Photovoltaic module solder strip pretreatment device

The combined design of the guide assembly and the heating sleeve solves the problem of uneven flux during the drying process of the soldering ribbon, achieves uniform coating and curing of the soldering ribbon surface, improves welding quality and saves flux, and is suitable for the field of photovoltaic module manufacturing.

CN223452346UActive Publication Date: 2025-10-17JETION SOLAR HLDG
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Patent Information

Application Number
CN202422859388.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-22
Publication Date
2025-10-17
Estimated Expiration
2034-11-22

AI Technical Summary

Technical Problem

The existing photovoltaic module solder ribbons are prone to bending and deformation during the drying process after being soaked in flux, resulting in uneven flux residue and affecting the welding quality.

Method used

A photovoltaic module ribbon pretreatment device was designed, which includes an immersion box and a drying box. The combined structure of a guide assembly and a heating sleeve is used to allow the ribbon to enter the drying box vertically. The multi-stage heating and guide groove design ensures that the flux is evenly coated and solidified on the ribbon surface.

Benefits of technology

The uniform coating and curing of the flux on the surface of the soldering ribbon is achieved, which reduces the waste of flux and improves the welding quality. The long-term storage of the flux and the stability of the soldering ribbon are guaranteed by cooling and using desiccant.

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Abstract

The utility model relates to the technical field of photovoltaic module processing and manufacturing, and discloses a photovoltaic module solder strip pretreatment device which comprises a soaking box and a drying box, a first guide assembly, a second guide assembly and a third guide assembly are arranged in the soaking box, and scaling powder is arranged in the soaking box; a first heating sleeve, a fourth guide assembly, a second heating sleeve and a fifth guide assembly are arranged in the drying box, the portion, located between the third guide assembly and the fourth guide assembly, of the welding strip is vertically arranged, and the heating temperature of the second heating sleeve is higher than that of the first heating sleeve. By using the photovoltaic module solder strip pretreatment device, the solder strip is soaked in the soldering flux and then vertically enters the drying box, and the redundant soldering flux on the solder strip flows back downwards to the soaking box along the surface of the solder strip, so that not only is the soldering flux saved, but also the soldering flux on the surface of the solder strip is uniformly coated after the soldering flux flows back.
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Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic module processing and manufacturing field more specifically, it relates to photovoltaic module solder strip pre -treatment device. BACKGROUND

[0002] Photovoltaic module is connected in series and parallel mode to a whole with a plurality of single cell piece, then seals, lets it have the device of converting solar energy into electric energy, and the cell piece of photovoltaic module is usually connected through solder strip welding, before the application of solder strip in welding, needs coating on the surface of solder strip with flux, to improve the quality of solder strip welding, and soaking type coating is the common flux coating method, the solder strip is completely soaked in the container with flux, makes the solder strip surface fully contact and adsorbs flux.

[0003] After the solder strip is soaked in the flux, the solder strip with the flux adsorbed on the surface needs to be dried and solidified, and the existing photovoltaic module solder strip pre -treatment device is usually horizontally entered into the drying structure after the solder strip is soaked in the flux, under the action of its own gravity, the solder strip is deformed, and the excess flux will flow along the surface of the solder strip to the lowest point of the solder strip, which causes the flux after solidification to form obvious residues on the solder strip, thereby affecting the subsequent welding of the solder strip. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the defects in the prior art, and provides a photovoltaic module solder strip pre -treatment device which can form a uniform flux film on the surface of the solder strip after drying.

[0005] To achieve the above object, the technical scheme of the utility model provides a photovoltaic module solder strip pre -treatment device, which comprises: a soaking tank and a drying box, the soaking tank is built into the bottom of the drying box, the first guide assembly, the second guide assembly and the third guide assembly are sequentially arranged in the soaking tank along the conveying direction of the solder strip, the soaking tank is provided with flux, the second guide assembly and the third guide assembly are used for pressing the solder strip into the flux, and the position of the first guide assembly is higher than that of the second guide assembly and the third guide assembly.

