DE202009017043U1 - Device for mounting photovoltaic modules - Google Patents

Abstract

Device (10) for erecting photovoltaic modules (11) on a flat horizontal or slightly inclined ground, in particular a flat roof (12), with a molded part (15) which can be placed on the substrate (12) and on the inclined arrangement Photovoltaic module (11) can be fastened, characterized in that the molded part as a one-piece and bottom open hood (15) is formed, which is provided with a recess (30) inclined module support side (16) and facing away from a closed opposite side (17), wherein on the module support side (16) holding elements (31, 32) for at least one photovoltaic module (11) can be fastened.

Description

The present invention relates to a device for erecting photovoltaic modules on a flat horizontal or slightly inclined ground, in particular a flat roof, according to the preamble of claim 1.

In such from the DE 20 2006 013 662 U1 known device, the molding is a trough, which is approximately trapezoidal in cross-section and rests with its bottom on the respective substrate, the module support side is open, so that several photovoltaic modules can be placed on the exposed edges of the tub and fixed with additional tools. Depending on the number of juxtaposed photovoltaic modules, such a well must be made to measure. This is expensive. Furthermore, this known device is susceptible to wind due to their construction. Therefore, the trough of the device must either be attached to the ground or covered with ballast material, which may lead to a possibly unacceptable load on the ground.

Furthermore, from the DE 20 2008 014 173 U1 a device of the aforementioned type, in which the molded part is also formed as a trough, which is provided for supporting a plurality of adjacent photovoltaic modules with an oblique surface forming upright profile walls, between which the bottom side wells are provided for receiving ballast material. Apart from the fact that such a tub is expensive, the aforementioned disadvantages arise in a similar manner.

Object of the present invention is therefore to provide a device for Aufständern of photovoltaic modules of the type mentioned above, which leads to a simplification of the production and the arrangement on the relevant surface and which is also less susceptible to wind.

To solve this problem, the features specified in claim 1 are provided in a device for Aufständern of photovoltaic modules of the type mentioned.

By the measures according to the invention it is achieved that the molded part is constructed to save costs and in a simple manner with the or the photovoltaic modules can be equipped. In this case, a sufficient ventilation of the photovoltaic modules is given in an advantageous manner. Due to the structural design of the molded part, the required Windangriffssicherheit.

Preferred constructive embodiments of the hood result from the features of claim 2 and / or 3.

With the features of claim 4, a cowl-like design hood is achieved, which leads to a further improvement in wind stability.

If the features are provided according to claim 5, it is possible to connect several devices in a simple manner.

A simplification of the attachment of the photovoltaic modules to the hood resulting from the features of claim 6 and possibly those of claim 7. Thus, the holding elements in a quick and easy manner attached to the edges surrounding the recess and preferably in the corners the recess are clipped, which can be done without any special tools. On the holding elements then the photovoltaic modules can be placed and secured in a preferred manner on one longitudinal side.

In order to provide measures that enable a windproof support of the hood of a device, the features according to claim 8 and optionally those of claim 9 are provided so that depending on the arrangement, individual reinforced fasteners and brackets can be provided.

The present invention further relates to an arrangement of two or more devices for Aufstandern photovoltaic modules as they are designed according to claim 1. In order to enable a highly optional arrangement of these devices, the features according to claim 10 are provided. It is possible to arrange the parallel connecting rails due to a corresponding uniform profiling of the support edges of the hood of the device at different distances, which can lead to the most dense arrangement of the devices with the features of claim 11 to a corresponding surface area.

If the features according to claim 12 are provided, individual selected devices can be weighted via bottom troughs by means of ballast material, which leads to a stabilization of the arrangement overall in a simple manner, without the allowable background load, for example, flat roof load is exceeded.

To further stabilize a possible wind attack, the features of claim 13 are provided so that the space between adjacent devices is covered.

Further details of the invention will be apparent from the following description in which the invention with reference to the embodiments illustrated in the drawings and described in more detail. Show it:

1 a schematic perspective view of a device for Aufständern a photovoltaic module according to a first embodiment of the present invention,

2 in an enlarged view a detail according to circle II of the 1 .

