Photovoltaic module support limiting device

Abstract

The application relates to a photovoltaic module supporting and limiting device, which comprises a base assembly and a clamping assembly. The base assembly is provided with an installation cavity in communication with the outside world, and the installation cavity is used for accommodating a photovoltaic module. The clamping assembly is arranged on the cavity wall of the installation cavity and is used for clamping the wire harness of the photovoltaic module. By arranging the base assembly and the clamping assembly, the installation cavity of the base assembly can provide a stable accommodating space for the photovoltaic module, so that the photovoltaic module can be ensured to be in a preset test position during power testing. The clamping assembly is arranged on the cavity wall of the installation cavity and can directly clamp and fix the wire harness of the photovoltaic module, so that the position of the wire harness during testing can be limited, the wire harness can be prevented from shielding the battery of the photovoltaic module due to its own gravity or deformation, and the wire harness does not need to be repeatedly confirmed and regularized by an operator.

Description

Technical Field

[0001] This application relates to the field of photovoltaic module testing technology, and in particular to a photovoltaic module support and limiting device. Background Technology

[0002] With the continuous upgrading of photovoltaic module technology, double-glass modules have largely replaced single-glass modules due to their superior power generation performance and high reliability. Unlike single-glass modules, double-glass modules require power testing not only on the front side but also on the back side. However, currently, during power testing of the back side of bifacial modules, the wiring harness located on the back side can obstruct the back cells. After connecting the terminals, operators need to straighten the wiring harness to ensure it does not obstruct the back cells. However, during testing, the wiring harness may obstruct the cells again due to its own weight or deformation. This requires operators to confirm and readjust the wiring harness. This process reduces the accuracy of the power testing equipment's back-side power measurement and significantly decreases production efficiency due to repeated operator intervention. Utility Model Content

[0003] Therefore, it is necessary to provide a photovoltaic module support and limiting device to address the issue that the wiring harness may cause the battery to be blocked again due to its own weight or deformation during testing.

[0004] A photovoltaic module support and limiting device, the photovoltaic module support and limiting device comprising:

[0005] The base assembly has a mounting cavity communicating with the outside world, the mounting cavity being used to accommodate photovoltaic modules;

[0006] A clamping assembly is disposed on the cavity wall of the mounting cavity, and the clamping assembly is used to clamp the wiring harness of the photovoltaic module.

[0007] In one embodiment, the clamping assembly includes a clamping member and a first locking member. One end of the clamping member is slidably connected to the cavity wall of the mounting cavity, and the other end is provided with a snap-fit ​​groove for snapping the wire harness. The first locking member is used to lock the clamping member and the cavity wall of the mounting cavity.

[0008] In one embodiment, the clamping member includes a clamping slider, a screw, and a snap-fit ​​block connected in sequence. The clamping slider is slidably connected to the cavity wall of the mounting cavity. The snap-fit ​​block is provided with the snap-fit ​​groove. The first locking member is sleeved on the screw and threadedly engaged with the screw.

[0009] In one embodiment, the groove wall of the snap-fit ​​groove is provided with an elastic pad, which is used to fit against the outer peripheral surface of the wire harness.

[0010] In one embodiment, the base assembly includes a movable crossbeam and a fixed crossbeam arranged along a first direction, the movable crossbeam being movable along the first direction, wherein the first direction is the height direction of the photovoltaic module, and the clamping assembly is disposed on the movable crossbeam and / or the fixed crossbeam.

[0011] In one embodiment, the base assembly further includes: a support base, a connecting beam, and a support column. The support base and the connecting beam are arranged along the first direction and connected by the support column. The movable crossbeam and the fixed crossbeam are disposed between the support base and the connecting beam and connected to the support column. The movable crossbeam, the support column, and the fixed crossbeam form the mounting cavity.

[0012] In one embodiment, the photovoltaic module support limiting device further includes a lifting component, the lifting component comprising:

[0013] Both the drive unit and the cable winch are mounted on the connecting beam, and the output end of the drive unit is connected to the cable winch.

[0014] The lifting assembly includes a fixed pulley, a movable pulley, and a fixed base. The fixed pulley and the fixed base are mounted on the connecting beam, and the movable pulley is mounted on the movable crossbeam.

[0015] The cable has one end wound around the cable winch and the other end passing through the fixed pulley and the movable pulley in sequence before being connected to the fixed base.

