Connection bridge, connection bridge assembly and photovoltaic system

Abstract

This application discloses a connecting cable tray, a connecting cable tray assembly, and a photovoltaic system, belonging to the field of photovoltaic technology. The connecting cable tray, applied to a photovoltaic system, includes: a cable tray beam comprising multiple segments that are relatively movable; a first rotating arm, with its first end hinged to the first end of the cable tray beam and its second end hinged to a corresponding mounting bracket; and a second rotating arm, with its first end hinged to the second end of the cable tray beam and its second end hinged to a corresponding mounting bracket. At least one of the first and second rotating arms is provided with an anti-overturning structure. The connecting cable tray has a first state in which the anti-overturning structure cooperates with the mounting bracket corresponding to at least one of the first and second rotating arms to generate a force opposite to the overturning direction of the first and second rotating arms, thus limiting the overturning of at least one of the first and second rotating arms. This application uses the anti-overturning structure to generate a force opposite to the overturning direction of the rotating arms, thereby limiting the overturning of the rotating arms.

Description

Technical Field

[0001] This application belongs to the field of photovoltaic technology, and in particular relates to a connecting cable tray, a connecting cable tray assembly, and a photovoltaic system. Background Technology

[0002] In related technologies, to increase the total power generation of photovoltaic arrays, single-axis photovoltaic supports are typically arranged in strings along a north-south direction and track the sun's movement in real time. Considering the rotation mechanism of the single-axis tracking supports, adjacent supports may experience angular differences due to asynchronous rotation. Single-axis photovoltaic supports are usually connected by continuous flexible bridges. Cleaning robots move between the spaced photovoltaic panels via these flexible bridges, thus cleaning the panels efficiently and at low cost. However, when the single-axis photovoltaic support array rotates to a large tilt angle, the two ends of the flexible bridge may overturn due to wind. If this happens, the cleaning robot may fall off when it reaches the continuous bridge, indicating room for improvement. Utility Model Content

[0003] This application aims to at least solve one of the technical problems existing in the related art. To this end, this application proposes a connecting cable tray, a connecting cable tray assembly, and a photovoltaic system, which can reduce the risk of the connecting cable tray's swing arm tipping over.

[0004] In a first aspect, this application provides a connecting cable tray for use in a photovoltaic system, comprising: Bridge girder, comprising multiple segments that are relatively movable and coordinated; The first swing arm has a first end hinged to the first end of the bridge beam, and a second end hinged to the corresponding mounting bracket. The second swing arm has its first end hinged to the second end of the bridge beam, and its second end hinged to the corresponding mounting bracket. At least one of the first rotating arm and the second rotating arm is provided with an anti-rollover structure. The connecting bridge has a first state. In the first state, the anti-rollover structure cooperates with the mounting bracket corresponding to the at least one of the first rotating arm and the second rotating arm to generate a force opposite to the rollover direction of the first rotating arm and the second rotating arm to restrict the rollover of the at least one of the first rotating arm and the second rotating arm.

[0005] In the above technical solution, the anti-overturning structure generates a force opposite to the overturning direction of the first and second rotating arms to limit the overturning of at least one of the first and second rotating arms, which helps to reduce the risk of the rotating arms of the connecting cable tray overturning.

[0006] According to one embodiment of this application, the anti-rollover structure includes a limiting hook, the first end of which is hinged to at least one of the first rotating arm and the second rotating arm, and the second end of which is used to cooperate with the mounting bracket corresponding to at least one of the first rotating arm and the second rotating arm.

[0007] According to one embodiment of this application, at least one of the first rotating arm and the second rotating arm is provided with a movable groove on the side facing the corresponding mounting bracket, at least a portion of the limiting hook extends through the movable groove, and the connecting bridge has a second state in which the limiting hook does not cooperate with the corresponding mounting bracket.

[0008] According to one embodiment of this application, the limiting hook includes a plurality of connecting segments that are flexibly connected to each other. When at least one of the first rotating arm and the second rotating arm clamps the limiting hook with the corresponding mounting bracket, the plurality of connecting segments rotate relative to each other to disengage from the corresponding mounting bracket.

[0009] Secondly, this application provides a connecting bridge assembly for use in a photovoltaic system, comprising: Mounting brackets, purlins installed on photovoltaic brackets; The connecting cable tray as described in any one of the above statements is hinged to the mounting bracket.

[0010] According to one embodiment of this application, the anti-rollover structure includes a limiting hook, and the mounting bracket includes a mounting bracket body and a mounting component. The mounting component is installed at the end of the mounting bracket body and is located on the side of the mounting bracket body away from the connecting cable tray. In a first state, the mounting component is engaged with the limiting hook.

[0011] According to one embodiment of this application, the mounting member has a connecting groove, and in the first state, the limiting hook engages with the side wall constituting the connecting groove.

[0012] According to one embodiment of this application, the anti-rollover structure includes a torsion spring, which is mounted on the second end of at least one of the first rotating arm and the second rotating arm. At least one of the first rotating arm and the second rotating arm is hinged to the corresponding mounting bracket via the torsion spring. In the first state, one end of the torsion spring abuts against at least one of the first rotating arm and the second rotating arm, and the other end of the torsion spring abuts against the mounting bracket.

[0013] According to one embodiment of this application, the mounting bracket forms a mounting groove on the side facing the connecting cable tray, at least a portion of the first rotating arm and the second rotating arm are mounted in the corresponding mounting groove, and the angle formed by the side wall of the mounting groove and the bottom wall of the mounting groove is an obtuse angle.

