CN210093145U

CN210093145U - Mounting fixture and photovoltaic system

Info

Publication number: CN210093145U
Application number: CN201920943502.6U
Authority: CN
Inventors: 戴小俊; 武谦; 陈鹏; 陈国清; 朱琛; 吕俊
Original assignee: Taizhou Lerri Solar Technology Co Ltd
Current assignee: Taizhou Longi Solar Technology Co Ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-02-18
Anticipated expiration: 2029-06-21

Abstract

The utility model provides an installation clamp, which comprises an installation plate, a connecting rod and a fastener, wherein two opposite side surfaces of the installation plate are respectively provided with a groove for clamping the installation plate on a bracket; the connecting rod is arranged on the mounting plate and can penetrate through the C surface of the frame of the photovoltaic module; the fastener is connected with the connecting rod in a fastening way. The mounting panel clamps in the support through the recess that is located its both sides, clamps the after-poppet and has certain limiting displacement to the mounting panel, and when the connecting rod runs through frame C face and is connected with the fastener, mounting panel and connecting rod can not follow fastening force and rotate, can overcome the installation inconvenient, follow the commentaries on classics scheduling problem, and then improve the installation effectiveness. The mounting panel joint is behind the support, and the bearing surface of support and mounting panel forms the bearing surface that is used for bearing photovoltaic module jointly, greatly increased the area of bearing surface, avoids the plastic deformation of support and/or frame even fracture, finally ensures the stability of photovoltaic module on the support. The utility model also provides an applied sectional fixture's photovoltaic system.

Description

Mounting fixture and photovoltaic system

Technical Field

The utility model relates to a photovoltaic module installs technical field, especially relates to a sectional fixture and photovoltaic system.

Background

Photovoltaic module before putting into operation, fasteners such as the bolt that is suitable for running through support and photovoltaic module frame simultaneously usually with photovoltaic module fixed mounting on the support. A support for supporting photovoltaic module is C shaped steel generally, and the support lifting surface area of contact photovoltaic module is little, causes stress concentration easily, finally leads to photovoltaic module frame part or support lifting surface to take place plastic deformation and fracture even, influences the stability of photovoltaic module on the support. Moreover, the photovoltaic module and the support are fastened and connected through the bolts, in the fastening process, the heads of the bolts are generally fixed through mounting tools such as a wrench, and then the nuts are fastened and connected with the tails of the bolts. When the bolt is installed from bottom to top (firstly penetrates through the bracket and then penetrates through the frame), the tail part of the bolt is positioned above the frame, so that the nut is convenient to screw in, but in order to avoid the follow-up rotation of the bolt when the nut is screwed in, the head part of the bolt needs to be fixed through an installation tool such as a spanner, and the problems of narrow space, inconvenient operation and low installation efficiency exist. Based on the above, the traditional bolt installation mode has the technical problems of poor stability, low installation efficiency and the like.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model aims at providing a mounting fixture and photovoltaic system that stability and installation effectiveness are high.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a mounting fixture comprises a mounting plate, a connecting rod and a fastener, wherein two opposite side surfaces of the mounting plate are respectively provided with a groove for clamping the mounting plate on a support; the connecting rod is arranged on the bearing surface of the mounting plate and can penetrate through the side C of the frame of the photovoltaic module; the fastener can be connected with the connecting rod fastening.

Having adopted above-mentioned technical scheme, the mounting panel clamps in the support through the recess that is located its both sides, clamps the back promptly, and the support has certain limiting displacement to the mounting panel, and when the connecting rod runs through photovoltaic module's frame C face and fastener and is connected, mounting panel and connecting rod can not follow the fastening and rotate, can overcome the installation that current bolted connection exists inconvenient, follow technical problem such as commentaries on classics, and then improve the installation effectiveness. Moreover, the mounting plate is clamped on the support, the support and the bearing surface of the mounting plate jointly form a bearing surface for bearing the photovoltaic module, and compared with the existing mounting mode, the area of the bearing surface is greatly increased, so that stress concentration is reduced, plastic deformation and even fracture of the support and/or the frame are avoided, and finally the stability of the photovoltaic module on the support is ensured.

Preferably, the mounting plate is of a flat plate structure, and the grooves are symmetrically distributed on two side faces of the mounting plate to form an I-shaped structure.

By adopting the technical scheme, the mounting plate with the flat-plate-shaped structure can be fully contacted with the C surface of the frame of the existing photovoltaic assembly, and the stability of the photovoltaic assembly on the support is further ensured. Because recess symmetric distribution is in the both sides face of mounting panel, can provide balanced bearing capacity relatively for photovoltaic module, further ensure photovoltaic module stability on the support.