[0016] In one embodiment, a fixed pulley, a movable pulley, and a fixed base are considered as one unit, and multiple lifting groups are provided, with the multiple lifting groups arranged at intervals along the length direction of the movable crossbeam.

[0017] In one embodiment, the photovoltaic module support limiting device further includes a limiting component that slides with the cavity wall of the mounting cavity. The limiting component is used to clamp the photovoltaic module along a second direction, wherein the second direction is the thickness direction of the photovoltaic module.

[0018] In one embodiment, the limiting component includes:

[0019] A frame clamp is provided, which slides in conjunction with the wall of the mounting cavity, and the sliding direction of the frame clamp is parallel to a third direction, wherein the third direction is the length direction of the photovoltaic module.

[0020] The sliding block is slidably engaged with the frame clamp, and the sliding direction of the sliding block is parallel to the second direction. The sliding block can abut against the sidewall of the photovoltaic module distributed along the second direction.

[0021] The second locking component locks the frame clamp and the sliding pressure block.

[0022] In one embodiment, the frame clamp is provided with a limiting groove, the groove wall of which is used to abut against one side wall of the photovoltaic module distributed along the second direction, and the sliding block abuts against another side wall of the photovoltaic module distributed along the second direction.

[0023] The aforementioned photovoltaic module support and limiting device, through the inclusion of a base component and a clamping component, provides a stable housing space for the photovoltaic module within its mounting cavity. This ensures the photovoltaic module remains in the preset test position during power testing. Simultaneously, the mounting cavity is connected to the outside environment, facilitating the insertion and removal of the photovoltaic module by operators, thus improving operational convenience. The clamping component, positioned on the cavity wall, directly clamps and fixes the photovoltaic module's wiring harness, limiting its position during testing and preventing displacement due to its own weight or deformation that could obstruct the photovoltaic module's cells. Furthermore, the clamping component eliminates the need for operators to repeatedly check and adjust the wiring harness, ensuring the accuracy of power testing on the back of the module, reducing test errors, and saving operators repetitive steps. Attached Figure Description

[0024] Figure 1 This is a first-view structural schematic diagram of the photovoltaic module support and limiting device provided in the embodiments of this application.

[0025] Figure 2 This is a second-view structural schematic diagram of the photovoltaic module support and limiting device provided in an embodiment of this application.

[0026] Figure 3 for Figure 2 A magnified view of a portion at point A.

[0027] Figure 4 This is a schematic diagram of the clamping assembly provided in an embodiment of this application.

[0028] Figure 5 This is a third-view structural schematic diagram of the photovoltaic module support and limiting device provided in the embodiments of this application.

[0029] Figure 6 for Figure 5 A magnified view of a section at point B.

[0030] Figure 7 This is a fourth-view structural schematic diagram of the photovoltaic module support and limiting device provided in the embodiments of this application.

[0031] Figure 8 for Figure 7 A magnified view of a section at point C.

[0032] Figure label:

[0033] 100. Base assembly; 110. Support base; 120. Connecting beam; 130. Support column; 140. Moving crossbeam; 150. Fixed crossbeam; 160. L-shaped connecting bar;

[0034] 200. Clamping assembly; 210. Clamping element; 211. Clamping slider; 212. Screw; 213. Snap-fit ​​block; 2131. Snap-fit ​​groove; 220. First locking element; 230. Elastic pad;

[0035] 300. Lifting assembly; 310. Drive unit; 320. Cable winch; 330. Lifting group; 331. Fixed pulley; 332. Moving pulley; 333. Fixed base; 340. Cable; 350. Driving bevel gear; 360. Driven bevel gear;

[0036] 400. Limiting component; 410. Frame clamp; 420. Sliding pressure block; 430. Second locking component;

[0037] 500. Photovoltaic modules; 510. Wiring harnesses. Detailed Implementation

[0038] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application 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 this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0039] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not 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 application.

[0040] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0041] In this application, unless otherwise expressly 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 expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0042] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via 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. Similarly, "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.

[0043] It should be noted that if 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. If 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. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0044] This application provides a photovoltaic module support and limiting device, such as... Figures 1 to 4 As shown, the photovoltaic module support and limiting device includes:

[0045] The base assembly 100 has a mounting cavity that communicates with the outside world and is used to accommodate the photovoltaic module 500;

[0046] The clamping assembly 200 is disposed on the cavity wall of the mounting cavity and is used to clamp the wiring harness 510 of the photovoltaic module 500.

