WO2019076073A1

WO2019076073A1 - Splicing device and method therefor

Info

Publication number: WO2019076073A1
Application number: PCT/CN2018/091559
Authority: WO
Inventors: 曾静; 李涛; 孙士洋; 刘林; 易珊; 徐国军; 曲铭浩; 黄昭雄
Original assignee: 米亚索乐装备集成（福建）有限公司
Priority date: 2017-10-20
Filing date: 2018-06-15
Publication date: 2019-04-25
Also published as: CN207233754U

Abstract

Provided is a splicing device, which is used for splicing segmented bus bars of a flexible solar assembly, and comprises a reference board (10) and a press-fit connection assembly (20), wherein a side of the reference board (10) is provided with a horizontal reference line (11); and the press-fit connection assembly (20) comprises a pressing rod (21), an end of the pressing rod (21) is rotatably connected to the reference board (10), and the other end of the pressing rod (21) is provided with a pressing head (211). When in use, the pressing head is rotated to be away from the horizontal reference line, and then the bus bars are placed at a position flush with the horizontal reference line; and the pressing head is rotated to compress the bus bars, so as to facilitate a worker to carry out subsequent operations.

Description

Splicing device and method

This application claims priority to Chinese Patent Application No. 200921358578.X, filed on October 20, 2017, entitled "Splicing Device for Segmented Bus Bars of Flexible Solar Modules", which The entire contents are incorporated herein by reference.

Technical field

The present disclosure relates to, but is not limited to, the field of solar energy technology, and in particular, to a splicing apparatus and method.

Background technique

Flexible solar modules have broad market prospects in distributed photovoltaic power plants and civilian products due to their advantages of light weight, curling, and easy installation. In order to reduce the cost of flexible solar modules, the size of the flexible solar modules is generally increased, but the large-sized flexible solar modules are more demanding for the lamination process window than the small-sized flexible solar modules.

The difference in shrinkage between different packaging materials is very obvious on large-sized flexible solar modules, especially between the bus bar and the encapsulation film. Since the large-size encapsulation film is cooled, the shrinkage size is larger than that of the bus bar. The adhesion between the upper bus bar and the encapsulation film is large, and the encapsulation film pulls the bus bar in the contraction direction, causing the bus bar to bulge and forming a protrusion on the surface of the flexible solar module, which not only affects the appearance but also affects current collection.

Summary of the invention

The present disclosure provides a splicing device and method for splicing of segmented bus bars of a flexible solar module to reduce the entrapment of the bus bar by the encapsulation film, thereby reducing the occurrence of bumps on the surface of the flexible solar module caused by the swell of the bus bar, and improving The appearance of the flexible solar module reduces the occurrence of current collecting phenomena of the flexible solar module.

The splicing device provided by at least one embodiment of the present disclosure, for splicing of the segmented bus bar of the flexible solar module, includes:

a reference plate, one side of the reference plate is provided with a horizontal reference line;

A crimping assembly comprising a pressing rod, one end of the pressing rod being rotatably coupled to the reference plate, and the other end of the pressing rod being provided with a pressing head.

Optionally, the crimping assembly further includes a base, a rotating member and a connecting block; the base is mounted on the reference plate; one end of the rotating member is rotatably connected to one end of the base; One end of the block is rotatably connected to the other end of the rotating member and the other end of the base, respectively, and an axis of rotation between the connecting block and the rotating member is between the connecting block and the base The axis of rotation is parallel; one end of the pressing rod away from the pressing head is fixedly connected to the other end of the connecting block.

Optionally, a middle portion of the base is provided with a rotation avoidance groove for providing an active space for one end of the rotating member.

Optionally, both sides of the rotation avoidance groove are curved.

Optionally, a connection point between the rotating member and the base is located at one side of the rotation avoidance groove, and a connection point between the connection block and the base is located at another side of the rotation avoidance groove side.

Optionally, a handle is disposed on a side of the rotating member away from the connecting block.

Optionally, the rotating member and the base are rotatably connected by a connecting plate, one end of the connecting plate is rotatably connected to the rotating member, and the other end of the connecting plate is rotatably connected to the base.

In a possible implementation, the crimping assembly is slidably coupled to the reference plate.

Optionally, the reference plate is provided with a horizontal rail, and the crimping assembly is slidably coupled to the horizontal rail.