Preferably, the mounting panel and connecting rod formula structure as an organic whole, and the suspension end outer wall of connecting rod sets up the external screw thread, and the fastener is the nut.

By adopting the technical scheme, the integral structure design of the mounting plate and the connecting rod can improve the overall stability of the mounting clamp, and the fracture risk of the joint of the mounting plate and the connecting rod caused by stress concentration can be reduced or completely avoided. The connection of the fastener and the connecting rod is realized by adopting threaded connection, and the connecting rod has the advantages of convenience in material taking, convenience in installation and the like.

Preferably, the connecting rod is a stud bolt, a threaded hole is formed in the bearing surface of the mounting plate, and one end of the stud bolt is connected with the threaded hole in a threaded manner; the other end of the stud bolt can penetrate through the frame and then is connected with the fastening piece, and the fastening piece is a nut.

By adopting the technical scheme, the stud bolts are detachably connected to the bearing surface of the mounting plate, namely the stud bolts are screwed into or out of the threaded holes formed in the bearing surface, and the distance of the stud bolts exposed out of the bearing surface is adjusted to adapt to the thickness change of the frames of different photovoltaic modules, so that the photovoltaic module frame has better adaptability.

Preferably, the mounting plate of the I-shaped structure can slide along the bracket, and the extension size of the mounting plate in the sliding direction is smaller than, equal to or larger than the width of the C surface of the frame.

By adopting the technical scheme, when the extension size of the mounting plate in the sliding direction is equal to or larger than the width of the C surface of the frame, the mounting plate can be ensured to be completely covered in the width direction of the C surface of the frame, so that large-area support is provided for the photovoltaic module, and the stability of the photovoltaic module on the support is further improved.

Preferably, the extension of the mounting plate in a direction perpendicular to the sliding direction is smaller than or equal to the width of the bracket.

By adopting the technical scheme, when the extension size of the mounting plate in the direction vertical to the sliding direction is equal to the width of the support, the mounting plate can be ensured to realize comprehensive coverage in the width direction of the support, large-area support is provided for the photovoltaic module, and the stability of the photovoltaic module on the support is further improved.

Preferably, the clamping part of the groove and the bracket is in clearance fit or transition fit.

By adopting the technical scheme, when the clamping part of the groove and the bracket is in clearance fit, the mounting plate can be conveniently pushed into the bracket, so that the operation auxiliary time is shortened, and the mounting efficiency is improved; when the clamping part of the groove and the bracket is in transition fit, the requirement that the mounting plate is pushed into the bracket can be met, and a certain clamping force between the mounting plate and the bracket can be ensured.

Preferably, the depth of the groove is less than or equal to the maximum dimension of the bracket which can be clamped with the groove.

By adopting the technical scheme, when the depth of the groove is equal to the maximum size of the bracket, which can be clamped with the groove, the bracket can be ensured to provide optimal bearing capacity and clamping force for the mounting plate, and finally the stability of the photovoltaic module on the bracket is optimized.

Preferably, the connecting rod is arranged in the center of the bearing surface.

The utility model also provides a photovoltaic system, which comprises a plurality of photovoltaic modules, wherein the photovoltaic modules are arranged in a matrix; the bracket is used for bearing the photovoltaic module; and the mounting plate of the mounting clamp is clamped on the support through the groove, and the connecting rod of the mounting clamp penetrates through the C surface of the frame of the photovoltaic module and then is tightly connected with the fastener.

To sum up, the utility model provides a mounting fixture and photovoltaic system can overcome technical problem such as the low and poor stability of installation effectiveness among the prior art, has advantages such as strong and the installation effectiveness height of stability.

Drawings

Fig. 1 is a schematic structural view of a mounting fixture according to an embodiment of the present invention in a non-mounted state;

fig. 2 is a three-dimensional schematic view of a mounting fixture in a mounted state according to an embodiment of the present invention;

fig. 3 is a schematic front view of a mounting fixture in a mounted state according to an embodiment of the present invention.

Wherein: 10. the mounting plate, 11, the groove, 12, the connecting rod, 13, the fastener and 14, the gasket; 20. the support comprises a support frame, 200 parts of a bottom plate, 201 parts of side plates, 202 parts of a connecting plate and 30 parts of a frame.

Detailed Description

The following description of the embodiments according to the present invention is made with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and the present invention is not limited to the specific embodiments disclosed below.

