodiment, the step five middle lamination process comprises an automatic feeding conveyer belt for the lower glass layer and the lower glass layer, a laying process and a movable sucker, wherein the automatic feeding conveyer belt is used for conveying the lower glass layer and the upper glass layer to a lamination operation table, the movable sucker is used for moving the lower glass layer and the upper glass layer to specified positions, the laying process is used for laying a film layer on the lower glass layer and the cell layer, and then the lamination is carried out to form the non-hot spot photovoltaic module.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention utilizes a three-dimensional welding machine in the welding process to weld a plurality of battery pieces by utilizing the interconnection bars to form a battery string, automatically welds a diode on each battery piece, utilizes the detection process to detect the welded battery string, then utilizes the welding machine to weld a conducting ring on the outer side of the battery piece again, utilizes a manipulator to transfer and fix the conducting ring, the inner side of the conducting ring is provided with a reflecting structure, utilizes the conducting ring to replace the traditional reflecting film, the installation of a reflecting component in a photovoltaic component, and utilizes the detection process to detect the position and the angle of the conducting ring, so that the reflecting structure on the inner side of the conducting ring is parallel to the side wall of the battery piece, the yield of the non-hot spot photovoltaic component is improved, and through the arrangement of two groups of detection processes, the waste of the interconnection bars and the bus bars when unqualified products are detected after the, the automation degree of the processing process of the non-hot spot photovoltaic module is high, the processing efficiency of the non-hot spot photovoltaic module can be effectively improved, and the waste of resources is reduced;

2. according to the invention, the reflective film is replaced by the conductive ring, the reflecting structure is arranged on the inner side of the conductive ring, the power of the photovoltaic module without hot spots can be effectively improved, the installation of the reflecting structure is convenient, and each battery piece is respectively provided with one diode.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic cross-sectional structural view of the present invention;

fig. 2 is a schematic view of the structure of a battery string according to the present invention;

FIG. 3 is a schematic view of a cell laminate according to the present invention;

FIG. 4 is a schematic diagram of a conductive ring according to the present invention;

FIG. 5 is a schematic structural view of a reflective structure of the present invention;

in the figure: 1, a battery piece; 2 interconnecting strips; 3, a diode; 4 a bus bar; 5, covering a glass layer; 6 gluing a film layer; 7, laying an adhesive film layer; 8, lower glass layer; 9 conducting ring; 10 reflective structure.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the invention provides a non-hot spot photovoltaic module and a processing process thereof, wherein each group of cell strings comprises a plurality of cell pieces 1, two adjacent cell pieces 1 are formed by interconnection bars 2, one side of each cell piece 1 is provided with a diode 3, two adjacent groups of cell strings are connected by a bus bar 4, the outer side of each cell piece 1 is provided with a conducting ring 9, the upper adhesive film layer 6 and the lower adhesive film layer 7 are respectively arranged at the upper end and the lower end of the cell string, and the upper glass layer 5 and the lower glass layer 8 are respectively arranged at the upper end and the lower end of the upper adhesive film layer 6 and the lower adhesive film layer 7.

In a preferred embodiment, the interconnection bar 2 and the bus bar 4 are one of a photovoltaic solder strip, a conductive adhesive tape or a conductive adhesive.

In a preferred embodiment, the diode 3 is fixedly arranged on the battery piece 1, and the diode 3 is a chip diode.

In a preferred embodiment, the conductive ring 9 is provided with a reflective structure 10 near the inner side of the battery sheet 1, and the reflective structure 10 is a sawtooth-shaped convex strip.

The invention also provides a processing technology of the non-hot spot photovoltaic module, which specifically comprises the following steps:

the method comprises the following steps: in the welding process, a plurality of battery pieces 1 are welded by using the interconnection bars 2 to form a battery string, the battery pieces 1 are welded by using the interconnection bars 2, and simultaneously, the diode 3 is welded on one side of the battery pieces 1 in the welding process to form an independent battery string;

in the first step, the chip diodes 3 are placed in a disc feeding machine, the disc feeding machine conveys the chip diodes 3 to a designated position in a welding process in an orderly arrangement manner, the battery pieces 1 and the interconnection bars 2 are arranged at uniform intervals on a conveying belt of the welding process according to the sequence of the battery pieces 1, the interconnection bars 2 and the battery pieces 1, one end of the interconnection bar 2 is placed below one battery piece 1, the other end of the interconnection bar 2 is placed above the other battery piece 1, the battery pieces 1 and the interconnection bars 2 are conveyed to a welding position by the conveying belt in the welding process to weld the battery pieces 1 and the interconnection bars 2, then the chip diodes 3 conveyed by the disc feeding machine are welded with the battery pieces 1, a plurality of battery pieces 1 are welded by the interconnection bars 2 to form a battery string and then are welded with the chip diodes 3, and the welding effect of the chip diodes 3 is better, when the battery piece 1 and the chip diode 3 are independently welded, the battery piece 1 is prevented from being unstable, the installation yield of the chip diode 3 is low, and finally a plurality of battery pieces 1 are welded to form a battery string, as shown in fig. 2.