[0014] According to one embodiment of this application, the mounting slot is open to the upward, and the mounting bracket is provided with a flange at the upper end of the side wall of the mounting slot. The flange slopes downward from the side close to the mounting slot to the side away from the mounting slot.

[0015] Thirdly, this application provides a connecting bridge assembly for use in a photovoltaic system, comprising: The first and second mounting brackets are installed on the purlins of adjacent photovoltaic brackets; The first connecting cable tray as described in any one of the above statements, wherein one of the second end of the first rotating arm and the second end of the second rotating arm is hinged to the first mounting bracket and the other is hinged to the second mounting bracket; The second connecting cable tray as described in any one of the above statements, wherein one of the second end of the first rotating arm and the second end of the second rotating arm is hinged to the first mounting bracket, and the other is hinged to the second mounting bracket.

[0016] Fourthly, this application provides a photovoltaic system, comprising: Multiple photovoltaic arrays are spaced apart along a first direction, and each photovoltaic array includes a photovoltaic support frame and multiple photovoltaic modules. The connecting cable tray as described in any one of the above statements connects the photovoltaic supports between adjacent photovoltaic rows; or, The connecting cable tray assembly as described in any one of the above statements, wherein the connecting cable tray connects between the photovoltaic supports of adjacent photovoltaic rows; or, As described above, in the connecting cable tray assembly, the first mounting bracket and the second mounting bracket are respectively connected to the photovoltaic bracket of the adjacent photovoltaic array.

[0017] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0018] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which: Figure 1 This is one of the structural schematic diagrams of the photovoltaic system provided in the embodiments of this application; Figure 2 yes Figure 1 A magnified view of a section at point A in the middle; Figure 3 This is a second schematic diagram of the photovoltaic system provided in the embodiments of this application; Figure 4 This is the third schematic diagram of the photovoltaic system provided in the embodiments of this application; Figure 5 yes Figure 4 A magnified view of a section at point B in the middle; Figure 6 This is the fourth schematic diagram of the photovoltaic system provided in the embodiments of this application; Figure 7 This is the fifth schematic diagram of the photovoltaic system provided in the embodiments of this application; Figure 8 This is a schematic diagram of the anti-overturning structure of the connecting cable tray provided in the embodiments of this application; Figure 9 This is the sixth schematic diagram of the photovoltaic system provided in the embodiments of this application; Figure 10 This is the seventh schematic diagram of the photovoltaic system provided in the embodiments of this application; Figure 11 yes Figure 10 A magnified view of a section at point C.

[0019] Figure label: Photovoltaic system 1; Connecting cable tray 10, first swing arm 110, second swing arm 120, cable tray beam 130, movable groove 140; Mounting bracket 20, mounting bracket body 210, side wall 211 of mounting groove, bottom wall 212 of mounting groove, flange 213, mounting component 220; Anti-rollover structure 30, limit hook 310, connecting section 311, torsion spring 320; Connecting cable tray assembly 40, first mounting bracket 410, and second mounting bracket 420; Photovoltaic grid 50, photovoltaic support 510, purlin 511, clamping block 512, photovoltaic module 520; First direction X. Detailed Implementation

[0020] The embodiments of this application are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0021] This application aims to at least solve one of the technical problems existing in the related art. To this end, this application proposes a connecting cable tray, a connecting cable tray assembly, and a photovoltaic system, which can reduce the risk of the connecting cable tray's swing arm tipping over.

[0022] The following is for reference. Figures 1-11 The connecting cable tray 10 according to an embodiment of this application is described.

[0023] like Figure 1 As shown, the connecting cable tray 10 is used in the photovoltaic system 1 and includes: The bridge girder is 130mm long, consisting of multiple segments that are relatively movable and coordinated. The first swing arm 110 has its first end hinged to the first end of the bridge beam 130, and its second end hinged to the corresponding mounting bracket 20. The second swing arm 120 has its first end hinged to the second end of the bridge beam 130, and its second end is used to hinge to the corresponding mounting bracket 20. At least one of the first rotating arm 110 and the second rotating arm 120 is provided with an anti-rollover structure 30. The connecting bridge 10 has a first state. In the first state, the anti-rollover structure 30 cooperates with the mounting bracket 20 corresponding to at least one of the first rotating arm 110 and the second rotating arm 120 to generate a force opposite to the rollover direction of the first rotating arm 110 and the second rotating arm 120 to restrict the rollover of at least one of the first rotating arm 110 and the second rotating arm 120.

[0024] In this embodiment, the photovoltaic system 1 may include multiple photovoltaic rows 50 spaced apart. Each photovoltaic row 50 may include a photovoltaic support 510 and multiple photovoltaic modules 520. The multiple photovoltaic modules 520 are assembled and installed on the photovoltaic support 510. The photovoltaic support 510 may be a single-axis tracking support. Different photovoltaic rows 50 may have different rotation angles.

[0025] The distribution direction of multiple photovoltaic arrays 50 is defined as the first direction X. The connecting bridge 10 is a continuous bridge and is connected between the mounting brackets 20 of adjacent photovoltaic arrays 50. The mounting brackets 20 are installed on the purlins 511 of the photovoltaic brackets 510. When at least one of the photovoltaic arrays 50 connected to the connecting bridge 10 rotates, the connecting bridge 10 generates a corresponding displacement, thereby maintaining the connection between adjacent photovoltaic arrays 50 even when the rotation angles of adjacent photovoltaic arrays 50 are different.