Optionally, the horizontal track comprises a horizontal rib, and the base is provided with a sliding slot that is slidingly engaged with the horizontal rib.

Optionally, the crimping assembly further includes a locking member that passes through the crimping assembly and is pressed against the horizontal rib.

Optionally, the horizontal track comprises a horizontal groove, and the base is provided with a slider that is slidingly engaged with the horizontal groove.

Optionally, both ends of the horizontal rail are provided with a stopper.

Optionally, the reference plate is provided with a plurality of fastening holes spaced along the extending direction of the horizontal reference line, and the crimping assembly is mounted on the reference plate through the fastening holes.

Optionally, the crimping assembly is provided with a plurality of the plurality of crimping assemblies spaced apart from each other on the reference plate.

Optionally, the reference plate is provided with a tick mark.

Optionally, the indenter is an elastic indenter.

Illustratively, the indenter is a rubber indenter.

The splicing method provided by at least one embodiment of the present disclosure, for splicing of the segmented bus bar of the flexible solar module, includes:

Disposing one of the segmented bus bars of the flexible solar module on one side of the reference plate and aligning one side of the bus bar with a horizontal reference line on the reference plate;

The bus bar is pressed using a crimping assembly.

Optionally, the splicing method further includes:

Applying a solder paste to a reserved portion of the end of the bus bar, the crimping assembly being pressed at a position of the bus bar near the end;

Pressing one end of the other bus bar to the end of the bus bar to which the solder paste is applied;

The other end of the other bus bar is pressed using another crimping assembly.

The splicing device provided by the present disclosure is used for splicing of segmented bus bars of a flexible solar module, including a reference plate and a crimping assembly; one side of the reference plate is provided with a horizontal reference line; the crimping assembly includes a pressing rod and a pressing rod One end is rotatably connected to the reference plate, and the other end of the pressure bar is provided with an indenter. In use, the splicing device is placed on a flat surface, the ram is rotated away from the horizontal reference line, and then the segmented bus bar is placed on one side of the reference plate, and one side of the flexible solar module is level with the horizontal reference line. The ram is rotated to be pressed against the flexible solar module to facilitate subsequent operations by the worker. The indenter presses the segmented bus bar to realize the segmentation and splicing of the bus bar, which can disperse the tensile stress of the bus bar on the package film, thereby reducing the occurrence of the convex phenomenon on the surface of the flexible solar module caused by the bus bar bulge, and improving the flexibility. The appearance of solar modules reduces the occurrence of current collection phenomena that affect flexible solar modules.

DRAWINGS

FIG. 1 is a schematic structural diagram of a splicing device according to an embodiment of the present disclosure;

2 is a schematic structural view showing a state of a crimping assembly of a splicing device according to an embodiment of the present disclosure;

3 is a schematic structural view of another state of a crimping assembly of a splicing device according to an embodiment of the present disclosure;

4 is a schematic structural diagram of a splicing device according to an embodiment of the present disclosure;

FIG. 5 is a schematic structural diagram of a splicing device according to an embodiment of the present disclosure.

Detailed ways

The embodiments of the present disclosure are described in detail below, and the examples of the embodiments are illustrated in the accompanying drawings, wherein the same or similar elements or the same or similar functions are denoted by the same or similar reference numerals. The embodiments described below with reference to the accompanying drawings are intended to be illustrative only, and are not to be construed as limiting.

The flexible solar module is first described below. The flexible solar module includes a bus bar. The flexible solar module is a whole product, and the bus bar can be segmented or a long-length bus bar. For a one-length long-size bus bar, the tensile force generated by the shrinkage of the encapsulation film inside the flexible solar module is mainly from the two ends to the middle on the bus bar, and the tensile force gradually accumulates as the contraction amplitude of the encapsulation film becomes larger. When the bus bar receives compression of two tension forces, when the compression force is greater than the resistance of the bus bar to bending, the bus bar deforms to form a protrusion. On the one hand, the segmented bus bar can reduce the length of a single bus bar, thereby reducing the accumulation of the bus bar tension by the encapsulation film. On the other hand, when the multi-segment bus bar is spliced by the splicing technique, the bus bar can be allowed to pass a certain displacement. The internal stress generated by the encapsulation film is eliminated, thereby reducing the possibility of deformation of the bus bar, and the device provided by any embodiment of the present disclosure is used to splicing the bus bar of the flexible solar module.