The utility model provides a pair of mounting fixture after the recess 11 through setting up in mounting panel 10 both sides pushes away the preset position on the support 20, realizes clamping of mounting panel 10 and support 20, behind the C face through connection pole 12 of photovoltaic module's frame 30, utilizes fastener 13 to realize photovoltaic module and support 20's fastening connection.

The utility model provides a first embodiment of sectional fixture, see specifically fig. 1 to 3.

The clamping device comprises a mounting plate 10, a connecting rod 12 and a fastener 13, wherein two opposite side surfaces of the mounting plate 10 are respectively provided with a groove 11 for clamping the mounting plate 10 on a support 20. The connecting rod 12 is disposed on the bearing surface of the mounting plate 10 and can penetrate through the C surface of the frame 30 of the photovoltaic module. The fastener 13 can be fastened to the connecting rod 12.

It should be further explained that the mounting plate 10 may be a flat plate structure with a uniform thickness, a plate structure with a thick middle and slightly thinner two sides, or a wave structure, or even a hollow or grid structure to reduce the weight of the mounting plate 10, as long as the load-bearing requirement can be met.

The mounting plate 10 and the connecting rod 12 may be integrally formed, or may be a split structure, and when the mounting plate 10 and the connecting rod 12 are in the split structure, they are fastened and connected by any fastening manner, such as welding or threaded connection. The connecting rod 12 is preferably a rod-like structure with a circular cross-sectional shape to facilitate a secure connection with the fastener 13. Of course, the connecting rod 12 may have a rod-like structure with an arbitrary cross-sectional shape.

The specific size of the mounting plate 10 is not limited to a specific value or a specific range of values, because the specific size of the press-mounting plate 10 is affected by the size of the support frame 20 and the frame 30, i.e. when the size of the support frame 20 and the frame 30 is larger, the area of the bearing surface of the mounting plate 10 should be correspondingly increased to avoid that the mounting plate 10 cannot provide sufficient supporting force for the photovoltaic module. When the size of the bracket 20 and the frame 30 is small, the area of the bearing surface of the mounting plate 10 should be correspondingly reduced. The area of the cross-section of the connecting rod 12 is not limited to a particular value or a particular range of values.

The material of the mounting plate 10 and the connecting rod 12 may be the same as or different from the material of the frame 30, i.e. the specific material of the mounting plate 10 and the connecting rod 12 is not limited, and may be metal or nonmetal with certain strength and rigidity.

The fastener 13 is detachably coupled to one end of the connecting rod 12 for detachably coupling the photovoltaic module to the bracket 20. The detachable attachment manner, the specific attachment position, and the specific material of the fastener 13 and the connecting rod 12 are not limited. It should be noted that the length of the connecting rod 12 is required to be sufficient to extend through the C-plane of the frame 30 and expose a portion of the C-plane for fastening with the fastening member 13.

The mounting fixture that this embodiment relates to, mounting panel 10 clamps in support 20 through the recess 11 that is located its both sides, clamps the back promptly, and support 20 has certain limiting displacement to mounting panel 10, and when connecting rod 12 runs through photovoltaic module's frame 30's C face and fastener 13 is connected, mounting panel 10 and connecting rod 12 can not follow the fastening and rotate, can overcome the installation that current bolted connection exists inconvenient, with technical problem such as commentaries on classics, and then improve the installation effectiveness. Moreover, after the mounting plate 10 is clamped on the support 20, the support 20 and the bearing surface of the mounting plate 10 jointly form a bearing surface for bearing the photovoltaic module, and compared with the existing mounting mode, the area of the bearing surface is greatly increased, so that stress concentration is reduced, plastic deformation or even breakage of the support 20 and/or the frame 30 is avoided, and finally the stability of the photovoltaic module on the support 20 is ensured.

On the basis of the above embodiment, further, the mounting plate 10 is a flat plate structure, and the grooves 11 are symmetrically distributed on two side surfaces of the mounting plate 10 to form an i-shaped structure.

In this embodiment, the grooves 11 are symmetrically formed on two opposite sides of the mounting plate 10 by using an existing machining method, and the depth and width of the groove 11 are not limited to a specific value or value range in this embodiment, because the depth and width of the groove 11 are affected by the bracket 20 clamped with the groove 11, the depth and width of the groove 11 in this embodiment only need to meet the requirement of being clamped with the bracket 20, and are not specifically limited. The mounting board 10 having a flat plate-like structure can sufficiently contact the C-plane of the frame 30 of the conventional photovoltaic module, and therefore, the stability of the photovoltaic module on the bracket 20 can be further ensured. Further, the grooves 11 are symmetrically distributed on two opposite side surfaces of the mounting plate 10, so that relatively balanced bearing capacity can be provided for the photovoltaic module, and the stability of the photovoltaic module on the support 20 is further ensured.

