CN209488498U - A adjustable photovoltaic support for mountain region - Google Patents

Abstract

The utility model discloses an adjustable photovoltaic support for mountains, which comprises a main beam, a mounting frame fixedly connected with the main beam and used for installing photovoltaic components, a column fixed on the mountain, and further comprising a main beam for fixing the main beam A connection mechanism on the upright column, the connection mechanism includes an adjustment piece connected with the upright column and can be arranged obliquely with respect to the upright column, and the main beam is fixed on the adjustment piece. The utility model adopts a small unit structure with few columns, has strong adaptability to complex terrain, can be installed with the slope, the overall effect of the power station is good, the support structure is simple, and the utility model has a large application space. In the utility model, an adjustable structure is arranged in the bracket structure for installing photovoltaic components, and the influence of terrain, bracket manufacturing and foundation construction on bracket installation is comprehensively considered, so that the installation is easy to adjust and the installation efficiency is high.

Description

An adjustable photovoltaic support for mountain

technical field

The utility model belongs to the field of photovoltaic technology, in particular to an adjustable photovoltaic support for mountain areas.

Background technique

Solar energy is inexhaustible, clean, pollution-free and renewable green energy. Using solar power to generate electricity has the advantages of unparalleled cleanliness, high safety, relative breadth and sufficiency of energy, long life and maintenance-free advantages that other conventional energy sources do not have. the most important new energy source.

With the rapid development of photovoltaic industry technology, the combination of high-efficiency bifacial cell modules and flat uniaxial tracking systems can greatly improve the conversion efficiency of photovoltaic systems, which has attracted great attention and has broad market prospects. Due to land control in my country and the development of photovoltaic power plants in the early stage, most photovoltaic systems at this stage choose mountains with complex terrain, and it is difficult to arrange and install flat uniaxial systems on sites with different slopes.

In order to improve the conversion efficiency of the system in complex mountainous terrain, combined with the comprehensive evaluation of existing problems such as construction, the general support structure is preferably fixed and adjustable. Compared with the flat uniaxial structure, the support structure is simpler, and the manufacturing and construction costs and later maintenance costs are relatively high. Low is the better choice.

The existing fixed and adjustable brackets include push-pull rod type, semi-circular arc type, jack type, etc., and there are not many structural forms. The installation structure of the above structural components adopts the support method of back inclined beams and purlins. The back side of the bifacial battery module is seriously blocked, which affects the power generation on the back side. The structure is improved and optimized for the installation of the bifacial battery module.

For the complex terrain, the unit supports arranged in different slopes need to adjust the structural function of the angle of the column and the rotating shaft. At the same time, when the column and the rotating shaft have an angle, and the angle of the components needs to be adjusted in different seasons, the adjustment part here needs to be adjusted in a multi-dimensional direction. The above types of adjustable brackets are difficult to satisfy.

Due to the complex mountainous terrain and its structural foundation construction, the installation process is difficult, and the brackets are required to have the ability to adjust to the site and construction errors to facilitate on-site installation and construction. At the same time, the adjustment and maintenance of the module angle in the later stage of the photovoltaic power station requires a large amount of work, which requires a simple adjustment structure, labor-saving adjustment, convenient and fast, and is difficult to meet in complex terrain.

Utility model content

In order to solve the above problems, the present invention provides an adjustable photovoltaic support for mountainous areas, which is convenient to adjust the inclination angle of photovoltaic modules according to the terrain.

The technical scheme of the utility model is as follows: an adjustable photovoltaic support for mountains, comprising a main beam, a mounting frame fixedly connected to the main beam and used for installing photovoltaic modules, and a column fixed on the mountain, and further comprising a main beam for mounting photovoltaic modules. The main beam is fixed on the connecting mechanism on the upright column, and the connecting mechanism includes an adjusting piece which is connected with the upright column and can be arranged obliquely with respect to the upright column, and the main beam is fixed on the adjusting piece.

