Modular installation equipment for photovoltaic module junction box

Abstract

The utility model discloses modularized installation equipment for a photovoltaic module junction box. The modularized installation equipment comprises a feeding device, a transmission device and an installation device, on one hand, based on the layout of the first and second transmission lines and the left and right mounting manipulators, junction box mounting is synchronously implemented from the left and right sides of the photovoltaic module, the operation is simple, the mounting efficiency is high, and the cost is low; on the other hand, based on the first direction and the second direction which are perpendicular to each other, the reference module and the correcting module are used for correcting in the second direction, the clamping assembly is used for clamping in the first direction so as to improve the clamping position precision of the junction box, and it is ensured that the junction box, the smoothing assembly and the bus bar are accurately aligned; the installation precision of the junction box and the flattening success rate of the bus bar are effectively improved.

Description

Technical Field

[0001] This utility model belongs to the field of photovoltaic technology, and in particular relates to a modular installation device for photovoltaic module junction boxes. Background Technology

[0002] A typical photovoltaic module (single-glass or double-glass) consists of an upper glass cover, solar cells, a lower base plate, and a junction box mounted on the upper glass cover, arranged from top to bottom.

[0003] Currently, existing junction box installation equipment mainly includes a junction box feeding device, a junction box transmission line, and a junction box installation robot. The junction box feeding device supplies the junction boxes, and the junction box transmission line transports the junction boxes to a preset workstation for the junction box installation robot to pick up. The junction box installation robot completes two processes: junction box installation and busbar smoothing. For example, Chinese Patent Publication No. CN222133999U discloses a junction box installation gripper mechanism, which includes a mounting plate, a pressure plate elastically floating below the mounting plate for pressing the junction box surface, a first cylinder fixed on the upper surface of the mounting plate, a pair of grippers driven by the first cylinder to move left and right, a second cylinder fixed on the lower surface of the mounting plate, and a pair of lead wire prying claws driven by the second cylinder to move back and forth through the pressure plate.

[0004] However, the following technical defects exist during actual installation:

[0005] 1. The existing junction box has a single transmission direction after being output from the feeding device. It is only suitable for one set of junction box installation robots to carry out junction box picking and installation operations. The installation efficiency is low, and the installation is difficult and costly for components that are far away.

[0006] 2. When the junction box is transported to the preset loading position, it is prone to positional deviation due to external force. The gripper cannot guarantee the clamping position accuracy on the junction box during clamping, which affects the installation accuracy of the subsequent junction box. As a result, the success rate of the lead wire of the bus bar on the photovoltaic module passing through the junction box and being accurately smoothed by the claw is low. Utility Model Content

[0007] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide an improved modular installation device for photovoltaic module junction boxes.

[0008] To solve the above technical problems, the present invention adopts the following technical solution:

[0009] A modular installation device for photovoltaic module junction boxes includes a feeding device, a conveying device, and an installation device. The conveying device includes a first transmission line and a second transmission line respectively connected to the discharge port of the feeding device, wherein temporary storage stations corresponding to the left and right sides of the photovoltaic module are formed on the first and second transmission lines. The installation device includes a left installation robot and a right installation robot corresponding to the left and right temporary storage stations, and the left and right installation robots each include an installation module and a robotic arm for driving the installation module to move between the corresponding temporary storage station and the photovoltaic module. The installation module includes a pressing mechanism for flattening the junction box. The assembly includes a flattening component, a clamping component for clamping or releasing the junction box in a first direction, a smoothing component for smoothing the portion of the busbar that protrudes from the junction box, and a straightening component. The straightening component includes a reference module and a straightening module distributed at both ends of the junction box in a second direction perpendicular to the first direction, and a straightening power unit. The actuating end of the smoothing component is located between the reference module and the straightening module. When the flattening component flattens the junction box, the straightening power unit drives the straightening module to move towards the reference module and causes the junction box to abut against the reference module. As the junction box aligns with the installation position on the photovoltaic module, the busbar simultaneously protrudes from the junction box and aligns with the actuating end.

[0010] Preferably, the first and second transmission lines are staggered and positioned above the photovoltaic module; and / or, the first and second transmission lines respectively form temporary storage stations located on the corresponding sides of the photovoltaic module from their ends. In some specific embodiments, the photovoltaic module is transported along the front-to-back direction by the module transmission line, and left and right installation robots pick up materials from the corresponding temporary storage stations and install junction boxes onto the photovoltaic module from the left and right directions respectively. In this layout, the first and second transmission lines achieve multi-level, non-interfering material feeding, and the structure is compact, with short working strokes for each robot and high installation efficiency.