[0026] The connecting cable tray 10 includes a cable tray beam 130, a first rotating arm 110, and a second rotating arm 120. The cable tray beam 130 includes multiple segments that are relatively movable. The first rotating arm 110 and the second rotating arm 120 are respectively connected to the two ends of the cable tray beam 130. The connecting cable tray 10 also includes a first adapter and a second adapter. The first end of the first rotating arm 110 is connected to the first end of the cable tray beam 130 through the first adapter, so that the included angle between the cable tray beam 130 and the first rotating arm 110 is adjustable. The first end of the second rotating arm 120 is connected to the second end of the cable tray beam 130 through the second adapter, so that the included angle between the cable tray beam 130 and the second rotating arm 120 is adjustable.

[0027] It should be noted that the first adapter and the second adapter include, but are not limited to, universal joints.

[0028] Taking the connecting bridge 10 connected between the first mounting bracket 410 and the second mounting bracket 420 of the adjacent photovoltaic array 50 as an example, the second end of the first rotating arm 110 is used to hinge with the corresponding first mounting bracket 410, and the second end of the second rotating arm 120 is used to hinge with the corresponding second mounting bracket 420.

[0029] When adjacent photovoltaic arrays 50 begin to deflect relative to each other, when the relative deflection angle is less than a threshold, multiple segments of the bridge beam 130 engage in a movable fit, the first adapter and the second adapter rotate, and no relative rotation occurs between the first rotating arm 110 and the first mounting bracket 410, or between the second rotating arm 120 and the second mounting bracket 420. After the relative deflection angle between adjacent photovoltaic arrays 50 exceeds the threshold, at least one of the first rotating arm 110 and the second rotating arm 120 begins to rotate relative to the corresponding mounting bracket 20.

[0030] In addition, at least one of the first rotating arm 110 and the second rotating arm 120 is provided with an anti-rollover structure 30. In the first state, the anti-rollover structure 30 cooperates with the mounting bracket 20 corresponding to at least one of the first rotating arm 110 and the second rotating arm 120 to generate a force opposite to the rolling direction of the first rotating arm 110 and the second rotating arm 120 to limit the rolling of at least one of the first rotating arm 110 and the second rotating arm 120.

[0031] For example, in the first state, when the relative deflection angle between at least one of the first rotating arm 110 and the second rotating arm 120 and the corresponding mounting bracket 20 reaches the target value, the anti-rollover structure 30 can be used to cooperate with the corresponding mounting bracket 20 to limit at least one of the first rotating arm 110 and the second rotating arm 120 when the relative deflection angle between at least one of the first rotating arm 110 and the second rotating arm 120 and the corresponding mounting bracket 20 reaches the target value.

[0032] In related technologies, to increase the total power generation of photovoltaic arrays, single-axis photovoltaic brackets 510 are typically arranged in strings along a north-south direction and track the sun's movement in real time. Considering the rotation mechanism of the single-axis tracking brackets, adjacent brackets may experience angular differences due to asynchronous rotation. The single-axis photovoltaic brackets 510 are usually connected by continuous flexible bridges. A cleaning robot moves between the spaced photovoltaic panels via these flexible bridges, thus cleaning the photovoltaic panels at low cost and high efficiency. However, when the row of single-axis photovoltaic brackets 510 rotates to a large tilt angle, the two ends of the flexible bridges may overturn due to wind. If overturned, the cleaning robot may fall off when it reaches the continuous bridge, indicating room for improvement.

[0033] This application integrates an anti-rollover structure 30 on at least one of the first rotating arm 110 and the second rotating arm 120 of the connecting bridge 10. When the tilt angle of the photovoltaic array 50 does not exceed a threshold, the anti-rollover structure 30 does not affect the rotation of the rotating arm. When the tilt angle of the photovoltaic array 50 exceeds the threshold, when the connecting bridge 10 is in the first state, the relative deflection angle between at least one of the first rotating arm 110 and the second rotating arm 120 and the corresponding mounting bracket 20 reaches the target value. The rotating arm is easily caused to roll over due to the influence of wind or friction of the telescopic structure, which in turn causes the photovoltaic cleaning robot to malfunction. This application uses the anti-rollover structure 30 on at least one of the first rotating arm 110 and the second rotating arm 120 to cooperate with the corresponding mounting bracket 20 to limit the rotation of the rotating arm where the anti-rollover structure 30 is located by a force opposite to the rollover direction of the first rotating arm 110 and the second rotating arm 120, thereby controlling the relative deflection angle between the rotating arm and the corresponding mounting bracket 20 to not exceed the target value, thereby reducing the risk of the rotating arm of the connecting bridge 10 rolling over, and also helping to simplify installation.

[0034] It should be noted that the target value includes, but is not limited to, the numerical value obtained from experiments and the empirical value in practical applications.

[0035] According to the connecting cable tray 10 provided in the embodiments of this application, the anti-overturning structure 30 controls the relative deflection angle between at least one of the first rotating arm 110 and the second rotating arm 120 and the corresponding mounting bracket 20 to not exceed the target value, which helps to reduce the risk of the rotating arm of the connecting cable tray 10 overturning.

[0036] In some embodiments, such as Figure 2 As shown, the anti-rollover structure 30 includes a limiting hook 310. The first end of the limiting hook 310 is hinged to at least one of the first rotating arm 110 and the second rotating arm 120. The second end of the limiting hook 310 is used to cooperate with the mounting bracket 20 corresponding to at least one of the first rotating arm 110 and the second rotating arm 120.

