CN216132830U

CN216132830U - Photovoltaic module static load test support

Info

Publication number: CN216132830U
Application number: CN202121946210.1U
Authority: CN
Inventors: 韩华华; 李学健; 王永泽; 郭一; 田思; 陈志军; 李志玲; 史金超; 吴萌萌
Original assignee: Yingli Energy China Co Ltd
Current assignee: Yingli Energy China Co Ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-03-25
Anticipated expiration: 2031-08-18

Abstract

The utility model provides a photovoltaic module static load test support, which belongs to the technical field of photovoltaic module test and comprises a base, two groups of upright post supports and an overturning frame, wherein a slide rail is arranged on the base; the two groups of upright post supports are arranged on the slide rail in a sliding manner, and the distance and the positioning of the two groups of upright post supports on the slide rail are controlled by a first driving mechanism; the turnover frame is used for supporting the photovoltaic module, the turnover frame is supported on the two sets of stand columns, and the turnover frame drives the photovoltaic module to achieve 180-degree turnover freedom through a second driving mechanism arranged on the outer side. According to the photovoltaic module static load test support provided by the utility model, the overturning frame is driven to overturn through the second driving mechanism, the overturning space is provided for the overturning frame through the movement of the supporting upright column, the structure is simple, the operation is time-saving and labor-saving, photovoltaic modules with different sizes can be supported through the support of the overturning frame, and the test size range of the photovoltaic modules is improved.

Description

Photovoltaic module static load test support

Technical Field

The utility model belongs to the technical field of photovoltaic module testing, and particularly relates to a photovoltaic module static load testing support.

Background

The photovoltaic module can receive static pressure's such as wind pressure, snow pressure influence at the in-process of outdoor work, and the ability that the subassembly bore this kind of static mechanical strength becomes the important factor of verifying subassembly security performance.

The static mechanical load test of a photovoltaic module is a very important test in international standards on verifying the ability of the module to withstand static loads.

The current static mechanical load test method comprises the following steps:

a sand bag method: the method comprises the steps of uniformly placing the sandbags on the surface of the component for 1 hour after calculating the quality of the sandbags, then manually overturning the component, placing the sandbags for one hour again, and repeating three cycles. The sandbag method requires a large amount of manual work, the operation process is very complicated, the efficiency is low, and the sandbag metering is very complicated.

The cylinder method comprises the following steps: according to the method, air cylinders are uniformly distributed on the surface of a component, the PLC calculates the pressure to control the air cylinders to push suckers to apply pressure to the surface of the component for 1 hour, then the suckers are used for vacuumizing, the suction force replaces pressure simulation to apply pressure to the back of the component for 1 hour, and three cycles are repeated. By adopting the air cylinder method, the contact position of the surface of the component and the sucker is pressed, the non-contact position of the surface of the component and the sucker is not pressed, the pressure is obviously uneven, and the back pressing adopts suction force to replace the pressure, so that the back pressing can not be really simulated.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a photovoltaic module static load testing support, and aims to solve the problem that a sandbag is time-consuming and labor-consuming to overturn in a sandbag method testing process.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a photovoltaic module static load test support is provided, includes: the device comprises a base, two groups of upright post supports and a turnover frame, wherein a slide rail is arranged on the base; two groups of upright post supports are arranged on the slide rail in a sliding manner, and the distance and the positioning of the two groups of upright post supports on the slide rail are controlled by a first driving mechanism; the turnover frame is used for supporting the photovoltaic module, the turnover frame is supported on the two groups of upright posts, and the turnover frame drives the photovoltaic module to realize 180-degree turnover freedom through a second driving mechanism arranged on the outer side.

In a possible implementation manner, the upright supports include a cross beam perpendicular to the slide rail and a plurality of uprights arranged on the cross beam, and a sliding groove in sliding fit with the slide rail is arranged at the bottom of the cross beam.

In a possible implementation manner, the column support further includes a plurality of support blocks, the support blocks are correspondingly disposed on the columns one to one, and the support blocks are located on adjacent inner sides of the two sets of column supports, and the support blocks constitute the support of the roll-over frame.

In a possible implementation manner, the second driving mechanism comprises a support frame, a driving motor arranged on the support frame and a plug-in unit connected with the driving motor, and a clamping groove connected with the plug-in unit in a clamped manner is formed in the turnover frame.

In a possible implementation manner, a telescopic rod is arranged between the driving motor and the plug-in unit so that the plug-in unit can be inserted into or withdrawn from the clamping groove.

In a possible implementation manner, the second driving mechanism is respectively arranged on two sides of the turnover frame.

In a possible implementation manner, the first driving mechanism is an electric push rod or a pneumatic push rod, and the two sets of column supports are respectively provided with the first driving mechanism.

In one possible implementation, the column support is made of square steel.

In one possible implementation, the base is made of square steel.

