奥地利专利AT513454A1 Parabolic trough collector with adjustable parameters

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专利摘要:
Cost-effectively produced, easily transportable and robust parabolic trough collector with adjustable parameters, which has ropes (21), which are always brought into a parabolic shape, and on which the reflecting material (25) is fixed. This parabolic shape is achieved by applying a force acting parallel to the axes of symmetry of the ropes (27) and evenly distributed along the direction perpendicular to the axes of symmetry of the ropes (27). This force is exerted by hanger (19) connecting between the members (21) and the supports (14) by connecting all supports (14) to a longitudinal strut (15) moving parallel to the axes of symmetry of the cables (27). This longitudinal strut is drawn to a fixed base (7) by a threaded rod (8) and a clamping nut (9), with a much greater force than the weight of the cables (21) and the reflective material (25). The aperture (28) and focal length (29) of this parabolic trough collector are adjustable by sliding pylons (2) and rollers (10).
公开号:AT513454A1
申请号:T985/2012
申请日:2012-09-10
公开日:2014-04-15
发明作者:Ahmed Adel
申请人:Ahmed Adel；
IPC主号:

专利说明:

The invention relates to a cost-efficiently produced, easily transportable and robust Paraboirinnenkollektor with adjustable parameters.
Paraboirinnenkollektoren are parabolic solar brines, which focus the direct solar radiation on a so-called focal line, in this focal line is an absorber tube or a photovoltaic module attached. The well-known versions of the paraboirs are either with almost exact parabolic shape but inflexible parameters (with parameters here are the aperture and focal length meant) or with slightly flexible parameters, but no exact parabolic shape. In addition, the Paraboirinnen with almost exact parabolic shape have relatively high production costs. On the other hand, the paraboirs with slightly flexible parameters are usually not robust enough to withstand adverse weather conditions.
The invention is therefore based on the object to combine the precision of the shape of the Paraboirinnenkollektors with robustness and adjustability of its parameters, and allows to control the aperture and the focal length of the Paraboirinnenkollektors on site, and all this with even cheaper production costs than the previously conventional Paraboirinnenkollektoren ,
This is inventively achieved by the characterizing features of claim 1. Further advantageous 2/27 2 ··· ·· 2 ··· ··· · · · · ♦
Embodiments are proposed according to the subclaims.
The invention will be explained in more detail with reference to an embodiment according to the drawings, wherein
Fig.l shows an axonometric view of a Paraboirinnenkollektors with adjustable parameters
FIG. 2 shows a side view of the parabolic trough collector shown in FIG
3 shows an axonometric representation of a connection between a trailer and a carrier shown in FIGS. 1 and 2
FIG. 4 shows an axonometric view of a pylon from the pylons shown in FIG. 1 and FIG
In the schematic drawings, a required absorber tube or a photovoltaic module is not shown in each case for reasons of simplicity.
The main idea of this invention is to always place the ropes 21, on which narrow (flat) mirror segments or flexible reflective material 25 are fastened with releasable connections, into a parabolic shape no matter how large the aperture 28 or the focal length 29 is. the ropes 21 are suspended between pylons 2 and on curved saddles 1, - the parabolic shape of the ropes is used by applying a force which is parallel to the 3/27
Symmetry axes of the cables 2 7 acts and is distributed uniformly along the direction perpendicular to the axes of symmetry of the cables 27 - this force is exerted by connecting the cables 21 and the carriers 14 between hanger 19, which are parallel to the axes of symmetry of the cables 27 and whose pitches are the same by all carriers 14 are connected to a parallel to the symmetry axes of the cables 27 moving longitudinal strut 15, - the longitudinal strut 15 is by a threaded rod 8, which is welded in the middle of the moving longitudinal strut 15, and a Clamping nut 9 is pulled to a fixed lower part 7, with a much larger force than the weight of the ropes 21 and the reflective material 25 and all other forces acting such as the wind loads - thus the weights of the ropes 21 and the reflective material 25 and all other forces acting are negligibly small, - the connections between the hangers 19 and the ropes 21 are made by wire rope clamps 20, - the hangers 19 are in the vertical holes 26 the carrier 14, which can be better seen in Figure 3, symmetrically threads around the axes of symmetry of the cables 27, so that the distances between them are the same, - on the parts of the hangers 24 which are under the carriers 14 are wire rope clamps 23, which can be seen more clearly in FIG. 3, the distances between each cable 21 and the wire-rope clamps 23 clamped on the hangers produce a parabola, - with it the applied tensile forces in all individual hangers 19 are almost equal and the ropes 21 are brought into a parabolic shape. The mathematical proof for this is shown below:
Assumptions: y-axis: axis of symmetry of the rope 27 x-axis: axis perpendicular to the axis of symmetry of the rope 27 w0: force acting downwards and evenly along x-axis per unit length w0x: downward force on this section of the rope T0: tangential and horizontal force on the lowest point of the rope T: tangential force
The rope is considered static 5/27 5 • · • ·
where the sum of the horizontal and vertical forces must be zero. This leads to two equations: To divide T.sinS = w0x and T.cosG = T0 to eliminate T, we obtain: w0x tanG = - T0 dy - = a .x dx where 6/27 ······ · · · g ···· · · Ό V. · · ······ ·· w 0 a =
To 2 a. x y
- + C 2
Thus, this curve is a parabola and for that very reason the ropes of a suspension bridge have a parabolic shape.