[0006] The first heating sleeve, the fourth guide assembly, the second heating sleeve and the fifth guide assembly are sequentially arranged in the drying box along the transmission direction of the solder strip, the solder strip between the third guide assembly and the fourth guide assembly is vertically arranged, and the heating temperature of the second heating sleeve is higher than that of the first heating sleeve.

[0007] The photovoltaic module welding strip pre-treatment device has the advantages that after the welding strip is soaked in the flux, the welding strip vertically enters the drying box, the excess flux on the welding strip flows downward along the surface of the welding strip to the soaking box, the flux is saved, and the flux coating on the surface of the welding strip is uniform after the flux flows back; the welding strip is heated in steps by the first heating sleeve and the second heating sleeve, the flux is solidified on the surface of the welding strip, a uniform flux film can be formed, and the quality of the flux film is higher.

[0008] As preferred, the first guide assembly, the second guide assembly and the third guide assembly each comprise a first fixed shaft and a first roller, the first fixed shaft is detachably installed in the soaking box, the first roller is rotationally connected with the first fixed shaft, the first roller is provided with a first guide groove, and the first guide grooves of the first guide assembly, the second guide assembly and the third guide assembly are correspondingly arranged along the conveying direction of the welding strip.

[0009] The fourth guide assembly and the fifth guide assembly each comprise a second fixed shaft and a second roller, the second fixed shaft is fixedly installed in the drying box, the second roller is rotationally connected with the second fixed shaft, the second roller is provided with a second guide groove matched with the first guide groove, and the second guide grooves of the fourth guide assembly and the fifth guide assembly are correspondingly arranged along the conveying direction of the welding strip.

[0010] As preferred, the depths of the first guide groove and the second guide groove are greater than the thickness of the welding strip, and the widths of the first guide groove and the second guide groove are slightly greater than the width of the welding strip. Such a design can prevent the welding strip from being separated from the first guide groove or the second guide groove.

[0011] As preferred, a plurality of first rollers are rotationally installed on each first fixed shaft, and a plurality of second rollers matched with the first rollers are rotationally installed on each second fixed shaft. Such a design is conducive to improving the efficiency of welding strip flux coating and drying.

[0012] As preferred, the soaking box comprises a first box body and a box cover, one end of the box cover is rotationally connected with the top of the first box body, the first box body is provided with a mounting groove in sliding fit with the first fixed shaft, a plug plate is slidingly connected in the mounting groove, when the box cover is closed, the bottom end surface of the plug plate is attached to the top surface of the first fixed shaft, and the top end surface of the plug plate is attached to the bottom surface of the box cover. Such a design facilitates cleaning and replacement of the first guide assembly, the second guide assembly or the third guide assembly.

[0013] As preferred, the first box body is externally provided with a cooling box, the cooling box is provided with a placing groove, the outer surface of the first box body is attached to the inner surface of the placing groove, the cooling box is provided with a liquid storage cavity, and the liquid storage cavity is provided with cooling liquid. Through the above design, the cooling box can reduce the temperature inside the soaking box, thereby preventing the soldering flux from solidifying due to the high temperature inside the soaking box.

[0014] As preferred, the first box body is internally provided with a containing box, and the containing box is placed with a drying agent. Through the above design, the drying agent can reduce the air humidity inside the soaking box, thereby preventing the soldering flux from caking due to the high humidity inside the soaking box.

[0015] As preferred, the first box body is provided with a liquid level observation window and a liquid injection port. Through the above design, the remaining condition of the soldering flux inside the first box body can be observed, and the soldering flux can be injected into the first box body in time, thereby ensuring the sufficiency of the soldering flux inside the first box body.

[0016] As preferred, the drying box comprises a second box body and a box door, the box door is mounted on the second box body through screws, and the second box body is provided at the top with a ventilation port. Through the above design, the heat generated by the first heating jacket and the second heating jacket can be dissipated to the outside of the drying box through the ventilation port, which is conducive to the step-by-step heating and drying of the solder strip by the first heating jacket and the second heating jacket.