[0037] In this embodiment, the anti-rollover structure 30 may include a limiting hook 310, which is installed on at least one of the first rotating arm 110 and the second rotating arm 120. The limiting hook 310 is used to cooperate with the corresponding mounting bracket 20 when the relative deflection angle between at least one of the first rotating arm 110 and the second rotating arm 120 and the corresponding mounting bracket 20 reaches a target value, so as to limit at least one of the first rotating arm 110 and the second rotating arm 120.

[0038] The first end of the limit hook 310 is hinged to the rotating arm, the hinge shaft extends along the first direction X, the limit hook 310 can rotate around the hinge shaft, and the limit hook 310 is always in a natural hanging state when it is not in cooperation with the mounting bracket 20.

[0039] When the photovoltaic array 50 is in a large tilt angle, the limit hook 310 on the upper connecting bridge 10 hangs down naturally. When the relative deflection angle between the rotating arm and the corresponding mounting bracket 20 reaches the target value, the second end of the limit hook 310 hooks the corresponding mounting bracket 20, thereby connecting the rotating arm and the corresponding mounting bracket 20 together, so that the rotating arm and the corresponding mounting bracket 20 rotate synchronously, so that the relative deflection angle between the rotating arm and the corresponding mounting bracket 20 no longer increases.

[0040] It should be noted that when the rotating arm rotates synchronously with the corresponding mounting bracket 20, the limit hook 310 is no longer in a naturally drooping state.

[0041] Furthermore, when the relative deflection angle between the rotating arm and the corresponding mounting bracket 20 decreases, the second end of the limit hook 310 detaches from the corresponding mounting bracket 20, the limit hook 310 returns to its natural drooping state, and the rotating arm and the corresponding mounting bracket 20 no longer rotate synchronously.

[0042] In some embodiments, such as Figure 2 and Figure 3 As shown, at least one of the first rotating arm 110 and the second rotating arm 120 has a movable groove 140 on the side facing the corresponding mounting bracket 20, at least a portion of the limiting hook 310 extends through the movable groove 140, and the connecting bridge 10 has a second state in which the limiting hook 310 does not cooperate with the corresponding mounting bracket 20.

[0043] In this embodiment, taking a rotating arm with a rectangular hollow structure as an example, it is hinged to the rotating arm by a hinge shaft. The hinge shaft passes through the limiting hook 310 and the two sides of the rotating arm facing the first direction X. The rotating arm with the limiting hook 310 is provided with a movable groove 140 on the side facing the corresponding mounting bracket 20. The limiting hook 310 can rotate around the hinge shaft in the movable groove 140, and at least a part of the limiting hook 310 is located outside the rotating arm.

[0044] In other words, the projection of the limit hook 310 along the first direction X coincides with the projection of the rotating arm along the first direction X.

[0045] In addition, the limit hook 310 is always in a naturally drooping state when it is not in conjunction with the mounting bracket 20. When the limit hook 310 is in a naturally drooping state, the angle formed between the limit hook 310 and the rotating arm changes with the rotation of the rotating arm.

[0046] In some embodiments, such as Figure 4 and Figure 5 As shown, the limiting hook 310 includes multiple connecting segments 311, which are flexibly connected to each other. When at least one of the first rotating arm 110 and the second rotating arm 120 clamps the limiting hook 310 with the corresponding mounting bracket 20, the multiple connecting segments 311 rotate relative to each other to disengage from the corresponding mounting bracket 20.

[0047] In this embodiment, the limiting hook 310 adopts a flexible connection structure. The lower section of the limiting hook 310 can move with multiple degrees of freedom relative to the upper section. When the rotating arm where the limiting hook 310 is located clamps the limiting hook 310 with the corresponding mounting bracket 20, the flexible connection structure can adaptively change its shape to disengage from the mounting bracket 20, thereby reducing the risk of the limiting hook 310 getting stuck.

[0048] The limit hook 310 has various structural forms, including but not limited to multi-segment structure and chain structure.

[0049] Taking a multi-segment structure as an example, the limiting hook 310 may include multiple connecting segments 311, with adjacent connecting segments 311 hinged together. The connecting segments 311 include, but are not limited to, metal rods or metal plates. The first of the multiple connecting segments 311 is hinged to the rotating arm, and the last of the multiple connecting segments 311 is connected to the hook-shaped structure.

[0050] Taking a chain-type structure as an example, the limiting hook 310 may include multiple connecting segments 311, the connecting segments 311 include but are not limited to metal chain links, and the first of the multiple connecting segments 311 is hinged to the rotating arm, and the last of the multiple connecting segments 311 is connected to the hook-shaped structure.

[0051] This application embodiment also provides a connecting bridge assembly 40, applied to a photovoltaic system 1, such as... Figure 6 As shown, the connecting cable tray assembly 40 includes a mounting bracket 20 and a connecting cable tray 10, wherein the mounting bracket 20 is mounted on the purlin 511 of the photovoltaic bracket 510, and the connecting cable tray 10 is hinged to the mounting bracket 20.

[0052] In this embodiment, the connecting cable tray assembly 40 includes a mounting bracket 20 and a connecting cable tray 10. The connecting cable tray 10 includes a cable tray beam 130, a first rotating arm 110 and a second rotating arm 120. The cable tray beam 130 includes multiple segments that are relatively movable and cooperate with each other. The first rotating arm 110 and the second rotating arm 120 are respectively connected to the two ends of the cable tray beam 130, and at least one of the first rotating arm 110 and the second rotating arm 120 is hinged to the mounting bracket 20.

