CN217406445U

CN217406445U - Connection structure and photovoltaic power plant

Info

Publication number: CN217406445U
Application number: CN202221067632.6U
Authority: CN
Inventors: 曹梦; 武中原; 夏登福
Original assignee: Sungrow Power Supply Co Ltd
Current assignee: Sungrow Power Supply Co Ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-09-09
Anticipated expiration: 2032-05-06

Abstract

The utility model discloses a connection structure and photovoltaic power plant relates to photovoltaic technical field. The connecting structure is used for connecting the photovoltaic assembly and the steel strand, the connecting structure comprises a first connecting piece and a second connecting piece, the upper top surface of the first connecting piece can be detachably connected with the photovoltaic assembly, the first connecting piece part protrudes upwards to form a first semi-arc groove, the second connecting piece part protrudes downwards to form a second semi-arc groove, and when the second connecting piece is connected with the first connecting piece, the first semi-arc groove and the second semi-arc groove can form a placing groove matched with the steel strand. The utility model discloses simple structure, convenient operation can not only carry out radial spacing to steel strand wires, still has stronger damping performance, has improved the stability that photovoltaic module and steel strand wires are connected.

Description

Connection structure and photovoltaic power plant

Technical Field

The utility model relates to a photovoltaic technology field especially relates to a connection structure and photovoltaic power plant.

Background

At present, in order to install photovoltaic modules in places (such as mountainous regions, beaches and fish ponds) with poor topographic conditions and good light resources, flexible supports are mostly adopted to replace the installation mode of traditional supports, namely, steel strands are used as fixed supports of the photovoltaic modules, and the steel strands have certain deformability so as to meet the requirements of different terrains. Because photovoltaic module and steel strand wires are connected through the connecting piece, and present connecting piece mostly is the U-shaped bolt so that the steel strand wires pass the U-shaped groove of U-shaped bolt, consider that steel strand wires span is big easily because of the outside strong wind produces frequent left and right rocking, rock and anomalous vibrations from top to bottom, nevertheless because the steel strand wires card is established at the tank bottom in U-shaped groove and is leaded to the U-shaped bolt to retrain the removal of steel strand wires in left and right directions, and then cause the steel strand wires can reciprocate in the U-shaped inslot, not only can directly collide with photovoltaic module's bottom surface because of the steel strand wires are directly under outside vibrations, still can make the connecting piece of being connected with the steel strand wires receive the influence and appear cracked possibility, reduce the stability that photovoltaic module and steel strand wires are connected, cause economic loss.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an one of them aim at provides a connection structure, can not only carry out radially spacingly to the steel strand wires, still has stronger shock attenuation performance, has improved the stability that photovoltaic module and steel strand wires are connected.

For realizing the above technical effect, the technical scheme of the utility model as follows:

a connection structure for connecting a photovoltaic module and a steel strand, the connection structure comprising:

the upper top surface of the first connecting piece can be detachably connected with the photovoltaic module, and the first connecting piece partially protrudes upwards to form a first semi-arc groove;

and when the second connecting piece is connected with the first connecting piece, the first half arc groove and the second half arc groove can form a placing groove matched with the steel strand.

As an alternative to the connection structure, the first half-arc groove has a groove length greater than that of the second half-arc groove.

As an alternative to the connection structure, the first connection member includes:

the first semi-arc groove is formed in the bottom plate, and the bottom plate can be detachably connected with the second connecting piece;

two butt joint boards, two the butt joint board sets up respectively the both sides of bottom plate, the butt joint board can with photovoltaic module detachably connects.

As an alternative of the connection structure, the first connection member further includes two transition plates, the transition plates correspond to the abutting plates one by one, the transition plates are respectively connected with the bottom plate and the abutting plates vertically, and the upper surface of the abutting plates is higher than the upper surface of the bottom plate.

As an alternative of the connection structure, a first positioning hole is formed in the bottom plate, a second positioning hole matched with the first positioning hole is formed in the second connecting piece, and the connection structure further comprises a first fastening piece, wherein the first fastening piece sequentially penetrates through the first positioning hole and the second positioning hole so that the first connecting piece is connected with the second connecting piece.

As an alternative of the connection structure, the first fastening member includes a fastening bolt and a fastening nut, and one end of the fastening bolt sequentially passes through the first positioning hole and the second positioning hole and then is in threaded connection with the fastening nut.

As an alternative of the connection structure, the number of the first positioning holes is provided in plurality, and the first semi-arc groove is located between the plurality of first positioning holes.

As an alternative to the connection structure, the abutting plate is provided with a plurality of connection holes at intervals.