When installing the utility model, first install the column on the mountain, and then adjust the inclination angle of the adjustment piece relative to the column according to the terrain of the mountain. Since the main beam is fixed on the adjustment piece, the mounting frame for installing the photovoltaic modules On the beam, the inclination angle of the photovoltaic module can be indirectly adjusted by adjusting the inclination angle of the adjusting member, so that the inclination angle of the photovoltaic module is adapted to the mountainous terrain.

There are many ways to adjust the inclination angle of the adjusting member in the present invention, which can also be realized by adopting various existing methods. Preferably, the adjusting member is provided with an upper mounting hole connected with the upright column and is located below the upper mounting hole. The lower mounting holes, the upper mounting holes and/or the lower mounting holes are waist-shaped holes. In the utility model, connecting holes corresponding to the upper mounting holes and the lower mounting holes are respectively arranged at the corresponding positions of the uprights, and bolts are inserted into the connecting holes to lock and fix the adjusting piece. When it is necessary to adjust the inclination angle of the adjusting piece, tilt the adjusting piece to the desired position, and the position of the waist-shaped hole also moves at this time, and then continue to insert the bolt from the connecting hole to lock it.

As a further preference, the upper mounting hole is a round hole, and the lower mounting hole is a waist-shaped hole. When adjusting the inclination angle of the adjusting piece, the adjusting piece takes the circular hole as the center and rotates around the circular hole to the desired position.

Preferably, the connecting mechanism further includes:

The axle seat fixed on the adjusting part;

The shaft sleeve is sleeved on the outer wall of the main beam and is rotatably matched with the shaft seat.

Preferably, the shaft seat includes a connecting portion connected to the adjusting member and an annular mounting portion, and the outer wall of the shaft sleeve is in clearance fit with the inner wall of the annular mounting portion. The shaft seat can be processed by aluminum alloy extruded profiles, and the clearance fit enables the shaft sleeve to rotate relative to the shaft seat, and to ensure flexible rotation. The strength of the connection part of the shaft seat must meet the design requirements.

Preferably, the adjusting member can be processed by a flat plate or a C-shaped cross section. The distance between the openings of the two wings of the C-shaped section adjusting member is consistent with the width of the connecting portion of the axle seat, and the interference portion of the column height adjusting member is cut off.

In the utility model, a limiter is arranged on the main beam to prevent the main beam from moving downward due to the inclination of the slope.

Preferably, an inclination adjustment mechanism for driving the main beam to rotate to adjust the inclination angle of the photovoltaic module is also included.

Preferably, the inclination adjustment mechanism includes an adjustment rod and a drive arm connected to the main beam, one end of the adjustment rod is connected with the drive arm, and the other end is hinged with the multi-directional adjustable assembly hinged on the upright column.

Preferably, the inclination adjustment mechanism further includes a multi-directional adjustable assembly, the multi-directional adjustable assembly includes a U-shaped rotating member and an intermediate rotating member, and one side of the U-shaped bottom of the U-shaped rotating member is hinged with the upright column Can be rotated, the intermediate rotating member includes a U-shaped hinge connection structure with the U-shaped rotating member, and an inner circular cavity which is sleeved on the outer wall of the adjustment rod and cooperates with the outer wall of the adjustment rod. The adjustment rod can move, and the opening part after the angle is adjusted in place The hoop is fastened. The limit phase structure is set on the adjustment rod to ensure safety during adjustment. The U-shaped rotating part in the multi-directional adjusting part of the utility model is made of aluminum profiles, the adjusting rod is a round tube, and the head is flattened. During the angle adjustment process, the adjusting rod can be rotated to make the end flattened and driven. The arm faces overlap; move in the connecting part of the circular cavity, adjust the length of the adjusting rod to make the photovoltaic module reach the required angle, and the adjustment can be completed by bolt locking to complete the entire angle adjustment. The adjusting rod in the utility model can be telescopically adjusted at the annular connecting portion, and the multi-directional adjustable assembly in the utility model can be rotated in three directions, which can meet different terrain and different inclination angles, better adapt to the terrain, and facilitate the later angle. Adjustment to make the operation simple and convenient.