3 in a schematic partially broken perspective view of a device for Aufständern a Fotovolatikmoduls according to a second embodiment of the present invention,

4 in a schematic perspective view of a device provided with a connecting element to an adjacent device, not shown, for Aufständern a photovoltaic module according to the first and / or the second embodiment of the present invention and

5 in a schematic perspective view of an arrangement of a plurality of groups arranged in rows devices for Aufständern photovoltaic modules according to the first and / or the second embodiment of the present invention.

The device shown in the drawing 10 respectively. 10 ' , which serves for Aufständern of the embodiments of each of a Fotovolatikmoduls on a flat horizontal or slightly inclined ground, in particular on a flat roof, consists essentially of a hood-like molded part 15 , which is made in one piece from preferably plastic. The molding 15 is formed substantially hipped roof-like, which on the example flat roof 12 on the underside resting on the edge 13 is open.

The molding 15 is thus formed as a bottom open hood, which has a front inclined surface 16 and a rear oblique surface 17 has which inclined surfaces 16 . 17 have the same width and length and are arranged at an angle of, for example, between about 30 ° and 45 °. Furthermore, the molding has 15 or the hood a left and a right undurchbstrochene side surface 18 . 19 which are inclined to the vertical at an acute angle to the outside.

The free edges of these roof surfaces 16 to 19 form the bottom or overlay side 13 of the molding 15 on the flat roof, for example 12 and at the same time the boundary of the bottom opening 14 of the molding 12 , The free ends 21 and 22 the front and rear inclined surface 16 . 17 are formed profiled in such a way that preferably at a uniform distance over the longitudinal projections 26 and returns 27 are provided. The free end 23 and 24 the left and right side surface 18 . 19 On the other hand, they are flat on their support surface by means of a folded edge.

While the rear oblique surface 17 flat and unbroken, that is completely closed, is the front oblique surface 16 with a relatively large rectangular recess 30 Mistake. In the area of both longitudinal sides of the recess 30 are holding elements 31 . 32 held in the form of profile rails, which are connected to the recess 30 with forming longitudinal edges 33 . 34 are fastened. The two profile rails 31 and 32 are at their two ends with an angle sheet 36 . 37 provided, of which the lower angle plate 37 on the profile rail 31 . 32 is fixed while the upper angle plate 36 preferably releasably fastened, for example by means of screws. Both angle plates 36 and 37 are held on the front and project beyond the module support 38 the profile rails 31 . 32 , At her bottom 39 are the profile rails 31 . 32 with fastening bolts or rollers 41 . 42 provided with a circumferential groove 43 are provided. The corner of longitudinal edge 33 respectively. 34 and each adjacent transverse edge 35 are formed such that a circular recess 44 is formed, to the inside of the recess 30 is open so that the fastening bolts or rollers 41 . 42 with her groove 43 can be locked in the respective corner.

In this way, the front oblique surface 16 designed as a module support side, such that on the holding elements 31 and 32 a photovoltaic module 11 can be placed and fastened, with the only module here 11 one of the surface dimensions of the front inclined surface 16 having corresponding area dimension. Although in the embodiment of each front inclined surface 16 only one module 11 can be placed, it is understood that with a corresponding number of holding elements for two or more modules 11 can apply.

In the embodiment of 3 is a device 10 ' shown, which, what the hood-like molded part 15 as well as the holding elements or profile rails 31 and 32 is identical. In this embodiment, in addition to the molding 15 a floor pan 50 provided, whose areal dimension is such that the floor pan 50 before attaching the retaining elements 31 and 32 through the recess 30 in the molding 15 placed and on the ground, for example, the flat roof 12 can be placed. This floor pan 15 thus fills a substantial area of the bottom opening 14 of the molding 15 out. The floor pan 50 that is indirectly with the molding 15 can be connected, is intended to be filled with ballast material to the molding 15 or the device 10 ' to protect against wind attack without additional attachments to the ground. It is preferably provided that the floor pan 50 has a relatively small depth. The floor pan 50 is profiled on the underside in such a way that over its width web-shaped projections 51 and returns 52 preferably alternate evenly in the longitudinal direction.

Another additional measure in the embodiment of 3 opposite to the 1 is given by the fact that on the ground, for example, flat roof 12 at certain even or uneven intervals connecting rails 55 when, for example, with rectangular cross-section hollow profile-like profiles are placed. The connecting rails 55 have an outer cross section, the inner cross section of the recesses 27 the free ends 21 and 22 the inclined surfaces 16 and 17 of the molding 15 as well as the returns 52 the floor pan 50 equivalent. In other words, molded part 15 and floor pan 50 are form-fitting via the connecting rails 55 placed and can be connected or screwed together.