[0053] In some embodiments, such as Figure 2 and Figure 5 As shown, the anti-rollover structure 30 includes a limit hook 310, and the mounting bracket 20 includes a mounting bracket body 210 and a mounting component 220. The mounting component 220 is installed at the end of the mounting bracket body 210 and is located on the side of the mounting bracket body 210 away from the connecting cable tray 10. In the first state, the mounting component 220 is used to engage with the limit hook 310.

[0054] In this embodiment, the mounting bracket body 210 is mounted on the purlin 511 of the photovoltaic bracket 510, and the mounting component 220 is mounted on the mounting bracket body 210. The mounting component 220 can also be connected to the pressure block 512 of the photovoltaic bracket 510 and the frame of the photovoltaic module 520. For example, one end of the mounting component 220 is connected to the mounting bracket body 210 through a threaded connector, and the other end of the mounting component 220 is connected to the pressure block 512 and the photovoltaic frame through other threaded connectors.

[0055] In other words, both the mounting bracket body 210 and the mounting component 220 are components originally required by the photovoltaic system. The technical solution of this application reuses the mounting component 220, which retains its original function and allows it to be engaged with the limit hook 310. There is no need to design a new mating structure for the limit hook 310, which can help reduce the number of parts and reduce production and assembly costs.

[0056] When the anti-rollover structure 30 includes a limiting hook 310, the first end of the limiting hook 310 is hinged to at least one of the first rotating arm 110 and the second rotating arm 120, and the second end of the limiting hook 310 is used to cooperate with the corresponding mounting bracket 20 when the relative deflection angle between at least one of the first rotating arm 110 and the second rotating arm 120 and the corresponding mounting bracket 20 reaches a target value, so as to limit at least one of the first rotating arm 110 and the second rotating arm 120.

[0057] In addition, the mounting bracket 20 may include a mounting bracket body 210 and a mounting component 220, wherein the mounting bracket body 210 is mounted on the purlin 511 of the photovoltaic bracket 510, and the mounting component 220 is mounted on the end of the mounting bracket body 210 for cooperating with the limiting hook 310, and the mounting component 220 is located on the side of the mounting bracket body 210 away from the connecting cable tray 10.

[0058] For example, the mounting component 220 can be connected to the mounting bracket body 210 via a threaded connector, and the mounting component 220 has a sidewall extending in a direction away from the mounting bracket body 210.

[0059] In some embodiments, such as Figure 2 As shown, the mounting component 220 has a connecting groove, and in the first state, the limiting hook 310 engages with the side wall constituting the connecting groove.

[0060] In this embodiment, the mounting member 220 has a sidewall extending in a direction away from the mounting bracket body 210, and the opposite sidewall forms a connecting groove. The bottom wall of the connecting groove is provided with a threaded connector for connecting the mounting member 220 and the mounting bracket body 210.

[0061] In the first state, at least a portion of the limit hook 310 is located in the connecting groove, and the limit hook 310 is engaged with the side wall constituting the connecting groove.

[0062] In some embodiments, such as Figure 2 As shown, the mounting component 220 is connected to the pressure block 512 of the photovoltaic bracket 510 via a connecting structure.

[0063] In this embodiment, when the anti-tilting structure 30 includes a limiting hook 310, the mounting bracket 20 includes a mounting bracket body 210 and a mounting component 220. The mounting bracket body 210 is mounted on the purlin 511 of the photovoltaic bracket 510, and the mounting component 220 is mounted on the mounting bracket body 210 and connected to the pressure block 512 of the photovoltaic bracket 510 through a connecting structure, which helps to improve the stability of the mounting component 220.

[0064] In some embodiments, such as Figure 7 As shown, the anti-overturning structure 30 includes a limit hook 310, and the connecting cable tray 10 is in the second state.

[0065] In this embodiment, Figure 7 The adjacent photovoltaic rows 50 of the connecting cable tray 10 are parallel and rotate synchronously to a large tilt angle, and the limit hook 310 is in a natural drooping state.

[0066] Figure 7 The large-angle photovoltaic array 50 continues to rotate until it reaches its limit state. In the limit state, the limit hook 310 is in a natural drooping state. However, the larger tilt angle of the photovoltaic array 50 in the limit state allows the limit hook 310 to cooperate with the mounting bracket 20. It should be noted that there is no relative deflection between the rotating arm and the mounting bracket 20 at this time.

[0067] In some embodiments, such as Figure 7 and Figure 8As shown, when the anti-rollover structure 30 includes a torsion spring 320, the torsion spring 320 is mounted on the second end of at least one of the first rotating arm 110 and the second rotating arm 120. At least one of the first rotating arm 110 and the second rotating arm 120 is hinged to the corresponding mounting bracket 20 via the torsion spring 320. In the first state, one end of the torsion spring 320 abuts against at least one of the first rotating arm 110 and the second rotating arm 120, and the other end of the torsion spring 320 abuts against the mounting bracket 20.

[0068] In this embodiment, when the anti-rollover structure 30 includes a torsion spring 320, the torsion spring 320 is mounted on a pin at the hinge of the rotating arm and the corresponding mounting bracket 20, and the two torsion arms of the torsion spring 320 abut against the rotating arm and the mounting bracket 20 respectively.