Preferably, the upright column includes a fixed column and a telescopic rod that can be telescopically adjusted relative to the fixed column, the telescopic rod is provided with an upper connecting hole corresponding to the upper installation hole at the position corresponding to the upper installation hole, and the telescopic rod is connected to the upper mounting hole. A lower connection hole matched with the lower installation hole is provided at the corresponding position of the lower installation hole. The height of the central column of the utility model can be adjusted according to the terrain conditions, and the telescopic rod can be expanded and retracted in various ways. When the height needs to be adjusted, match the different mounting holes on the fixing column with the through holes, and then insert the bolts to lock them.

Preferably, there are multiple mounting brackets, and the multiple mounting brackets are arranged along the axial direction of the main beam. Mounting racks can be arranged on the main beam according to the position of the photovoltaic modules.

There are various structural forms of the mounting frame in the utility model. Preferably, the mounting frame includes a main connecting piece connected with the main beam and two purlins respectively arranged on opposite sides of the main connecting piece. In the utility model, the main connecting piece is located under the main beam, and is fixedly connected by a hoop, and the upper part of the main connecting piece is provided with a positioning limit structure of the main beam in the middle, which is convenient for the installation frame to be in place. The purlins are connected with the upper end face of the main connecting piece, and the purlins and the upper end face of the main connecting piece can be connected by bolts, and a certain space distance is maintained between the purlins on both sides and the main beam. The hoop has enough space for installation.

Preferably, the number of the uprights is two. The adoption of two uprights in the utility model can ensure that the upright mounting seat and the main beam are concentric, avoiding the difficulty of height adjustment of multiple uprights required to ensure concentricity on the inclined plane.

In the utility model, the bottom surface of the photovoltaic module is supported on the purlin, and limit blocks are arranged on both sides of the purlin. The limit block is flush with the bottom surface of the component frame and the top of the purlin, so as to ensure that the component frame is in full contact at the support point, and at the same time, the upper edge of the limit block is clamped. On the inside of the component frame, the component is limited to improve the overall stability of the parallel purlin structure on the main beam. The side of the limit block is fitted with the contact side of the purlin, the section is matched with the side of the purlin formed, and the limit block is made of aluminum profiles. Photovoltaic modules are installed with pressure blocks. Considering that the bolt head is higher than the surface of the module to block the battery, the section and length of the pressure block are determined according to the local negative wind pressure or after the mechanical load test of the module.

Compared with the prior art, the beneficial effects of the present utility model are embodied in:

(1) The utility model adopts a small unit structure with few columns, which has strong adaptability to complex terrain, and can be installed according to the slope. The overall effect of the power station is good, the support structure is simple, and there is a large application space.

(2) In this utility model, an adjustable structure is set in the bracket structure for installing photovoltaic modules, taking into account the influence of terrain, bracket manufacturing and foundation construction on bracket installation, making installation easy to adjust and high installation efficiency.

(3) In the utility model, the photovoltaic module mounting frame adopts a combined splicing structure, and the height of the purlins installed on the top is used to make the center of mass of the platform where the photovoltaic module is located close to the center of the rotating shaft, so that the torque is reduced and the rotation is lighter, and the use of multi-dimensional adjustable adjustment parts in the angle adjustment can make Post adjustments are easier and faster.

(4) The utility model utilizes the adjustable angle bracket system to combine with the double-sided battery assembly, the power generation capacity of the double-sided battery is greatly improved, and the overall power generation efficiency of the power station is higher.

(5) In the main structure of the utility model, the columns and main beams that use a large amount of steel have large section steel sections. The utility model selects high-strength steel materials, which significantly reduces the amount of steel used in the system and greatly reduces the cost of the support.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model.

FIG. 2 is a schematic view of the structure in the top view direction of the present invention.

Fig. 3 is the structural schematic diagram when the adjusting member is arranged vertically in the utility model,

FIG. 4 is a schematic structural diagram of the adjusting member in the utility model when it is inclinedly arranged.

FIG. 5 is a schematic structural diagram of the inclination adjustment mechanism in the utility model when it is not adjusted.