[0017] As preferred, the second box body is fixedly provided with a cooling plate matched with the fifth guide assembly, the cooling plate is provided with a third guide groove matched with the second guide groove, the cooling plate is provided above with a mounting plate fixedly connected with the second box body, the mounting plate is provided with a motor, and the bottom of the motor is provided with a driving end of a fan. Through the above design, the cooling efficiency of the solder strip can be improved.

[0018] The beneficial effects of the present application are as follows:

[0019] Through the use of the photovoltaic module solder strip pretreatment device, the solder strip vertically enters the drying box after being soaked in the soldering flux. The excess soldering flux on the solder strip will flow downward along the surface of the solder strip to the soaking box. Not only the soldering flux is saved, but also the soldering flux on the surface of the solder strip is evenly coated after flowing back. Through the step-by-step heating of the solder strip by the first heating jacket and the second heating jacket, the soldering flux is solidified on the surface of the solder strip, a uniform soldering flux film can be formed, and the quality of the soldering flux film is higher. Through the setting of the cooling box and the placing of the drying agent in the containing box, the long-term storage of the soldering flux is facilitated, and the cost is saved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the photovoltaic module solder strip pretreatment device.

[0021] Figure 2 is a schematic view of a front view of a photovoltaic module solder strip pre-processing device;

[0022] Figure 3 is a schematic view of a perspective structure of a first guide assembly (the second guide assembly and the third guide assembly have the same structure as the first guide assembly);

[0023] Figure 4 is a schematic view of a top view of a drying box;

[0024] Figure 5 is a schematic view of a perspective structure of a first box body and a box cover when the box cover is opened;

[0025] Figure 6 is a schematic view of a perspective structure of a cooling box;

[0026] Figure 7 is a schematic view of a perspective structure of a drying box;

[0027] Figure 8 is a schematic view of a perspective structure of a cooling plate.

[0028] In the figure: 1, soaking box; 2, drying box; 3, first guide assembly; 4, second guide assembly; 5, third guide assembly; 6, first heating sleeve; 7, fourth guide assembly; 8, second heating sleeve; 9, fifth guide assembly; 10, first section of solder strip; 11, second section of solder strip; 12, third section of solder strip; 13, fourth section of solder strip; 14, fifth section of solder strip; 15, sixth section of solder strip; 16, first fixed shaft; 17, first roller; 18, first guide groove; 19, second fixed shaft; 20, second roller; 21, second guide groove; 22, first box body; 23, box cover; 24, mounting groove; 25, plug plate; 26, pull plate; 27, first perforation; 28, second perforation; 29, pressing plate; 30, cooling box; 31, placement groove; 32, liquid storage cavity; 33, liquid inlet; 34, liquid outlet; 35, liquid level observation window; 36, liquid injection port; 37, second box body; 38, box door; 39, air vent; 40, cooling plate; 41, third guide groove; 42, mounting plate; 43, motor; 44, fan; 45, containing box; 46, support sleeve; 47, third perforation. DETAILED DESCRIPTION

[0029] The subject matter described herein will now be discussed with reference to example implementations. It should be understood that these implementations are discussed in order to provide a better understanding of the subject matter described herein to those skilled in the art. Changes to the function and arrangement of elements discussed can be made without departing from the scope of the subject matter of this description. Various examples can omit, substitute, or add various procedures or components as appropriate. Also, features described with respect to some examples can be combined in other examples.

[0030] In order to better understand the utility model, the following will be combined with Figures 1-8 The photovoltaic module welding strip pre-treatment device is described in detail.

