Battery string EL detection device for photovoltaic module production

Abstract

The utility model relates to the technical field of battery string EL detection devices, in particular to a battery string EL detection device for photovoltaic module production, which comprises a box body, a storage rack is fixedly mounted in the box body, a limiting mechanism comprises a limiting frame, a limiting block, a limiting groove and an insertion block, the limiting frame is placed on the upper surface of the storage rack, and the insertion block is inserted into the limiting groove. At the moment, a limiting frame is adjusted to be attached to a limiting block, an inserting block is pushed to enter a limiting groove, a limiting screw rod is connected with a threaded hole, the inserting block is limited by the limiting screw rod and cannot move, and at the moment, the limiting frame is installed; as the two ends of the storage rack are limited by the limiting frames, the single battery string is prevented from deviating in the moving process, it is guaranteed that the battery string can accurately reach the detection position, the sheet suction effect and the carrying effect of the mechanical gripper carrying device are guaranteed, and then the definition of a shot test image is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery string EL detection device technical field, especially in photovoltaic module production is with battery string EL detection device. BACKGROUND

[0002] In the photovoltaic module production process, need to weld solar cell piece into battery string, weld the strip and the grid line of cell piece together, but in the production process, sometimes there is a false welding condition when welding, lead to welding not firm, or appear overwelding condition, lead to cell piece breakage, or the inside of cell piece appears hidden crack condition, directly influence the final quality of the battery board, an online battery string EL detection device, can carry out EL detection to the battery string in advance without departing from the stringer, effectively detect false welding, overwelding and cell piece internal hidden crack and other defects, avoid the rework labor and secondary hidden trouble in the rework process brought by traditional detection method, with the following structure:

[0003] 1, handling device: for fetching battery string from the unloading position of stringer, horizontally placed in the box outer top piece position, waits for power detection;

[0004] 2, power supply device: for supplying power to the detection battery string, sets up in the power supply connecting piece corresponding to the positive and negative pole of battery string on both sides of handling device;

[0005] 3, box: for placing CCD infrared image detection camera, top is equipped with an opening for taking photograph.

[0006] 4, image detection: detection device camera is vertically arranged in the box (lens upward), carries out photographing detection to battery string through the opening, and is connected to computer to carry out data analysis, restores image;

[0007] 5, storage rack;Provide the platform of placing for battery string.

[0008] When battery string moves from stringer unloading device to detection position, due to the mechanical vibration and other factors generated in the equipment operation process, the position of battery string may be offset, lead to the position of battery string placed in storage rack is not correct, thereby increase the working difficulty of mechanical gripper handling device, make the piece suction effect and handling effect are not good, further affect the definition of the photographed test image. Utility model content

[0009] The utility model provides a battery string EL detection device for photovoltaic module production, solves the technical problem that the position of battery string may be deviated due to mechanical vibration and other factors generated in the operation process of equipment, the position of battery string placed on the storage rack is not correct, thereby the working difficulty of mechanical gripper handling device is increased, the effect of sucking and the effect of carrying are not good, and further the definition of the photographed test image is affected.

[0010] In order to realize the above object, the utility model realizes through the following technical scheme:

[0011] A battery string EL detection device for photovoltaic module production, including the box, the inside fixed mounting of box has the storage rack, the outside of storage rack is provided with for the limiting mechanism of battery string spacing, limiting mechanism includes the limiting frame, limiting block, limiting groove and the insert block, the limiting frame places on the upper surface of storage rack, limiting block fixed mounting is at the outside of box for limiting the transverse movement of limiting frame, limiting groove is set up in the side of limiting frame away from limiting block, the insert block one end is connected in the inside of limiting groove for limiting the vertical movement of limiting frame, the other end of insert block is connected in the inside of box, the side of box close to insert block is provided with the threaded hole, the inside screw thread connection of threaded hole is limited with the external movement of insert block for limiting screw rod.

[0012] Preferably: the side of box corresponding threaded hole is provided with fixed block, the side of box corresponding fixed block is set up with fixed slot, threaded hole is set up in the outside of fixed block, fixed block is connected in the inside of fixed slot, the side of box corresponding threaded hole is set up with the aperture, limiting screw rod is connected with threaded hole through the aperture, the inside of fixed slot is provided with the elastic sheet, the inside of fixed slot is set up with the built-in groove, the elastic sheet fixed connection is in the inside of built-in groove, is convenient for the replacement of threaded hole.