On the basis of the above embodiment, the mounting plate 10 and the connecting rod 12 are of an integrated structure, the outer wall of the suspended end of the connecting rod 12 is provided with an external thread, and the fastening member 13 is a nut.

It should be further explained that the integral structure is formed by casting or laser sintering. The integral structure design can improve the overall stability of the mounting fixture, namely, the fracture of the fractured joint of the mounting plate 10 and the connecting rod 12 caused by stress concentration can be reduced or completely avoided. And adopt the nut to connect the external screw thread of seting up in connecting rod 12 free end, have the aspect of drawing materials and dismantle advantages such as simple.

As another alternative embodiment, the connecting rod 12 is a stud bolt, a threaded hole (not shown in the figure) is formed in the bearing surface of the mounting plate 10, and one end of the stud bolt is connected to the threaded hole in a threaded manner; the other end of the stud bolt can penetrate through the frame 30 and then be connected with the fastening piece 13, and the fastening piece 13 is a nut.

In this embodiment, can be before the installation with stud screw in threaded hole, realize stud and threaded hole's preinstallation, during actual installation, push mounting panel 10 in support 20 together with stud, and stud runs through and protrudes behind the C face of frame 30, at this moment, can adjust the distance of stud for the mounting panel 10 loading face according to operating condition, after the distance is confirmed, fasten fastener 13 (the nut in this embodiment) and the stud that protrudes at the C off-plate of frame 30, realize the fastening installation. Of course, after the mounting plate 10 is pushed into the bracket 20, the stud bolts penetrate through the C-surface of the frame 30 and are connected with the threaded holes formed in the bearing surface of the mounting plate 10, and then the nuts are fastened to one ends of the stud bolts to achieve mounting.

Because the stud bolts are detachably connected to the bearing surface of the mounting plate 10, that is, the stud bolts are screwed into or out of the threaded holes formed in the bearing surface, and the distance of the stud bolts exposed out of the bearing surface is adjusted to adapt to the thickness change of the frames 30 of different photovoltaic modules, the stud bolts have better adaptability.

On the basis of the above embodiment, further, the mounting plate 10 with an i-shaped structure can slide along the bracket 20, and the extension dimension of the mounting plate 10 in the sliding direction is smaller than, equal to or larger than the C-plane width of the side frame 30.

In the embodiment, when the extension size of the mounting plate 10 in the sliding direction is equal to or greater than the width of the C-plane of the frame 30, the mounting plate 10 can be ensured to completely cover the C-plane of the frame 30, so as to provide a large-area support for the photovoltaic module, and further improve the stability of the photovoltaic module on the support 20.

On the basis of the above embodiment, further, the extension dimension of the mounting plate 10 in the direction perpendicular to the sliding direction is smaller than or equal to the width of the bracket 20.

In the present embodiment, the extension dimension of the mounting plate 10 in the direction perpendicular to the sliding direction is less than or equal to the width of the bracket 20, so that the mounting plate 10 does not interfere with the bracket 20 when being pushed into the bracket 20 through the groove 11, and when the extension dimension of the mounting plate 10 in the direction perpendicular to the sliding direction is equal to the width of the bracket 20, the mounting plate 10 can be covered on the whole in the width direction of the bracket 20, so as to provide a large-area support for the photovoltaic module, and further improve the stability of the photovoltaic module on the bracket 20. Of course, the extension of the mounting plate 10 in the direction perpendicular to the sliding direction may be smaller than the width of the bracket 20, as long as the mounting plate can be engaged with the bracket 20, and it should be noted that, in order to avoid the mounting plate 10 following the rotation of the fastening force during the fastening process, the extension of the mounting plate 10 in the direction perpendicular to the sliding direction in the embodiment is smaller than the width of the bracket 20 by a value not exceeding 5 mm.

On the basis of the above embodiment, further, the clamping position of the groove 11 and the bracket 20 is in clearance fit or transition fit.

In the embodiment, when the clamping position of the groove 11 and the bracket 20 is in clearance fit, the mounting plate 10 can be conveniently pushed into the bracket 20, so that the operation auxiliary time is shortened, and the mounting efficiency is improved; when the clamping part of the groove 11 and the bracket 20 is in transition fit, the requirement that the mounting plate 10 is pushed into the bracket 20 can be met, and a certain clamping force between the mounting plate 10 and the bracket 20 can be ensured.