As shown in FIG. 1 to FIG. 3 , the splicing device provided by the embodiment of the present disclosure is used for splicing a segmented bus bar of a flexible solar module, and the splicing device includes a reference plate 10 and a crimping assembly 20 .

A horizontal reference line 11 is provided on one side of the reference plate 10.

The crimping assembly 20 includes a pressing rod 21, one end of which is rotatably coupled to the reference plate 10, and the other end of the pressing rod 21 is provided with a pressing head 211. The pressing rod 21 is rotatably connected with the reference plate 10, and the pressing head 211 is disposed on the pressing rod 21. When the pressing rod 21 is rotated, the pressing rod 21 can drive the pressing head 211 to rotate, so that the pressing head 211 can be close to the horizontal reference line. Move between a position away from the horizontal reference line. In the present embodiment, when the indenter 211 is required to press the bus bar 30, the pressing rod 21 can rotate the indenter 211 to be aligned with the horizontal reference line 11. In order to avoid the pressure of the pressure head 211 being too large, the bus bar 30 is impacted, and an indentation is formed on the bus bar 30. In severe cases, the current collection of the flexible solar photovoltaic module is affected. The indenter 211 may be an elastic indenter. Optionally, the indenter 211 can employ a rubber indenter.

Since the dimensions of the flexible solar modules of different specifications are different, the size of each segment constituting the entire flexible solar module is also different. Therefore, in order to improve the versatility of the splicing device and further improve the usability of the splicing device, the crimping assembly 20 can be slidably coupled to the reference plate 10. In the present embodiment, the reference plate 10 is provided with a horizontal rail 12, and the crimping assembly 20 is slidably coupled to the horizontal rail 12. In use, the entire crimp assembly 20 can be slid along the horizontal track 12 to adjust the crimp assembly 20 to a suitable crimped position.

Alternatively, for the convenience of the worker, the scale line 13 may be disposed on the reference plate 10 to facilitate the worker to adjust the crimping position of the ram 211. As shown in FIG. 1, the scale line 13 can be disposed along the horizontal reference line 11. Illustratively, the reference plate 10 can be a length scale.

In use, the splicing device can be placed on a flat surface, and the crimping assembly 20 can be slid to a suitable position, the ram 211 is rotated away from the horizontal reference line 11, and then the bus bar 30 is placed on one side of the reference plate 10. And aligning one side of the bus bar 30 with the horizontal reference line 11; after one side of the bus bar 30 is flush with the horizontal reference line 11, the ram 211 is rotated to a position flush with the horizontal reference line 11, thereby Pressed on the bus bar 30 to facilitate subsequent operations by the worker. The indenter 211 presses the bus bar 30 to realize the segmentation and splicing of the bus bar, which can disperse the tensile stress of the sealing film on the bus bar 30, thereby reducing the occurrence of protrusion on the surface of the flexible solar module caused by the bus bar bulging, and improving the flexibility. The appearance of solar modules reduces the occurrence of current collection phenomena that affect flexible solar modules.

It can be understood by those skilled in the art that a plurality of the above-mentioned crimping assemblies 20 can be disposed on the reference plate 10 as needed, and the plurality of crimping assemblies 20 are spaced apart from each other on the reference plate 10 to facilitate the splicing of the bus bars 30. Each segment of the bus bar 30 is pressed by the corresponding crimping assembly 20. When splicing the plurality of bus bars 30, the first bus bar 30 is first placed on one side of the reference plate 10, and then the position close to one end is pressed using the corresponding crimping assembly 20, and the reserved portion at the end portion The solder paste is applied, and then one end of the second bus bar 30 is pressed against the end of the first bus bar 30 to which the solder paste is applied, and the end of the second bus bar 30 is pressed with the crimping assembly 20 there. The edges of the head 211 are aligned (as indicated by the dashed lines in Fig. 1), and the other end of the second bus bar 30 is pressed using the corresponding crimping assembly 20, which is sequentially laid back until completion.

In the whole process, at each splicing position, the ram 211 is pressed to press the bus bar 30, thereby ensuring that each of the bus bars 30 does not form a bulge due to the encapsulation film during the lamination process.