FIG. 6 is a schematic structural diagram of the inclination adjustment mechanism in FIG. 5 after adjustment.

FIG. 7 is a schematic structural diagram of the middle shaft sleeve of the present invention.

FIG. 8 is a schematic view of the structure of the center axle seat of the present invention.

FIG. 9 is a schematic structural diagram of the mounting frame in the present invention.

10 is a schematic structural diagram of a multi-directional adjustable assembly in the present invention.

Figure 11 is a schematic structural diagram of the multi-directional adjustable assembly and the adjustment rod in the utility model.

FIG. 12 is a schematic structural diagram of the cooperation between the purlin and the photovoltaic module in the utility model.

Detailed ways

As shown in FIG. 1 to FIG. 4 , the present invention includes a main beam 2 , a mounting frame 4 fixedly connected to the main beam 2 and used for installing the photovoltaic module 1 , and a column 3 fixed on the mountain, and also includes a main beam 2. A connection mechanism fixed on the upright column 3, the connection mechanism includes an adjustment member 5 connected with the upright column 3 and can be arranged obliquely relative to the upright column 3, and the main beam 2 is fixed on the adjustment member 5.

When installing the utility model, firstly, the column 3 is installed on the mountain, and then according to the terrain of the mountain, the inclination angle of the adjustment member 5 relative to the column 3 can be adjusted. Since the main beam 2 is fixed on the adjustment member 5, the photovoltaic module 1 is installed. The mounting bracket 4 is fixed on the main beam 2, that is, the inclination angle of the assembly platform can be indirectly adjusted by adjusting the inclination angle of the adjusting member 5, so that the inclination angle of the assembly platform can be adapted to the mountain terrain.

There are many ways to adjust the inclination angle of the adjusting member 5 in the present invention, which can also be realized by adopting various existing methods. As shown in FIG. 3 and FIG. The connected upper mounting holes 51 and the lower mounting holes 52 located below the upper mounting holes 51 are waist-shaped holes. In the present invention, connecting holes corresponding to the upper mounting hole 51 and the lower mounting hole 52 are respectively arranged at the corresponding positions of the upright column 3, and the adjusting member 5 can be locked and fixed by inserting bolts in the connecting holes. When the inclination angle of the adjusting member 5 needs to be adjusted, the adjusting member 5 is inclined to the desired position, and the position of the waist-shaped hole also moves at this time, and then continue to insert the bolt from the connecting hole to lock it. In this embodiment, the upper mounting hole 51 is a round hole, and the lower mounting hole 52 is a waist-shaped hole. When adjusting the inclination angle of the adjusting member 5, the adjusting member 5 takes the circular hole as the center and rotates around the circular hole to the desired position.

As shown in Figure 7 and Figure 8, the connection mechanism in this embodiment further includes:

The axle seat 53 fixed on the adjusting member 5;

The shaft sleeve 54 is sleeved on the outer wall of the main beam 2 and is rotatably matched with the shaft seat 53 .

Preferably, the shaft seat 53 includes a connecting portion 531 connected to the adjusting member 5 and an annular mounting portion 532 , and the outer wall of the shaft sleeve 54 is in clearance fit with the inner wall of the annular mounting portion. The shaft seat 53 can be made of aluminum alloy extruded profiles, and the clearance fit enables the shaft sleeve 54 to rotate relative to the shaft seat 53 and ensure flexible rotation. The structural strength of the connecting part of the shaft seat 53 must meet the requirements.

In this embodiment, the adjusting member 5 can be processed by a flat plate or a C-shaped cross section. The distance between the openings of the two wings of the C-shaped section adjusting member is consistent with the width of the connecting portion of the axle seat 53, and the interference part with the column height adjusting member 32 is cut off, and the upper mounting hole 51 and the lower mounting hole 52 are provided on the side of the adjusting member and the upper hole position of the column height adjusting member 32 match.