[0013] Preferably: the outside fixed connection of fixed block has the pull rope, and the pull rope is located in the outside of fixed slot, and the outside fixed mounting of limiting screw rod has handle, and the handle is T-shaped, so that the fixed block and limiting screw rod are conveniently operated.

[0014] Preferably: the side of box corresponding insert block is fixedly installed with guide rail, and the outside of insert block is provided with moving channel, and the insert block is slidably connected to the outside of the guide rail through the moving channel, so as to provide support for the movement of the insert block.

[0015] Preferably: both ends of the insert block are provided with two receiving holes, and the two receiving holes are communicated with the inside of the moving channel, so as to facilitate the storage of the limiting screw rod.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] I. The limiting frame is placed on the upper surface of the storage rack, at this time the limiting frame is adjusted to fit the limiting block, at this time the insert block is pushed into the inside of the limiting slot, at this time the limiting screw is connected with the threaded hole, at this time the insert block is limited by the limiting screw and cannot move, at this time the limiting frame is installed, when the single string battery string moves from the discharging device of the string welding machine to the storage rack, since the limiting frame limits both ends of the storage rack, the single string battery string is prevented from deviating during movement, the battery string can accurately reach the detection position, stable detection conditions are provided for subsequent EL detection, the suction piece effect and carrying effect of the mechanical gripper carrying device are guaranteed, and then the test image clarity of the photographed test image is guaranteed.

[0018] II. When the limiting frame is not needed, the limiting screw can be placed in the storage hole and the moving channel, the design of the T-shaped handle prevents the limiting screw from easily coming out of the storage hole and the moving channel, facilitating the storage of the limiting screw and avoiding loss or damage of the limiting screw. BRIEF DESCRIPTION OF DRAWINGS

[0019] The above description is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application, and the content of the specification can be implemented, the following is a detailed description of the preferred embodiments of the present application with reference to the drawings.

[0020] Figure 1 is a perspective view of the present application;

[0021] Figure 2 is the present application Figure 1 is a structure view of the middle box;

[0022] Figure 3 is the present application Figure 1 is an exploded structure view of the limiting frame;

[0023] Figure 4 is the present application Figure 1 is an enlarged structure view of A in the present application;

[0024] Figure 5 is the present application Figure 2 is an enlarged structure view of B in the present application;

[0025] Figure 6 is the present application Figure 5 is an enlarged structure view of C in the present application.

[0026] Legend: 1, box; 2, storage rack; 3, limiting frame; 4, limiting block; 5, limiting slot; 6, insert block; 7, threaded hole; 8, limiting screw; 9, fixed block; 10, opening; 11, fixed slot; 12, spring piece; 13, built-in slot; 14, pull rope; 15, handle; 16, guide rail; 17, moving channel; 18, storage hole. DETAILED DESCRIPTION

[0027] The technical problem that the battery string position may be deviated due to mechanical vibration and other factors generated in the equipment operation process, the battery string is not placed in the correct position on the storage rack 2, the working difficulty of the mechanical gripper carrying device is increased, the suction sheet effect and carrying effect are poor, and the clarity of the photographed test image is affected.

[0028] EMBODIMENT

[0029] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , the technical scheme in the embodiment of the application effectively solves the technical problem that the battery string position may be deviated due to mechanical vibration and other factors generated in the equipment operation process, the battery string is not placed in the correct position on the storage rack 2, the working difficulty of the mechanical gripper carrying device is increased, the suction sheet effect and carrying effect are poor, and the clarity of the photographed test image is affected, and the overall idea is as follows:

[0030] In view of the problems in the prior art, the utility model provides a kind of battery string EL detection device for photovoltaic module production, including box 1, the inside fixed mounting of box 1 is equipped with storage rack 2, the outside of storage rack 2 is equipped with the limiting mechanism for battery string limiting, limiting mechanism includes limiting frame 3, limiting block 4, limiting groove 5 and plug block 6, limiting frame 3 is placed on the upper surface of storage rack 2, limiting frame 3 is concave body, limiting block 4 is fixedly installed in the outside of box 1 for limiting the transverse movement of limiting frame 3, limiting groove 5 is opened in the side of limiting frame 3 away from limiting block 4, plug block 6 one end is slidably connected in the inside of limiting groove 5 for limiting the vertical movement of limiting frame 3, plug block 6 other end is slidably connected in the inside of box 1.