[0047] The aforementioned photovoltaic module support and limiting device, by setting up a base component 100 and a clamping component 200, provides a stable housing space for the photovoltaic module 500 within the mounting cavity of the base component 100, ensuring that the photovoltaic module 500 is in the preset test position during power testing. Simultaneously, the mounting cavity is connected to the outside, facilitating the insertion and removal of the photovoltaic module 500 by operators, thus improving operational convenience. The clamping component 200, positioned on the cavity wall of the mounting cavity, directly clamps and fixes the wiring harness 510 of the photovoltaic module 500, limiting the position of the wiring harness 510 during testing and preventing it from shifting due to its own weight or deformation and obstructing the cells of the photovoltaic module 500. Furthermore, the clamping component 200 eliminates the need for operators to repeatedly check and adjust the wiring harness 510, ensuring the accuracy of the power testing equipment's measurement of the back of the module, reducing test errors, and saving operators from repetitive operational steps.

[0048] In one embodiment, such as Figures 1 to 4 As shown, the clamping assembly 200 includes a clamping member 210 and a first locking member 220. One end of the clamping member 210 is slidably connected to the cavity wall of the mounting cavity, and the other end is provided with a locking groove 2131 for securing the wiring harness 510. The first locking member 220 is used to lock the clamping member 210 and the cavity wall of the mounting cavity. The slidable connection between one end of the clamping member 210 and the cavity wall of the mounting cavity allows the clamping member 210 to be adjusted along the cavity wall of the mounting cavity, while the locking groove 2131 at the other end of the clamping member 210 ensures accurate securing of the wiring harness 510. After the clamping member 210 is adjusted to the appropriate position, the first locking member 220 locks the clamping member 210 to the cavity wall of the mounting cavity, preventing the clamping member 210 from shifting during testing, which could cause the wiring harness 510 to loosen or shift.

[0049] In one embodiment, such as Figures 1 to 4As shown, the clamping member 210 includes a clamping slider 211, a screw 212 and a snap-fit ​​block 213 connected in sequence. The clamping slider 211 is slidably connected to the cavity wall of the mounting cavity. The snap-fit ​​block 213 is provided with a snap-fit ​​groove 2131. The first locking member 220 is sleeved on the screw 212 and is threadedly connected to the screw 212. The clamping slider 211 is slidably connected to the wall of the mounting cavity to ensure that the clamping member 210 can move smoothly to the position of the matching wire harness 510; the snap-fit ​​groove 2131 on the snap-fit ​​block 213 can directly snap and limit the wire harness 510 of the photovoltaic module 500 to achieve the positioning of the wire harness 510; the first locking member 220 is sleeved on the screw 212 and threadedly connected to the screw 212. When the clamping member 210 is adjusted to the appropriate position, by tightening the first locking member 220, the clamping member 210 can be tightly locked to the wall of the mounting cavity by the tightness of the threaded connection, so as to avoid the clamping member 210 shifting during the test and causing the wire harness 510 to loosen or shift.

[0050] It should be noted that when the first locking member 220 locks the clamping member 210 and the cavity wall of the mounting cavity, the first locking member 220 abuts against the cavity wall of the mounting cavity.

[0051] In one embodiment, such as Figures 1 to 4 As shown, an elastic pad 230 is provided on the groove wall of the snap-fit ​​groove 2131. The elastic pad 230 is used to conform to the outer peripheral surface of the wire harness 510. By providing the elastic pad 230 on the groove wall of the snap-fit ​​groove 2131, when the wire harness 510 of the photovoltaic module 500 is snapped into the snap-fit ​​groove 2131, the elastic pad 230 can conform to the outer peripheral surface of the wire harness 510. The elastic pad 230 can flexibly clamp the wire harness 510 using its own elastic properties, avoiding wear on the outer sheath or damage to the internal wire core caused by rigid snap-fit. Moreover, the contact between the elastic pad 230 and the outer peripheral surface of the wire harness 510 increases the friction between them, further restricting the movement of the wire harness 510 within the snap-fit ​​groove 2131.

