CN219351684U

CN219351684U - Photovoltaic module load test flexible fixing device

Info

Publication number: CN219351684U
Application number: CN202320139837.9U
Authority: CN
Inventors: 王永泽; 韩华华; 冯天顺; 郭一; 陈炯亮; 李英叶; 李志玲; 李学健
Original assignee: Yingli Energy China Co Ltd; Yingli Energy Development Co Ltd
Current assignee: Yingli Energy China Co Ltd; Yingli Energy Development Co Ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-07-14
Anticipated expiration: 2033-02-07

Abstract

The utility model discloses a flexible fixing device for testing the load of a photovoltaic module, which is arranged on a steel strand and comprises the following components: short support, long support, interior separation blade, outer separation blade, torsion screw rod, connecting frame and torsion adjusting device set up slidable interior separation blade, outer separation blade, torsion screw rod and connecting frame on long support, to the photovoltaic module of different specifications, the position of each subassembly of accessible regulation and then the position of the steel hank silk that the adjustment links to each other with connecting frame, improve the suitability of device, realize can adapting various photovoltaic module in the load test, but through the tensioning degree of torsion adjusting device adjustable steel hank silk, different photovoltaic module corresponds different tensioning degree, adopt torsion adjusting device can further improve the suitability of device.

Description

Photovoltaic module load test flexible fixing device

Technical Field

The utility model relates to the technical field of photovoltaic module testing devices, in particular to a photovoltaic module load testing flexible fixing device.

Background

The purpose of the photovoltaic module load test is to determine the ability of the module to withstand external stresses, and to verify the ability of the module to withstand wind, snow or ice loading at different mounting angles, which is critical to the reliability, power attenuation and service life of the module outdoors.

The photovoltaic module is generally fixed by adopting a rigid support, but along with the rapid development of the photovoltaic industry, the flexible photovoltaic support gradually becomes a mainstream photovoltaic support due to the advantages of low engineering cost, high land utilization rate, high power generation efficiency and the like. However, most of the existing photovoltaic module load testing devices are used for static load or dynamic load testing under the support of a rigid support, and cannot be used for load testing under the support of a flexible photovoltaic support.

The photovoltaic module fixing structure in the flexible support is a steel twisted wire, when the photovoltaic module is installed, the photovoltaic module and the steel twisted wire are required to be fixed, and different photovoltaic modules have different tensioning requirements on the steel twisted wire, so that the flexible photovoltaic support has extremely small suitability, and the photovoltaic module is also a technical problem of carrying out load test under the support of the flexible support.

In view of this, how to provide a flexible mounting bracket capable of adapting to various photovoltaic modules in load testing is a problem that needs to be solved by those skilled in the art.

Disclosure of Invention

The present utility model aims to solve, at least to some extent, one of the above technical problems in the prior art.

Therefore, an object of the present utility model is to provide a flexible fixing device for testing load of a photovoltaic module, wherein the photovoltaic module is mounted on a steel strand, and the flexible fixing device comprises:

a short support is arranged on the side of the frame,

the two short brackets and the two long brackets are respectively fixed and connected in sequence to form a rectangular frame; the inner side and the outer side of the long support are provided with first sliding grooves along the length direction, the inner side and the outer side of the long support are provided with two first sliding grooves in parallel, the first sliding grooves on the inner side of the long support are symmetrically arranged with the first sliding grooves on the outer side of the long support, and the first sliding grooves are T-shaped grooves;

the inner baffle plate is positioned at the inner side of the long support and is clamped into two first sliding grooves positioned at the inner side of the long support through a plurality of first special-shaped fixing bolts, and the first special-shaped fixing bolts can drive the inner baffle plate to slide along the first sliding grooves;

the outer baffle is positioned at the outer side of the long support, the outer baffle is clamped into the two first sliding grooves positioned at the outer side of the long support through a plurality of second special-shaped fixing bolts, and the second special-shaped fixing bolts can drive the outer baffle to slide along the first sliding grooves;

the long support penetrates through the inner surface and the outer surface and is provided with a through groove, the through groove is arranged along the length direction of the long support, and the through groove is positioned between two first sliding grooves on the same side; the inner baffle plate is provided with a first through hole corresponding to the through groove, the outer baffle plate is provided with a second through hole corresponding to the through groove, and the first through hole and the second through hole are corresponding to each other;

the torsion screw penetrates into the first through hole from the inner side of the long bracket, passes through the through groove and then extends out of the second through hole to the outer side of the long bracket;

the connecting frame is hollow, one end of the connecting frame is connected with the inner side end of the torsion screw rod, and the other end of the connecting frame is connected with the steel strand fixing rod; the inner baffle plates, the outer baffle plates, the torsion screw rods and the connecting frames on the two long brackets are identical in number and symmetrically arranged, and two ends of the steel strands are fixedly connected with two symmetrical steel strand fixing rods respectively;

the torsion adjusting device comprises an adjusting frame, a torsion nut and an inner nut, the adjusting frame is arranged on the outer baffle, the bottom of the adjusting frame penetrates through the upper surface and the lower surface to form a mounting hole, the inner nut is arranged in the mounting hole, and the outer end of the torsion screw rod extends into the adjusting frame from the inner nut and is in threaded connection with the inner nut; the torsion nut is fixedly arranged on the upper surface of the adjusting frame, the adjusting frame rotates when the torsion nut rotates, and the inner nut can enable the torsion screw to move along the length direction of the torsion screw.