As shown in FIG. 1 , in the present invention, a limiting member 21 is arranged on the main beam 2 to prevent the main beam 2 from moving downward due to the inclination of the slope. The present invention also includes an inclination adjustment mechanism 6 for driving the main beam 2 to rotate to adjust the inclination angle of the photovoltaic assembly 1 .

As shown in FIG. 5 and FIG. 6 , in this embodiment, the inclination adjustment mechanism 6 includes an adjustment rod 62 and a drive arm 61 connected to the main beam 2 . connected, and the other end is inserted into the inner hole 632 in the multi-directional adjustable assembly 63 of the hinged column 3 . In the utility model, the driving arm can be arranged in the form of a hoop structure. The multi-directional adjustable assembly 63 includes a U-shaped rotating member 631 and an intermediate rotating member 632. The U-shaped bottom side of the U-shaped rotating member 631 is hingedly connected to the column 3. The U-shaped connecting part of the side wall hinge structure and the inner circular cavity are sleeved on the outer wall of the adjustment rod 62 and cooperate with the outer wall of the adjustment rod, as shown in FIG. 10 and FIG. 11 . The U-shaped rotating part in the multi-directional adjusting part 5 of the utility model is made of aluminum profiles. The adjusting rod 62 is made of a round tube, and the head is flattened. During the angle adjustment process, the adjusting rod 62 can be rotated to make the end flattened. The surface coincides with the surface of the driving arm 61; move along the annular connecting part, adjust the length of the adjustment rod 62 to make the photovoltaic module 1 reach the required angle, and the adjustment can be completed by bolt locking to complete the entire angle adjustment. In the present invention, the adjusting rod 62 can be telescopically adjusted at the connecting portion of the inner cavity, and the multi-directional adjustable assembly 63 in the present invention can be rotated in three directions, which can meet different terrain and different inclination angles, and better adapt to the terrain. , which is convenient for later angle adjustment, making the operation simple and convenient.

As shown in FIGS. 3 and 4 , in this embodiment, the upright column 3 includes a fixed column 31 and a telescopic rod 32 that can be telescopically adjusted relative to the fixed column. The corresponding upper connection hole is provided with a lower connection hole matched with the lower installation hole 52 at the position corresponding to the telescopic rod 32 and the lower installation hole 52 . The height of the center column 3 of the present invention can be adjusted according to the terrain, and the telescopic rod 32 can be extended in various ways. For example, a plurality of installation holes can be provided on the fixed column, and through holes matched with the installation holes can be provided on the telescopic rod. , when you need to adjust the height, match the different mounting holes on the fixing column with the through holes, and then insert the bolts to lock them.

In the present invention, there are multiple mounting frames 4 , and the multiple mounting frames 4 are arranged along the axial direction of the main beam 2 . The mounting frame 4 can be arranged on the main beam 2 according to the position of the photovoltaic module 1 .

There are various structural forms of the mounting frame 4 in the present invention. As shown in FIG. 9 , in this embodiment, the mounting frame 4 includes a main connecting piece 41 connected with the main beam 2 , and two are respectively arranged on opposite sides of the main connecting piece. of purlins 42. In the present invention, the main connecting piece 41 is located below the main beam 2, and is fixedly connected by a hoop 44, and a positioning and limiting structure 43 with the main beam is arranged in the middle of the upper surface, which is convenient for the installation frame to be in place. The purlin 42 and the upper end surface of the main connecting piece 41 can be connected by bolts, and a certain space distance is maintained between the purlins 42 on both sides and the main beam 2. One is to avoid blocking the upper surface of the photovoltaic module 1, and the other is to make the hoop 44 for fixing the purlin 42 sufficient. installation space

As shown in FIG. 1 , in this embodiment, there are two upright columns 3 . The use of two uprights 3 in the present invention can ensure that the mounting seat of the uprights 3 is concentric with the main beam 2, avoiding the difficulty of height adjustment of multiple uprights 3 required to ensure concentricity on the inclined plane.