[0031] The role of limiting frame 3 is to limit the battery string placed on storage rack 2, prevent it from deviating direction in the moving process, when limiting frame 3 is placed on storage rack 2, adjust limiting frame 3 to make it adhere to limiting block 4, limit the transverse movement of limiting frame 3 by this adhering mode, plug block 6 is limited by sliding in limiting groove 5 and the inside of box 1, realizes the limitation of vertical movement of limiting frame 3.

[0032] The box 1 is provided with a fixing groove 11 on the side close to the plug-in block 6, the fixing groove 11 is slidably connected with a fixing block 9, the fixing block 9 is provided with a threaded hole 7 on the outside, the threaded hole 7 is threadedly connected with a limiting screw 8 and is used for limiting the external movement of the plug-in block 6, the limiting screw 8 is fixedly installed with a handle 15 on the outside, the handle 15 is T-shaped, the box 1 is provided with an opening 10 on the side corresponding to the threaded hole 7, and the limiting screw 8 is connected with the threaded hole 7 through the opening 10.

[0033] The threaded connection mode of the limiting screw 8 and the threaded hole 7 cooperates with the T-shaped handle 15, so that the operator can easily realize the fixing and unfixed operation of the plug-in block 6 and the limiting frame 3 by rotating the handle 15, and the threaded hole 7 is provided on the outside of the fixing block 9, and the damaged threaded hole 7 is easily replaced through the connection between the fixing block 9 and the fixing groove 11.

[0034] The fixing groove 11 is provided with an elastic sheet 12, the fixing groove 11 is provided with an embedded groove 13, the elastic sheet 12 is fixedly connected in the embedded groove 13, one end of the elastic sheet 12 is fixedly connected in the embedded groove 13, the elastic sheet 12 extends outward at one end, the existence of the elastic sheet 12 provides elastic support for the fixing block 9, thereby guaranteeing the stability of the connection between the fixing block 9 and the fixing groove 11, reducing the influence of the movement of the fixing block 9 on the connection between the limiting screw 8 and the threaded hole 7, and the fixing block 9 is fixedly connected with a pull rope 14 on the outside, the pull rope 14 is convenient for pulling the fixing block 9 to disconnect the connection between the fixing block 9 and the fixing groove 11, and the pull rope 14 is located outside the fixing groove 11.

[0035] The box 1 is fixedly installed with a guide rail 16 on the side corresponding to the plug-in block 6, the guide rail 16 is T-shaped, the plug-in block 6 is provided with a moving channel 17 on the outside, and the plug-in block 6 is slidably connected to the outside of the guide rail 16 through the moving channel 17, both ends of the plug-in block 6 are provided with two receiving holes 18, and the two receiving holes 18 are communicated with the inside of the moving channel 17.

[0036] The guide rail 16 provides a sliding path for the plug-in block 6, prevents the plug-in block 6 from shaking or deviating during sliding, ensures that the plug-in block 6 can be smoothly inserted into and pulled out of the limiting groove 5, and thus the installation and removal operation of the limiting frame 3 is smoothly performed, when the limiting frame 3 is not needed, the limiting screw 8 can be inserted into the receiving hole 18 and the moving channel 17 for placement, the design of the T-shaped handle 15 makes the limiting screw 8 not easy to come out of the receiving hole 18 and the moving channel 17, which facilitates the storage of the limiting screw 8 and avoids the loss or damage of the limiting screw 8.