Are several such connecting rails 55 on the ground, for example flat roof 12 , designed as in 5 can be shown a variety of devices 10 and or 10 ' in the immediate vicinity in rows and / or groups arranged at a certain distance one behind the other and on the respective parallel connecting rails 55 be put on. It is generally sufficient, if only every second or third or the like of the bottom trays 50 within a device 10 respectively. 10 ' arranged and equipped with ballast material or is occupied to the arrangement 60 Total protection against wind attacks and without separate attachment to the ground 12 to keep.

4 shows except the attachment of a module 11 on a device 10 respectively. 10 ' a roof-shaped connecting element 58 between two immediately adjacent devices 10 respectively. 10 ' in an arrangement 60 , This connecting element 58 serves to the triangular or cake piece-like gap between the two left and right side surfaces 18 . 19 two adjacent moldings 15 to cover to avoid exposed wind attack surfaces. The trained as a bridging bulkhead roof-shaped connecting element 58 runs between the inclined surfaces 16 . 17 of the molding 15 and the inside of the holding elements 31 . 32 resting photovoltaic module 11 , The connecting element 58 is at the two adjacent moldings 15 attached, for example glued.

Even though the devices 10 respectively. 10 ' and their arrangement 60 as on a flat roof 12 are arranged, it is understood that they can be provided on a slightly inclined ground, in which case it is expedient, the front and rear inclined surface 16 . 17 perform differently inclined relative to an imaginary horizontal.

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 202006013662 U1 [0002]
• DE 202008014173 U1 [0003]

Claims (13)

Contraption ( 10 ) for erecting photovoltaic modules ( 11 ) on a flat horizontal or slightly inclined ground, in particular a flat roof ( 12 ), with a molded part ( 15 ) on the ground ( 12 ) is mounted and on the tilted in the photovoltaic module ( 11 ) is fastened, characterized in that the molded part as a one-piece and bottom-side open hood ( 15 ) is formed, the one with a recess ( 30 ) provided inclined module overlay side ( 16 ) and this turned away a closed opposite side ( 17 ), wherein on the module support side ( 16 ) Holding elements ( 31 . 32 ) for at least one photovoltaic module ( 11 ) are fastened. Device according to claim 1, characterized in that the hood ( 15 ) is provided on the bottom circumferentially with a support edge. Device according to claim 1 or 2, characterized in that the hood ( 15 ) in cross-section triangular with preferably the same length module support side ( 16 ) and counterpart ( 17 ). Device according to at least one of the preceding claims, characterized in that the hood ( 15 ) with mutually inclined transverse sides ( 18 . 19 ) is provided. Device according to at least one of claims 2 to 4, characterized in that the longitudinal bearing edge portions ( 21 . 22 ) for receiving underground connection bars ( 55 ) are formed profiled. Device according to at least one of the preceding claims, characterized in that the holding elements ( 31 . 32 ) for the photovoltaic module ( 11 ) at the recess ( 30 ) bounding edge ( 33 . 34 ) are fastened. Apparatus according to claim 6, characterized in that the holding elements ( 31 . 32 ) in the area of the corners of the recess ( 30 ) with the module overlay page ( 16 ) are preferably latched. Device according to at least one of the preceding claims, characterized in that a floor pan ( 50 ) provided by the recess ( 30 ) in the module edition page ( 16 ) can be used towards the open hood floor. Apparatus according to claim 8, characterized in that the bottom pan ( 50 ) for receiving underground connection bars ( 55 ) is formed profiled. Arrangement ( 60 ) from two or more devices ( 10 ) for erecting photovoltaic modules ( 11 ) according to claim 1 and optionally at least one of the following, characterized by parallel connecting rails ( 55 ) on which the hoods ( 15 ) are placed positively. Arrangement according to claim 10, characterized in that the hoods ( 15 ) are laterally offset against each other can be arranged. Arrangement according to claim 10 or 11, characterized in that inside all or part of the hoods ( 15 ) profiled floor pans ( 50 ) on the profile rails ( 55 ) are positively placed. Arrangement according to at least one of claims 10 to 12, characterized in that longitudinally immediately adjacent hoods ( 15 ) with a roof-like bridging partition ( 58 ) are connectable.

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