DE202008011670U1 - Carrier devices for devices for using solar energy - Google Patents

Abstract

Carrier device for devices for using solar energy comprising:
at least two triangular shaped supports (11a, 11b) on which the devices for using solar energy can be attached at an inclination angle α to the horizontal,
wherein the inclination angle α is at least 10 ° and at most 16 °, and
wherein each of the triangular-shaped supports (11a, 11b) has two supports (25a, 25b) by means of which the support device is fixable and which is arranged on an underside of the triangular support (11a, 11b) near two corners of the triangular support (11a, 11b) are.

Description

The The present invention relates to carrier devices for devices for the use of solar energy, in particular carrier devices for photovoltaic modules or solar panels for placement on a flat roof.

Known are carrier systems for photovoltaic modules or solar panels for mounting on pitched roofs. in this connection is usually the predetermined roof pitch for aligning the corresponding modules exploited, d. H. the modules become flat on a sloped roof mounted and the inclination of the modules essentially corresponds to the inclination of the roof.

For orders of photovoltaic modules or solar panels on a flat surface Underground are usually individual solutions used, which are specially adapted to the respective application become. To increase the energy yield, the modules are sometimes movably mounted so that they are on the current position can be aligned with the sun.

Around sufficient stability of the carrier systems with the mounted To ensure modules is usually a firm connection with the underground, z. B. the flat roof, required. Especially with large flat roofs, such as for example, flat roofs of industrial and warehouses, is the attachment of the modules or Storage systems often difficult because flat roofs usually have larger weight loads only bear in the places where the flat roof supported or supported becomes.

Consequently are known carrier systems for arranging photovoltaic modules or solar panels level ground, especially on flat roofs, often very expensive and thus their use is often not from an economic point of view meaningful.

Of the The invention is therefore based on the object, a carrier device for devices to provide for the use of solar energy, on the one hand economical is and on the other hand it allows in a simple way devices for the use of solar energy a flat surface, in particular a flat roof to arrange.

These and other objects according to the invention by the carrier devices according to independent claims 1 and 18 solved.

Further advantageous features of the invention are defined in the dependent subclaims.

According to one Aspect of the invention comprises a carrier device for devices to use solar energy at least two triangular shaped carriers, on which the devices for the use of solar energy in one Inclination angle α to Horizontally attachable, wherein the inclination angle α at least 10 ° and at the most 16 °, and each of the triangular Two carrier Having support, by means of which the carrier device is fixable and which at an underside of the triangular support near two corners of triangular carrier are arranged.

advantageously, is the inclination angle α at least 12 ° and at the most 14 °; especially advantageous is an inclination angle α of approximately 14 °.

Conveniently, is on the at least two triangular supports a variety of cross braces arranged, which in a by the inclination angle α to the horizontal lying inclined plane and on which the devices for use are mountable by solar energy.

advantageously, is the carrier device set up for the devices for using solar energy, in particular photovoltaic modules or Solar panels to arrange on a flat roof.

advantageously, show the triangular carrier an interior angle of about 12 ° to 14 ° up.

advantageously, show the triangular carrier another interior angle of about 76 ° to 78 °.

advantageously, is the triangular support essentially at right angles.

Advantageous has the carrier device a windscreen, which at the triangular supports in The way is fixed, that the windguard an inclination angle to the horizontal of about 76 ° to Includes 78 ° and respectively on one side of the triangular carrier is applied.

Conveniently, is the windshield as a trapezoidal sheet or particularly preferred designed as a steel trapezoidal sheet.

For stability and weight transfer to the two supports are carriers particularly suitable, which is essentially a right-angled triangle are formed with the above-mentioned inner angles and at the less inclined side the devices for the use of solar energy are attached by means of the plurality of cross braces and on whose stronger inclined side of the windshield is attached.

advantageously, are the at least two triangular supports designed as trusses, for stability the carrier to increase and the one for that to minimize required weight gain of the wearer.

Conveniently, are the at least two triangular supports made of metal or a metal alloy manufactured.

Especially Preferably, the at least two triangular supports are made of aluminum, because aluminum has good strength and a comparatively small amount Has density.

In a preferred embodiment has the carrier device At least two trapezoidal sheets, on which the triangular support on their each two supports are attached.

Conveniently, are arranged on the at least two trapezoidal sheets additional loads.

Consequently is this embodiment the carrier device advantageous for that set up, on a substantially flat surface, in particular a Flat roof, to be arranged without further fasteners: The carrier device is at its support points or supports fixed to the trapezoidal sheets connected, which due to their large contact surface and the additional attached weights a good stability for the support device guarantee.

Of Further, the load of the modules and the carrier device on the edge areas transmit the carrier device, so that in an arrangement of the support device on a flat roof the weight load is limited to the edge areas of the flat roof which is usually larger loads withstand as the unsupported inner area (s) of the Flat roof.