In an exemplary embodiment, the plunger 21 is rotatably coupled to the reference plate 10 by a base 22, a swivel member 23 and a connecting block 24. In this embodiment, the base 22 is slidably coupled to the horizontal rail 12; one end of the rotating member 23 is rotatably coupled to the base 22; one end of the connecting block 24 is rotatably coupled to the other end of the rotating member 23 and the base 22, respectively. The axis of rotation between the 24 and the rotating member 23 is parallel to the axis of rotation between the connecting block 24 and the base 22; the end of the pressing rod 21 away from the pressing head 211 is fixedly connected to the other end of the connecting block 24, and the pressing rod 21 is provided with a pressure. One end of the head 211 extends in a direction away from the connecting block 24. Optionally, the rotator 23 and the base 22 are rotatably coupled by a web 26. Referring to FIG. 2, one end of the connecting plate 26 is rotatably coupled to the rotating member 23, and the other end of the connecting plate 26 is rotatably coupled to the base 22.

In the embodiment, the middle portion of the base 22 is provided with a rotation avoidance groove 221 for providing an active space for one end of the rotating member 23. The connection point between the rotation member 23 and the base 22 is located on one side of the rotation avoidance groove 221, and the connection point between the connection block 24 and the base 22 is located on the other side of the rotation avoidance groove 221.

Please refer to FIG. 2 and FIG. 3 for the description in the direction of the figure. As shown in FIG. 2, when the indenter 211 is in use, the pressing rod 21 is rotated to a vertical state, and the rotating member 23 and the connecting block 24 are substantially in a horizontal state, and at this time, the indenter 211 can be used to press the bus bar 30. As shown in FIG. 3, when the indenter 211 is not in use, the rotating member 23 is operated to rotate the right side upward, and the left side is rotated downward to the turning avoidance groove 221, at which time the pressing rod 21 is rotated to the horizontal state, and The transfer member 23 and the connecting block 24 are substantially in a vertical state. In order to reduce the frictional force when the transfer member 23 slides into the rotation avoidance groove 221, both sides of the rotation avoidance groove 221 may be curved.

In the embodiment shown in Figures 2 and 3, the horizontal rail 12 includes horizontal ribs 12a, and the base 22 is provided with a chute 22a that cooperates with the horizontal ribs 12a.

Alternatively, in the embodiment shown in FIG. 4, the horizontal rail 12 may also include a horizontal groove 12b provided on the reference plate 10, and the base 22 is provided with a slider 22b that is slidably engaged with the horizontal groove 12b. Of course, the sliding connection structure between the crimping assembly 20 and the reference plate 10 is not limited to the ones listed, and will not be further described herein.

It should be noted that, in the embodiment shown in FIG. 2 and FIG. 3, the horizontal rail 12 includes two horizontal ribs 12a, but the embodiment of the present disclosure is not limited thereto, and the number of horizontal ribs 12a may be according to actual needs. Settings. In addition, in the embodiment shown in FIG. 4, the horizontal track 12 includes two horizontal grooves 12b, but the embodiment of the present disclosure is not limited thereto, and the number of horizontal grooves 12b may also be set according to actual needs.

After the pressure head 211 is pressed against the bus bar 30, in order to avoid the sway of the crimping assembly 20 and to avoid affecting the splicing of the bus bar 30, the crimping assembly 20 further includes a locking member 25 that passes through the base 22 and is pressed against On the horizontal track 12. Optionally, the locking member 25 is a locking bolt, and the base 22 is provided with a threaded through hole. When the crimping assembly 20 needs to be locked, the locking bolt is screwed into the threaded through hole, and one end thereof is pressed against The horizontal rail 12 is placed to prevent the crimping assembly 20 from freely shaking.

Referring to FIG. 1, in order to prevent the crimping assembly 20 from sliding out of the horizontal rail 12, both ends of the horizontal rail 12 may be provided with a stopper 121, such as a stopper or the like. The stopper limits the crimping assembly 20 to the reference plate 10, and the stroke is from the stopper of one end to the stopper of the other end without slipping, ensuring the safety of the crimping assembly 20.

In an exemplary embodiment, in order to facilitate the operation of the worker, the handle 23 is provided with a handle 231 on a side away from the connection block 24. When the pressing lever 21 is required, the worker can operate the handle 231 to improve the usability and increase the work efficiency.

Alternatively, the above-described rotational connection can be achieved by a rotating shaft.

