Light injection and series welding integrated equipment

Abstract

The utility model relates to light injection and series welding integrated equipment. The light injection and series welding integrated equipment comprises a first material moving device, a material storing device, a light injection device, a second material moving device and a series welding device. The material storage device is used for storing battery pieces to be subjected to light injection, the first material moving device is used for transferring the battery pieces in the material storage device to the light injection device, the light injection device is used for carrying out light injection on the battery pieces, the second material moving device is used for transferring the battery pieces subjected to light injection to the series welding device, and the series welding device is used for carrying out series welding on the battery pieces. According to the light injection and series welding integrated equipment, continuous light injection and series welding treatment can be integrally carried out on the battery piece, the storage time of the battery piece after light injection can be shortened, and the light attenuation of the battery piece after light injection is reduced.

Description

Technical Field

[0001] The present application relates to the field of photovoltaic technology, and in particular to a light injection and serial welding integrated device. Background Art

[0002] During the production process of solar cells, light injection can be performed on the cells to improve their efficiency. Light injection refers to the use of photons to excite the cells, stimulating electrons from the valence band to the conduction band, thereby generating current. In the traditional operation method, light injection equipment is used to inject light into the cells, and the cells that have completed light injection are temporarily stored in a material box. After all the cells have completed light injection, a string welding machine is used to weld the cells in the material box. Since the light injection time is usually long, the cells that have completed light injection will experience light decay if stored in the material box for a long time, resulting in a decrease in the efficiency of the cells. Utility Model Content

[0003] Based on this, it is necessary to provide an integrated light injection and serial welding device that can realize integrated continuous light injection and serial welding processing of the battery cells, and can reduce the storage time of the battery cells after light injection to reduce the light decay of the battery cells after light injection.

[0004] The present application provides a light injection and serial welding integrated device, comprising a first material moving device, a material storage device, a light injection device, a second material moving device and a serial welding device;

[0005] The material storage device is used to store the battery cells to be light-injected, the first material moving device is used to transfer the battery cells in the material storage device to the light injection device, and the light injection device is used to perform light injection on the battery cells. The second material moving device is used to transfer the battery cells that have completed light injection to the string welding device, and the string welding device is used to perform string welding on the battery cells.

[0006] In some embodiments, the light injection device includes a first transport component and a light injection component;

[0007] The first transport component is used to transport the battery cell, and the first transport component has a first carrying surface for carrying the battery cell. The light injection component is used to inject light into the battery cell located on the first carrying surface.

[0008] In some embodiments, the light injection assembly includes a first support member, a second support member, and a light source;

[0009] The first supporting member and the second supporting member are arranged opposite to each other and are respectively arranged on the upper and lower sides of the first transfer component;

[0010] The light source is disposed on the surface of the first support member facing the first transfer component and on the surface of the second support member facing the first transfer component. The light source is used to illuminate the battery cell to achieve light injection.

[0011] In some embodiments, there are multiple light sources on the first support member, and the multiple light sources are arranged in an array on the surface of the first support member facing the first transfer component;

[0012] There are multiple light sources on the second support member, and the multiple light sources are arranged in an array on the surface of the second support member facing the first transfer component.

[0013] In some of the embodiments, the light injection assembly further comprises a heat sink for dissipating heat from the light injection assembly;

[0014] The heat dissipation member is disposed on a surface of the first support member away from the light source and on a surface of the second support member away from the light source.

[0015] In some embodiments, the first transfer component includes a plurality of transfer rollers disposed at intervals, and the transfer rollers are used to transfer the battery cells.

[0016] In some embodiments, the string welding device includes a second transport component and a welding piece;

[0017] The second transport component is used to transport the battery cells. The second transport component has a second carrying surface for carrying the battery cells. The welding piece is used to weld adjacent battery cells located on the second carrying surface.