Step two: the welded battery strings enter a typesetting process in the step one, the battery strings are uniformly arranged in sequence by utilizing the typesetting process and then are led into a detection process, the appearance of the battery strings is detected by utilizing the detection process, the other surface of the battery strings is turned over by utilizing a turning assembly to face the detection process after the detection is finished, and the welding process is led into the battery strings again after the detection of the two end surfaces of the battery strings is finished;

in the second step, the battery strings are placed in the typesetting procedure with all the front faces facing upwards, the battery strings are arranged in order in the typesetting procedure and are conveyed to the detection procedure, the detection procedure utilizes the detection camera to collect images on the front faces of the battery strings, and outputting the collected image to a detection process control system, detecting the appearance of each battery string by using the control system, detecting whether the battery string contains foreign matters or dirt, if detecting that the battery string contains unqualified products such as foreign matters, the unqualified product that will detect out is carried in the collection box, and the staff clears up unqualified product, and along with the removal of battery cluster in the detection process, the upset subassembly can overturn 180 with the battery cluster, with the back of battery cluster up, utilizes the detection camera in the detection process to detect the back of battery cluster, also carries the clearance in the collection box if detect out unqualified product.

Step three: respectively welding the conducting rings 9 at the outer sides of the battery pieces in the battery strings, then welding the ends of the battery strings together by using the bus bars 4 to form a battery piece layer, and then guiding the formed battery piece layer into the detection process again;

and in the third step, the conducting rings are taken out from the feeding device by using the manipulator, the detected battery strings are uniformly arranged and conveyed to the welding process by using the typesetting process before welding, then the conducting rings taken from the manipulator are placed on the outer side of each battery piece in the battery strings, the conducting rings and the battery strings are welded together by using a welding machine in the welding process, then two end parts of the battery strings are respectively welded, and the end parts of two adjacent battery strings are welded together by using a bus bar, so that the battery piece layers are formed, as shown in fig. 3.

Step four: detecting the appearance and EL of the battery sheet layer by using a detection process, turning the other surface of the battery sheet layer to face the detection process by using a turning assembly after the detection is finished, and detecting the other end surface of the battery sheet layer by using a detection process;

in the fourth step, the battery sheet layer entering the detection process is typeset through the typesetting process and then all the front sides of the battery sheet layer uniformly enter upwards, the appearance and the EL of the battery sheet layer are detected by using the detection camera and the EL detection system in the detection process, the front sides of the battery sheet layer are subjected to image acquisition by using the detection camera, the front side image of the battery sheet layer is analyzed by using the detection control system, the angle of the conducting ring and the position of the reflecting structure are analyzed, the reflecting structure at the inner side of the conducting ring is vertical to the horizontal direction of the battery sheets in the battery string, so that the reflecting effect of the transmitting structure at the inner side of the conducting ring is better, if the included angle generated in the horizontal direction of the conducting ring and the battery sheets reaches a certain value or the position of the reflecting structure is incorrect, the detection control system judges that the battery sheet layer is unqualified, the unqualified battery sheet, can avoid direct physical contact and the pressure damage risk to the battery piece, also carry the collection box to handle when the battery lamella appears when EL detects contains internal defect when, then utilize the upset subassembly to overturn 180 with the battery lamella, utilize the detection process to detect the back of battery lamella, carry the collection box with unqualified battery lamella, during the lamination process is carried to qualified battery lamella.

Step five: conveying the detected cell sheet layer to a laminating process, conveying the cell sheet layer to the position above a lower glass layer 8 in the laminating process, paving a sizing film layer 6 above the cell sheet layer, and then pressing an upper glass layer 5 to form a hot spot-free photovoltaic module by utilizing the laminating process;

and fifthly, respectively conveying the upper glass layer and the lower glass layer to two ends of a laminating process by using automatic feeding conveying belts of the lower glass layer and the upper glass layer, adsorbing and moving the lower glass layer to the laminating process by using a movable sucker, laying a lower adhesive film on the upper end of the lower glass layer by using a laying process, stopping moving when the cell sheet layer moves to the upper part of the lower glass layer, laying an upper adhesive film on the upper part of the cell sheet layer by using the laying process, adsorbing and moving the upper glass layer to the upper part of the cell sheet layer by using the movable sucker, and laminating the upper glass layer, the upper adhesive film, the cell sheet layer, the lower adhesive film and the lower glass layer by using laminating equipment to form the hot spot-free photovoltaic module.