As shown in FIG. 12 , the bottom surface of the photovoltaic module 1 in the present invention is supported on the purlin 42, and the two sides of the purlin 42 are provided with limit blocks 421. The limit blocks 421 are flush with the bottom surface of the component frame 11 and the top of the purlin 42 to ensure the component frame. 11 is in full contact at this support point, and at the same time, the upper edge of the limiting block 421 is stuck on the inside of the frame of the component to limit the component and improve the overall stability of the parallel purlin structure on the main beam 2 . The side of the limit block 421 is in contact with the contact side of the purlin 42, and the cross section is matched with the side of the purlin. , the section and length of the briquetting block are determined according to the local negative wind pressure or after the mechanical load test of the component.

Claims (10)

1. An adjustable photovoltaic support for mountains, comprising a main beam, a mounting frame that is fixedly connected to the main beam and used to install photovoltaic modules, and a column fixed on the mountain, characterized in that it also includes a main beam for attaching the main beam. The connection mechanism is fixed on the upright column, the connection mechanism includes an adjustment piece which is connected with the upright column and can be arranged obliquely with respect to the upright column, and the main beam is fixed on the adjustment piece. 2 . The adjustable photovoltaic support for mountain areas according to claim 1 , wherein an upper mounting hole connected to the column and a lower mounting hole located below the upper mounting hole are formed on the adjusting member, and the The upper mounting holes and/or the lower mounting holes are waist holes. 3. The adjustable photovoltaic support for mountains as claimed in claim 2, wherein the connecting mechanism further comprises: The axle seat fixed on the adjusting part; The shaft sleeve is sleeved on the outer wall of the main beam and is rotatably matched with the shaft seat. 4 . The adjustable photovoltaic support for mountain areas according to claim 3 , further comprising an inclination adjustment mechanism for driving the main beam to rotate to adjust the inclination angle of the photovoltaic modules. 5 . 5 . The adjustable photovoltaic support for mountain areas according to claim 4 , wherein the inclination adjustment mechanism comprises an adjustment rod, a driving arm connected with the main beam, and a multi-directional adjustment rod for adjusting the adjustment rod in multiple directions. 6 . For the directional adjustable assembly, one end of the adjustment rod is connected with the drive arm, and the other end is hinged with the multi-directional adjustable assembly hinged on the upright column. 6 . The adjustable photovoltaic support for mountain areas according to claim 5 , wherein the multi-directional adjustable assembly comprises a U-shaped rotating member and an intermediate rotating member, and the U-shaped bottom of the U-shaped rotating member has a U-shaped bottom. 7 . One side is hingedly connected with the upright column, and the intermediate rotating member includes a connecting portion hinged with the U-shaped rotating member and a circular inner cavity portion sleeved on the outer wall of the adjustment rod, and the circular inner cavity portion is matched with the outer wall of the adjustment rod, The opening part is fastened with a hoop. 7 . The adjustable photovoltaic support for mountains according to claim 2 , wherein the upright column comprises a fixed column and a telescopic rod that can be telescopically adjusted relative to the fixed column, and the telescopic rod corresponds to the position of the upper installation hole. 8 . There is an upper connection hole matched with the upper installation hole, and the telescopic rod is provided with a lower connection hole matched with the lower installation hole at the position corresponding to the lower installation hole. 8. The adjustable photovoltaic support for mountain areas according to any one of claims 1 to 7, characterized in that, there are a plurality of the mounting brackets, and the plurality of mounting brackets are arranged along the axial direction of the main beam. 9 . The adjustable photovoltaic support for mountain areas according to claim 8 , wherein the mounting frame comprises a main connecting piece connected with the main beam, and two purlins respectively arranged on opposite sides of the main connecting piece, 10 . The main connecting piece is installed at the lower part of the main beam, and the positioning and limiting structure of the main beam is arranged in the middle. The height of the purlins on both sides of the installation frame makes the center of mass of the platform coincide or nearly coincide with the center of mass of the rotating main beam, thereby reducing the rotational torque. 10 . The adjustable photovoltaic support for mountain areas according to claim 9 , wherein limit blocks are provided on both sides of the purlin, and the upper ends of the limit blocks are clamped inside the frame of the photovoltaic modules to limit the photovoltaic modules. 11 .