[0018] In some embodiments, the string welding device further includes a first connecting member and a second connecting member;

[0019] The welding part is connected to the first connecting part, the first connecting part is connected to the second connecting part, and the first connecting part can move in a vertical direction; the second connecting part is connected to the second transfer component, and the second connecting part can move along the transfer direction of the second transfer component.

[0020] In some embodiments, the string welding device further includes a detection member, which is disposed on the second transport component, and the detection member is used to detect the position of the battery cell on the second transport component.

[0021] In some embodiments, the string welding device further includes a third material moving device, which is used to transfer the welding ribbon to the battery cell located on the second transfer assembly, and the welding ribbon is used to connect adjacent battery cells on the second supporting surface by welding.

[0022] When the above-mentioned integrated light injection and serial welding device is in use, the battery cells in the storage device are transferred to the light injection device through the first material moving device, light is injected into the battery cells through the light injection device, and then the battery cells after light injection are transferred to the serial welding device through the second material moving device, and the battery cells are serially welded through the serial welding device. The integrated light injection and serial welding device of the present application can realize continuous light injection and serial welding processing of battery cells in an integrated manner, and can reduce the storage time of battery cells after light injection, so as to reduce the light decay of battery cells after light injection. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] FIG1 is a schematic diagram of the structure of a light injection and serial welding integrated device provided in one embodiment of the present application;

[0024] FIG2 is a schematic structural diagram of a light injection device provided in one embodiment of the present application;

[0025] FIG. 3 is a schematic diagram of the structure of a string welding device provided in one embodiment of the present application.

[0026] Description of Reference Numerals

[0027] 10. First material moving device; 20. Material storage device; 30. Light injection device; 31. First transfer component; 32. First support member; 33. Second support member; 34. Light source; 35. Heat sink; 36. Transfer roller; 40. Second material moving device; 50. Serial welding device; 51. Second transfer component; 52. Welding member; 53. First connecting member; 54. Second connecting member; 60. Battery cell. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0030] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0031] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, "plurality" means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0032] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0033] As shown in FIG1 , the present application provides an integrated light injection and serial welding device, comprising a first material moving device 10, a material storage device 20, a light injection device 30, a second material moving device 40 and a serial welding device 50. The material storage device 20 is used to store the battery cell 60 to be light injected. The first material moving device 10 is used to transfer the battery cell 60 in the material storage device 20 to the light injection device 30. The light injection device 30 is used to perform light injection on the battery cell 60. The second material moving device 40 is used to transfer the battery cell 60 that has completed light injection to the serial welding device 50. The serial welding device 50 is used to perform serial welding on the battery cell 60.

[0034] When the above-mentioned integrated light injection and serial welding device is in use, the battery cell 60 in the storage device 20 is transferred to the light injection device 30 through the first material moving device 10, and the light injection is performed on the battery cell 60 through the light injection device 30, and then the battery cell 60 after the light injection is transferred to the serial welding device 50 through the second material moving device 40, and the serial welding is performed on the battery cell 60 through the serial welding device 50. The integrated light injection and serial welding device of the present application can realize continuous light injection and serial welding processing of the battery cell 60 in an integrated manner, and can reduce the storage time of the battery cell 60 after the light injection is completed, so as to reduce the light decay of the battery cell 60 after the light injection.

[0035] 2, in some embodiments, the light injection device 30 includes a first transport component 31 and a light injection component. The first transport component 31 is used to transport the battery cell 60, and the first transport component 31 has a first carrying surface for carrying the battery cell 60, and the light injection component is used to inject light into the battery cell 60 located on the first carrying surface.

[0036] Referring again to FIG. 2 , in some embodiments, the light injection assembly includes a first support member 32, a second support member 33, and a light source 34. The first support member 32 and the second support member 33 are arranged opposite to each other and are respectively arranged on the upper and lower sides of the first transfer assembly 31. The light source 34 is arranged on the surface of the first support member 32 facing the first transfer assembly 31 and on the surface of the second support member 33 facing the first transfer assembly 31, and the light source 34 is used to illuminate the battery cell 60 to achieve light injection.