The beneficial effects of the utility model are as follows:

1. set up slidable interior separation blade, outer separation blade, torsion screw and linking bridge on long support, to the photovoltaic module of different specifications, the position of each subassembly of accessible regulation and then the position of the steel hank silk that the adjustment links to each other with linking bridge improves the suitability of device, realizes can adapting to various photovoltaic module in the load test.

2. The tension degree of the steel twisted wires can be adjusted through the torsion adjusting device, different photovoltaic modules correspond to different tension degrees, and the adaptability of the device can be further improved by adopting the torsion adjusting device.

Preferably, the long support is an aluminum support with the length of 260cm, the width of 8cm and the height of 8cm, the short support is an aluminum support with the length of 160cm, the width of 8cm and the height of 8cm, and the long support is fixedly connected with the short support through screws.

Preferably, the depth of the first chute is 1cm, the width of the bottom is 2cm, and the width of the notch is 0.8cm.

Further, the top of the connecting frame is provided with a third through hole, the bottom of the connecting frame is provided with a fourth through hole, the inner side end of the torsion screw rod stretches into the connecting frame from the third through hole and extends to two sides to form a first extension part, one end of the steel strand fixing rod stretches into the connecting frame from the fourth through hole and extends to two sides to form a second extension part, and the other end of the steel strand fixing rod is fixedly connected with the steel strand.

In the technical scheme, the torsion screw rod can freely move in the third through hole, but can not be separated from the connecting frame under the limiting action of the first extension part, and in the same way, the steel strand fixing rod can also freely move in the fourth through hole, but can not be separated from the connecting frame under the limiting action of the second extension part. After the steel twisted wire is fixed to the steel twisted wire fixing rod, the first extension portion is tightly attached to the connecting frame under the action of traction force of the steel twisted wire, the second extension portion is not moved, but the connecting frame can be driven by the first extension portion to move towards the steel twisted wire, so that the second extension portion is tightly attached to the connecting frame, and when the torsion screw runs, the tension of the steel twisted wire can be changed rapidly.

Further, the torsion screw is provided with an inner fixing nut and an outer fixing nut, the inner fixing nut is arranged on the torsion screw and is positioned between the inner baffle plate and the connecting frame and is close to the inner baffle plate, and the outer fixing nut is arranged on the torsion screw and is positioned in the connecting frame and is close to the outer baffle plate.

In the scheme, the inner fixing nut and the outer fixing nut have the effects that after the tension degree of the steel twisted wire is adjusted, the torsion screw is fixed, so that the tension degree of the steel twisted wire can not be changed in the subsequent load test process of the photovoltaic module.

Further, the device also comprises a second sliding groove and a bracket fixing plate, wherein the outer side of the long bracket is provided with the second sliding groove along the length direction, the two second sliding grooves are arranged in parallel, and the second sliding groove is a T-shaped groove; the support fixed plate is located the outside of long support, and it is through a plurality of third dysmorphism gies card income second spout, the third dysmorphism gies can drive the support fixed plate is followed the second spout slides, support fixed plate can with longeron fixed connection.

In the above technical scheme, the action of the longitudinal beam is an auxiliary supporting structure of the photovoltaic module, and is a part of the photovoltaic module, and different longitudinal beam structures of the photovoltaic module are also different.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure;

FIG. 2 is a schematic view of the inner side structure of a long bracket;

FIG. 3 is a schematic view of the outside structure of a long bracket;

FIG. 4 is a schematic view of an adjustment frame structure;

FIG. 5 is a bottom view of the adjustment frame;

FIG. 6 is a schematic view of a connection frame structure;