[0011] According to a specific embodiment and preferred aspect of this utility model, the transmission device further includes NG (Not From Good) boxes and detectors. There are two NG boxes, correspondingly located at the ends of the first and second transmission lines. There are two detectors, correspondingly located above the left and right temporary storage stations. Each detector is used to detect the position, orientation, and quality of the junction boxes. The first and second transmission lines drive non-compliant junction boxes from the temporary storage stations to the corresponding NG boxes. This ensures the recycling of non-compliant junction boxes and prevents them from being incorrectly installed on photovoltaic modules.

[0012] Preferably, the first and second transmission lines are further provided with guide components forming guide zones, wherein each guide zone gradually narrows along the corresponding junction box transmission direction. This allows for position adjustment and guidance of the junction box during transmission, thereby increasing the probability of accurate material handling by the robotic arm.

[0013] According to another specific embodiment and preferred aspect of this utility model, the reference module and the correction module each include an abutting section extending along a first direction and a connecting section that bends upward from one end of the abutting section to avoid the smoothing component in a second direction. The reference module is fixedly connected to the base via the connecting section, and the correction module is connected to the correction power unit via the connecting section. During correction, both ends of the junction box are respectively abutted against the inner wall surface of the corresponding abutting section. The abutting sections of the reference module and the correction module are aligned in the second direction. This arrangement facilitates smoothing the busbar while keeping the junction box in the correction state, preventing positional displacement of the junction box during the smoothing action, and maintaining force balance on the junction box in the second direction.

[0014] According to another specific embodiment and preferred aspect of this utility model, the flattening assembly includes two pressure plates spaced apart in a first direction and a plurality of elastic elements connecting each pressure plate to the base. A limiting area is formed between the two pressure plates, and the clamping assembly is disposed within the limiting area. Each pressure plate is a U-shaped plate with its opening facing the clamping assembly, and the plurality of elastic elements are distributed on opposite sides of each U-shaped plate. Here, while achieving limiting, space is also provided to allow for the movement of the clamping assembly, improving the structural compactness. At the same time, based on the U-shaped pressure plates, a pressing area is formed around the clamping part of the clamping assembly on the junction box, improving the clamping position accuracy.

[0015] Preferably, the clamping assembly includes two clamping arms spaced apart along a first direction and a clamping power unit that drives the two clamping arms to move toward or away from each other, wherein the actuating end is synchronously located between the two clamping arms.

[0016] Preferably, the smoothing assembly includes two claws spaced apart along a second direction and a smoothing power unit fixed on the base, wherein the smoothing power unit drives the two claws to move away from each other along the second direction to smooth the busbar.

[0017] Specifically, two symmetrically arranged claws are used, and each claw includes an L-shaped claw body and a connecting module connecting the claw body and the output end of the smoothing power unit. One end of the claw body faces downwards and forms the actuating end, and a clearance space is formed between the claw body, the smoothing power unit, and the connecting module, with the clamping power unit passing through the clearance space. This design is simple and easy to install and implement.

[0018] In addition, the mounting module includes grippers for holding coils on the junction box; and / or, the mounting module also includes a detection camera for locating the position of busbars on the photovoltaic module.

[0019] Due to the implementation of the above technical solution, this utility model has the following advantages compared with the prior art:

[0020] Existing technologies for junction boxes, after being output from the feeding device, have a single transmission direction, suitable only for a single set of junction box installation robots to perform material handling and installation. This results in low installation efficiency and high installation difficulty and cost for junction boxes located far from the module. Furthermore, junction boxes are prone to positional deviations due to external forces when transported to the preset feeding position, and the grippers cannot guarantee the gripping accuracy of the junction boxes, affecting the installation accuracy of subsequent junction boxes. This leads to a low success rate in accurately smoothing out the busbar leads from the photovoltaic module by passing through the junction box and using the grippers. This application, however, provides a holistic design for the modular installation equipment of photovoltaic module junction boxes, cleverly addressing the shortcomings and defects of existing technologies. With this modular installation equipment, the feeding device first transports the junction box from the outlet along the first transmission line and the second... The transmission line outputs to temporary storage stations located on the left and right sides of the photovoltaic module. Then, the installation modules are driven by the robotic arms to move between the corresponding temporary storage stations and the photovoltaic modules. During material handling, the junction box is flattened downwards by the flattening component, with the reference module and the alignment module positioned at both ends of the junction box in the second direction. The alignment module is then driven by the alignment power unit to move towards the reference module and push the junction box against the reference module to complete the alignment of the junction box. Next, the junction box is clamped by the clamping component in the first direction perpendicular to the second direction. Finally, as the junction box is aligned with the installation position on the photovoltaic module (i.e., the insertion port on the junction box is aligned with the lead end of the busbar), the busbar simultaneously passes through the junction box and aligns with the toggle end. The movement of the toggle end smooths out the busbar, completing the installation of the junction box. Therefore, compared with the prior art, this utility model, on the one hand, is based on the layout of the first and second transmission lines and the left and right installation robots to realize the simultaneous installation of junction boxes from both sides of the photovoltaic module, which is simple to operate, has high installation efficiency and low cost; on the other hand, based on the perpendicular first and second directions, and through the reference module and the alignment module to perform alignment in the second direction, and the clamping component to perform clamping in the first direction, the clamping position accuracy of the junction box is improved, ensuring that the junction box, the smoothing component and the busbar are accurately aligned, effectively improving the installation accuracy of the junction box and the smoothing success rate of the busbar. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the modular installation equipment for photovoltaic module junction boxes in this embodiment;

[0022] Figure 2 for Figure 1 A magnified front view of the local structure;

[0023] Figure 3 for Figure 1 Enlarged schematic diagram of the structure of the module installed in the middle;

[0024] Figure 4 for Figure 3A magnified schematic diagram of a local structure;

[0025] Figure 5 for Figure 4 Enlarged schematic diagram of the middle clamping component;

[0026] Figure 6 for Figure 4 Enlarged schematic diagram of the structure of the smoothing component;

[0027] Figure 7 for Figure 4 Enlarged schematic diagram of a portion of the rectifier module;

[0028] Among them: A. Feeding device;

[0029] B. Transmission device; B1. First transmission line; B2. Second transmission line; d. Guide component; w. Temporary storage station; B3. NG material box; B4. Detector;

[0030] C. Installation device; C1. Left installation robot; C2. Right installation robot; z. Installation module; 1. Base; 2. Flattening assembly; 20. Pressure plate; 21. Elastic element; q. Limiting zone; 3. Clamping assembly; 30. Clamping arm; 31. Clamping power unit; 4. Smoothing assembly; 40. Gripper; 400. Gripper body; 401. Connecting module; 41. Smoothing power unit; 5. Alignment assembly; 50. Reference module; 51. Alignment module; d1. Contact section; d2. Connecting section; 52. Alignment power unit; 6. Gripper; 7. Detection camera; b. Robotic arm;

[0031] G, Photovoltaic module; X, Module transmission line. Detailed Implementation

[0032] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the present utility model will be described in detail below with reference to the accompanying drawings and specific embodiments. Many specific details are set forth in the following description to provide a full understanding of the present utility model. However, the present utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of the present utility model. Therefore, the present utility model is not limited to the specific embodiments disclosed below.

[0033] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0034] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0035] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0036] In utility models, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0037] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0038] like Figures 1 to 7 As shown, the modular installation equipment for photovoltaic module junction boxes in this embodiment includes a feeding device A, a transmission device B, and an installation device C. In this embodiment, the photovoltaic module G extends along the front-to-back direction via the module transmission line X, and the photovoltaic module G is transmitted horizontally back and forth.

[0039] Specifically, the feeding device A is prior art, and its specific structure can be found in another Chinese patent published by the applicant, CN118306780A. Therefore, it will not be described in detail here. In this embodiment, the feeding device B is located on the left side of the component transmission line X.

[0040] In this example, the transmission device B is connected to the first transmission line B1 and the second transmission line B2, which are respectively connected to the discharge port of the feeding device A. Temporary storage stations w are formed on the first transmission line B1 and the second transmission line B2, corresponding to the left and right sides of the photovoltaic module G.

[0041] In some specific embodiments, the first transmission line B1 and the second transmission line B2 are staggered and arranged above the module transmission line X (or photovoltaic module G), and both use conventional conveyor belts; the first transmission line B1 is L-shaped (based on the push of the upper scraper, the junction box moves from one branch of the L-shape to another branch to change the transmission direction), and the second transmission line B2 is straight. The first transmission line B1 and the second transmission line B2 respectively form temporary storage stations w on the corresponding side of the photovoltaic module G from their ends.