[0037] The present application can illuminate the battery cell 60 from both sides at the same time to achieve light injection by respectively arranging the first support member 32 and the second support member 33 on the upper and lower sides of the first transfer component 31, the light source 34 on the surface of the first support member 32 facing the first transfer component 31, and the light source 34 on the surface of the second support member 33 facing the first transfer component 31.

[0038] In some embodiments, there are multiple light sources 34 on the first support member 32. The multiple light sources 34 are arranged in an array on the surface of the first support member 32 facing the first transfer component 31. There are multiple light sources 34 on the second support member 33. The multiple light sources 34 are arranged in an array on the surface of the second support member 33 facing the first transfer component 31. The present application facilitates multi-directional light injection into the battery cell 60 through the multiple light sources 34 arranged in an array.

[0039] In some embodiments, the light injection assembly further includes a heat sink 35 for dissipating heat from the light injection assembly. The heat sink 35 is disposed on the surface of the first support member 32 away from the light source 34 and the surface of the second support member 33 away from the light source 34 .

[0040] In some embodiments, there are a plurality of heat sinks 35 on the first support member 32 , and the plurality of heat sinks 35 are arranged in an array on a surface of the first support member 32 away from the light source 34 .

[0041] In some embodiments, there are multiple heat sinks 35 on the second support member 33 , and the multiple heat sinks 35 are arranged in an array on a surface of the second support member 33 away from the light source 34 .

[0042] In some embodiments, the first transport assembly 31 includes a plurality of transport rollers 36 disposed at intervals. The transport rollers 36 are used to transport the battery cell 60. The battery cell 60 is transported by the plurality of transport rollers 36 disposed at intervals, and the light source 34 can inject light into the battery cell 60 from the intervals between the transport rollers 36, which can realize the transport of the battery cell 60 by the transport rollers 36 on the one hand, and does not affect the light injection on the other hand.

[0043] As shown in FIG3 , in some embodiments, the string welding device 50 includes a second transport component 51 and a welding member 52. The second transport component 51 is used to transport the battery cell 60. The second transport component 51 has a second carrying surface for carrying the battery cell 60. The welding member 52 is used to weld adjacent battery cells 60 located on the second carrying surface.

[0044] When the welding member 52 is used to weld the adjacent battery cells 60 located on the second supporting surface, the welding can be performed according to a conventional method. For example, the welding member 52 welds the adjacent battery cells 60 by melting the welding strip.

[0045] In some embodiments, the second transport component 51 includes a conveyor belt. The conveyor belt is used to transport the battery cells 60.

[0046] Referring again to FIG. 3 , in some embodiments, the welding device 50 further includes a first connector 53 and a second connector 54. The welding member 52 is connected to the first connector 53. The first connector 53 is connected to the second connector 54, and the first connector 53 can move in a vertical direction. The second connector 54 is connected to the second transport assembly 51, and the second connector 54 can move along the transport direction of the second transport assembly 51. The present application can adjust the relative position between the welding device 50 and the conveyor belt through the movement of the first connector 53 and the second connector 54, so as to facilitate welding.

[0047] In some embodiments, the string welding device 50 further includes a detection member, which is not shown in the drawings, and is disposed on the second transport component 51, and is used to detect the position of the battery cell 60 on the second transport component 51. The present application detects the position of the battery cell 60 on the second transport component 51 by the detection member, and when the battery cell 60 moves to a predetermined position, the battery cell 60 at the predetermined position is welded by the welding member 52, which is convenient for operation.

[0048] In some embodiments, the string welding device 50 also includes a third material moving device, which is not shown in the accompanying drawings. The third material moving device is used to transfer the welding ribbon to the battery cell 60 located on the second transfer component 51, and the welding ribbon is used to achieve connection between adjacent battery cells 60 on the second supporting surface.