Compared with the prior art, the photovoltaic module static load test bracket provided by the utility model has the beneficial effects that: the distance between the two groups of supporting upright columns can be adjusted through the first driving mechanism, so that a turning space is provided for the turning frame; the photovoltaic module supports on the upset frame, when needing the upset, second actuating mechanism and upset frame connection, and first actuating mechanism drives the support post reverse movement and keeps away from the upset frame, and after the upset frame drove the photovoltaic module upset, first actuating mechanism drove the support post and moves the recovery normal position in opposite directions, supports the upset frame, carries out photovoltaic module's static load test again.

The test support provided by the embodiment drives the overturning frame to overturn through the second driving mechanism, and provides an overturning space for the overturning frame through the movement of the supporting upright column, so that the test support is simple in structure and time-saving and labor-saving in operation; and the photovoltaic modules with different sizes can be supported through the support of the turnover frame, so that the test size range of the photovoltaic modules is enlarged.

Drawings

Fig. 1 is a schematic structural diagram of a photovoltaic module static load test bracket provided in an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a photovoltaic module to be tested installed on a turn-over frame provided in the present embodiment;

description of reference numerals:

1. turning over the frame; 2. a card slot; 3. a plug-in; 4. a drive motor; 5. a column; 6. a base; 7. a cross beam; 8. a slide rail; 9. a support block; 10. a support frame; 11. a photovoltaic module; 12. a cross bar.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1, a static load testing stand for a photovoltaic module according to the present invention will now be described. The photovoltaic module static load test support comprises a base 6, two groups of upright post supports and a turnover frame 1, wherein a slide rail 8 is arranged on the base 6; the two groups of upright post supports are arranged on the slide rail 8 in a sliding manner, and the distance and the positioning of the two groups of upright post supports on the slide rail 8 are controlled by a first driving mechanism; the turnover frame 1 is used for supporting the photovoltaic module, the turnover frame 1 is supported on the two sets of stand columns, and the turnover frame 1 drives the photovoltaic module to realize 180-degree turnover freedom degree through a second driving mechanism arranged on the outer side.

Compared with the prior art, the photovoltaic module static load test bracket provided by the embodiment has the advantages that the distance between the two groups of supporting stand columns can be adjusted through the first driving mechanism; during testing, the photovoltaic module is supported on the turnover frame 1, sand bag method testing is conducted with the front face upward, when the back face of the photovoltaic module needs to be tested, the first driving mechanism drives the supporting stand column to move reversely to be away from the turnover frame 1, the second driving mechanism drives the turnover frame 1 and the photovoltaic module to turn over, the first driving mechanism drives the supporting stand column to move oppositely to return to the original position, the turnover frame 1 is supported, and then static load testing of the back face of the photovoltaic module is conducted.

The test support provided by the embodiment drives the overturning frame 1 to overturn through the second driving mechanism, and an overturning space is provided for the overturning frame through the movement of the supporting upright column, so that the test support is simple in structure and time-saving and labor-saving in operation; and the photovoltaic modules with different sizes can be supported through the support of the turnover frame, so that the test size range of the photovoltaic modules is enlarged.

Referring to fig. 2, because there is large-scale subassembly length at present and is close to 2.4 meters, and the width connects 1.3 meters, when photovoltaic module 11 installed, the minor face that is on a parallel with photovoltaic module is equipped with horizontal pole 12, and horizontal pole 12 is fixed on upset frame 1, and the size is greater than the photovoltaic module size when upset frame 1 preparation, can adapt to the test demand of the photovoltaic module of different sizes, has improved the photovoltaic module size scope of the commonality and the test of test support, satisfies the test of the photovoltaic module of size.

In some embodiments, the above-described feature post support may be configured as shown in FIG. 1. Referring to fig. 1, the upright post support comprises a cross beam 7 perpendicular to the slide rail 8 and a plurality of upright posts 5 arranged on the cross beam 7, and a sliding groove in sliding fit with the slide rail 8 is arranged at the bottom of the cross beam 7. Each group of upright post supports is provided with a plurality of upright posts 5, as shown in figure 1, four upright posts are arranged, and the total number of the upright posts is eight, so that the supporting force of the photovoltaic component is improved.

Referring to fig. 1, the column support further includes a plurality of support blocks 9, the support blocks 9 are correspondingly disposed on the columns 5, and the support blocks 9 are located at adjacent inner sides of the two sets of column supports, and the support blocks 9 form a support for the roll-over frame 1. The upper surface of the supporting block 9 is lower than the top of the upright column, and supports and limits the turnover frame 1. The supporting shoe on the stand is used for supporting the upset frame, and the size of upset frame is fixed, and the size of upset frame can design big enough, so be fit for installing the subassembly of various sizes, and the subassembly is installed on the horizontal pole, and the horizontal pole is fixed on the upset frame. The distance between the stand is relevant with the length of supporting shoe at the in-process of photovoltaic module upset, and the both sides stand outwards slides the distance of a supporting shoe simultaneously when the subassembly overturns to convenient upset, after the upset is accomplished, resume the original position again.