Another object of the utility model is to provide a photovoltaic power plant, photovoltaic power plant can not only carry out radial spacing to steel strand wires through foretell connection structure, still has stronger damping performance, has improved the stability that photovoltaic module and steel strand wires are connected.

the utility model provides a photovoltaic power plant, includes photovoltaic module, photovoltaic power plant still includes as above connection structure, every photovoltaic module at least with two steel strand wires pass through connection structure fixes.

As an alternative to the photovoltaic power plant, each of the connecting structures is connected to two adjacent photovoltaic modules.

The utility model has the advantages that: the utility model provides a connection structure and photovoltaic power plant, during the use, be connected through first connecting piece and photovoltaic module's bottom surface, and with the upper surface of steel strand wires and the tank bottom contact in first half arc groove, make the lower surface of steel strand wires again and make the second connecting piece be connected with first connecting piece after the tank bottom contact in second half arc groove and laminate until the upper surface of second connecting piece and the lower surface of first connecting piece, the groove of shelving that first half arc groove and second half arc groove formed this moment can laminate with the outer wall of steel strand wires completely, thereby realize radial spacing to the steel strand wires. Even under the environment of strong wind, the relative movement between the steel strand and the first connecting piece and the second connecting piece and the direct contact between the steel strand and the photovoltaic module can be avoided. In addition, first connecting piece forms first half arc groove and second connecting piece through protruding formation second half arc groove downwards through forming to upwards protrusion to make first connecting piece and second connecting piece all be nearly font along vertical direction's cross-section, make first connecting piece and second connecting piece all have stronger shock attenuation performance, improved connection structure's bulk strength. The utility model discloses simple structure, convenient operation can not only carry out radial spacing to steel strand wires, still has stronger damping performance, has improved the stability that photovoltaic module and steel strand wires are connected.

Additional aspects and advantages of the invention 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 the invention.

Drawings

Fig. 1 is a schematic structural view of a connection structure provided in an embodiment of the present invention respectively matching with a photovoltaic module and a steel strand;

FIG. 2 is a schematic view of a portion of the enlarged structure at A in FIG. 1;

fig. 3 is a schematic structural diagram of a connection structure according to an embodiment of the present invention;

fig. 4 is an exploded view of a connection structure according to an embodiment of the present invention.

Reference numerals are as follows:

1. a connecting structure;

11. a first connecting member; 111. a base plate; 1111. a first semi-arc groove; 1112. a first positioning hole; 112. abutting against the plate; 1121. connecting holes; 113. a transition plate;

12. a second connecting member; 121. a second half-arc groove; 122. a second positioning hole;

13. a first fastener; 131. fastening a bolt; 132. fastening a nut;

2. a photovoltaic module; 3. and (4) steel strands.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

It will be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing and simplifying the invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning. Wherein the terms "first position" and "second position" are two different positions.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1 and fig. 2, the present embodiment provides a photovoltaic power plant, which includes a plurality of photovoltaic modules 2 and a connection structure 1, wherein each photovoltaic module 2 is fixed with at least two steel strands 3 through the connection structure 1, so as to ensure the stability of connection of each photovoltaic module 2.

Further, every connection structure 1 is connected with two adjacent photovoltaic module 2 respectively, can not only improve whole photovoltaic power plant's space utilization, can also guarantee that the interval between two adjacent photovoltaic module 2 is unanimous all the time, avoids appearing the possibility of mutual collision between photovoltaic module 2 under environments such as strong wind.

As shown in fig. 3, the connection structure 1 includes a first connection member 11 and a second connection member 12, the upper surface of the first connection member 11 can be detachably connected to the photovoltaic module 2, the first connection member 11 partially protrudes upward to form a first half arc groove 1111, the second connection member 12 partially protrudes downward to form a second half arc groove 121, and when the second connection member 12 is connected to the first connection member 11, the first half arc groove 1111 and the second half arc groove 121 can form a resting groove matched with the steel strand 3.