[0069] In the second state, adjacent photovoltaic arrays 50 are parallel, and torsion spring 320 is in its natural state, without applying elastic force to the swing arm and mounting bracket 20. In the first state, adjacent photovoltaic arrays 50 rotate synchronously to a large tilt angle. Under the influence of strong winds, the photovoltaic arrays 50 will shake and perform small-amplitude parabolic movements. The swing arm and bridge beam 130 in the upper connecting bridge 10 will have a tendency to overturn due to inertia. Torsion spring 320 can apply torque to the swing arm to counteract the wind load and inertial force, thereby reducing the risk of the swing arm of the connecting bridge 10 overturning.

[0070] Furthermore, in the event of a malfunction in photovoltaic array 50, adjacent photovoltaic arrays 50 will continue to rotate, forming a relative deflection angle between two adjacent photovoltaic arrays 50. When the relative deflection angle between adjacent photovoltaic arrays 50 begins to deflect, if the relative deflection angle is less than a threshold, multiple segments of the bridge beam 130 will engage in a moving fit. No relative rotation will occur between the first rotating arm 110 and the first mounting bracket 410, or between the second rotating arm 120 and the second mounting bracket 420. After the relative deflection angle between adjacent photovoltaic arrays 50 exceeds the threshold, at least one of the first rotating arm 110 and the second rotating arm 120 will begin to rotate relative to the corresponding mounting bracket 20.

[0071] The force exerted by the torsion spring 320 on the swing arm begins to increase as the angle between the swing arm and the mounting bracket 20 increases. The torsion range allowed by the torsion spring 320 can accommodate the maximum angle difference between the swing arm and the mounting bracket 20.

[0072] When the relative deflection angle between adjacent photovoltaic arrays 50 exceeds the threshold and begins to decrease, the rotating arm is restored to its initial position by the torque of the torsion spring 320. At the same time, the rotating arm is affected by the torque. During the restoration process, the bridge beam 130 can overcome the friction of the telescopic structure, thereby reducing the risk of the rotating arm tilting due to jamming of the bridge beam 130, which affects the operation of the robot.

[0073] It should be noted that in the first state, the torsion spring 320 is in a state of elasticity, while in the second state, the torsion spring 320 is in a state of relaxation and no elasticity.

[0074] In some embodiments, such as Figure 10 and Figure 11 As shown, the mounting bracket 20 has a mounting groove on the side facing the connecting cable tray. At least a portion of the first rotating arm 110 and the second rotating arm 120 are mounted in the corresponding mounting groove, and the angle formed by the side wall 211 and the bottom wall 212 of the mounting groove is an obtuse angle.

[0075] In this embodiment, the first rotating arm 110 and the second rotating arm 120 are respectively hinged to the corresponding mounting bracket 20. Taking the first rotating arm 110 as an example, the second end of the first rotating arm 110 is mounted on the mounting bracket 20 through a hinge shaft, and the two ends of the hinge shaft are respectively connected to the side wall 211 of the mounting groove.

[0076] The angle formed by the side wall 211 and the bottom wall 212 of the mounting groove is an obtuse angle, that is, the width at the opening of the mounting groove is greater than the width at the bottom of the mounting groove. In actual application environment, due to environmental factors, there is a risk of jamming at the opening of the mounting groove when the swing arm rotates. Setting the side wall 211 of the mounting groove to be inclined outward at the opening helps to reduce the risk of jamming when the swing arm rotates.

[0077] In some embodiments, such as Figure 10 and Figure 11 As shown, the mounting slot is open to the top, and the mounting bracket 20 has a flange 213 on the upper end of the side wall 211 of the mounting slot. The flange 213 slopes downward from the side close to the mounting slot to the side away from the mounting slot.

[0078] In this embodiment, the flange 213 is located on the side of the mounting bracket 20 away from the mounting groove. The edge of the flange 213 at the upper end of the side wall 211 of the mounting groove is relatively sharp and is prone to collision or cut. The flange 213 is set to slope downward from the side close to the mounting groove to the side away from the mounting groove, that is, the flange 213 gradually moves away from the side wall 211 of the mounting groove from top to bottom.

[0079] This application embodiment also provides a connecting bridge assembly 40, applied to a photovoltaic system 1, including: The first mounting bracket 410 and the second mounting bracket 420 are installed on the purlins 511 of the adjacent photovoltaic bracket 510; In the first connecting cable tray 10, one of the second ends of the first rotating arm 110 and the second rotating arm 120 is hinged to the first mounting bracket 410, and the other is hinged to the second mounting bracket 420. In the second connecting cable tray 10, one of the second ends of the first rotating arm 110 and the second rotating arm 120 is hinged to the first mounting bracket 410, and the other is hinged to the second mounting bracket 420.

[0080] like Figure 7 As shown, in this embodiment, the connecting cable tray assembly 40 may include a first mounting bracket 410, a second mounting bracket 420, a first connecting cable tray 10, and a second connecting cable tray 10. The first mounting bracket 410 and the second mounting bracket 420 are mounted on the purlins 511 of adjacent photovoltaic brackets 510. The first connecting cable tray 10 and the second connecting cable tray 10 are both connected between the first mounting bracket 410 and the second mounting bracket 420, and the first connecting cable tray 10 and the second connecting cable tray 10 are arranged symmetrically.

[0081] For example, the first rotating arm 110 in the first connecting cable tray 10 and the first rotating arm 110 in the second connecting cable tray 10 are hinged to the same mounting bracket 20, and the second rotating arm 120 in the first connecting cable tray 10 and the second rotating arm 120 in the second connecting cable tray 10 are hinged to the same mounting bracket 20, or the first rotating arm 110 in the first connecting cable tray 10 and the second rotating arm 120 in the second connecting cable tray 10 are hinged to the same mounting bracket 20, and the second rotating arm 120 in the first connecting cable tray 10 and the first rotating arm 110 in the second connecting cable tray 10 are hinged to the same mounting bracket 20.