[0052] In one embodiment, such as Figure 1 , Figure 3 as well as Figure 5As shown, the base assembly 100 includes a movable crossbeam 140 and a fixed crossbeam 150 arranged along a first direction. The movable crossbeam 140 is movable along the first direction, which is the height direction of the photovoltaic module 500. A clamping assembly 200 is disposed on the movable crossbeam 140 and / or the fixed crossbeam 150. By providing the clamping assembly 200 on the movable crossbeam 140 and / or the fixed crossbeam 150, the wiring harness 510 of the photovoltaic module 500 is clamped. The movable crossbeam 140 is movable along the first direction, thereby adjusting the distance between the movable crossbeam 140 and the fixed crossbeam 150, which can accommodate photovoltaic modules 500 of different height specifications. Moreover, by adjusting the position of the movable crossbeam 140, it can be ensured that the photovoltaic module 500 is in a stable test position in the height direction after being placed in the mounting cavity, avoiding shaking or displacement of the photovoltaic module 500 due to improper height adaptation.

[0053] In this embodiment, as Figure 1 As shown, clamping components 200 are provided on both the movable crossbeam 140 and the fixed crossbeam 150.

[0054] In other embodiments, a clamping component 200 may be provided on the movable crossbeam 140 or the fixed crossbeam 150, and the specific location of the clamping component 200 may be set according to the actual operation requirements.

[0055] In one embodiment, a plurality of clamping assemblies 200 are provided on the movable crossbeam 140 and / or the fixed crossbeam 150, and the plurality of clamping assemblies 200 are arranged at intervals along the length direction of the movable crossbeam 140 and / or the fixed crossbeam 150.

[0056] In one embodiment, such as Figure 1 , Figure 3 as well as Figure 5 As shown, the base assembly 100 also includes: a support base 110, a connecting beam 120, and a support column 130. The support base 110 and the connecting beam 120 are arranged along a first direction and connected by the support column 130. A movable crossbeam 140 and a fixed crossbeam 150 are located between the support base 110 and the connecting beam 120 and connected to the support column 130. The movable crossbeam 140, the support column 130, and the fixed crossbeam 150 form an installation cavity. The support base 110 and the connecting beam 120 are arranged along the first direction (the height direction of the photovoltaic module 500) and connected by the support column 130, forming a stable vertical support structure. The movable crossbeam 140 and the fixed crossbeam 150 are located between the support base 110 and the connecting beam 120 and connected to the support column 130. The installation cavity formed by these three components can precisely accommodate the photovoltaic module 500.

[0057] In one embodiment, such as Figure 1 , Figure 3 as well as Figure 5As shown, the base assembly 100 also includes an L-shaped connecting rib 160, which is provided at the connection between the support column 130 and the movable crossbeam 140, and the connection between the support column 130 and the fixed crossbeam 150.

[0058] In one embodiment, such as Figures 5 to 7 As shown, the photovoltaic module support and limiting device also includes a lifting component 300, which includes:

[0059] The drive unit 310 and the cable winch 320 are mounted on the connecting beam 120, and the output end of the drive unit 310 is connected to the cable winch 320.

[0060] The lifting assembly 330 includes a fixed pulley 331, a movable pulley 332, and a fixed seat 333. The fixed pulley 331 and the fixed seat 333 are mounted on the connecting beam 120, and the movable pulley 332 is mounted on the movable crossbeam 140.

[0061] The cable 340 has one end wound around the cable winch 320, and the other end passes through the fixed pulley 331 and the movable pulley 332 in sequence before being connected to the fixed base 333.

[0062] By setting up the lifting assembly 300, the driving component 310 and the cable winch 320 are mounted on the connecting beam 120. A fixed pulley 331 is mounted on the connecting beam 120, and a movable pulley 332 is mounted on the moving crossbeam 140. The movable pulley 332 and the fixed pulley 331 work together to change the force direction on the cable 340 and achieve effortless transmission. When the driving component 310 drives the cable winch 320 to rotate, the cable 340 wound around the cable winch 320 can sequentially pass over the fixed pulley 331 and the movable pulley 332, pulling the moving crossbeam 140 to move along the first direction (the height direction of the photovoltaic module 500). The fixed base 333 is mounted on the connecting beam 120 to provide a stable fixed end point for the cable 340, ensuring that the cable 340 will not become loose during transmission, preventing the moving crossbeam 140 from becoming uncontrollable.

[0063] In one embodiment, such as Figures 5 to 7 As shown, multiple lifting groups 330 are provided, and these groups are arranged at intervals along the length of the moving crossbeam 140. The arrangement of multiple lifting groups 330 allows for simultaneous application of force to the moving crossbeam 140 from different positions, ensuring more even force distribution at each point as the moving crossbeam 140 moves along the first direction. This prevents tilting or jamming of the moving crossbeam 140 caused by the force applied by a single or a few lifting groups 330. Furthermore, the coordinated operation of multiple lifting groups 330 further improves the accuracy of the moving crossbeam 140's position adjustment, ensuring that the adjusted moving crossbeam 140 accurately matches the height of the photovoltaic module 500.