[0031] Embodiment 1:

[0032] As Figure 1 and Figure 2 shown, the photovoltaic module welding strip pre-treatment device comprises: a soaking box 1 and a drying box 2, the soaking box 1 is built-in at the bottom of the drying box 2, the first guide assembly 3, the second guide assembly 4 and the third guide assembly 5 are sequentially arranged in the soaking box 1 along the conveying direction of the welding strip, the soldering flux is arranged in the soaking box 1, the second guide assembly 4 and the third guide assembly 5 are used for pressing the welding strip into the soldering flux, the position of the first guide assembly 3 is higher than the positions of the second guide assembly 4 and the third guide assembly 5.

[0033] The first heating sleeve 6, the fourth guide assembly 7, the second heating sleeve 8 and the fifth guide assembly 9 are sequentially arranged in the drying box 2 along the transmission direction of the welding strip, the welding strip between the third guide assembly 5 and the fourth guide assembly 7 is vertically arranged, and the heating temperature of the second heating sleeve 8 is higher than the heating temperature of the first heating sleeve 6.

[0034] It should be noted that the first guide assembly 3, the second guide assembly 4, the third guide assembly 5, the fourth guide assembly 7 and the fifth guide assembly 9 are all attached to the welding strip, and the welding strip is divided into the first segment welding strip 10, the second segment welding strip 11, the third segment welding strip 12, the fourth segment welding strip 13, the fifth segment welding strip 14 and the sixth segment welding strip 15, the first segment welding strip 10 is inserted into the soaking box 1 from the outside, part of the second segment welding strip 11, the third segment welding strip 12 and part of the fourth segment welding strip 13 are soaked in the soldering flux, part of the fourth segment welding strip 13 is located in the soaking box 1, another part of the fourth segment welding strip 13 is located in the drying box 2, and the fourth segment welding strip 13 is vertically arranged, the fifth segment welding strip 14 is completely located in the drying box 2, and the sixth segment welding strip 15 is inserted out of the drying box 2.

[0035] The soldering flux on the fourth segment welding strip 13 will flow back to the soaking box 1 along the surface thereof under the action of gravity, the excess soldering flux will not be wasted, and the soldering flux on the fourth segment welding strip 13 will be uniformly distributed, the first heating sleeve 6 heats the part of the fourth segment welding strip 13 located in the drying box 2, and pre-drying is performed, the soldering flux after pre-drying will not flow down along the surface of the fourth segment welding strip 13, the second heating sleeve 8 heats the fifth segment welding strip 14 to completely dry the fifth segment welding strip 14, the welding strip is completely dried by the step-by-step heating drying mode, the temperature distribution of the soldering flux is more uniform during the heating process, which is beneficial to improve the solidification effect, and the thermal stress borne by the welding strip and the soldering flux will be relatively small, which helps to reduce the problems of welding strip deformation or soldering flux cracking caused by excessive thermal stress;

[0036] The welding strip is arranged in the first heating sleeve 6 and the second heating sleeve 8, the first heating sleeve 6 and the second heating sleeve 8 are more uniform in heating the welding strip, the first heating sleeve 6 and the second heating sleeve 8 are internally provided with heating coils, the heating coils are converted into heat energy after being electrified, thereby heating and drying the welding strip, the current passing through the heating coil in the second heating sleeve 8 is greater than the current passing through the heating coil in the first heating sleeve 6, thereby controlling that the heating temperature of the second heating sleeve 8 is higher than the heating temperature of the first heating sleeve 6.

[0037] In the embodiment, the second guide assembly 4 and the third guide assembly 5 are at the same height, and the fifth guide assembly 9 is located obliquely above the fourth guide assembly 7, thereby increasing the drying stroke of the welding strip and ensuring that the welding strip is sufficiently dried.

[0038] By using the photovoltaic module welding strip pretreatment device, the welding strip vertically enters the drying box 2 after being soaked in the flux, and the excess flux on the welding strip will flow back to the soaking box 1 along the surface of the welding strip, not only saving the flux, but also making the flux coating on the surface of the welding strip uniform after the flux flows back, the welding strip is heated step by step by the first heating sleeve 6 and the second heating sleeve 8, the flux is solidified on the surface of the welding strip, a uniform flux film can be formed, and the quality of the flux film is higher.