[0049] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0050] The above-mentioned embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the attached claims, and the description and drawings may be used to interpret the contents of the claims.

Claims

1. A light injection serial welding integrated device, characterized in that: It comprises a first material moving device (10), a material storing device (20), a light injection device (30), a second material moving device (40) and a string welding device (50); The material storage device (20) is used to store the battery cells (60) to be light-injected, the first material transfer device (10) is used to transfer the battery cells (60) in the material storage device (20) to the light injection device (30), the light injection device (30) is used to perform light injection on the battery cells (60), the second material transfer device (40) is used to transfer the battery cells (60) that have completed light injection to the string welding device (50), the string welding device (50) is used to perform string welding on the battery cells (60).

2. The light injection serial welding integrated device according to claim 1, characterized in that: The light injection device (30) comprises a first transfer component (31) and a light injection component; The first transport component (31) is used to transport the battery cell (60), the first transport component (31) has a first carrying surface for carrying the battery cell (60), and the light injection component is used to inject light into the battery cell (60) located on the first carrying surface.

3. The light injection and serial welding integrated device according to claim 2, characterized in that: The light injection assembly comprises a first support member (32), a second support member (33) and a light source (34); The first support member (32) and the second support member (33) are arranged opposite to each other and are respectively arranged on the upper and lower sides of the first transfer component (31); The light source (34) is provided on the surface of the first support member (32) facing the first transfer component (31) and on the surface of the second support member (33) facing the first transfer component (31), and the light source (34) is used to illuminate the battery cell (60) to achieve light injection.

4. The light injection and serial welding integrated device according to claim 3, characterized in that: There are a plurality of light sources (34) on the first support member (32), and the plurality of light sources (34) are arranged in an array on a surface of the first support member (32) facing the first transfer component (31); There are a plurality of light sources (34) on the second support member (33), and the plurality of light sources (34) are arranged in an array on a surface of the second support member (33) facing the first transfer component (31).

5. The light injection serial welding integrated device according to claim 3, characterized in that: The light injection component further comprises a heat sink (35) for dissipating heat from the light injection component; The heat dissipation element (35) is provided on a surface of the first support element (32) away from the light source (34) and on a surface of the second support element (33) away from the light source (34).

6. The light injection serial welding integrated device according to claim 2, characterized in that: The first transfer assembly (31) comprises a plurality of transfer rollers (36) arranged at intervals, and the transfer rollers (36) are used to transfer the battery cells (60).

7. The light injection serial welding integrated device according to any one of claims 1 to 6, characterized in that: The string welding device (50) comprises a second transport component (51) and a welding piece (52); The second transport component (51) is used to transport the battery cell (60), the second transport component (51) has a second carrying surface for carrying the battery cell (60), and the welding member (52) is used to weld adjacent battery cells (60) located on the second carrying surface.

8. The light injection serial welding integrated device according to claim 7, characterized in that: The string welding device (50) further comprises a first connecting member (53) and a second connecting member (54); The welding member (52) is connected to the first connecting member (53), the first connecting member (53) is connected to the second connecting member (54), and the first connecting member (53) is movable in a vertical direction; the second connecting member (54) is connected to the second transfer component (51), and the second connecting member (54) is movable in a transfer direction of the second transfer component (51).

9. The light injection serial welding integrated device according to claim 7, characterized in that: The string welding device (50) further comprises a detection component, the detection component being arranged on the second transport component (51), and the detection component being used to detect the position of the battery cell (60) on the second transport component (51).

10. The light injection and serial welding integrated equipment according to claim 7, characterized in that: The serial welding device (50) further comprises a third material moving device, the third material moving device being used to transfer the welding ribbon to the battery cell (60) located on the second transfer assembly (51), the welding ribbon being used to connect adjacent battery cells (60) on the second supporting surface by welding.

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