[0042] Meanwhile, the first transmission line B1 and the second transmission line B2 are each equipped with a guide component d forming a guide zone, wherein each guide zone gradually narrows along the corresponding junction box transmission direction; the guide component d is composed of guide plates located on both sides. This allows for position adjustment and guidance of the junction box during transmission, thereby increasing the probability of accurate material handling by the robotic arm.

[0043] For ease of implementation, the transmission device B also includes NG (Not From Good) boxes B3 and detectors B4. There are two NG boxes B3, correspondingly located at the ends of the first transmission line B1 and the second transmission line B2. There are two detectors B4, correspondingly located above the left and right temporary storage stations w. Each detector B4 employs a visual inspection component to detect the position, orientation, and quality of the junction boxes. The first transmission line B1 and the second transmission line B2 drive non-compliant junction boxes from the temporary storage station w to the corresponding NG box B3. This ensures the recycling of non-compliant junction boxes and prevents them from being incorrectly installed on photovoltaic modules.

[0044] In this example, the installation device C includes a left installation robot C1 and a right installation robot C2 that are connected to the left and right temporary storage stations w respectively. That is, the photovoltaic module G is transported to the preset position by the module transmission line X along the front-back direction, and the left and right installation robots pick up the material from the corresponding temporary storage station and install the junction box on the photovoltaic module from the left and right directions respectively. Under this layout, the first and second transmission lines realize multi-level, non-interfering material feeding, and the structure is compact, with short working strokes of each robot and high installation efficiency.

[0045] In some specific embodiments, the left installation robot C1 and the right installation robot C2 respectively include an installation module z and a robotic arm b that drives the installation module z to move between the corresponding temporary storage station and the photovoltaic module. The installation module z includes a base 1, a flattening component 2, a clamping component 3, a smoothing component 4, and a straightening component 5, defining a first direction and a second direction that are perpendicular to each other.

[0046] Flattening component 2, clamping component 3, smoothing component 4, and straightening component 5 are all mounted on base 1. Base 1 is mounted on the movable end of robotic arm b, and the robotic arm b drives base 1 to lift and rotate to flexibly transfer and install junction boxes between temporary storage station w and photovoltaic module G. Robotic arm b can be any conventional robotic arm, which will not be elaborated here.

[0047] In this example, the flattening assembly 2 is used to flatten the junction box downwards, and includes two pressure plates 20 spaced apart in the first direction and a plurality of elastic members 21 connected between each pressure plate 20 and the base 1, wherein a limiting area q is formed between the two pressure plates 20, and the clamping assembly 3 is disposed within the limiting area q.

[0048] In some specific embodiments, each pressure plate 20 is a U-shaped plate with its opening facing the clamping assembly 3, and the multiple elastic elements 21 are divided into two groups, with each group having four elastic elements distributed on opposite sides of each U-shaped plate, wherein each elastic element 21 is a spring. Here, while achieving limiting, it can also provide space to satisfy the movement of the clamping assembly, improving the structural compactness; at the same time, based on the U-shaped pressure plates, a pressing area is formed around the clamping part of the clamping assembly on the junction box, improving the clamping position accuracy.

[0049] In this example, the clamping assembly 3 clamps or releases the junction box in a first direction and includes two clamping arms 30 spaced apart along the first direction and a clamping power unit 31 that drives the two clamping arms 30 to move toward or away from each other. The clamping power unit 31 is any conventional cylinder, and the clamping end of each clamping arm 30 extends along a second direction.

[0050] In this example, the smoothing assembly 4 is used to smooth the part of the busbar that extends out of the junction box, and includes two claws 40 spaced apart along the second direction and a smoothing power unit 41 fixed on the base 1, wherein the smoothing power unit 41 is a cylinder and drives the two claws 40 to move away from each other along the second direction to smooth the busbar.

[0051] In some specific embodiments, two claws 40 are symmetrically arranged, and each claw 40 includes an L-shaped claw body 400 and a connecting module 401 connecting the claw body 400 and the output end of the smoothing power unit 41. One end of the claw body 400 is vertically downward and forms a toggle end, which is simultaneously located between the two clamping arms 30. A clearance space is formed between the claw body 400, the smoothing power unit 41, and the connecting module 401. The clamping power unit 31 passes through the clearance space and is fixed on the base 1. Here, the structure is simple and easy to install and implement.