On the basis of the above embodiment, further, the depth of the groove 11 is less than or equal to the maximum size of the bracket 20 that can be clamped with the groove.

In this embodiment, when the depth of the groove 11 is equal to the maximum size of the bracket 20 that can be engaged therewith, it can be ensured that the bracket 20 provides the optimal bearing capacity and clamping force for the mounting plate 10, and finally, the stability of the photovoltaic module on the bracket 20 is optimized. Of course, the depth of the groove 11 may be slightly smaller than the maximum size of the bracket 20 that can be engaged with the groove, as long as the engagement between the mounting plate 10 and the bracket 20 can be ensured.

On the basis of the above embodiment, further, the connecting rod 12 is arranged in the center of the bearing surface.

In this embodiment, the connecting rod 12 is disposed at the center of the carrying surface, and the symmetrically disposed grooves 11 are matched to provide a balanced supporting force for the photovoltaic module, so as to further optimize the stability of the photovoltaic module on the support 20.

As an alternative embodiment, the connecting rod 12 may also be offset from the center of the bearing surface.

In addition to the above embodiment, a spacer 14 is further disposed between the fastening member 13 and the C-surface of the frame 30.

On the basis of the above embodiment, the bracket 20 is of a general C-shaped steel structure, that is, the bracket includes a bottom plate 200, side plates 201 which are located on two opposite sides of the bottom plate 200 and are vertically connected to the bottom plate, and connecting plates 202 which are perpendicular to each side plate 201 and are parallel to the bottom plate 200, a gap is formed between the two connecting plates 202, the grooves 11 on the mounting plate 10 are respectively clamped on the two connecting plates 202, and a bearing surface is formed on the connecting plates 202.

The utility model also provides a photovoltaic system, including a plurality of photovoltaic module (not shown in the figure), photovoltaic module is the matrix and arranges, and support 20 is used for bearing photovoltaic module to and sectional fixture, sectional fixture's mounting panel 10 clamps on support 20 through recess 11, behind sectional fixture's the connecting rod 12 run through photovoltaic module's the frame 30C face with fastener 13 fastening connection.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A mounting fixture, comprising:

the mounting plate is provided with a groove on two opposite side surfaces and used for clamping the mounting plate on the bracket;

the connecting rod is arranged on the bearing surface of the mounting plate and can penetrate through the side C of the frame of the photovoltaic module;

a fastener capable of being fastened to the connecting rod.

2. The mounting fixture of claim 1, wherein the mounting plate is a flat plate structure, and the grooves are symmetrically distributed on two side surfaces of the mounting plate to form an i-shaped structure.

3. The mounting fixture of claim 1, wherein the mounting plate and the connecting rod are of an integral structure, the outer wall of the free end of the connecting rod is externally threaded, and the fastening member is a nut.

4. The mounting fixture of claim 1, wherein the connecting rod is a stud bolt, a threaded hole is formed in the bearing surface of the mounting plate, and one end of the stud bolt is threadedly connected to the threaded hole; the other end of the stud bolt penetrates through the frame and then is connected with the fastening piece, and the fastening piece is a nut.

5. The mounting clip of claim 2, wherein the mounting plate of the i-shaped structure is slidable along the bracket, and an extension of the mounting plate in the sliding direction is less than, equal to, or greater than a width of the C-face of the bezel.

6. The mounting clip of claim 5, wherein an extension of the mounting plate in a direction perpendicular to the sliding direction is less than or equal to a width of the bracket.

7. The mounting fixture of claim 1, wherein the clamping portion of the groove and the bracket is in clearance fit or transition fit.

8. The mounting fixture of claim 1, wherein the depth of the groove is less than or equal to the maximum dimension of the bracket that can be snapped into place with the groove.

9. The installation jig of claim 2 wherein the tie bar is disposed in the center of the bearing surface.

10. A photovoltaic system is characterized by comprising a plurality of photovoltaic modules, wherein the photovoltaic modules are arranged in a matrix;

the bracket is used for bearing the photovoltaic assembly;

the mounting fixture of any one of claims 1 to 9, wherein the mounting plate of the mounting fixture is clamped on the bracket through a groove, and a connecting rod of the mounting fixture penetrates through the C surface of the frame of the photovoltaic module and is then fastened and connected with the fastener.