During the use, be connected through first connecting piece 11 and photovoltaic module 2's bottom surface, and with the upper surface of steel strand wires 3 and the tank bottom contact of first half arc groove 1111, make the lower surface of steel strand wires 3 and the tank bottom contact back of second half arc groove 121 make second connecting piece 12 and first connecting piece 11 be connected until the upper surface of second connecting piece 12 and the lower surface laminating of first connecting piece 11 again, the groove of shelving that first half arc groove 1111 and second half arc groove 121 formed at this moment can laminate with the outer wall of steel strand wires 3 completely, thereby realize radial spacing to steel strand wires 3. Even in strong wind environment, the relative movement between the steel strand 3 and the first and second connecting

members

11 and 12 and the direct contact between the steel strand 3 and the photovoltaic module 2 can be avoided. In addition, the first connecting piece 11 forms the first half-arc groove 1111 through forming an upward protrusion and the second connecting piece 12 forms the second half-arc groove 121 through a downward protrusion, so that the cross sections of the first connecting piece 11 and the second connecting piece 12 in the vertical direction are both in a shape like a Chinese character 'ji', the first connecting piece 11 and the second connecting piece 12 have strong damping performance, and the overall strength of the connecting structure 1 is improved. This connection structure 1 simple structure, convenient operation can not only radially spacing to steel strand wires 3, still has stronger shock attenuation performance, has improved the stability that photovoltaic module 2 and steel strand wires 3 are connected.

Specifically, considering that the steel strand 3 has a certain flexibility, in order to ensure that the steel strand 3 can be clamped by the first half-arc groove 1111 and the second half-arc groove 121 respectively for the first connecting member 11 and the second connecting member 12, the length of the arc edge of the first half-arc groove 1111 is a, the length of the arc edge of the second half-arc groove 121 is b, the circumference of the steel strand 3 is c, and the following formula is satisfied: a + b < c, namely the perimeter of the annular section of the formed shelving groove is smaller than that of the steel strand, so that certain extrusion force is applied to the lateral peripheral surface of the steel strand to ensure the stability of the shelving groove for fixing the steel strand, and the axial friction force between the shelving groove and the steel strand can be increased to axially limit the steel strand. In the present embodiment, in consideration of the aesthetic property and the stress condition of the steel strand 3, a is b.

Referring to fig. 4, in this embodiment, the length of the first half-arc groove 1111 is greater than that of the second half-arc groove 121, so that the manufacturing cost is reduced while the steel strand is limited. Of course, in other embodiments, if the groove length of the first half-arc groove 1111 is far longer than the groove length of the second half-arc groove 121, the number of the second connection members 12 is provided in plurality, and a plurality of second connection members 12 are connected to the first connection member at intervals along the direction of the groove length, so as to improve the effect of limiting and supporting the steel strand.

Wherein, in order to realize that the first connecting piece 11 can be detachably connected with the photovoltaic module 2 and the second connecting piece 12 respectively, the first connecting piece 11 includes a bottom plate 111 and two abutting plates 112, the first half arc 1111 is disposed on the bottom plate 111, the bottom plate 111 can be detachably connected with the second connecting piece 12, the two abutting plates 112 are disposed on two sides of the bottom plate 111 respectively, and the abutting plates 112 can be detachably connected with the photovoltaic module 2.

Specifically, the bottom plate 111 is provided with a first positioning hole 1112, the second connecting member 12 is provided with a second positioning hole 122 matching with the first positioning hole 1112, and the connecting structure 1 further includes a first fastening member 13, and the first fastening member 13 sequentially passes through the first positioning hole 1112 and the second positioning hole 122 to connect the first connecting member 11 and the second connecting member 12. Illustratively, the first fastening member 13 includes a fastening bolt 131 and a fastening nut 132, and one end of the fastening bolt 131 passes through the first positioning hole 1112 and the second positioning hole 122 in sequence and then is in threaded connection with the fastening nut 132. In addition, the steel strands 3 with different diameters can be adapted through the cooperation of the fastening bolt 131 and the fastening nut 132, so that the base plate 111 and the second connecting member 12 are always ensured to clamp the steel strands 3.

Optionally, a plurality of first positioning holes 1112 are provided, the first semi-arc groove 1111 is located between the plurality of first positioning holes 1112, and the second positioning holes 122 are in one-to-one correspondence with the first positioning holes 1112, so as to improve the connection stability between the abutting plate 112 and the second connecting member 12. In this embodiment, two first positioning holes 1112 are disposed on two sides of the first semi-arc groove 1111. Of course, in other embodiments, the number and the specific distribution of the first positioning holes 1112 and the corresponding second positioning holes 122 may also be adjusted according to the size of the second connector 12, and the embodiment is not particularly limited.

Similarly, a connection hole 1121 is formed in the abutting plate 112, and the connection hole 1121 can be matched with a mounting hole of the photovoltaic module 2, so that the first connection member 11 can be detachably connected with the photovoltaic module 2 through the connection hole 1121 in the abutting plate 112. In addition, the two abutting plates 112 on the two sides of the bottom plate 111 are respectively connected with the photovoltaic module 2, so that the connection stability of the first connecting piece 11 and the photovoltaic module 2 can be ensured.

