EL test conveying device

Abstract

The utility model discloses an EL test conveying device. The EL test conveying device comprises a supporting rod, material pressing seats, power-on modules, material pressing cover plates and connecting pieces, the two ends of the supporting rod are connected with the material pressing seats correspondingly, the lower bottom faces of the material pressing seats are connected with the multiple power-on modules correspondingly, the lower bottom faces of the power-on modules are connected with the material pressing cover plates correspondingly, and the material pressing cover plates are connected with the connecting pieces correspondingly. Each material pressing cover plate is used for pressing the corresponding interconnection strip to be fully combined with the power-on module, and the multiple material pressing cover plates on each material pressing base are connected through the connecting pieces. According to the EL test conveying device, good contact of the single interconnection strip on each power-on module can be achieved, the problem of non-uniform power-on in EL test in the prior art is solved, a large number of test procedures are saved, time is saved, and the test efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaics, in particular to an EL test transmission device. Background Art

[0002] In the manufacturing of photovoltaic modules, EL testing is required after the battery string welding is completed to observe the yield rate after the battery string welding is completed. The principle of EL testing is electroluminescence imaging, which uses the electroluminescence compound luminescence of minority carriers to collect and image the fluorescence emitted by photovoltaic modules when bias is applied, and can quickly detect compound defects in solar cells that cannot be identified by the naked eye.

[0003] At present, during EL testing, the upper power tooling sucks the battery string through rows of suction nozzles, and the lower power tooling is a fixed body, which moves up and down to make the interconnection bars extending from both ends of the entire battery string contact the conductor, and the conductor supplies power to the battery string. Then the camera collects the image and generates a test image. In actual operation, the upper power tooling sucks the battery string and presses it down, so that the interconnection bars at both ends of the battery string contact the conductor. During the pressing process, it is difficult for the upper and lower conductive modules to achieve parallel contact, and it is easy for one end of the conductor to contact the other end first and then hang in the air, resulting in the interconnection bar on the suspended side and the conductor being in an open circuit state during the power-on process, resulting in poor local conductivity and affecting the imaging effect. Furthermore, during the EL test of the battery string in the traditional technology, several battery cells are first welded into a battery string, and the battery string is then divided, transported, flipped, and shifted to the EL test station in turn. After the EL test is completed, the battery string is sent to the assembly line. It can be seen that the traditional battery string EL test process is cumbersome, wastes work time, and has low production efficiency. Utility Model Content

[0004] Based on this, it is necessary to provide an EL test transmission device. The EL test transmission device of the utility model can avoid local poor conductivity of the battery string during EL testing, improve the EL test imaging effect, improve the test accuracy, and also can increase the test cycle, reduce the test process, save labor costs, and improve the test efficiency and production efficiency.

[0005] An embodiment of the present application provides an EL test transmission device.

[0006] An EL test transmission device comprises a support rod, a press seat, an upper power module, a press cover plate and a connecting piece, wherein the two ends of the support rod are respectively connected to the press seats, the lower bottom surface of each press seat is respectively connected to a plurality of upper power modules, the lower bottom surface of each upper power module is respectively connected to the press cover plate, each press cover plate is respectively used to press the corresponding interconnection strip to fully combine with the power module, and the plurality of press cover plates on each press seat are connected by the connecting piece.

[0007] In some embodiments, the plurality of power-on modules on the pressing seat are spaced apart and distributed along the first direction.

[0008] In some of the embodiments, the plurality of power-on modules are distributed at equal intervals.

[0009] In some embodiments, the EL test conveying device further includes a first adsorbing member connected to the supporting rod, and the first adsorbing member is used to absorb the battery string.

[0010] In some embodiments, there are multiple first adsorption members, and the multiple first adsorption members are distributed on the support rod along the second direction at intervals, wherein the first direction is perpendicular to the second direction.

[0011] In some embodiments, two of the first adsorption members form a group, the two first adsorption members in each group are spaced apart along the first direction, and multiple groups of the first adsorption members are spaced apart along the second direction.

[0012] In some embodiments, the EL test conveying device further includes a first power mechanism connected to the support rod to drive the support rod to move.