[0052] In this example, the calibrating component 5 includes a reference module 50, a calibrating module 51, and a calibrating power unit 52. The reference module 50 and the calibrating module 51 are distributed at both ends of the junction box in the second direction, and the actuating end of the smoothing component 4 is located between the reference module 50 and the calibrating module 51. When the flattening component 2 flattens the junction box, the calibrating power unit 52 drives the calibrating module 51 to move towards the reference module 50 and drives the junction box to abut against the reference module 50. As the junction box aligns with the installation position on the photovoltaic module, the busbar can simultaneously pass through the junction box and align with the actuating end of the smoothing component 4.

[0053] In some specific embodiments, the reference module 50 and the correction module 51 each include an abutment section d1 extending along a first direction and a connecting section d2 that bends upward from one end of the abutment section d1 to avoid the smoothing component 5 in a second direction. The reference module 50 is fixedly connected to the base 1 from the connecting section d2, and the correction module 51 is connected to the correction power unit 52 from the connecting section. During correction, both ends of the junction box are respectively in contact with the inner wall surface of the corresponding abutment section d1. The correction power unit 52 is a cylinder. This is to facilitate the smoothing of the busbar while keeping the junction box in the corrected state and to avoid positional displacement of the junction box during the smoothing action.

[0054] Meanwhile, the contact sections d1 of the reference module 50 and the correction module 51 are aligned in the second direction. Here, the junction box is kept balanced by forces in the second direction.

[0055] In addition, the mounting module of this embodiment also includes a clamp 6 mounted on the base 1 for holding the coil on the junction box, and a detection camera 7 mounted on the base 1 for locating the position of the busbar on the photovoltaic module.

[0056] In summary, after adopting this modular installation equipment for photovoltaic module junction boxes, firstly, the feeding device outputs the junction box from the discharge port along the first and second transmission lines to the temporary storage stations located on the left and right sides of the photovoltaic module; then, the left and right installation robotic arms drive the installation module to move between the corresponding temporary storage station and the photovoltaic module. During material handling, the flattening component flattens the junction box downwards, with the reference module and the alignment module positioned at both ends of the junction box in the second direction. Then, the alignment power unit drives the alignment module to move towards the reference module and force the junction box to abut against the reference module to complete the alignment of the junction box; next, the clamping component clamps the junction box in the first direction perpendicular to the second direction; finally, as the junction box aligns with the installation position on the photovoltaic module (i.e., the insertion port on the junction box aligns with the lead end of the busbar), the busbar simultaneously passes through the junction box and aligns with the toggle end. The movement of the toggle end smooths the busbar, completing the installation of the junction box. Therefore, compared with the prior art, this utility model, on the one hand, is based on the layout of the first and second transmission lines and the left and right installation robots, to realize the simultaneous installation of junction boxes from both sides of the photovoltaic module, which is simple to operate, has high installation efficiency, and low cost; on the other hand, based on the perpendicular first and second directions, and through the reference module and the alignment module to perform alignment in the second direction, and the clamping component to perform clamping in the first direction, it improves the clamping position accuracy of the junction box, ensuring that the junction box, the smoothing component, and the busbar are accurately aligned, effectively improving the installation accuracy of the junction box and the smoothing success rate of the busbar; thirdly, the first and second transmission lines realize multi-level, non-interfering feeding, and the structure The design is compact, with short working strokes for each robotic arm, resulting in high installation efficiency. Fourthly, it ensures the recovery of non-compliant junction boxes, preventing incorrect installation onto photovoltaic modules. Fifthly, it enables position adjustment and guidance of the junction boxes during transport, improving the probability of accurate material handling by the robotic arms. Sixthly, it facilitates the smoothing of busbars while keeping the junction boxes in a centered position, preventing positional shifts during the smoothing process. Seventhly, it provides space for clamping module movement while achieving limit positioning, enhancing structural compactness. Simultaneously, based on the U-shaped pressure plate, a pressing area is formed around the clamping part of the module on the junction box, improving clamping position accuracy.

[0057] The present utility model has been described in detail above, with the aim of enabling those skilled in the art to understand its contents and implement it. However, this description should not be construed as limiting the scope of protection of the present utility model. All equivalent changes or modifications made in accordance with the spirit and essence of the present utility model should be included within the scope of protection of the present utility model.