[0037] Working principle:

[0038] The first step, the limiting frame 3 is placed on the upper surface of the shelf 2, at this time adjust the limiting frame 3 makes the limiting frame 3 and the limiting block 4 fit, at this time push the plug block 6 makes the plug block 6 into the inside of the limiting slot 5, at this time the limiting screw 8 and the threaded hole 7 are connected, at this time the plug block 6 is limited by the limiting screw 8 and cannot move, at this time the limiting frame 3 is installed, when the single string battery string moves from the discharging device of the string welding machine to the shelf 2, because the limiting frame 3 limits both ends of the shelf 2, so that the single string battery string is prevented from deviating during movement, ensure that the battery string can accurately reach the detection position, provide stable detection conditions for subsequent EL detection;

[0039] The second step, when the limiting frame 3 is not needed, rotate the limiting screw 8 to make the connection between the limiting screw 8 and the threaded hole 7 be released, at this time pull the plug block 6 to make the plug block 6 and the limiting slot 5 be released, at this time the limiting screw 8 is inserted into two storage holes 18 and the moving channel 17 to be placed, because of the existence of the handle 15, the limiting screw 8 cannot move downward and be released from the connection of the two storage holes 18 and the moving channel 17, at this time the limiting frame 3 can be taken off from the surface of the shelf 2.

[0040] Finally, it should be noted that: obviously, the above embodiments are only examples for clearly illustrating the utility model, and not limited to the implementation mode. For ordinary skilled in the art, on the basis of the above description, other different forms of changes or variations can be made. Here, it is not necessary and cannot be exhausted to all the implementation modes. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A cell string EL detection device for photovoltaic module production, comprising a box (1), a storage rack (2) is fixedly installed inside the box (1), characterized in that, The external part of the shelf (2) is provided with a limiting mechanism for limiting the battery string, which comprises a limiting frame (3), a limiting block (4), a limiting slot (5) and an insertion block (6). The limiting frame (3) is placed on the upper surface of the shelf (2), the limiting block (4) is fixedly installed on the external part of the box (1) for limiting the transverse movement of the limiting frame (3), the limiting slot (5) is opened on the side of the limiting frame (3) away from the limiting block (4), and one end of the insertion block (6) is slidably connected in the internal part of the limiting slot (5) for limiting the vertical movement of the limiting frame (3), and the other end of the insertion block (6) is slidably connected in the internal part of the box (1). Wherein, the side of the box (1) close to the insertion block (6) is provided with a threaded hole (7), the internal part of the threaded hole (7) is threadedly connected with a limiting screw (8) and is used for limiting the external movement of the insertion block (6).

2. A cell string EL inspection apparatus for a photovoltaic module production as claimed in claim 1, characterized by, The side of the box (1) corresponding to the threaded hole (7) is provided with a fixed block (9), and the side of the box (1) corresponding to the fixed block (9) is provided with a fixed slot (11). Wherein, the threaded hole (7) is opened in the external part of the fixed block (9), and the fixed block (9) is slidably connected in the internal part of the fixed slot (11).

3. A cell string EL inspection apparatus for a photovoltaic module production as set forth in claim 1, characterized by, The side of the box (1) corresponding to the threaded hole (7) is provided with an opening (10). Wherein, the limiting screw (8) is connected with the threaded hole (7) through the opening (10).

4. A cell string EL inspection apparatus for a photovoltaic module production as defined in claim 2, characterized by, The internal part of the fixed slot (11) is provided with an elastic sheet (12). Wherein, the internal part of the fixed slot (11) is provided with an internal slot (13), and the elastic sheet (12) is fixedly connected in the internal part of the internal slot (13).

5. A cell string EL inspection apparatus for a photovoltaic module production as defined in claim 2, characterized by, The external part of the fixed block (9) is fixedly connected with a pull rope (14). Wherein, the pull rope (14) is located in the external part of the fixed slot (11).

6. A cell string EL inspection apparatus for photovoltaic module production as set forth in claim 1, characterized by The external part of the limiting screw (8) is fixedly installed with a handle (15). Wherein, the handle (15) is T-shaped.

7. A cell string EL inspection apparatus for photovoltaic module production as set forth in claim 1, characterized by The side of the box (1) corresponding to the insertion block (6) is fixedly installed with a guide rail (16), and the external part of the insertion block (6) is provided with a moving channel (17). Wherein, the insertion block (6) is slidably connected in the external part of the guide rail (16) through the moving channel (17).

8. A cell string EL inspection apparatus for photovoltaic module production as set forth in claim 1, characterized by, Both ends of the insertion block (6) are provided with two receiving holes (18). Wherein, the two receiving holes (18) are communicated with the internal part of the moving channel (17).

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