[0013] In some embodiments, the EL test conveying device further includes a feeding component, which includes a conveyor belt and a flipping component, wherein the conveyor belt is used to transfer battery strings, and the flipping component is used to flip the battery strings on the conveyor belt 180° relative to a horizontal direction.

[0014] In some embodiments, the flip component includes a flip bracket and a plurality of second adsorption members, and the plurality of second adsorption members are connected to the flip bracket at intervals.

[0015] In some embodiments, the EL test conveying device further includes a second power mechanism, wherein the second power mechanism is connected to the flip bracket to drive the flip bracket to flip.

[0016] The above-mentioned EL test transmission device is connected to the lower bottom surface of the power-on module by respectively connecting the pressing cover plates, and the corresponding interconnection strips are respectively pressed by each pressing cover plate to achieve full combination of the interconnection strips and the power-on module, avoiding poor contact between the interconnection strips and the power-on module, and achieving good contact of the single interconnection strips on each power-on module, thereby solving the problem of uneven power-on in EL testing in traditional technologies. The present application also integrates the power-on module into the support rod and the pressing seat, and then drives it through a first power mechanism such as a mechanical gripper. After the support rod obtains the battery string and transfers it to the power-on module, the EL test can be completed during the pressing process, saving a large number of test procedures, saving time, and improving test efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application, and those skilled in the art can obtain other drawings based on these drawings without creative work.

[0018] In order to more completely understand the present application and its beneficial effects, the following description will be given in conjunction with the accompanying drawings. In the following description, the same reference numerals represent the same parts.

[0019] FIG1 is a schematic diagram of an EL test transmission device according to an embodiment of the present utility model;

[0020] FIG. 2 is a partial structural diagram of an EL test transmission device according to an embodiment of the present utility model.

[0021] Description of Reference Numerals

[0022] 10. EL test conveying device; 100. Support rod; 200. Pressing seat; 300. Power-on module; 400. Pressing cover plate; 500. Connecting piece; 600. First adsorption piece; 710. Conveyor belt; 800. Flipping piece; 810. Flipping bracket; 820. Second adsorption piece; 20. Battery string; 30. Interconnection strip. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model 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 utility model. However, the utility model 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 utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0024] In the description of the present invention, 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 invention 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 invention.

[0025] In the present invention, 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 the present invention can be understood according to specific circumstances.

[0026] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0027] In the description of the present utility model, "several" means more than one, "many" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used to distinguish the technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0029] The embodiment of the present application provides an EL test transmission device 10 to solve the problem that during the EL test of the conventional technology, one end of the conductor is likely to contact first and the other end is suspended, resulting in the interconnection strip on the suspended side and the conductor being in an open circuit state during the power-on process, resulting in poor local conductivity and affecting the imaging effect; and at least one of the problems that the EL test process of the battery string in the conventional technology is cumbersome, wastes work time, and has low production efficiency. The EL test transmission device 10 will be described below in conjunction with the accompanying drawings.

[0030] The EL test transmission device 10 provided in the embodiment of the present application is exemplified as shown in Fig. 1, which is a schematic diagram of the structure of the EL test transmission device 10 provided in the embodiment of the present application. The EL test transmission device 10 of the present application can be used for EL testing of solar cells.

[0031] In order to more clearly illustrate the structure of the EL test transmission device 10 , the EL test transmission device 10 will be introduced below with reference to the accompanying drawings.

[0032] For example, please refer to FIG. 1 , which is a schematic diagram of the structure of an EL test transmission device 10 provided in an embodiment of the present application.

[0033] An EL test and transmission device 10 includes a support rod 100, a press seat 200, an upper power module 300, a press cover plate 400 and a connector 500. The two ends of the support rod 100 are respectively connected to the press seat 200. Please refer to Figure 2, which is a partial structural schematic diagram of the EL test and transmission device 10 of an embodiment of the utility model. The lower bottom surface of each press seat 200 is respectively connected to a plurality of upper power modules 300. The lower bottom surface of each upper power module 300 is respectively connected to a press cover plate 400. Each press cover plate 400 is respectively used to press the corresponding interconnection strip 30 to fully combine with the power module. The multiple press cover plates 400 on each press seat 200 are connected by a connector 500. The connector 500 can be a rod-shaped, wire-shaped or other structure. The connector 500 is used to realize the interconnection of multiple press cover plates 400 on a single press seat 200.