[0039] Embodiment 2:

[0040] As an optimization of embodiment 1, as shown in Figures 2-4 The first guide assembly 3, the second guide assembly 4 and the third guide assembly 5 each include a first fixed shaft 16 and a first roller 17, the first fixed shaft 16 is detachably installed in the soaking box 1, the first roller 17 is rotationally connected with the first fixed shaft 16, the first roller 17 is provided with a first guide groove 18, and the first guide grooves 18 of the first guide assembly 3, the second guide assembly 4 and the third guide assembly 5 are one-to-one correspondingly arranged along the conveying direction of the welding strip.

[0041] The fourth guide assembly 7 and the fifth guide assembly 9 each include a second fixed shaft 19 and a second roller 20, the second fixed shaft 19 is fixedly installed in the drying box 2, the second roller 20 is rotationally connected with the second fixed shaft 19, the second roller 20 is provided with a second guide groove 21 matched with the first guide groove 18, and the second guide grooves 21 of the fourth guide assembly 7 and the fifth guide assembly 9 are one-to-one correspondingly arranged along the conveying direction of the welding strip.

[0042] It should be noted that the first guide groove 18 and the second guide groove 21 are correspondingly arranged along the conveying direction of the welding strip, and the first guide groove 18 and the second guide groove 21 can guide the welding strip, prevent the welding strip from slipping along the axis direction of the first roller 17 (the axis direction of the first roller 17 is consistent with the axis direction of the second roller 20), and further prevent the welding strip from being twisted or folded, which not only affects the adsorption of the welding strip to the flux, but also causes the welding strip to be broken.

[0043] In the embodiment, the cross-sectional shape of the first guide groove 18 and the second guide groove 21 is a circular ring, and the size is consistent, the first guide groove 18 is located in the middle of the first roller 17, and the second guide groove 21 is located in the middle of the second roller 20.

[0044] Embodiment 3:

[0045] As an optimization of embodiment 2, the depth of the first guide groove 18 and the second guide groove 21 is greater than the thickness of the welding strip, and the width of the first guide groove 18 and the second guide groove 21 is slightly greater than the width of the welding strip.

[0046] It should be noted that the depth of the first guide groove 18 and the second guide groove 21 is greater than the thickness of the welding strip, which can ensure that the welding strip will not be separated from the first guide groove 18 or the second guide groove 21, and the width of the first guide groove 18 and the second guide groove 21 is slightly greater than the width of the welding strip, which can ensure that the conveying of the welding strip will not be affected by the first guide groove 18 or the second guide groove 21, and the guiding effect of the first guide groove 18 and the second guide groove 21 on the welding strip is good.

[0047] In the embodiment, the width of the welding strip is 1.5mm, the thickness of the welding strip is 0.2mm, the width of the first guide groove 18 and the second guide groove 21 is 1.8mm, and the thickness of the first guide groove 18 and the second guide groove 21 is 0.4mm.

[0048] Embodiment 4:

[0049] As an optimization of embodiment 3, as shown in Figure 3 and Figure 4 Each first fixed shaft 16 is rotatably installed with a plurality of first rollers 17, and each second fixed shaft 19 is rotatably installed with a plurality of second rollers 20 matched with the plurality of first rollers 17.

[0050] It should be noted that the number of first rollers 17 on each first fixed shaft 16 is consistent with the number of second rollers 20 on each second fixed shaft 19, and by arranging a plurality of first rollers 17 and a plurality of second rollers 20, the photovoltaic module welding strip pretreatment device can simultaneously complete the soaking and drying of a plurality of welding strips, which can effectively improve the efficiency of the welding strip coating flux and drying.