According to one Another aspect of the invention comprises a carrier device for devices for Use of solar energy on a closed box profile, on which the devices for the use of solar energy in one Inclination angle α to Horizontally attachable, wherein the inclination angle α at least 10 ° and at the most 16 °.

advantageously, is the inclination angle α at least 12 ° and at the most 14 °; especially advantageous is an inclination angle α of approximately 14 °.

Conveniently, is on a top of the box section a plurality of support bars or Module carriers, in particular aluminum carriers, arranged, which inclined in a by the inclination angle α to the horizontal Level and on which the devices for the use of solar energy can be mounted.

Advantageous is the carrier device set up for on a substantially flat surface without further fasteners to be arranged.

Conveniently, the box profile is essentially designed as a straight prism, its base area is a quadrilateral, which advantageously has the following internal angles: 90 ° - α, 90 ° - α and 90 ° + 2α.

Conveniently, is the box profile of metal or a metal alloy, in particular Aluminum, manufactured.

advantageously, is the carrier device set up for the devices for using solar energy, in particular photovoltaic modules or Solar panels to arrange on a flat roof.

The present inventive carrier devices are based on preferred embodiments in the following Figures closer explained. Show it:

1 an embodiment of the present invention in an oblique view;

2 a side view of another embodiment of the present invention;

3 another embodiment of the present invention in a plan view;

4 another embodiment of the present invention.

1 shows an embodiment of the present invention in an oblique view. Shown is the smallest version of the carrier device according to the invention, in a sense a basic unit or module, which two triangular carrier 11a . 11b , a variety of cross braces or module carriers 12a - 12g , a windbreaker 13 and two trapezoidal sheets 14a . 14b having.

The Inventive carrier device is for that equipped, devices for using solar energy, in particular Photovoltaic modules or solar panels, on a level surface, z. B. to arrange a flat roof.

The devices for the use of solar energy (not in 1 shown), z. As photovoltaic modules or solar panels are to be module carriers 12a - 12g attached.

However, the carrier device according to the invention is not on the in 1 shown embodiment limited. Rather, the length of the carrier device or of the carrier system is variable over a large range. In particular, the module carrier can laterally beyond the triangular carrier 11a . 11b protrude to increase the contact surface for the devices for using solar energy.

To tensions by z. As temperature-related material expansions in the carrier system to keep small, but the length of the carrier device should not exceed a maximum value of 10 m substantially. Because the triangular shaped carrier 11a . 11b in different lengths (eg 2 m to 6 m) can be performed, the width of the carrier system is variable.

In order to ensure a good stability with the lowest possible weight, the triangular-shaped carrier 11a . 11b preferably made of aluminum, since aluminum has a good strength and a relatively low density.

Depending on the overall length and width of the carrier device is an arrangement of the triangular carrier 11a . 11b at intervals of 1 m to 3 m advantageous. Also, the size of the distances between the straps should be 11a . 11b to the load to be borne by the device, ie the number and weight of the, z. B., photovoltaic modules or solar panels to be adjusted.

For reasons of stability, the length of the cross braces or module carrier should 12a-12g and the windscreen 13 essentially correspond to the total length of the carrier system, ie be formed in one piece, since the module carrier 12a-12g and in particular the windscreen 13 contribute to the horizontal bracing.

The trapezoidal sheets 14a . 14b form the bearing surface of the support device. Therefore, for the trapezoidal sheets 14a . 14b a length of at least 1 m appropriate to ensure sufficient pressure distribution. When installing the support device on a flat roof, however, in order not to influence the water flow on the roof surface too strong, the trapezoidal sheets should 14a . 14b in each case a maximum of two triangular supports 11a . 11b connect with each other.

The trapezoidal sheets 14a . 14b are preferably made of steel or plastic and adapted to take additional loads, such. Concrete cuboid, to increase the stability of the support device.

Conveniently, the additional loads are as close as possible to the support points of the triangular-shaped carrier 11a . 11b For example, an additional load of approximately 25 kg is arranged as close as possible to each support point.

Thus, this embodiment of the support device is advantageously adapted to be arranged on a substantially flat surface, in particular a flat roof, without further fastening means: The support device is fixed at its support points or supports with the trapezoidal sheets 14a . 14b connected, which provide a good stability of the support device due to their large contact surface and the additional weights attached.

Of Further, the load of the modules and the carrier device on the edge areas transmit the carrier device, so that in an arrangement of the support device on a flat roof the weight load is limited to the edge areas of the flat roof which is usually larger loads withstand the unsupported middle Areas of the flat roof.