For reasons of clarity, not all freely suspended parts of the hangers 24, which are located under the supports 14, and on which clamped wire rope clamps 23 in Fig.l and Fig. 2 are located (only for seven hangers 19 drawn).
In Fig.l are six pylons 2, two pylons 2 for each rope 21. These pylons 2 have at their tips curved saddles 1, on which the ropes 21 are mounted. These saddles 1 have the task almost all forces that are exerted on the pylons 2 to convert into compressive forces, thus material costs of the pylons 2 can be saved. Each pylon 2 has a through opening 3, which has two functions, - first, to allow the movement of the moving longitudinal strut 15 with the supports 14, which is parallel to the symmetry axes of the cables 27, when the tightening nut 9 is screwed or tightened. Secondly, when adjusting the aperture 28 of the parabola inner collector, the pylons 2 become perpendicular to the axes of symmetry of the pebbles 2, 3 ', 3', 3 ', 3', 3 ' Ropes 27 shifted, which allows the through opening 3 at any height of the carrier 14.
The aperture 28 and the focal length 29 of this Paraboirinnenkollektors are adjustable, but you must always make sure that you before the adjustment of the aperture 28 or the focal length 29 a. put the parabolic trough collector in the horizontal position so that the pylons 2 are vertical, b. then releases the releasable connections between the ropes 21 and the narrow (flat) mirror segments or the flexible reflective material 25, c. then remove the narrow (flat) mirror segments or flexible reflective material 25, i. then unscrew the clamping nut 9 to relieve the tensile forces of the trailer 19 and the cables 21, e. then the wire rope clamps 20, which connect the hangers 19 to the ropes 21, dismounted, f. then the wire rope clamps 23, which are clamped on the parts of the hangers 24 which are under the supports 14, dismounted, g. then the hangers 19 removed.
The aperture 28 can be adjusted as desired by unscrewing a. The nuts 22, which are screwed on the threaded ends of the long rods 12, and pulls the rods 12 out 8/27 8 8 • · • · • · · · · · · · ································ b. then the pylons 2 horizontally and symmetrically shifts about the axes of symmetry of the cables 27 on the lower part 7 to allow this displacement at any height of the carrier, each pylon 2 has a through opening 3, all pylons 2 on one of the two sides of the cables 21st must be shifted by the same distance and in the same direction. All pylons 2 located on one of the two sides of the ropes 21 must be displaced by the same distance and in the same direction, c. then, upon reaching the required aperture 28, insert long bars 12 into the holes 13 in the base 7 and the two holes 30 in the springs 11 of the pylons 2, which can be seen in Fig. 4, and thus the pylons 2 have no leeway to to shift, since their springs 11 fit perfectly in the grooves 18 in the lower part 7, d. then attach the rods 12 by screwing nuts 22 onto their threaded ends.