[0082] It should be noted that the connecting cable tray assembly 40 can be assembled from two connecting cable trays 10 and two mounting brackets 20, forming an overall U-shaped structure. The connecting cable tray assembly 40 can be transported as a whole after assembly and installed directly on the installation site. Alternatively, the connecting cable tray 10 and other components can be transported to the installation site and assembled there.

[0083] This application also provides a photovoltaic system 1, including: Multiple photovoltaic rows 50 are distributed at intervals along the first direction X. Each photovoltaic row 50 includes a photovoltaic support 510 and multiple photovoltaic modules 520. Connecting cable tray 10, connecting cable tray 10 is connected between photovoltaic support brackets 510 of adjacent photovoltaic rows 50; or, Connecting cable tray assembly 40, connecting cable tray 10 is connected between photovoltaic support brackets 510 of adjacent photovoltaic rows 50; or, The connecting cable tray assembly 40, the first mounting bracket 410 and the second mounting bracket 420 are respectively connected to the photovoltaic bracket 510 of the adjacent photovoltaic row 50.

[0084] like Figure 6 and Figure 7As shown, in this embodiment, the photovoltaic system 1 may include multiple photovoltaic rows 50 spaced apart along a first direction X. Each photovoltaic row 50 may include a photovoltaic support 510 and multiple photovoltaic modules 520. The multiple photovoltaic modules 520 are assembled and installed on the photovoltaic support 510. The photovoltaic support 510 may include structures such as columns, main shafts, purlins 511 and pressure blocks 512. The main shaft extends along the first direction X. The photovoltaic rows 50 can rotate around the main shaft. The photovoltaic support 510 may be a flat single-axis tracking support. Different photovoltaic rows 50 may have different rotation angles.

[0085] A mounting bracket 20 is installed on the purlin 511 of the photovoltaic support 510. The connecting bridge 10, which includes a bridge beam 130, a first rotating arm 110 and a second rotating arm 120, is connected between adjacent photovoltaic rows 50. The first rotating arm 110 and the second rotating arm 120 are respectively hinged to the corresponding mounting bracket 20. When at least one of the photovoltaic rows 50 connected to both ends of the connecting bridge 10 rotates, the connecting bridge 10 generates a corresponding displacement, which can maintain the connection between adjacent photovoltaic rows 50 even when the rotation angles of adjacent photovoltaic rows 50 are different.

[0086] The connecting cable tray assembly 40 includes a connecting cable tray 10 and a mounting bracket 20. For example, the connecting cable tray assembly 40 may include one connecting cable tray 10 and one mounting bracket 20, or it may include two connecting cable trays 10 and two mounting brackets 20.

[0087] When the connecting cable tray assembly 40 includes a connecting cable tray 10 and a mounting bracket 20, adjacent photovoltaic rows 50 are connected by two connecting cable tray assemblies 40. When the connecting cable tray assembly 40 includes two connecting cable trays 10 and two mounting brackets 20, adjacent photovoltaic rows 50 are connected by one connecting cable tray assembly 40.

[0088] The connecting cable tray assembly 40 can be transported as a whole after assembly and installed directly on the installation site. Alternatively, the connecting cable tray 10 and other components can be transported to the installation site and assembled there.

[0089] The embodiments of this application will be described in detail below from two different implementation perspectives.

[0090] I. The anti-tilting structure 30 includes a limit hook 310.

[0091] like Figures 1-6 As shown, in this embodiment, the first end of the limiting hook 310 is hinged to at least one of the first rotating arm 110 and the second rotating arm 120, and the second end of the limiting hook 310 is used to cooperate with the corresponding mounting bracket 20 when the relative deflection angle between at least one of the first rotating arm 110 and the second rotating arm 120 and the corresponding mounting bracket 20 reaches a target value.

[0092] At least one of the first rotating arm 110 and the second rotating arm 120 has a movable groove 140 on the side facing the corresponding mounting bracket 20, at least a portion of the limiting hook 310 extends through the movable groove 140, and the limiting hook 310 is in a natural drooping state when not cooperating with the corresponding mounting bracket 20.

[0093] The mounting bracket 20 includes a mounting bracket body 210 and a mounting component 220. The mounting component 220 is installed at the end of the mounting bracket body 210 and is located on the side of the mounting bracket body 210 away from the connecting bridge 10. It is used to cooperate with the limiting hook 310. The mounting component 220 is connected to the pressure block 512 of the photovoltaic bracket 510 through a connecting structure.

[0094] II. The anti-rollover structure 30 includes a torsion spring 320.

[0095] like Figures 7-9 As shown, in this embodiment, a torsion spring 320 is mounted on the second end of at least one of the first rotating arm 110 and the second rotating arm 120, and at least one of the first rotating arm 110 and the second rotating arm 120 is hinged to the corresponding mounting bracket 20 via the torsion spring 320. When adjacent photovoltaic arrays 50 are parallel, the torsion spring 320 is in its natural state. When adjacent photovoltaic arrays 50 rotate synchronously to a large tilt angle, the photovoltaic arrays 50 will shake under the influence of strong winds and make small-amplitude parabolic movements. The swing arm and bridge beam 130 in the upper connecting bridge 10 will have a tendency to overturn due to inertia. The torsion spring 320 can apply torque to the swing arm to counteract the wind load and inertial force, thereby reducing the risk of the swing arm of the connecting bridge 10 overturning.

