CN217849286U - Photovoltaic module fixed knot constructs and photovoltaic system - Google Patents
Photovoltaic module fixed knot constructs and photovoltaic system Download PDFInfo
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- CN217849286U CN217849286U CN202221800648.3U CN202221800648U CN217849286U CN 217849286 U CN217849286 U CN 217849286U CN 202221800648 U CN202221800648 U CN 202221800648U CN 217849286 U CN217849286 U CN 217849286U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model relates to a photovoltaic power generation technical field discloses a photovoltaic module fixed knot constructs and photovoltaic system. This photovoltaic module fixed knot constructs is used for being fixed in the photovoltaic module on the purlin. The photovoltaic module fixing structure comprises a hoop member, an upper pressing member and a lower fixing member, the upper pressing member and the lower fixing member are correspondingly connected to the two ends of the hoop member and extend in the direction away from the two ends of the hoop member, a purline can be embedded into a groove of the hoop member, the upper pressing member is used for pressing the upper surface of the photovoltaic module, and the lower fixing member is used for being connected with the back face of a frame of the photovoltaic module. Through the cooperation between last casting die, lower mounting and the staple bolt spare, can be fixed in the purlin with photovoltaic module reliably on, prevent the pine and take off. Compared with the existing fixing mode, the connecting mode is simpler and more reasonable in structure, lower in cost, strong in limiting effect on the photovoltaic assembly, convenient to install, low in construction requirement, higher in overall reliability and better in supporting and fixing effects.
Description
Technical Field
The utility model relates to a photovoltaic power generation technical field, concretely relates to photovoltaic module fixed knot constructs and photovoltaic system.
Background
The worldwide energy crisis has promoted the rapid development of new energy industries, and solar energy is the most important basic energy of various renewable energy sources, so that the development of the solar power generation technology for converting solar radiation energy into electric energy, namely the photovoltaic technology, is rapid. The main devices of photovoltaic power generation are photovoltaic modules for acquiring solar radiation energy, and the photovoltaic modules are used outdoors for a long time, so that the use environment is severe, the self weight is heavy, and the installation work is heavy, so that the installation requirement on the photovoltaic modules is high, and the fixed reliability of the photovoltaic modules is worthy of deep research.
In the prior art, the pressing block is connected with the nut inside the purlin through the bolt, and the photovoltaic module is pressed above the purlin. The briquetting blank pressing can restrict photovoltaic module along vertical direction displacement, and simultaneously, the pretightning force is exerted to the bolt for blank pressing and photovoltaic module surface produce pressure, rely on frictional force restriction photovoltaic module's displacement. However, in practical use, there are mainly the following problems:
(1) The briquetting node is many, and construction error is big, and node installation construction is difficult to satisfy the design requirement, and briquetting bolt pretightning force easily takes place the loss under the wind load that relapse for the briquetting reliability descends.
(2) The external load is too big, and the purlin takes place whole and local deformation coupling, and the contact condition of briquetting face and frame can't provide sufficient frictional force and restrict photovoltaic module's displacement.
Therefore, it is desirable to provide a photovoltaic module fixing structure and a photovoltaic system to solve the above problems.
SUMMERY OF THE UTILITY MODEL
According to the utility model discloses an aspect, the utility model aims to provide a photovoltaic module fixed knot constructs, simple structure is reasonable, simple to operate, and the cost is lower, and is low to the construction requirement, and the overall reliability is higher, supports fixed effect better.
In order to achieve the purpose, the utility model discloses a following technical scheme realizes:
the utility model provides a photovoltaic module fixed knot constructs for be fixed in photovoltaic module on the purlin, photovoltaic module fixed knot constructs includes:
the purline can be embedded in a notch of the hoop member;
the photovoltaic module fixing device comprises an upper pressing piece and a lower fixing piece, wherein the upper pressing piece and the lower fixing piece are correspondingly connected to two ends of a hoop and extend in a direction away from the hoop, the upper pressing piece is used for pressing the upper surface of a photovoltaic module, and the lower fixing piece is used for being connected with the back face of a frame of the photovoltaic module.
As a preferable scheme of the photovoltaic module fixing structure, one end of the hoop member is connected to the central position of the side surface of the upper pressing member, the adjacent photovoltaic modules are positioned on two sides of the upper pressing member, and the upper pressing member can be pressed on the adjacent photovoltaic modules simultaneously;
one end, far away from the upper pressing piece, of the hoop is connected to the center of the side face of the lower fixing piece, the adjacent photovoltaic modules are located on two sides of the lower fixing piece, and the lower fixing piece can be connected to the adjacent photovoltaic modules at the same time.