The focal length 29 can be adjusted as desired by a. the ropes 21 by the on both sides of the ropes 21 located rollers 10, which are similar in construction and function as fishing reels caught up, if you want to increase the focal length 29, or pulls in length, if you want to reduce the focal length 29. It is necessary to ensure that all lengths of ropes 21 are equal after adjustment, b. then the ropes 21 upon reaching the length which gives the desired focal length 29, hangs on the saddles 1 and this length by the rollers 10 which are fixed on the lower part 7, holds. 9/27 9 • • • • • • • II • · • ·
• · III • · • ·
After the adjustment of the aperture 28 or the focal length 29, the cables 21 are again brought into a parabolic shape and the reflective material 25 is fixed on the cables 21 by a. the hangers 19 are threaded symmetrically about the symmetry axes of the cables 27 into the vertical holes 26 of the beams 14 so that the distances between them are the same, b. then connecting the upper ends of the hangers 19 to the ropes 21 by wire rope clamps 20 so that all the hangers 19 are vertical, these joints must be strong enough to prevent the hangers 19 from slipping on the ropes 21, c. then clamps on the remainder remaining parts of the hangers 24 which are under the beams 14, wire clamps 23, so that the distances between each rope 21 and the clamped on the hangers 19 wire rope clamps 23 provide a parabola, d. In order to obtain the equation of the parabola, one can measure the distances where the two hangers 19 on the far left and the far right are connected to the rope 21, and the distance in the middle of the rope 21 between the rope 21 and the straps 14. then tightening the tension nut 9 with a much greater force than the weight of the ropes 21 and the reflective material 25, and thus the applied tractive forces in all individual hangers 19 are almost equal and the ropes 21 are brought into a parabolic shape, f. then narrow (flat) mirror segments or flexible reflective material 25 attached to the cables 21 with releasable connections, g. then the height of the absorber tube or the photovoltaic module by the adjustable absorber holder 17 adjusted, which consists of two profile elements, one of which slides into the other and has a hole 16 with internal thread to set the desired height by tightening a screw.
The length of the parabolic trough collector is controlled by aligning the required number of ropes 21 along the longitudinal axis 5. This
Paraboirinnenkollektor can follow the movement of the sun with a conventional tracking system about one or two axes, the attitude angle plays no role in the parabolic shape of the ropes 21, as long as the hangers 19 pull the ropes 21, with a much greater force than the weight of the ropes 21st and the reflective material 25 and all other acting forces such as the wind loads. For tracking about a horizontal axis, the longitudinal axis 5 is provided, which is connected to the lower part 7 by supports 4. The whole Paraboirinnenkollektor can be mounted on a conventional elevation 6.

权利要求:
Claims (5)
[1]
1. Cost-efficiently produced, easily transportable and robust paraboir inner collector with adjustable parameters, characterized by the following features:........ : - the cables (21) suspended between pylons (2) and on curved saddles (1) are put in a parabolic shape, - this parabolic shape is applied by applying a force parallel to the axes of symmetry of the cables ( 27) and distributed uniformly along the direction perpendicular to the axes of symmetry of the cables (27), this force being exerted by hangers (19) connecting the cables (21) and the supports (14) in parallel are to the axes of symmetry of the cables (27) and whose intermediate distances are equal by all carriers (14) with a parallel to the axes of symmetry of the cables (27) moving longitudinal strut (15) are connected, - the longitudinal strut (1 5) is pulled by a threaded rod (8) and a clamping nut (9) to a fixed lower part (7), with a much greater force than the weight of the cables (21) and the reflective material (25), - the aperture (28 ) of the Paraboirinnenkollektors is moved by displacement of the pylons (2) in the direction which is perpendicular to the axes of symmetry of the cables (27), - each pylon (2) has two holes (30) in its spring (11), the Spring fits perfectly into the grooves (18) in the lower part (7), 12/27 12 ······· ··········································································· ································································································································································································································································ (13) in the lower part (7) are inserted, - each pylon (2) has a through opening (3), the movement of the moving longitudinal strut (15) with the carriers (14) and the movement of the Pylons (2), - the focal length (29) of the parabolic trough collector is controllable by adjusting the length of the cables (21) by pulling or pulling the cables (21) through the rollers (10) located on both sides of the cables The length of the parabolic trough collector is controlled by aligning the required number of ropes (21) along the longitudinal axis (5), with narrow (flat) mirror segments or flexible reflective material (25) attached to the ropes (21) with releasable connections - the height of the absorber holder is adjustable (17).