[0096] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and the number of objects is not limited; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0097] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "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 based on the orientation or positional relationship shown in the accompanying drawings, 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.

[0098] In the description of this application, "first feature" and "second feature" may include one or more of the features.

[0099] In the description of this application, "multiple" means two or more.

[0100] In the description of this application, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or the first and second features being in contact through another feature between them.

[0101] In the description of this application, the terms "above," "over," and "on top" for the first feature and the second feature include the first feature being directly above or diagonally above the second feature, or simply indicate that the first feature is at a higher horizontal level than the second feature.

[0102] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0103] Although embodiments of this application have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. A connecting cable tray for use in photovoltaic systems, characterized in that, include: Bridge girder, comprising multiple segments that are relatively movable and coordinated; The first swing arm has a first end hinged to the first end of the bridge beam, and a second end hinged to the corresponding mounting bracket. The second swing arm has its first end hinged to the second end of the bridge beam, and its second end is used to hinge to the corresponding mounting bracket. At least one of the first rotating arm and the second rotating arm is provided with an anti-rollover structure. The connecting bridge has a first state. In the first state, the anti-rollover structure cooperates with the mounting bracket corresponding to the at least one of the first rotating arm and the second rotating arm to generate a force opposite to the rollover direction of the first rotating arm and the second rotating arm to restrict the rollover of the at least one of the first rotating arm and the second rotating arm.

2. The connecting cable tray according to claim 1, characterized in that, The anti-rollover structure includes a limiting hook, the first end of which is hinged to at least one of the first rotating arm and the second rotating arm, and the second end of which is used to cooperate with the mounting bracket corresponding to at least one of the first rotating arm and the second rotating arm.

3. The bridge according to claim 2, characterized in that At least one of the first and second rotating arms has a movable groove on the side facing the corresponding mounting bracket, at least a portion of the limiting hook extends through the movable groove, and the connecting bridge has a second state in which the limiting hook does not engage with the corresponding mounting bracket.

4. The connecting cable tray according to claim 2, characterized in that, The limiting hook includes multiple connecting segments that are flexibly connected to each other. When at least one of the first rotating arm and the second rotating arm clamps the limiting hook with the corresponding mounting bracket, the multiple connecting segments rotate relative to each other to disengage from the corresponding mounting bracket.

5. A connecting bridge assembly for use in a photovoltaic system, characterized in that, include: Mounting brackets, purlins installed on photovoltaic brackets; The connecting cable tray as described in any one of claims 1-4 is hinged to the mounting bracket.

6. The crossbar assembly of claim 5, wherein, The anti-tilting structure includes a limiting hook, and the mounting bracket includes a mounting bracket body and a mounting component. The mounting component is installed at the end of the mounting bracket body and is located on the side of the mounting bracket body away from the connecting cable tray. In the first state, the mounting component is engaged with the limiting hook.

7. The connecting cable tray assembly according to claim 6, characterized in that, The mounting component has a connecting groove, and in the first state, the limiting hook engages with the side wall constituting the connecting groove.

8. The bridge assembly of claim 5, wherein, The anti-rollover structure includes a torsion spring, which is installed at the second end of at least one of the first rotating arm and the second rotating arm. At least one of the first rotating arm and the second rotating arm is hinged to the corresponding mounting bracket via the torsion spring. In the first state, one end of the torsion spring abuts against at least one of the first rotating arm and the second rotating arm, and the other end of the torsion spring abuts against the mounting bracket.

9. The crossbar assembly of any of claims 5-8, wherein, The mounting bracket has a mounting groove on the side facing the connecting cable tray. At least a portion of the first rotating arm and the second rotating arm are mounted in the corresponding mounting groove, and the angle formed by the side wall of the mounting groove and the bottom wall of the mounting groove is an obtuse angle.

10. The crossbar assembly of claim 9, wherein, The mounting slot is open to the upward, and the mounting bracket has a flange on the upper end of the side wall of the mounting slot. The flange slopes downward from the side close to the mounting slot to the side away from the mounting slot.

11. A connecting bridge assembly for use in a photovoltaic system, characterized in that, include: The first and second mounting brackets are installed on the purlins of adjacent photovoltaic brackets; The first connecting cable tray as described in any one of claims 1-4, wherein in the first connecting cable tray, one of the second end of the first rotating arm and the second end of the second rotating arm is hinged to the first mounting bracket, and the other is hinged to the second mounting bracket; The second connecting cable tray as described in any one of claims 1-4, wherein one of the second end of the first rotating arm and the second end of the second rotating arm is hinged to the first mounting bracket, and the other is hinged to the second mounting bracket.

12. A photovoltaic system, characterized in that, include: Multiple photovoltaic arrays are spaced apart along a first direction, and each photovoltaic array includes a photovoltaic support frame and multiple photovoltaic modules. The connecting cable tray as described in any one of claims 1-4, wherein the connecting cable tray connects between the photovoltaic supports of adjacent photovoltaic rows; or, The connecting cable tray assembly as described in any one of claims 5-10, wherein the connecting cable tray connects between the photovoltaic supports of adjacent photovoltaic rows; or, The connecting cable tray assembly as described in claim 11, wherein the first mounting bracket and the second mounting bracket are respectively connected to the photovoltaic bracket of the adjacent photovoltaic array.

Images