In a preferred embodiment, the carrier device has substantially the shape of a straight prism, which has a substantially right-angled triangle as base, the triangular-shaped carrier 11a . 11b , wherein the prism is, however, open at the base and top surfaces and part of the lateral surface.

A first (open) side of the lateral surface, which is connected to the hypotenuse the base area adjoins, is aligned horizontally.

A second side of the lateral surface of the prism, which of the devices for the use of solar energy, z. B. photovoltaic modules or solar panels is formed, is advantageously up to 12 ° 14 ° to the Horizontally inclined.

A third side of the lateral surface of the prism, which of the windshield 13 is formed, is advantageously inclined by 76 ° to 78 ° to the horizontal. The windbreaker 13 is suitably designed as a trapezoidal sheet and preferably made of steel, as a steel trapezoidal sheet as a windscreen on the one hand ensures good horizontal stiffening and by its weight (steel has a much higher density than aluminum on) improves the stability of the support device.

The preferred embodiment described above has on the one hand a particularly good stability and stability and on the other hand offers a supporting surface for the photovoltaic modules or solar panels with sufficient inclination to the horizontal to achieve a sufficiently high yield in the energy production by means of photovoltaic modules or solar panels. However, it should be noted that the most favorable for the energy yield tilt depends on the latitude of the site.

2 shows a side view of another embodiment of the present invention.

Pictured is a triangular carrier 21 with the supports 25a . 25b , a variety of module carriers 22a - 22g , a windbreaker 23 and trapezoidal sheets 24a and 24b ,

This in 2 embodiment shown largely corresponds to in 1 However, the triangular supports are trussed 21 executed. Due to their additional bracing, the truss girders offer 21 compared to the trained as a triangular frame straps a higher stability. Therefore, with the same requirement for the stability of the respective carrier device, for the individual struts (ie both for the triangular frame, as well as for the additional struts) of the truss bearer 21 ( 2 ), a cross-section which is smaller than the cross-section of the struts of the corresponding triangular frame 11a . 11b ( 1 ).

Also the struts of the truss bearer 21 are preferably made of aluminum.

The trusses 21 are preferably constructed as follows: on the long sides of the triangular carrier 21 In each case, n equidistant points are defined, which subdivide the respective page into n + 1 segments of equal length, where n is an integer greater than 2. In the in 2 n = 4. The additional struts connect the long triangle sides at the defined points in the in 2 shown way.

Each of the triangular carriers 21 has two supports 25a . 25b on, on which the carrier device fixed to the trapezoidal sheets 14a . 14b is connected and which at the bottom of the triangular support 21 near two corners of the triangular support 21 are arranged. The triangular support is preferred 21 at his supports 25a . 25b on each two adjacent webs of the trapezoidal sheet 14a . 14b attached, as in 2 you can see.

3 shows a further embodiment of the present invention in a plan view, wherein for the sake of clarity, the associated windshield is not shown.

In the 3 As shown, the carrier device has two basic modules, each with two triangular carriers 31a - 31d and two trapezoidal sheets 34a - 34d on. The variety of cross braces or module carriers 32a - 32g connects all four triangular beams 31a - 31d , Also, the associated, but not pictured windshield is formed in one piece and connects all four triangular support 31a - 31d ,

The triangular carriers 31a - 31d can be designed both as a triangular frame, as well as trusses.

On the variety of module carriers 32a - 32g For example, the devices for using solar energy, for example photovoltaic modules or solar collectors, can be mounted.

As a further, not shown embodiment, a support device consisting of three basic modules, each with two triangular supports and two trapezoidal sheets would be conceivable. Here, too, connects a variety of cross braces or module carriers 32a - 32g and a windscreen all (in this case six) triangular shaped beams.

4 shows another embodiment of the present invention.

In the 4 shown carrier device 40 for devices for the use of solar energy includes a closed box profile 41 on which devices for the use of solar energy, eg. B. photovoltaic modules or solar panels, can be mounted at an angle α to the horizontal, wherein the inclination angle α is about 12 ° to 14 °. Particularly advantageous is an inclination angle α of about 14 °.

Conveniently, the box profile 41 made of metal or a metal alloy, in particular aluminum.

For attachment of z. B. photovoltaic modules or solar panels is on top of the box section 41 a plurality of support bars or module carriers 42 , in particular aluminum carriers, attached.

This in 4 shown box profile 41 is substantially in the form of a straight prism whose base is a quadrilateral having approximately the following internal angles: 90 ° -α, 90 ° -α, 90 ° + 2α and 90 °.

Due to the low and steep (approx. 74 ° -78 ° to the horizontal) side walls and the only slightly inclined (about 12 ° -14 ° to the horizontal) top, on which z. B. photovoltaic modules or solar panels are mounted, has the in 4 illustrated carrier device 40 a very good stability and is suitable to be arranged on a substantially flat surface, in particular a flat roof, without further fastening means.