FIG. 7 is a bottom view of the connection frame;

the novel steel wire fixing device comprises a 1-short support, a 2-long support, a 201-first sliding groove, a 202-through groove, a 203-second sliding groove, a 3-inner baffle, a 301-first through hole, a 4-first special-shaped fixing bolt, a 5-outer baffle, a 501-second through hole, a 6-second special-shaped fixing bolt, a 7-torsion screw, an 8-connecting frame, a 801-fourth through hole, a 9-steel wire fixing rod, a 10-adjusting frame, a 1001-fourth through hole, a 11-torsion nut, a 12-inner nut, a 13-inner fixing nut, a 14-outer fixing nut, a 15-support fixing plate and a 16-third special-shaped fixing bolt.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The embodiment of the utility model discloses a flexible fixing device for testing the load of a photovoltaic module, which is arranged on a steel strand and comprises the following components: the two short brackets 1, the two long brackets 2, the two short brackets 1 and the two long brackets 2 are respectively fixedly connected in sequence to form a rectangular frame; the inner side and the outer side of the long support 2 are provided with first sliding grooves 201 along the length direction, the first sliding grooves 201 are arranged in parallel on the inner side and the outer side of the long support 2, the first sliding grooves 201 on the inner side of the long support 2 are symmetrically arranged with the first sliding grooves 201 on the outer side of the long support 2, and the first sliding grooves 201 are T-shaped grooves; the inner baffle plate 3 is positioned on the inner side of the long support 2, the inner baffle plate 3 is clamped into two first sliding grooves 201 positioned on the inner side of the long support 2 through a plurality of first special-shaped fixing bolts 4, and the first special-shaped fixing bolts 4 can drive the inner baffle plate 3 to slide along the first sliding grooves 201; the outer baffle 5 is positioned at the outer side of the long bracket 2, the outer baffle 5 is clamped into two second sliding grooves 203 positioned at the outer side of the long bracket 2 through a plurality of second special-shaped fixing bolts 6, and the second special-shaped fixing bolts 6 can drive the outer baffle 5 to slide along the second sliding grooves 203; the long bracket 2 is provided with a through groove 202 penetrating through the inner surface and the outer surface, the through groove 202 is arranged along the length direction of the long bracket 2, and the through groove 202 is positioned between two first sliding grooves 201 on the same side; the inner baffle 3 is provided with a first through hole 301 corresponding to the through groove 202, the outer baffle 5 is provided with a second through hole 501 corresponding to the through groove 202, and the positions of the first through hole 301 and the second through hole 501 are corresponding to each other; the torsion screw rod 7 penetrates into the first through hole 301 from the inner side of the long bracket 2, passes through the through groove 202 and then extends out of the second through hole 501 to the outer side of the long bracket 2; the connecting frame 8 is hollow, one end of the connecting frame 8 is connected with the inner side end of the torsion screw 7, and the other end of the connecting frame is connected with the steel strand fixing rod; the inner baffle plates 3, the outer baffle plates 5, the torsion screw rods 7 and the connecting frames 8 on the two long brackets 2 are identical in number and symmetrically arranged, and two ends of the steel strands are fixedly connected with two symmetrical steel strand fixing rods respectively; the torsion adjusting device comprises an adjusting frame 10, a torsion nut 11 and an inner nut 12, wherein the adjusting frame 10 is arranged on the outer baffle 5, mounting holes are formed in the bottom of the adjusting frame 10 in a penetrating manner through the upper surface and the lower surface, the inner nut 12 is arranged in the mounting holes, and the outer side end of the torsion screw 7 extends into the adjusting frame 10 from the inner nut 12 and is in threaded connection with the inner nut 12; the torsion nut 11 is fixedly installed on the upper surface of the adjustment frame 10, the adjustment frame 10 rotates when the torsion nut 11 rotates, and the internal nut 12 can move the torsion screw 7 along the length direction thereof.

In the embodiment, the long support 2 is an aluminum support with a length of 260cm, a width of 8cm and a height of 8cm, the wide support is an aluminum support with a length of 160cm, a width of 8cm and a height of 8cm, and the long support 2 is fixedly connected with the short support 1 through screws.

In this embodiment, the first chute 201 has a depth of 1cm, a bottom width of 2cm, and a slot width of 0.8cm.

In this embodiment, the top of the connection frame 8 is provided with a third through hole, the bottom is provided with a fourth through hole 1001, the inner side end of the torsion screw 7 extends into the connection frame 8 from the third through hole and extends to two sides to form a first extension part, one end of the steel strand fixing rod extends into the connection frame 8 from the fourth through hole 1001 and extends to two sides to form a second extension part, and the other end of the steel strand fixing rod is fixedly connected with the steel strand. In this embodiment, the other end of the twisted wire fixing rod 9 is provided with a connection ring.

In this embodiment, the torsion screw rod further comprises an inner fixing nut 13 and an outer fixing nut 14, wherein the inner fixing nut 13 is arranged on the torsion screw rod 7, is positioned between the inner baffle plate 3 and the connecting frame 8 and is close to the inner baffle plate 3, and the outer fixing nut 14 is arranged on the torsion screw rod 7, is positioned in the connecting frame 8 and is close to the outer baffle plate 5.