[0034] The above-mentioned EL test transmission device 10 is connected to the lower bottom surface of the power-on module 300 with a press cover plate 400, and the corresponding interconnection bar 30 is pressed by each press cover plate 400 to achieve full combination of the interconnection bar 30 and the power-on module. The press seat 200 connected to the two ends of the support rod 100 can realize that each press cover plate 400 is pressed on the end of the interconnection bar 30 on both sides of the battery string 20, so as to avoid poor contact between the interconnection bar 30 and the power-on module, and achieve good contact of the single interconnection bar 30 on each power-on module, so as to solve the problem of uneven power-on of EL test in traditional technology. The present application also integrates the power-on module 300 into the support rod 100 and the press seat 200, and then drives it through a first power mechanism such as a mechanical gripper. After the support rod 100 obtains the battery string 20 and transfers it to the power-on module, the EL test can be completed during the pressing process, saving a lot of test procedures, saving time, and improving test efficiency.

[0035] In some embodiments, as shown in FIG. 1 , a plurality of power-on modules 300 on the pressing seat 200 are distributed at intervals along a first direction.

[0036] In some embodiments, the plurality of power-up modules 300 are distributed at equal intervals.

[0037] In some embodiments, as shown in FIG. 1 , the EL test conveying device 10 further includes a first adsorbing member 600 . The first adsorbing member 600 is connected to the supporting rod 100 , and is used to absorb the battery string 20 .

[0038] In some embodiments, there are multiple first adsorption members 600. The multiple first adsorption members 600 are spaced apart and distributed along the second direction on the support rod 100. The first direction is perpendicular to the second direction.

[0039] In some embodiments, two first adsorption members 600 form a group. The two first adsorption members 600 in each group are spaced apart along the first direction. Multiple groups of first adsorption members 600 are spaced apart along the second direction.

[0040] In some embodiments, the EL test conveying device 10 further includes a first power mechanism. The first power mechanism is connected to the support rod 100 to drive the support rod 100 to move. The first power mechanism is not shown in the drawings.

[0041] In some embodiments, as shown in FIG1 , the EL test conveyor 10 further includes a feeding component. The feeding component includes a conveyor belt 710 and a flipping component 800. The conveyor belt 710 is used to transport the battery string 20. The flipping component 800 is used to flip the battery string 20 on the conveyor belt 710 by 180° relative to the horizontal direction so that the front side of the battery cell 20 faces upward.

[0042] In some embodiments, as shown in FIG. 1 , the flip component 800 includes a flip bracket 810 and a plurality of second adsorbents 820. The plurality of second adsorbents 820 are connected to the flip bracket 810 at intervals. The flip bracket 810 is in a long strip structure. The plurality of second adsorbents 820 are distributed at intervals in the length direction of the flip bracket 810.

[0043] In some embodiments, the EL test conveying device 10 further includes a second power mechanism. The second power mechanism is connected to the flip bracket 810 to drive the flip bracket 810 to flip. The second power mechanism is not shown in the drawings.

[0044] In some embodiments, the first power mechanism and the second power mechanism mentioned above can be manipulators respectively.

[0045] In some embodiments, the first adsorbent 600 and the second adsorbent 820 can be nozzles. It should be noted that when the first adsorbent 600 and the second adsorbent 820 are installed, they can match the position of the interconnection bar 30 on the battery string 20, so that when the first adsorbent 600 and the second adsorbent 820 are lowered to contact the battery string 20, they avoid the position of the interconnection bar 30, and the first adsorbent 600 and the second adsorbent 820 complete the adsorption of the battery string 20 by adsorbing the empty space of the battery cell.

[0046] When used, the EL test transmission device 10 of the present application includes the following steps:

[0047] (1) The battery string 20 of the upstream process enters the conveyor belt 710, and the conveyor belt 710 conveys the battery string 20 to the flip bracket 810. The second power mechanism drives the flip bracket 810 to move onto the conveyor belt 710, and the second adsorption member 820 adsorbs the battery string 20. The second power mechanism drives the flip bracket 810 to flip, so that the battery string 20 flips 180 degrees.