[0064] In this embodiment, as Figures 5 to 7As shown, the lifting group 330 has two groups, which are arranged at intervals along the length direction, and the fixed seat 333 is located on the side of the fixed pulley 331 away from the cable winch 320.

[0065] In one embodiment, such as Figures 5 to 7 As shown, the lifting assembly 300 also includes a driving bevel gear 350 and a driven bevel gear 360 for meshing transmission. The driving bevel gear 350 is connected to the output end of the drive unit 310, and the driven bevel gear 360 is connected to the cable winch 320.

[0066] In one embodiment, such as Figure 7 and Figure 8 As shown, the photovoltaic module support and limiting device also includes a limiting component 400, which slides against the wall of the mounting cavity. The limiting component 400 is used to clamp the photovoltaic module 500 along a second direction, where the second direction is the thickness direction of the photovoltaic module 500. By setting the limiting component 400, which slides against the wall of the mounting cavity, the clamping position can be flexibly adjusted according to the thickness specifications of the photovoltaic module 500. Moreover, the limiting component 400 can clamp the photovoltaic module 500 along the second direction (the thickness direction of the photovoltaic module 500), preventing the photovoltaic module 500 from shifting or shaking along the thickness direction due to external interference or its own unstable placement during testing.

[0067] In one embodiment, such as Figure 7 and Figure 8 As shown, the limiting component 400 includes:

[0068] The frame clamp 410 slides with the cavity wall of the mounting cavity, and the sliding direction of the frame clamp 410 is parallel to the third direction, wherein the third direction is the length direction of the photovoltaic module 500.

[0069] The sliding block 420 is slidably engaged with the frame clamp 410, and the sliding direction of the sliding block 420 is parallel to the second direction. The sliding block 420 can abut against the side wall of the photovoltaic module 500 distributed along the second direction.

[0070] The second locking element 430, the locking frame clamp 410, and the sliding pressure block 420.

[0071] The frame clamp 410 slides against the wall of the mounting cavity, and the sliding direction is parallel to a third direction (the length direction of the photovoltaic module 500), so that the frame clamp 410 can be adjusted along the length direction of the photovoltaic module 500; the sliding block 420 slides against the frame clamp 410, and the sliding direction is parallel to a second direction (the thickness direction of the photovoltaic module 500), so that it can be clamped in the thickness direction of the photovoltaic module 500 by sliding against the side wall distributed along the thickness direction of the photovoltaic module 500; the second locking member 430 can lock and fix the adjusted frame clamp 410 and the sliding block 420 to prevent the module from loosening due to displacement of the two during the test.

[0072] In one embodiment, the frame clamp 410 is provided with a limiting groove. The groove wall abuts against one side wall of the photovoltaic module 500 distributed along the second direction, and the sliding pressure block 420 abuts against another side wall of the photovoltaic module 500 distributed along the second direction. By providing a limiting groove on the frame clamp 410, when the photovoltaic module 500 is positioned, the groove wall of the limiting groove can first abut against one side wall of the photovoltaic module 500 distributed along the second direction (thickness direction of the photovoltaic module 500), providing initial positioning support for the photovoltaic module 500 and preventing the photovoltaic module 500 from shifting during subsequent clamping operations. At the same time, the sliding pressure block 420 abuts against the other side wall of the photovoltaic module 500 distributed along the second direction, forming a counter-clamping force with the groove wall of the limiting groove, and firmly clamping the photovoltaic module 500 from both sides in the thickness direction.

[0073] In this embodiment, as Figure 7 and Figure 8 As shown, both the movable crossbeam 140 and the fixed crossbeam 150 are equipped with limiting components 400.

[0074] In other embodiments, the limiting component 400 may be provided only on the movable crossbeam 140, while other limiting structures, such as limiting blocks or limiting grooves, may be provided on the fixed crossbeam 150.

[0075] In other embodiments, the limiting component 400 may be provided only on the fixed crossbeam 150, while other limiting structures, such as limiting blocks or limiting grooves, may be provided on the movable crossbeam 140.

[0076] It should be noted that the first direction, the second direction, and the third direction are perpendicular to each other.