As a preferable scheme of the photovoltaic module fixing structure, the upper pressing piece and the lower fixing piece are formed by bending two free ends of the hoop in a direction away from each other.
As a preferred scheme of the photovoltaic module fixing structure, a first mounting hole is formed in the lower fixing member, a second mounting hole is formed in a position, corresponding to the first mounting hole, of the back face of the frame of the photovoltaic module, and a first fastener penetrates through the first mounting hole and extends into the second mounting hole so as to fix the lower fixing member on the back face of the frame of the photovoltaic module.
As a preferred scheme of the photovoltaic module fixing structure, the lower fixing piece and the lower surface of the frame of the photovoltaic module are arranged in a clearance mode.
As a preferable scheme of the photovoltaic module fixing structure, the hoop part comprises a bottom plate and two side plates, the two side plates are correspondingly connected to two ends of the bottom plate, one of the side plates is connected with the upper pressing part, and the other side plate is connected with the lower fixing part.
As a preferred scheme of the photovoltaic module fixing structure, the bottom plate is arranged in a mode that two ends of the bottom plate gradually protrude upwards towards the center.
As a preferable scheme of the photovoltaic module fixing structure, the upper pressing piece and the lower fixing piece are correspondingly welded and fixed at two ends of the hoop.
As a preferable scheme of the photovoltaic module fixing structure, a bolt penetrates through the upper pressing piece, a nut is fixed at one end of the hoop, and the bolt is in threaded connection with the nut.
As an optimal scheme of the photovoltaic module fixing structure, a third mounting hole is formed in the hoop member, a fourth mounting hole is formed in a position, corresponding to the third mounting hole, of the purlin, and a second fastener penetrates through the third mounting hole and extends into the fourth mounting hole.
According to the utility model discloses a further purpose, the utility model discloses still provide a photovoltaic system, including photovoltaic module and purlin, still include above-mentioned arbitrary photovoltaic module fixed knot structure, photovoltaic module fixed knot structure can with photovoltaic module is fixed in on the purlin.
The utility model has the advantages that:
the utility model provides a photovoltaic module fixed knot constructs, the purlin can be fitted in the notch of staple bolt spare, through last casting die, down the cooperation between mounting and the staple bolt spare, can be fixed in photovoltaic module reliably on the purlin, prevent that the pine from taking off. The upper pressing piece is pressed on the upper surface of the photovoltaic assembly, the displacement of the photovoltaic assembly in the vertical direction can be limited after the upper pressing piece is pressed, and the lower fixing piece is used for being connected with a frame of the photovoltaic assembly so as to completely lock the photovoltaic assembly, so that the overall structure is firmer. Compare current fixed mode, this connected mode structure is simple more reasonable, and the cost is lower, and is strong to photovoltaic module's limiting displacement, simple to operate, and is low to the construction requirement, and the overall reliability is higher, supports fixed effect better.
Drawings
In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly and easily, the drawings required to be used in the embodiments or the prior art descriptions will be briefly introduced below, and the drawings described below are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of a photovoltaic system according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic view of a photovoltaic module fixing structure according to an embodiment of the present invention;
fig. 4 is a front view of a photovoltaic module fixing structure according to a first embodiment of the present invention;
FIG. 5 is a right side view of FIG. 1;
fig. 6 is a sectional view at B-B in fig. 5.
In the figure:
100. a photovoltaic module; 110. a body; 120. a frame;
1. a purlin;
2. a photovoltaic module fixing structure; 21. a hoop member; 211. a base plate; 212. a side plate; 22. a pressing piece is arranged; 23. a lower fixing member; 231. a first mounting hole; 24. a first fastener.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures associated with the present invention are shown in the drawings, not all of them.
In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected", "connected" and "fixed" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; 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 being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely 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.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of operation, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.
Example one
As shown in fig. 1, the present embodiment provides a photovoltaic system, which includes a photovoltaic module 100, a purlin 1 and a photovoltaic module fixing structure 2, where the photovoltaic module fixing structure 2 can fix the photovoltaic module 100 on the purlin 1. The photovoltaic module 100 includes a body 110 and a frame 120, wherein the body 110 is embedded in the frame 120. The photovoltaic module fixing structure 2 fixes the photovoltaic module 100 integrally through the fixing frame 120.