Claims

1. A modular installation device for photovoltaic module junction boxes, comprising a feeding device, a conveying device, and an installation device, characterized in that, The transmission device includes a first transmission line and a second transmission line respectively connected to the discharge port of the feeding device, wherein temporary storage stations corresponding to the left and right sides of the photovoltaic module are formed on the first and second transmission lines; the installation device includes a left installation robot and a right installation robot connected to the left and right temporary storage stations respectively, and the left and right installation robots each include an installation module and a robotic arm that drives the installation module to move between the corresponding temporary storage station and the photovoltaic module, wherein the installation module includes a flattening component for flattening the junction box and a component for clamping or releasing the junction box in a first direction. The device includes a clamping assembly, a smoothing assembly for smoothing the portion of the busbar that protrudes from the junction box, and a straightening assembly. The straightening assembly includes a reference module and a straightening module distributed at both ends of the junction box in a second direction perpendicular to the first direction, and a straightening power unit. The actuating end of the smoothing assembly is located between the reference module and the straightening module. When the smoothing assembly flattens the junction box, the straightening power unit drives the straightening module to move towards the reference module and causes the junction box to abut against the reference module. As the junction box aligns with the installation position on the photovoltaic module, the busbar simultaneously protrudes from the junction box and aligns with the actuating end.

2. The modular installation equipment for photovoltaic module junction boxes according to claim 1, characterized in that, The first transmission line and the second transmission line are staggered and positioned above the photovoltaic module; and / or, the first transmission line and the second transmission line respectively form temporary storage stations located on the corresponding side of the photovoltaic module from their ends.

3. The modular installation equipment for photovoltaic module junction boxes according to claim 1, characterized in that, The transmission device also includes NG boxes and detectors. There are two NG boxes, which are correspondingly located at the ends of the first transmission line and the second transmission line. There are two detectors, which are correspondingly located above the left and right temporary storage stations. Each detector is used to detect the position, orientation, and quality of the junction box. The first transmission line and the second transmission line drive the non-compliant junction box from the temporary storage station to the corresponding NG box.

4. The modular installation equipment for photovoltaic module junction boxes according to claim 1, characterized in that, The first transmission line and the second transmission line are also provided with guide components that form guide areas, wherein each guide area is gradually narrowed along the corresponding junction box transmission direction.

5. The modular installation equipment for photovoltaic module junction boxes according to claim 1, characterized in that, The reference module and the correction module each include an abutment section extending along a first direction and a connecting section that bends upward from one end of the abutment section to avoid the smoothing component in a second direction. The reference module is fixedly connected to the base via the connecting section, and the correction module is connected to the correction power unit via the connecting section. During correction, both ends of the junction box are respectively in contact with the inner wall surface of the corresponding abutment section. The abutment sections of the reference module and the correction module are aligned in the second direction.

6. The modular installation equipment for photovoltaic module junction boxes according to claim 1, characterized in that, The flattening assembly includes two pressure plates spaced apart in a first direction and a plurality of elastic elements connected between each pressure plate and the base, wherein a limiting area is formed between the two pressure plates and the clamping assembly is disposed within the limiting area; each pressure plate is a U-shaped plate with an opening facing the clamping assembly, and the plurality of elastic elements are distributed on opposite sides of each U-shaped plate.

7. The modular installation equipment for photovoltaic module junction boxes according to claim 1, characterized in that, The clamping assembly includes two clamping arms spaced apart along a first direction and a clamping power unit that drives the two clamping arms to move toward or away from each other, wherein the actuating end is synchronously located between the two clamping arms.

8. The modular installation equipment for photovoltaic module junction boxes according to claim 7, characterized in that, The smoothing assembly includes two claws spaced apart along a second direction and a smoothing power unit fixed on the base, wherein the smoothing power unit drives the two claws to move away from each other along the second direction to smooth the busbar.

9. The modular installation equipment for photovoltaic module junction boxes according to claim 8, characterized in that, The two claws are symmetrically arranged, and each claw includes an L-shaped claw body and a connecting module connecting the claw body and the output end of the smoothing power device. One end of the claw body is vertically downward and forms the actuating end. An obstacle space is formed between the claw body, the smoothing power device, and the connecting module. The clamping power device passes through the obstacle space.

10. The modular installation equipment for photovoltaic module junction boxes according to claim 1, characterized in that, The mounting module further includes grippers for holding coils on the junction box; and / or, the mounting module further includes a detection camera for locating the position of busbars on the photovoltaic module.

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