[0051] In the embodiment, five first rollers 17 are rotatably installed on each first fixed shaft 16, and five second rollers 20 are rotatably installed on each second fixed shaft 19. The five first rollers 17 on the first guide assembly 3, the five first rollers 17 on the second guide assembly 4, the five first rollers 17 on the third guide assembly 5, the five second rollers 20 on the fourth guide assembly 7, and the five second rollers 20 on the fifth guide assembly 9 are arranged one by one in correspondence with the conveying direction of the welding strip.

[0052] Embodiment 5:

[0053] As an optimization of embodiment 4, as shown in Figure 2 、 Figure 4 and Figure 5 , the soaking box 1 comprises a first box body 22 and a box cover 23, one end of the box cover 23 is rotatably connected to the top of the first box body 22, the first box body 22 is provided with a mounting groove 24 in sliding fit with the first fixed shaft 16, and a plug plate 25 is slidingly connected in the mounting groove 24. When the box cover 23 is closed, the bottom end surface of the plug plate 25 is attached to the top surface of the first fixed shaft 16, and the top end surface of the plug plate 25 is attached to the bottom surface of the box cover 23.

[0054] It should be noted that when the box cover 23 is closed, the positions of the plug plate 25 and the first fixed shaft 16 are fixed. When the box door 38 is opened, the plug plate 25 can be first pulled out from the mounting groove 24, and then the first guide assembly 3 or the second guide assembly 4 or the third assembly can be taken out from the mounting groove 24 for cleaning or replacement.

[0055] In the embodiment, the side of the plug plate 25 close to the first roller 17 is fixedly connected with a pull plate 26, so as to facilitate pulling out the plug plate 25 from the mounting groove 24. The first box body 22 is provided with a first through hole 27, and the first section of welding strip 10 enters the soaking box 1 from the outside horizontally through the first through hole 27. The box cover 23 is provided with a second through hole 28, and the fourth section of welding strip 13 enters the drying box 2 from the soaking box 1 through the second through hole 28.

[0056] The drying box 2 is fixedly installed with a pressing plate 29. When the soaking box 1 is placed in the drying box 2, the pressing plate 29 presses the box cover 23 tightly, so that the box cover 23 remains in a closed state.

[0057] Embodiment 6:

[0058] As an optimization of embodiment 5, as shown in Figure 2 and Figure 6 , the first box body 22 is provided with a cooling box 30 outside, the cooling box 30 is provided with a placing groove 31, the outer surface of the first box body 22 is attached to the inner surface of the placing groove 31, the cooling box 30 is provided with a liquid storage cavity 32, and the liquid storage cavity 32 is provided with cooling liquid.

[0059] It should be noted that the high temperature in the drying box 2 is transmitted to the soaking box 1 through the second perforation 28, and the temperature that is too high can accelerate the change of the components in the flux, causing the flux to solidify. The internal environment of the soaking box 1 can be cooled by the condensed water in the cooling box 30, which can effectively reduce the occurrence of solidification and further ensure the effect of soaking and adsorbing the flux of the solder ribbon.

[0060] In the present embodiment, the cooling box 30 covers the bottom surface and three side surfaces of the first box body 22 (excluding the side surface provided with the first perforation 27), and is provided with a liquid inlet 33 and a liquid outlet 34 in communication with a liquid storage cavity 32. The liquid inlet 33 is located below the liquid outlet 34, the liquid inlet 33 is in communication with the outlet pipe of the circulating cooling water pump, and the liquid outlet 34 is in communication with the inlet of the circulating cooling water pump. The circulating cooling water pump (not shown in the figure) draws out the water with a higher temperature in the liquid storage cavity 32, and performs cooling and temperature reduction treatment, and then inputs the cold water into the liquid storage cavity 32, so as to ensure the cooling effect of the cooling box 30.

[0061] Embodiment 7:

[0062] As an optimization of embodiment 6, as shown in Figure 2 and Figure 5 , a containing box 45 is installed in the first box body 22, and a drying agent is placed in the containing box 45.