The dimensions of the carrier device described above 40 can be varied freely. However, it is appropriate, the width of the box section 41 to adapt to the dimensions of the modules to be attached. Advantageously, an arrangement of the modules along the side next to each other or two modules across each other.

The length of the box profile 41 should not significantly exceed 6 m, otherwise the carrier device 40 would be difficult to move or change and would, if installed on a flat roof, the water supply on the roof would be too much affected.

Preferably, the box profile 41 Close to the ground arranged openings to drain any penetrated rainwater.

Claims (28)

Support device for devices for using solar energy comprising: at least two triangular supports ( 11a . 11b ) to which the devices for the utilization of solar energy can be attached at an inclination angle α to the horizontal, the angle of inclination α being at least 10 ° and at most 16 °, and each of the triangular shaped supports ( 11a . 11b ) two supports ( 25a . 25b ), by means of which the carrier device is fixable and which on an underside of the triangular support ( 11a . 11b ) near two corners of the triangular shaped support ( 11a . 11b ) are arranged. support device according to claim 1, wherein the inclination angle α at least 12 ° and maximum 14 °. support device according to claim 1, wherein the inclination angle α is about 14 °. Carrier device according to one of the preceding claims, wherein on the at least two triangular supports ( 11a . 11b ) a variety of cross-bracing ( 12a-12g ) is arranged, which lie in a plane inclined by the inclination angle α to the horizontal plane and on which the devices for the use of solar energy can be mounted. support device according to one of the preceding claims, the devices for the use of solar photovoltaic modules or solar panels are. support device according to claim 5, wherein the carrier device set up for it is the photovoltaic modules or solar panels on a flat roof to arrange. Supporting device according to one of the preceding claims, wherein the triangular shaped supports ( 11a . 11b ) have an internal angle of about 12 ° to 14 °. Carrier device according to claim 7, wherein the triangular shaped supports ( 11a . 11b ) have a further interior angle of about 76 ° to 78 °. Carrier device according to claim 8, wherein the triangular support ( 11a . 11b ) is substantially rectangular. A support device according to any one of the preceding claims, further comprising: a windguard ( 13 ), which at the triangular carriers ( 11a . 11b ) is attached in such a way that the windscreen ( 13 ) includes an inclination angle to the horizontal of about 76 ° to 78 ° and each on one side of the triangular-shaped carrier ( 11a . 11b ) is present. A support device according to claim 10, wherein the windshield ( 13 ) is designed as a trapezoidal sheet. Carrier device according to one of the preceding claims, further comprising: at least two trapezoidal sheets ( 14a . 14b ) on which the triangular shaped supports ( 11a . 11b ) at their respective two supports ( 25a . 25b ) are attached. Carrier device according to claim 12, wherein on the at least two trapezoidal sheets ( 14a . 14b ) Additional loads are arranged. support device according to claim 13, wherein the carrier device set up for it is, on a substantially flat surface without further fasteners to be arranged. Carrier device according to one of the preceding claims, wherein the at least two triangular shaped supports ( 11a . 11b ) as a truss ( 21 ) are formed. Carrier device according to one of the preceding claims, wherein the at least two triangular support ( 11a . 11b ) are made of metal or a metal alloy. A support device according to claim 16, wherein said at least two triangular shaped supports ( 11a . 11b ) are made of aluminum. Carrier device for devices for using solar energy comprising: a closed box profile ( 41 ), on which the devices for using solar energy at an inclination angle α to the horizontal can be attached, wherein the inclination angle α is at least 10 ° and at most 16 °. support device according to claim 18, wherein the inclination angle α at least 12 ° and at the most 14 °. support device according to claim 18, wherein the inclination angle α is about 14 °. Carrier device according to one of claims 18-20, wherein on an upper side of the box profile ( 41 ) a plurality of support rods ( 42 ) is arranged, which lie in a plane inclined by the inclination angle α to the horizontal plane and on which the devices for the use of solar energy can be mounted. support device according to claim 21, wherein the carrier device set up for it is, on a substantially flat surface without further fasteners to be arranged. A support device according to claim 22, wherein the box profile ( 41 ) is formed substantially as a straight prism whose base is a quadrilateral. support device according to claim 23, wherein the square has the following internal angles: 90 ° - α, 90 ° - α and 90 ° + 2α. Carrier device according to one of claims 18-24, wherein the box profile ( 41 ) is made of metal or a metal alloy. Carrier device according to one of claims 18-25, wherein the box profile ( 41 ) is made of aluminum. support device according to one the claims 18-26, the devices for the use of solar photovoltaic modules or solar panels are. support device according to claim 27, wherein the carrier device set up for it is the photovoltaic modules or solar panels on a flat roof to arrange.