In this embodiment, the device further includes a second sliding groove 203 and a bracket fixing plate 15, the outer side of the long bracket 2 is provided with the second sliding groove 203 along the length direction, the second sliding grooves 203 are arranged in parallel, and the second sliding groove 203 is a T-shaped groove; the support fixing plate 15 is located on the outer side of the long support 2, the long support 2 is clamped into the second sliding groove 203 through a plurality of third special-shaped fixing bolts 16, the third special-shaped fixing bolts 16 can drive the support fixing plate 15 to slide along the second sliding groove 203, and the support fixing plate 15 can be fixedly connected with the longitudinal beam.

The specific working process is as follows:

1. before carrying out the photovoltaic module load test work, the steel twisted wires are connected with the steel twisted wire fixing rods 9 on the long brackets 2 on two sides, the steel twisted wires are in a tensioning state, the steel twisted wire fixing rods 9 are pulled inwards, the first extending parts are clung to the connecting frame 8, and the connecting frame 8 moves inwards together until clung to the second extending parts.

2. And (5) confirming the model of the photovoltaic module to be tested, and confirming the longitudinal length and the required tension of the steel twisted wire.

3. The inner baffle 3 or the outer baffle 5 is manually moved or the torsion screw 7 is directly moved, the distance between the steel twisted wire fixing rods 9 on the same side is adjusted, and then the distance between the steel twisted wires is adjusted, so that the steel twisted wire fixing rods can be fixedly installed with the photovoltaic module to be tested.

4. And fixing the photovoltaic module to be tested on the steel twisted wire.

5. According to the confirmed tension of the steel twisted wire, the torque nut 11 is rotated by adopting the torque wrench, so that the steel twisted wire reaches the tension matched with the photovoltaic module to be tested (the tension of the steel twisted wire can be measured by the torque wrench).

6. And applying load to the photovoltaic module to be tested by using a load device such as a hydraulic press and the like, and determining the load bearing capacity of the photovoltaic module by extracting data such as deformation quantity and the like of the photovoltaic module.

The beneficial effects of the utility model are as follows: the long support is provided with the inner baffle, the outer baffle, the torsion screw and the connecting frame, and for photovoltaic modules of different specifications, the positions of the steel twisted wires connected with the connecting frame can be adjusted by adjusting the positions of the modules, so that the adaptability of the device is improved, and various photovoltaic modules can be adapted in load test; the tension degree of the steel twisted wires can be adjusted through the torsion adjusting device, different photovoltaic modules correspond to different tension degrees, and the adaptability of the device can be further improved by adopting the torsion adjusting device.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 present utility model. In this specification, schematic representations of the above terms are not necessarily directed 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. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. Photovoltaic module load test flexible fixing device, photovoltaic module installs on steel twisted wire, its characterized in that includes:

a short support is arranged on the side of the frame,

2. The flexible fixing device for testing the load of the photovoltaic module according to claim 1, wherein the long support is an aluminum support with the length of 260cm, the width of 8cm and the height of 8cm, the short support is an aluminum support with the length of 160cm, the width of 8cm and the height of 8cm, and the long support is fixedly connected with the short support through screws.

3. The photovoltaic module load testing flexible fixing device according to claim 1, wherein the first chute has a depth of 1cm, a bottom width of 2cm, and a slot width of 0.8cm.

4. The flexible fixing device for testing the load of the photovoltaic module according to claim 1, wherein a third through hole is formed in the top of the connecting frame, a fourth through hole is formed in the bottom of the connecting frame, the inner side end of the torsion screw rod stretches into the connecting frame from the third through hole and then extends to two sides to form a first extension portion, one end of the steel strand fixing rod stretches into the connecting frame from the fourth through hole and then extends to two sides to form a second extension portion, and the other end of the steel strand fixing rod is fixedly connected with the steel strand.

5. The flexible fixing device for testing the load of the photovoltaic module according to claim 1, further comprising an inner fixing nut and an outer fixing nut, wherein the inner fixing nut is arranged on the torsion screw and is positioned between the inner baffle and the connecting frame and is arranged close to the inner baffle, and the outer fixing nut is arranged on the torsion screw and is positioned in the connecting frame and is arranged close to the outer baffle.

6. The flexible fixing device for testing the load of the photovoltaic module according to claim 1, further comprising a second sliding groove and a bracket fixing plate, wherein the second sliding groove is formed in the outer side of the long bracket along the length direction, two second sliding grooves are arranged in parallel, and the second sliding groove is a T-shaped groove; the support fixed plate is located the outside of long support, and it is through a plurality of third dysmorphism gies card income second spout, the third dysmorphism gies can drive the support fixed plate is followed the second spout slides, support fixed plate can with longeron fixed connection.