Referring to fig. 2, in particular, the photovoltaic module fixing structure 2 provided by the present embodiment includes a hoop member 21, an upper pressing member 22 and a lower fixing member 23, where the upper pressing member 22 and the lower fixing member 23 are correspondingly connected to two ends of the hoop member 21 and extend in a direction away from each other, the purlin 1 may be embedded in a notch of the hoop member 21, the upper pressing member 22 is used to press the upper surface of the photovoltaic module 100, and the lower fixing member 23 is used to be connected to the back of the frame 120 of the photovoltaic module 100. The upper holding member 22 may be a plate-like structure or a rod-like structure, and the lower holding member 23 may be the same as long as it can perform a pressing and fixing function.
In this embodiment, the hoop member 21 is a "U" shaped structure, and is adapted to the cross-sectional shape of the purlin 1, so that the hoop member 21 can be firmly clasped to the purlin 1, the relative sliding cannot occur, and a good limiting effect is formed. Of course, in other embodiments, the shape of the clasping member 21 can be adaptively selected according to the cross-sectional shape of the purlin 1.
The photovoltaic module fixed knot that this embodiment provided constructs 2, purlin 1 can inlay in the notch of staple bolt spare 21, through the cooperation between last casting die 22, lower mounting 23 and the staple bolt spare 21, can be fixed in photovoltaic module 100 reliably on purlin 1, prevents to loosen and takes off. The upper pressing piece 22 and the lower fixing piece 23 have a height difference, when the photovoltaic module is used, the upper pressing piece 22 is pressed on the upper surface of the photovoltaic module 100, the displacement of the photovoltaic module 100 in the vertical direction can be limited after the pressing, and the lower fixing piece 23 is used for being connected with the lower surface of the frame 120 of the photovoltaic module 100 to completely lock the photovoltaic module 100, so that the overall structure is firmer. Compared with the existing fixing mode, the connecting mode is simpler and more reasonable in structure, lower in cost, strong in limiting effect on the photovoltaic assembly 100, convenient to install, low in construction requirement, higher in overall reliability and better in supporting and fixing effects.
Further, as shown in fig. 3, one end of the hoop member 21 is connected to a central position of a side surface of the upper pressing member 22, adjacent photovoltaic modules 100 are located on two sides of the upper pressing member 22, and the upper pressing member 22 can be pressed against the adjacent photovoltaic modules 100 at the same time; one end of the hoop member 21 away from the upper pressing member 22 is connected to a central position of a side surface of the lower fixing member 23, the adjacent photovoltaic modules 100 are located on two sides of the lower fixing member 23, and the lower fixing member 23 can be connected to the adjacent photovoltaic modules 100 at the same time. It should be noted that, the length of the upper pressing member 22 is greater than the width of the hoop member 21, and one end of the hoop member 21 is connected to the central position of the side surface of the upper pressing member 22, so as to equally divide the upper pressing member 22 into two parts, so as to be respectively pressed on the adjacent photovoltaic modules 100. Similarly, the length of the lower fixing member 23 is greater than the width of the hoop member 21, and one end of the hoop member 21 away from the upper pressing member 22 is connected to the central position of the side surface of the lower fixing member 23, so as to equally divide the lower fixing member 23 into two parts, so as to be fixedly connected to the adjacent photovoltaic modules 100 respectively.
Through the arrangement, the two photovoltaic modules 100 can be simultaneously compressed and fixed, the relative displacement of the two photovoltaic modules 100 is limited, the material and the cost are saved, the installation operation is convenient, the installation time is shortened, the two adjacent photovoltaic modules 100 can be tightly connected, and the occupied area is reduced. It should be noted that, the upper pressing member 22 and the lower fixing member 23 in this embodiment are shared by two adjacent photovoltaic modules 100, and are respectively pressed and connected to the frames 120 of the two adjacent photovoltaic modules 100, and in actual use, one upper pressing member 22 and one lower fixing member 23 may also be used for the photovoltaic modules 100 arranged at the outermost side. When the installation, can fix the photovoltaic module 100 and the fixed subassembly 2 of one side earlier, adjacent photovoltaic module 100 adopts the mode of sliding in to install, and the mounting means is simple, can install from the back of photovoltaic module 100, has avoided personnel's climbing, has reduced personnel's high altitude construction, reduces the latent risk of splitting of subassembly.