[0063] It should be noted that if the humidity in the soaking box 1 is too large, the moisture in the flux will increase, causing caking. The drying agent can reduce the air humidity in the soaking box 1, thereby avoiding the occurrence of caking.

[0064] Embodiment 8:

[0065] As an optimization of embodiment 7, as shown in Figure 2 , Figure 5 , the first box body 22 is provided with a liquid level observation window 35 and a liquid injection port 36.

[0066] It should be noted that the liquid level observation window 35, the liquid injection port 36 and the first perforation 27 are located on the same side surface of the first box body 22. The remaining condition of the flux in the first box body 22 can be observed through the liquid level observation window 35. When the flux is insufficient, the flux can be injected into the first box body 22 through the liquid injection port 36.

[0067] Embodiment 9:

[0068] As an optimization of embodiment 8, as shown in Figure 1 , Figure 2 , Figure 4 and Figure 7 , the drying box 2 includes a second box body 37 and a box door 38. The box door 38 is installed on the second box body 37 by screws, and the second box body 37 is provided with an air vent 39 at the top.

[0069] It should be noted that by setting the box door 38, the first heating jacket 6, the fourth guide assembly 7, the second heating jacket 8 and the fifth guide assembly 9 can be conveniently maintained and replaced, and by setting the air vent 39, the heat generated by the first heating jacket 6 and the second heating jacket 8 will not accumulate in the drying box 2, thereby affecting the effect of step-by-step heating and drying.

[0070] In the embodiment, the second box body 37 is provided with a third through hole 47, the sixth section of the welding strip 15 passes through the third through hole 47 and horizontally extends out of the drying box 2, one end of the second fixed shaft 19 is fixedly connected with the second box body 37, and the inside of the box door 38 is provided with a supporting sleeve 46 for supporting the other end of the second fixed shaft 19.

[0071] Embodiment 10:

[0072] As an optimization of Embodiment 9, as shown in Figure 1 、 Figure 2 and Figure 8 , the second box body 37 is fixedly installed with a cooling plate 40 cooperating with the fifth guide assembly 9, the cooling plate 40 is provided with a third guide slot 41 cooperating with the second guide slot 21, an installation plate 42 fixedly connected with the second box body 37 is arranged above the cooling plate 40, a motor 43 is installed on the installation plate 42, and a fan 44 is installed on the driving end of the bottom of the motor 43.

[0073] It should be noted that the third guide slot 41 corresponds to the position of the third through hole 47, the sixth section of the welding strip 15 passes through the third through hole 47 and enters the third guide slot 41 from the drying box 2, at this time the temperature of the welding strip is relatively high, the motor 43 drives the fan 44 to rotate, thereby increasing the airflow near the third guide slot 41, and thereby improving the cooling efficiency of the welding strip in the third guide slot 41.

[0074] The embodiments of the utility model are described above in combination with the drawings, but the embodiments are not limited to the specific implementation manners described above, the specific implementation manners described above are only illustrative and not restrictive, and those skilled in the art can make many forms under the inspiration of the embodiments without departing from the scope of the embodiments and the scope protected by the claims, and all the forms belong to the protection of the embodiments.

Claims

1. Photovoltaic module welding ribbon pre-processing device, characterized in that: include: A soaking box (1) and a drying box (2), wherein the soaking box (1) is built into the bottom of the drying box (2), a first guide assembly (3), a second guide assembly (4) and a third guide assembly (5) are sequentially arranged in the soaking box (1) along the conveying direction of the solder strip, soldering flux is arranged in the soaking box (1), the second guide assembly (4) and the third guide assembly (5) are used to press the solder strip into the soldering flux, and the position of the first guide assembly (3) is higher than the positions of the second guide assembly (4) and the third guide assembly (5); A first heating sleeve (6), a fourth guide assembly (7), a second heating sleeve (8) and a fifth guide assembly (9) are sequentially arranged in the drying box (2) along the transmission direction of the welding strip. The welding strip is arranged vertically between the third guide assembly (5) and the fourth guide assembly (7). The heating temperature of the second heating sleeve (8) is higher than the heating temperature of the first heating sleeve (6).