[0077] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0078] The above embodiments merely illustrate several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A photovoltaic module support limiting device, characterized by, The photovoltaic module support limiting device comprises: A base assembly (100) having a mounting cavity in communication with the outside world, the mounting cavity being used to accommodate a photovoltaic module (500); A clamping assembly (200) provided on the cavity wall of the mounting cavity, the clamping assembly (200) being used to clamp a wire harness (510) of the photovoltaic module (500).

2. The photovoltaic module support limiting device of claim 1, wherein, The clamping assembly (200) comprises a clamping piece (210) and a first locking piece (220), one end of the clamping piece (210) being in sliding connection with the cavity wall of the mounting cavity, the other end being provided with a clamping groove (2131) used to clamp the wire harness (510), the first locking piece (220) being used to lock the clamping piece (210) and the cavity wall of the mounting cavity.

3. The photovoltaic assembly support limiting device of claim 2, wherein, The clamping piece (210) comprises a clamping sliding block (211), a screw rod (212) and a clamping block (213) connected in sequence, the clamping sliding block (211) being in sliding connection with the cavity wall of the mounting cavity, the clamping block (213) being provided with the clamping groove (2131), the first locking piece (220) being sleeved on the screw rod (212) and threadedly matched with the screw rod (212).

4. The photovoltaic assembly support limiting device of claim 3, wherein, The clamping groove (2131) is provided with an elastic pad (230) on the groove wall, the elastic pad (230) being used to fit the outer circumferential surface of the wire harness (510).

5. The photovoltaic module support and restraint apparatus of claim 1, wherein, The base assembly (100) comprises a moving cross beam (140) and a fixed cross beam (150) arranged along a first direction, the moving cross beam (140) being capable of moving along the first direction, wherein the first direction is the height direction of the photovoltaic module (500), the clamping assembly (200) being provided on the moving cross beam (140) and / or the fixed cross beam (150).

6. The photovoltaic assembly support limiting device of claim 5, wherein, The base assembly (100) further comprises a support base (110), a connecting beam (120) and a support column (130), the support base (110) and the connecting beam (120) being arranged along the first direction and connected through the support column (130), the moving cross beam (140) and the fixed cross beam (150) being provided between the support base (110) and the connecting beam (120) and connected to the support column (130), the moving cross beam (140), the support column (130) and the fixed cross beam (150) surrounding to form the mounting cavity.

7. The photovoltaic module support and restraint apparatus of claim 6, wherein, Further comprising a lifting assembly (300), the lifting assembly (300) comprising: A driving piece (310) and a cable winch (320), both being provided on the connecting beam (120), the output end of the driving piece (310) being connected to the cable winch (320); A lifting group (330) comprising a fixed pulley (331), a movable pulley (332) and a fixed seat (333), the fixed pulley (331) and the fixed seat (333) being provided on the connecting beam (120), the movable pulley (332) being provided on the moving cross beam (140); A cable (340) is wound on the cable winch (320) at one end and connected to the fixed seat (333) after passing through the fixed pulley (331) and the movable pulley (332) in sequence at the other end.

8. The photovoltaic module support and restraint apparatus of claim 7, wherein, The lifting groups (330) are arranged in multiple, and multiple lifting groups (330) are arranged along the length direction of the moving cross beam (140).

9. The photovoltaic module support and restraint apparatus of claim 1, wherein, Further comprising a limiting assembly (400) which is in sliding fit with the cavity wall of the mounting cavity, and the limiting assembly (400) is used for clamping the photovoltaic assembly (500) along a second direction, wherein the second direction is the thickness direction of the photovoltaic assembly (500).

10. The photovoltaic module support and restraint apparatus of claim 9, wherein, The limiting assembly (400) comprises: A frame clamp (410) which is in sliding fit with the cavity wall of the mounting cavity, and the sliding direction of the frame clamp (410) is parallel to a third direction, wherein the third direction is the length direction of the photovoltaic assembly (500); A sliding pressing block (420) which is in sliding fit with the frame clamp (410), and the sliding direction of the sliding pressing block (420) is parallel to the second direction, and the sliding pressing block (420) can abut against the side wall of the photovoltaic assembly (500) distributed along the second direction; A second locking member (430) which locks the frame clamp (410) and the sliding pressing block (420).

11. The photovoltaic module support and restraint apparatus of claim 10, wherein, The frame clamp (410) is provided with a limiting groove, and the groove wall of the limiting groove is used for abutting against one side wall of the photovoltaic assembly (500) distributed along the second direction, and the sliding pressing block (420) abuts against another side wall of the photovoltaic assembly (500) distributed along the second direction.

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