Preferably, the upper pressing member 22 and the lower fixing member 23 are formed by bending two free ends of the hoop member 21 in a direction away from each other. By adopting the arrangement, the link of assembling among all the parts can be cancelled during processing, the manufacturing cost is saved, the structure is firmer and more durable, the installation is more convenient and faster, and the use of connecting pieces is reduced, thereby reducing the whole weight of the fixed component 2.
Further, as shown in fig. 3, a first mounting hole 231 is formed in the lower fixing member 23, a second mounting hole (not shown) is formed in a position of the back surface of the frame 120 of the photovoltaic module 100 corresponding to the first mounting hole 231, and the first fastening member 24 passes through the first mounting hole 231 and extends into the second mounting hole, so as to fix the lower fixing member 23 on the back surface of the frame 120 of the photovoltaic module 100. Wherein the first fastener 24 is preferably a bolt and nut combination and the nut is preferably a rectangular nut, as shown in fig. 5 and 6. When the installation, the rectangle nut is located the inside of frame 120, and is inconvenient to twist, and the rectangle nut can support the lateral wall of frame 120 after rotatory, consequently only need twist soon the bolt in the below of frame 120 can, installation convenient operation.
Next, as shown in fig. 3, in order to simultaneously connect one lower fixture 23 to the adjacent photovoltaic modules 100, the number of the first installation holes 231 is set to two in each lower fixture 23, and the first installation holes are spaced at both end positions of the lower fixture 23.
Preferably, as shown in fig. 5 and 6, the lower fixture 23 is spaced apart from the lower surface of the bezel 120 of the photovoltaic module 100. Therefore, after the lower fixing member 23 is fastened to the lower surface of the frame 120 of the photovoltaic module 100, the hoop member 21 can be firmly clasped on the purline 1, relative sliding cannot occur, and a good fixing effect is formed on the photovoltaic module 100.
Further, as shown in fig. 4, the hoop member 21 includes a bottom plate 211 and two side plates 212, the two side plates 212 are correspondingly connected to two ends of the bottom plate 211, one side plate 212 is connected to the upper pressing member 22, and the other side plate 212 is connected to the lower fixing member 23. In the present embodiment, the two side plates 212 are respectively disposed perpendicular to the bottom plate 211, the two side plates 212 are respectively disposed perpendicular to the upper holding member 22 and the lower holding member 23, the two side plates 212 are disposed in parallel, and the two side plates 212 have a height difference, and the side plate 212 connected to the upper holding member 22 is higher than the side plate 212 connected to the lower holding member 23.
Preferably, with continued reference to fig. 4, the bottom plate 211 is provided to be gradually convex upward from both ends toward the center. It should be noted that, this protrusion is specifically a slight upward protrusion of the bottom plate 211, which has a small amplitude, and when the lower fixing member 23 is fastened, the hoop member 21 can slightly rotate and deform around the bottom surface of the purlin 1, so as to ensure that the upper pressing member 22 is tightly attached to the upper surface of the photovoltaic module 100. Of course, in other embodiments, in order to ensure that the upper pressing member 22 is tightly attached to the upper surface of the photovoltaic module 100, saw teeth may be disposed on the surface of the upper pressing member 22 contacting the photovoltaic module 100, or hooks may be disposed at the edge of the upper pressing member 22, and the hooks may hook the frame 120, or other auxiliary structures may also be disposed.
Further preferably, a third mounting hole is formed in the hoop member 21, a fourth mounting hole is formed in a position of the purlin 1 corresponding to the third mounting hole, and the second fastener penetrates through the third mounting hole and extends into the fourth mounting hole. The third mounting hole may be disposed on the bottom plate 211, or may be disposed on the side plate 212, or both the bottom plate 211 and the side plate 212 may be disposed with the third mounting hole. The second fasteners may be bolts or self-tapping nails to increase the restraint of the entire row of photovoltaic modules 100 along the length of the purlin 1.
Example two
The photovoltaic module fixing structure 2 provided in this embodiment is substantially the same as the photovoltaic module fixing structure 2 provided in the first embodiment, and the main differences between the photovoltaic module fixing structure 2 and the photovoltaic module fixing structure 2 provided in the first embodiment are as follows: the upper pressing piece 22 and the lower fixing piece 23 are correspondingly welded and fixed at two ends of the hoop member 21. The connecting positions of the upper pressing piece 22 and the lower fixing piece 23 and the hoop member 21 can be adjusted by welding, and the hoop member 21, the upper pressing piece 22 and the lower fixing piece 23 are all in a T-shaped welding form, so that the strength of the connecting point can be improved.