2. The photovoltaic module ribbon pre-processing device according to claim 1, characterized in that: The first guide assembly (3), the second guide assembly (4) and the third guide assembly (5) all include a first fixed shaft (16) and a first roller (17), the first fixed shaft (16) is detachably mounted in the immersion box (1), the first roller (17) is rotatably connected to the first fixed shaft (16), the first roller (17) is provided with a first guide groove (18), and the first guide grooves (18) of the first guide assembly (3), the second guide assembly (4) and the third guide assembly (5) are provided in a one-to-one correspondence along the conveying direction of the welding strip; The fourth guide assembly (7) and the fifth guide assembly (9) both include a second fixed shaft (19) and a second roller (20), wherein the second fixed shaft (19) is fixedly installed in the drying box (2), and the second roller (20) is rotatably connected to the second fixed shaft (19), and the second roller (20) is provided with a second guide groove (21) that cooperates with the first guide groove (18), and the second guide grooves (21) of the fourth guide assembly (7) and the fifth guide assembly (9) are arranged in a one-to-one correspondence along the conveying direction of the welding strip.

3. The photovoltaic module ribbon pre-processing device according to claim 2, characterized in that: The depths of the first guide groove (18) and the second guide groove (21) are both greater than the thickness of the welding strip, and the widths of the first guide groove (18) and the second guide groove (21) are both slightly greater than the width of the welding strip.

4. The photovoltaic module ribbon pre-processing device according to claim 3, characterized in that: A plurality of the first rollers (17) are rotatably mounted on each of the first fixed shafts (16), and a plurality of the second rollers (20) cooperating with the plurality of the first rollers (17) are rotatably mounted on each of the second fixed shafts (19).

5. The photovoltaic module ribbon pre-processing device according to claim 2, characterized in that: The soaking box (1) comprises a first box body (22) and a box cover (23), one end of the box cover (23) is rotatably connected to the top of the first box body (22), the first box body (22) is provided with a mounting groove (24) that is slidably matched with the first fixed shaft (16), and a plug plate (25) is slidably connected in the mounting groove (24). When the box cover (23) is closed, the bottom end surface of the plug plate (25) is in contact with the top surface of the first fixed shaft (16), and the top end surface of the plug plate (25) is in contact with the bottom surface of the box cover (23).

6. The photovoltaic module ribbon pre-processing device according to claim 5, characterized in that: A cooling box (30) is provided on the outside of the first box body (22), and the cooling box (30) is provided with a placement groove (31). The outer surface of the first box body (22) is in contact with the inner surface of the placement groove (31), and the cooling box (30) is provided with a liquid storage cavity (32), and coolant is provided in the liquid storage cavity (32).

7. The photovoltaic module ribbon pre-processing device according to claim 6, characterized in that: A containing box (45) is installed in the first box body (22), and a desiccant is placed in the containing box (45).

8. The photovoltaic module ribbon pre-processing device according to claim 7, characterized in that: The first box (22) is provided with a liquid level observation window (35) and a liquid injection port (36).

9. The photovoltaic module ribbon pre-processing device according to claim 2, characterized in that: The drying box (2) comprises a second box body (37) and a box door (38), wherein the box door (38) is mounted on the second box body (37) by screws, and a ventilation opening (39) is provided through the top of the second box body (37).

10. The photovoltaic module ribbon pre-processing device according to claim 9, characterized in that: The second box (37) is fixedly mounted with a cooling plate (40) that cooperates with the fifth guide assembly (9); the cooling plate (40) is provided with a third guide groove (41) that cooperates with the second guide groove (21); a mounting plate (42) fixedly connected to the second box (37) is provided above the cooling plate (40); a motor (43) is mounted on the mounting plate (42); and a fan (44) is mounted at the driving end at the bottom of the motor (43).