[0048] (2) The second power mechanism drives the support rod 100 to move parallel to the conveyor belt 710, and controls the first adsorption member 600 to adsorb the flipped battery string 20. The second power mechanism drives the support rod 100 to move to the power-on module. The interconnection bars 30 on the battery string 20 (see FIG. 2 , the interconnection bars 30 are distributed on the upper surface of the battery string 20) respectively correspond to a power-on unit. The first power mechanism drives the support rod 100 to press down the pressing seat 200 so that the pressing cover plate 400 on the pressing seat 200 is pressed onto the interconnection bars 30 to ensure that the interconnection bars 30 are fully combined with the corresponding power-on module. The first adsorption member 600 releases the battery string 20.

[0049] (3) EL test: After the EL test is completed, the first adsorption member 600 is controlled to adsorb the battery string 20, and the first power mechanism drives the support rod 100 to move upward in the vertical direction, taking the tested battery string 20 away to enter the next process.

[0050] In summary, the EL test transmission device 10 of the present application can ensure that each single interconnection strip 30 on each powered module has good contact, solve the problem of uneven power-on in EL testing in traditional technologies, save a large number of test processes, save time, and improve test efficiency.

[0051] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0052] 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.

[0053] The above-mentioned embodiments only express several implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. An EL test transmission device (10), characterized in that: The invention comprises a support rod (100), a material pressing seat (200), an upper power module (300), a material pressing cover plate (400) and a connecting piece (500), wherein the two ends of the support rod (100) are respectively connected to the material pressing seat (200), the lower bottom surface of each material pressing seat (200) is respectively connected to a plurality of upper power modules (300), the lower bottom surface of each upper power module (300) is respectively connected to the material pressing cover plate (400), each material pressing cover plate (400) is respectively used for pressing the corresponding interconnection strip (30) to fully combine with the power module, and the plurality of material pressing cover plates (400) on each material pressing seat (200) are connected via the connecting piece (500).

2. The EL test transmission device (10) according to claim 1, characterized in that: The plurality of power-on modules (300) on the material pressing seat (200) are distributed at intervals along a first direction.

3. The EL test transmission device (10) according to claim 1, characterized in that: The plurality of power-on modules (300) are distributed at equal intervals.

4. The EL test transmission device (10) according to any one of claims 1 to 3, characterized in that: The EL test conveying device (10) further comprises a first adsorption member (600), wherein the first adsorption member (600) is connected to the support rod (100), and the first adsorption member (600) is used to absorb the battery string (20).

5. The EL test transmission device (10) according to claim 4, characterized in that: The number of the first adsorption members (600) is plural, and the plurality of the first adsorption members (600) are distributed on the support rod (100) at intervals along a second direction, wherein the first direction is perpendicular to the second direction.

6. The EL test transmission device (10) according to claim 5, characterized in that: Two of the first adsorption members (600) form a group, the two first adsorption members (600) in each group are spaced apart along the first direction, and multiple groups of the first adsorption members (600) are spaced apart along the second direction.

7. The EL test transmission device (10) according to any one of claims 1 to 3, 5 to 6, characterized in that: The EL test conveying device (10) further comprises a first power mechanism, wherein the first power mechanism is connected to the support rod (100) to drive the support rod (100) to move.

8. The EL test transmission device (10) according to any one of claims 1 to 3, 5 to 6, characterized in that: The EL test conveying device (10) further comprises a feeding component, the feeding component comprising a conveyor belt (710) and a flipping component (800), the conveyor belt (710) being used to transport the battery string (20), and the flipping component (800) being used to flip the battery string (20) on the conveyor belt (710) by 180° relative to the horizontal direction.

9. The EL test transmission device (10) according to claim 8, characterized in that: The flip component (800) comprises a flip bracket (810) and a plurality of second adsorption members (820), wherein the plurality of second adsorption members (820) are connected to the flip bracket (810) at intervals.

10. The EL test transmission device (10) according to claim 9, characterized in that: The EL test conveying device (10) further comprises a second power mechanism, wherein the second power mechanism is connected to the flip bracket (810) and is used to drive the flip bracket (810) to flip.

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