EXAMPLE III
The photovoltaic module fixing structure 2 provided in this embodiment is substantially the same as the photovoltaic module fixing structure 2 provided in the first embodiment, and the main difference between the photovoltaic module fixing structure 2 and the photovoltaic module fixing structure 2 provided in the first embodiment is as follows: the center of the upper pressing member 22 is disposed through a bolt (not shown), and a nut (not shown) is fixed to one end of the hoop member 21, and the bolt is screwed into the nut. In this embodiment, the upper pressing member 22 and the hoop member 21 are separately arranged, and by adopting the arrangement, the position of the upper pressing member 22 can be adjusted by screwing the bolt, so that the upper pressing member 22 is tightly attached to the upper surface of the photovoltaic module 100, the photovoltaic module 100 with different thicknesses can be compatible, and the universality is high.
It is to be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (11)
1. A photovoltaic module fixing structure for fixing a photovoltaic module (100) to a purline (1), the photovoltaic module fixing structure comprising:
the purline (1) can be embedded into a notch of the hoop member (21);
the photovoltaic module fixing device comprises an upper pressing piece (22) and a lower fixing piece (23), wherein the upper pressing piece (22) and the lower fixing piece (23) are correspondingly connected to two ends of the hoop piece (21) and extend in the direction of deviating from the hoop piece, the upper pressing piece (22) is used for pressing the upper surface of the photovoltaic module (100), and the lower fixing piece (23) is used for being connected with the back of a frame (120) of the photovoltaic module (100).
2. The photovoltaic module fixing structure according to claim 1, wherein one end of the hoop member (21) is connected to a central position of a side surface of the upper pressing member (22), adjacent photovoltaic modules (100) are positioned on both sides of the upper pressing member (22), and the upper pressing member (22) can be pressed against the adjacent photovoltaic modules (100) at the same time;
one end, far away from the upper pressing piece (22), of the hoop piece (21) is connected to the center of the side face of the lower fixing piece (23), the adjacent photovoltaic modules (100) are located on two sides of the lower fixing piece (23), and the lower fixing piece (23) can be connected to the adjacent photovoltaic modules (100) at the same time.
3. The photovoltaic module fixing structure according to claim 2, wherein the upper pressing member (22) and the lower fixing member (23) are formed by bending two free ends of the hoop member (21) in directions away from each other.
4. The photovoltaic module fixing structure according to claim 3, wherein the lower fixing member (23) is provided with a first mounting hole (231), a second mounting hole is formed in a position of the back surface of the frame (120) of the photovoltaic module (100) corresponding to the first mounting hole (231), and a first fastening member (24) penetrates through the first mounting hole (231) and extends into the second mounting hole so as to fix the lower fixing member (23) to the back surface of the frame (120) of the photovoltaic module (100).
5. The photovoltaic module fixing structure according to claim 4, wherein the lower fixing member (23) is provided with a gap from a lower surface of the rim (120) of the photovoltaic module (100).
6. The photovoltaic module fixing structure according to claim 1, wherein the hoop member (21) comprises a bottom plate (211) and two side plates (212), the two side plates (212) are correspondingly connected to two ends of the bottom plate (211), one side plate (212) is connected to the upper pressing member (22), and the other side plate (212) is connected to the lower fixing member (23).
7. The photovoltaic module fixing structure according to claim 6, wherein the bottom plate (211) is provided to be convex upward gradually from both ends to the center.
8. The photovoltaic module fixing structure according to claim 1, wherein the upper pressing member (22) and the lower fixing member (23) are welded and fixed to both ends of the hoop member (21) correspondingly.
9. The photovoltaic module fixing structure according to claim 1, wherein a bolt is inserted through the upper pressing member (22), a nut is fixed to one end of the hoop member (21), and the bolt is screwed into the nut.
10. The photovoltaic module fixing structure according to any one of claims 1 to 9, wherein a third mounting hole is formed in the hoop member (21), a fourth mounting hole is formed in a position of the purlin (1) corresponding to the third mounting hole, and a second fastening member penetrates through the third mounting hole and extends into the fourth mounting hole.
11. A photovoltaic system comprising a photovoltaic module (100) and a purlin (1), characterized in that it further comprises a photovoltaic module fixing structure (2) according to any one of claims 1 to 10, said photovoltaic module fixing structure (2) being capable of fixing said photovoltaic module (100) to said purlin (1).
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