Optionally, referring to fig. 1, the second driving mechanism includes a supporting frame 10, a driving motor 4 disposed on the supporting frame 10, and a plug-in unit 3 connected to a main shaft of the driving motor 4, and a clamping groove 2 clamped with the plug-in unit 3 is disposed on the turnover frame 1. In order to realize the turnover of the turnover frame 1 after the plug-in unit 3 is clamped with the clamping groove 2, in this embodiment, the cross section of the plug-in unit 3 is non-circular, for example, the plug-in unit 3 is rectangular, elliptical, polygonal and the like, so that the plug-in unit 3 and the turnover frame 1 can be prevented from rotating, an additional fixing structure is not required, and the plug-in unit 3 and the clamping groove 2 can be plugged.

As a modified example of the second driving mechanism, a telescopic rod is provided between the driving motor 4 and the card 3 to insert or withdraw the card 3 into or from the card slot 2. When photovoltaic module carries out static load test, upset frame 1 supports on the supporting shoe of stand, and photovoltaic module supports on the horizontal pole of upset frame 1, and in order to avoid the influence of 3 atresss of plug-in components when exerting pressure, through the flexible of telescopic link, make plug-in components 3 break away from upset frame 1, when needs upset, plug-in components 3 through stretching out of telescopic link with 2 joints of draw-in groove of upset frame 1. Wherein, the telescopic link is connected with driving motor's main shaft, and the telescopic link can be for manual or electric operation, choose for use prior art can, rotatory along with driving motor's main shaft.

Fig. 1 shows another embodiment of the test rack provided in this embodiment, and two sides of the turnover frame 1 are respectively provided with a second driving mechanism. A stable and reliable turning of the turning frame 1 is achieved.

Optionally, the first driving mechanism in this embodiment is an electric push rod or a pneumatic push rod, and the two sets of pillar supports are respectively provided with the first driving mechanism (not shown in the figure). Through adopting electronic control slip table, electric putter, pneumatic push rod, combining driving motor 4, realize the automatic control of photovoltaic module upset.

As an alternative structure of the pillar support in this embodiment, please refer to fig. 1, the pillar support is made of square steel. The manufacturing is simple and convenient, and the supporting and the fixing are convenient. The square steel can be a square steel pipe, and the upright post support can also be made of other section steels such as I-steel and channel steel.

As an alternative structure of the base 6 in the present embodiment, please refer to fig. 1, the base 6 is made of square steel. The square steel can be a square steel pipe, and the upright post support can also be made of other section steels such as I-steel and channel steel.

The test support that this embodiment provided, upset frame 1 can rotate, and photovoltaic module is the positive pressurized back, can make photovoltaic module back up through upset frame 1, and photovoltaic module's the back can the pressurized, combines the sand bag method to exert pressure to photovoltaic module, carries out static load test, and the test is simple and convenient.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a photovoltaic module static load test support which characterized in that includes:

the device comprises a base (6), wherein a slide rail (8) is arranged on the base (6);

the two groups of upright post supports are arranged on the slide rail (8) in a sliding manner, and the distance and the positioning of the two groups of upright post supports on the slide rail (8) are controlled by a first driving mechanism; and

the turnover framework (1) is used for supporting the photovoltaic module, the turnover framework (1) is supported on the two groups of upright posts, and the turnover framework (1) drives the photovoltaic module to realize the degree of freedom of 180-degree turnover through a second driving mechanism arranged on the outer side.

2. The photovoltaic module static load test bracket of claim 1, characterized in that the column support comprises a cross beam (7) perpendicular to the slide rail (8) and a plurality of columns (5) arranged on the cross beam (7), and the bottom of the cross beam (7) is provided with a sliding groove in sliding fit with the slide rail (8).

3. The photovoltaic module static load test bracket of claim 2, characterized in that the column supports further comprise a plurality of support blocks (9), the support blocks (9) are arranged on the columns (5) in a one-to-one correspondence, and the support blocks (9) are located at the inner sides of two adjacent sets of column supports, and the support blocks (9) constitute the supports of the turn-over frame (1).

4. The photovoltaic module static load test bracket of claim 1, characterized in that the second driving mechanism comprises a support frame (10), a driving motor (4) arranged on the support frame (10), and a plug-in unit (3) connected with the driving motor (4), and a clamping groove (2) clamped with the plug-in unit (3) is arranged on the turnover frame (1).

5. The photovoltaic module static load test bracket of claim 4, characterized in that a telescopic rod is arranged between the driving motor (4) and the plug-in unit (3) to enable the plug-in unit (3) to be inserted into or withdrawn from the slot (2) and a second driving machine.

6. The photovoltaic module static load test bracket of claim 4, characterized in that the second driving mechanism is respectively arranged on two sides of the turnover frame (1).

7. The photovoltaic module static load test bracket of claim 1, wherein the first driving mechanism is an electric push rod or a pneumatic push rod, and the first driving mechanism is respectively arranged on the two sets of upright supports.

8. The photovoltaic module static load test rack of claim 1, wherein the column support is made of square steel.

9. The photovoltaic module static load test rack according to claim 1, characterized in that the base (6) is made of square steel.