In a preferred embodiment, in the first step, one end of the interconnection bar 2 between the two battery pieces 1 is located above one battery piece 1, and the other end of the interconnection bar 2 is arranged above the other battery piece 1, in the first step, a three-dimensional welding machine is adopted in the welding process, so that the battery pieces 1 and the diode 3 can be welded while the battery pieces 1 and the interconnection bar 2 are welded, the diode 3 is placed in a disc feeding machine, and the output end of the disc feeding machine is connected with the feed end of the three-dimensional welding machine.

In a preferred embodiment, in the second step, the detection process detects the appearance of the battery string, the appearance detection is used for detecting whether foreign matters or dirt exist on the battery string and whether each battery piece 1 in the battery string is damaged, if the detection process detects that unqualified battery strings containing foreign matters, dirt or broken corners and broken damages of the battery pieces exist on the battery string, the detection process transmits the unqualified battery strings to a recovery box, and the qualified battery strings are transmitted to the second welding process;

in a preferred embodiment, in the third step, the conductive rings are placed outside the battery pieces in the battery strings by a mechanical arm, the conductive rings and the interconnection bars are welded together by a welding process, and two adjacent sets of battery strings are welded together by the bus bars.

In a preferred embodiment, in the step four, the appearance detection step is used for detecting the angle of the conductive ring 9 on the cell sheet layer and the position of the reflective structure 10 inside the conductive ring 9, and the EL detection step is used for detecting whether the cell sheet layer has an internal defect, and two motors for energizing the EL correspond to the bus bars 4 at two ends of the cell sheet layer.

In a preferred embodiment, the step five middle lamination process comprises an automatic feeding conveyer belt for the lower glass layer and the lower glass layer, a laying process and a movable sucker, wherein the automatic feeding conveyer belt is used for conveying the lower glass layer and the upper glass layer to a lamination operation table, the movable sucker is used for moving the lower glass layer and the upper glass layer to specified positions, the laying process is used for laying a film layer on the lower glass layer and the cell layer, and then the lamination is carried out to form the non-hot spot photovoltaic module.

Adopt 10 the same no hot spot photovoltaic module and conventional photovoltaic module respectively, no hot spot photovoltaic module and conventional photovoltaic module are 10 battery strings and constitute, every battery string contains six battery pieces and constitutes, test no hot spot photovoltaic module and conventional photovoltaic module respectively and do not have the power value of keeping out, shelter from a battery piece, shelter from three battery pieces and shelter from no hot spot photovoltaic module and conventional photovoltaic module under the circumstances of six battery pieces, take the test average value of no hot spot photovoltaic module and conventional photovoltaic module respectively, and detect a batch of no hot spot photovoltaic module yields of production (this batch of no hot spot photovoltaic module quantity of detecting is 1000), the test result is like table one:

watch 1

It can be seen from table one that the power of the non-hotspot photovoltaic assembly is higher than that of the conventional photovoltaic assembly under the condition of no shielding, which indicates that the reflection mechanism at the inner side of the conductive ring can effectively improve the discharge power of the photovoltaic assembly, and under the condition of shielding the photovoltaic assembly, the power of the non-hotspot photovoltaic assembly is obviously higher than that of the conventional assembly, which indicates that the diode can shield the battery piece with problems, thereby avoiding the occurrence of hotspots and ensuring the generating efficiency of the photovoltaic assembly to the maximum extent, and the yield of the non-hotspot photovoltaic assembly manufactured by the production process of the invention reaches 98.8%.

The working principle of the invention is as follows: a plurality of battery pieces are welded by utilizing an interconnection bar by utilizing a three-dimensional welding machine in a welding process to form a battery string, a diode is automatically welded on each battery piece, the welded battery string is detected by utilizing a detection process, then a conducting ring is welded on the outer side of each battery piece by utilizing the welding machine again, the conducting ring is transferred and fixed by utilizing a mechanical arm, a reflecting structure is arranged on the inner side of the conducting ring, the conducting ring is utilized to replace a traditional reflecting film, a reflecting component in a photovoltaic component is installed, the position and the angle of the conducting ring are detected by utilizing the detection process, the reflecting structure on the inner side of the conducting ring can be parallel to the side wall of each battery piece, the yield of the non-hot spot photovoltaic component is improved, and the waste of the conducting ring, the interconnection bar and the bus bar when unqualified products are detected after the conducting, the invention has high automation degree in the processing process of the non-hot spot photovoltaic module, can effectively improve the processing efficiency of the non-hot spot photovoltaic module and reduce the waste of resources.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.