Alternatively, in addition to the sliding connection of the crimping assembly 20 to the reference plate 10, the crimping assembly 20 can be secured to the reference plate 10 using fasteners such as conventional bolts. Referring to FIG. 5, a plurality of fastening holes 10a are defined in the reference plate 10. The plurality of fastening holes 10a are arranged along the extending direction of the horizontal reference line 11. In use, different fastening holes 10a can be selected for fixed crimping. The assembly 20 facilitates position adjustment and fixation of the crimp assembly 20 to increase the versatility of the overall device.

The construction, features and effects of the embodiments of the present disclosure have been described in detail above with reference to the embodiments illustrated in the drawings. The above is only an exemplification of the embodiments of the present disclosure, and the present disclosure is not limited to the scope of the embodiments shown in the drawings. The spirit of the invention is intended to be included within the scope of the appended claims.

Claims

A splicing device for splicing of segmented bus bars of a flexible solar module, comprising:

a reference plate, one side of the reference plate is provided with a horizontal reference line;

a crimping assembly, the crimping assembly comprising a pressing rod, one end of the pressing rod being rotatably coupled to the reference plate, and the other end of the pressing rod is provided with a pressing head.
The splicing device according to claim 1, wherein the crimping assembly further comprises a base, a rotating member and a connecting block;

The base is mounted on the reference plate;

One end of the rotating member is rotatably connected to one end of the base;

One end of the connecting block is rotatably connected to the other end of the rotating member and the other end of the base, respectively, and an axis of rotation between the connecting block and the rotating member and the connecting block and the The axes of rotation between the bases are parallel;

One end of the pressing rod away from the pressing head is fixedly connected to the other end of the connecting block.
The splicing device according to claim 2, wherein a central portion of the base is provided with a slewing escape groove for providing an active space for one end of the rotator.
The splicing apparatus according to claim 3, wherein both sides of the rotation avoidance groove are curved.
The splicing device according to claim 3, wherein a connection point between the rotator and the base is located at one side of the slewing escape groove, and a connection point between the connection block and the base is located The other side of the turning escape groove.
The splicing device according to claim 2, wherein a handle is provided on a side of the rotator away from the connecting block.
The splicing device according to claim 2, wherein the rotator and the base are rotatably connected by a connecting plate, one end of the connecting plate is rotatably connected to the rotating member, and the other end of the connecting plate is The base is rotatably connected.
A splicing apparatus according to any one of claims 1 to 7, wherein the crimping assembly is slidably coupled to a reference plate.
The splicing apparatus according to claim 8, wherein said reference plate is provided with a horizontal rail, and said crimping assembly is slidably coupled to said horizontal rail.
The splicing apparatus according to claim 9, wherein the horizontal rail comprises a horizontal rib, and the base is provided with a sliding groove that is slidably engaged with the horizontal rib.
The splicing apparatus according to claim 10, wherein said crimping assembly further comprises a locking member that passes through said crimping assembly and is pressed against said horizontal rib.
The splicing apparatus according to claim 9, wherein said horizontal rail includes a horizontal groove, and said base is provided with a slider that slidably engages said horizontal groove.
The splicing device according to claim 8, wherein both ends of the horizontal rail are provided with stoppers.
The splicing apparatus according to any one of claims 1 to 13, wherein the reference plate is provided with a plurality of fastening holes spaced apart along an extending direction of the horizontal reference line, and the crimping assembly passes through The fastening holes are mounted on the reference plate.
The splicing apparatus according to any one of claims 1 to 13, wherein the crimping assembly is provided with a plurality of, and the plurality of crimping assemblies are spaced apart from each other by a set distance.
The splicing apparatus according to any one of claims 1 to 13, wherein the reference plate is provided with a scale line.
The splicing device according to any one of claims 1 to 13, wherein the ram is an elastic ram.
The splicing apparatus according to claim 17, wherein the ram is a rubber ram.
A splicing method for splicing of segmented bus bars of a flexible solar module, comprising:

Disposing one of the segmented bus bars of the flexible solar module on one side of the reference plate and aligning one side of the bus bar with a horizontal reference line on the reference plate;

The bus bar is pressed using a crimping assembly.
The splicing method according to claim 19, further comprising:

Applying a solder paste to a reserved portion of the end of the bus bar, the crimping assembly being pressed at a position of the bus bar near the end;

Pressing one end of the other bus bar to the end of the bus bar to which the solder paste is applied;

The other end of the other bus bar is pressed using another crimping assembly.