Further, a plurality of connecting holes 1121 are arranged on each abutting plate 112 at intervals, so that each abutting plate 112 can be connected with two adjacent photovoltaic modules 2, and the phenomenon that the adjacent photovoltaic modules 2 collide with each other in a strong wind environment is effectively avoided. In this embodiment, each abutting plate 112 is provided with two connecting holes 1121 respectively connected to two photovoltaic modules 2. Of course, the number and the specific distribution of the connection holes 1121 may also be adjusted according to the sizes of the photovoltaic module 2 and the first connection member 11, and the embodiment is not particularly limited.

Further, the first connecting member 11 further includes two transition plates 113, the transition plates 113 correspond to the abutting plates 112 one by one, the transition plates 113 are respectively connected to the bottom plate 111 and the abutting plates 112 perpendicularly, and the upper surface of the abutting plates 112 is higher than the upper surface of the bottom plate 111. Make bottom plate 111 and butt board 112 be the stair structure through crossing cab apron 113 promptly, first half arc groove 1111 and photovoltaic module 2 take place to interfere when can not only avoiding butt board 112 and photovoltaic module 2 to be connected between, can also play certain shock attenuation cushioning effect, improve connection structure 1's intensity.

Wherein, in order to ensure the rigidity of the connecting structure 1, the first connecting piece 11 and the second connecting piece 12 are both made of steel. Similarly, the bottom plate 111, the abutting plate 112 and the transition plate 113 are integrally formed to ensure the rigidity of the first connecting member 11. Illustratively, the first connecting member 11 and the second connecting member 12 are both made by a press forming process or a roll forming process, which can mass-produce the first connecting member 11 and the second connecting member 12, reducing the manufacturing cost of the connecting structure 1.

In the description herein, references to the description of "some embodiments," "other embodiments," or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. A connection structure for connecting a photovoltaic module (2) and a steel strand (3), comprising:

the upper top surface of the first connecting piece (11) can be detachably connected with the photovoltaic module (2), and the first connecting piece (11) partially protrudes upwards to form a first semi-arc groove (1111);

second connecting piece (12), second connecting piece (12) part downward protrusion forms second half arc groove (121), works as second connecting piece (12) with when first connecting piece (11) are connected, first half arc groove (1111) with second half arc groove (121) can form with steel strand wires (3) matched with rest the groove.

2. The connection structure according to claim 1, wherein the first half-arc groove (1111) has a groove length longer than that of the second half-arc groove (121).

3. The connection according to claim 1 or 2, characterized in that the first connection member (11) comprises:

a base plate (111), wherein the first semi-arc groove (1111) is arranged on the base plate (111), and the base plate (111) can be detachably connected with the second connecting piece (12);

the two abutting plates (112) are arranged on two sides of the bottom plate (111) respectively, and the abutting plates (112) can be detachably connected with the photovoltaic assembly (2).

4. The connecting structure according to claim 3, wherein the first connecting member (11) further comprises two transition plates (113), the transition plates (113) and the abutting plates (112) are in one-to-one correspondence, the transition plates (113) are respectively connected with the base plate (111) and the abutting plates (112) perpendicularly, and the upper surface of the abutting plates (112) is higher than the upper surface of the base plate (111).

5. The connecting structure according to claim 3, wherein the bottom plate (111) is provided with a first positioning hole (1112), the second connecting member (12) is provided with a second positioning hole (122) matched with the first positioning hole (1112), and the connecting structure further comprises a first fastening member (13), and the first fastening member (13) sequentially penetrates through the first positioning hole (1112) and the second positioning hole (122) to connect the first connecting member (11) and the second connecting member (12).

6. The connecting structure according to claim 5, wherein the first fastening member (13) includes a fastening bolt (131) and a fastening nut (132), and one end of the fastening bolt (131) passes through the first positioning hole (1112) and the second positioning hole (122) in sequence and is in threaded connection with the fastening nut (132).

7. The connection structure according to claim 5, wherein the number of the first positioning holes (1112) is provided in plural, and the first semi-arc groove (1111) is located between the plural first positioning holes (1112).

8. The connecting structure according to claim 3, wherein the abutting plate (112) is provided with a plurality of connecting holes (1121) at intervals.

9. A photovoltaic power plant comprising photovoltaic modules (2), characterized in that it further comprises a connection structure according to any one of claims 1 to 8, through which each photovoltaic module (2) is fixed at least two steel strands (3).

10. The plant according to claim 9, characterized in that each of said connection structures is connected to two adjacent photovoltaic modules (2), respectively.