[2]
2. parabolic trough collector according to claim 1 comprises cables (21) on which the reflective material (25) is fixed and which are brought into an almost exact parabolic shape, method for achieving a parabolic shape of the ropes (21), characterized in that a: place the parabolic trough collector in the horizontal position so that the pylons (2) are vertical, 13/27 13 b. then attach the ropes (21) of the required length to the saddles (1) and this length is held in place by the rollers (10) mounted on the base (7), c. then thread the hangers (19) into the vertical holes (26) of the beams (14) symmetrically about the axes of symmetry of the cables (27) so that the distances between them are equal, d. then connecting the upper ends of the hangers (19) to the ropes (21) by wire rope clamps (20) so that all the hangers (19) are vertical, these joints must be strong enough to prevent the hangers (19) from slipping on the ropes (21) to prevent e. then clamp on the remainder remaining parts of the hangers (24), which are under the beams (14), wire clamps (23), so that the distances between each rope (21) and the wire rope clamps (23) clamped on the hangers form a parabola give, f. then tightening the tightening nut (9) with a much greater force than the weight of the ropes (21) and the reflective material (25), and thus the applied pulling forces in all the individual hangers (19) are almost equal and the ropes (21) become brought into a parabolic shape.
[3]
3. Paraboirinnenkollektor according to claim 1 or 2 has an adjustable aperture (28), method for adjusting the aperture (28), characterized in that one: a. bring the paraboir collector into the horizontal position so that the pylons (2) are vertical, b. then the detachable connections between the ropes (21) and the narrow (flat) 14/27 14

Dissolves mirror segments or the flexible reflective material (25), c. then remove the narrow (flat) mirror segments or flexible reflective material (25), d. then unscrew the clamping nut (9) to relieve the tensile forces of the hangers (19) and the cables (21), e. then dismantle the wire rope clips (20) connecting the hangers (19) to the cables (21), f. then dismantle the wire rope clips (23) clipped onto the parts of the hangers (24) under the beams (14), g. then remove the hangers (19), h. then unscrew the nuts (22) screwed onto the threaded ends of the long rods (12) and pull out the rods (12) i. then the pylons (2) horizontally and symmetrically about the symmetry axes of the cables (27) on the lower part (7) shifts to allow this displacement in any height of the carrier, each pylon (2) has a through opening (3), all Pylons (2) on one of the two sides of the ropes (21) must be shifted by the same distance and in the same direction, j. then, upon reaching the required aperture (28), insert long rods (12) into the holes (13) in the base (7) and the two holes (30) in the springs (11) of the pylons (2), and thus have the pylons (2) no leeway to shift since their springs (11) fit perfectly into the grooves (18) in the base (7), k. then attach the rods (12) by tightening nuts (22) onto their threaded ends, l. then attach the ropes (21) of the required length to the saddles (1) and this length becomes 15/27 15 ········· ···························· « · · · ················································································································································· then thread the hangers (19) into the vertical holes (26) of the beams (14) symmetrically about the symmetry axes of the cables (27) so that the distances between them are the same, then pass the upper ends of the hangers (19) Wire rope clips (20) connects to the ropes (21) so that all the hangers (19) are vertical, these joints must be strong enough to prevent the hangers (19) from slipping on the ropes (21), o the remaining remaining parts of the hangers (24), which are under the supports (14), clamps wire rope clamps (23), so that the distances between each rope (21) and the wire rope clamps (23) clamped on the hangers (19) Parable revealed, p. then tightening the tightening nut (9) with a much greater force than the weight of the ropes (21) and the reflective material (25), and thus the applied pulling forces in all the individual hangers (19) are almost equal and the ropes (21) become brought into a parabolic shape, q. then narrow (flat) mirror segments or flexible reflective material (25) attached to the cables (21) with releasable connections.
[4]
4. parabolic trough collector according to claim 1 to 3 has an adjustable focal length, method for adjusting the focal length, characterized in that: a.The parabolic trough collector brings in the horizontal position, so that the pylons (2) are vertical, 16/27 16th . then releases the releasable connections between the cables (21) and the narrow (flat) mirror segments or the flexible reflective material (25), c. then remove the narrow (flat) mirror segments or flexible reflective material (25), d. then unscrew the clamping nut (9) to relieve the tensile forces of the hangers (19) and the cables (21), e. then dismantle the wire rope clips (20) connecting the hangers (19) to the cables (21), f. then dismantle the wire rope clips (23) clipped onto the parts of the hangers (24) under the beams (14), g. then remove the hangers (19), h. then retrieves or pulls the cables (21) through the rollers (10) located on either side of the cables (21) so that all the cables (21) are of equal length i. then, upon reaching the length giving the desired focal length (29), hook the ropes (21) to the saddles (1) and hold this length by the rollers (10) mounted on the base (7), j , then thread the hangers (19) into the vertical holes (26) of the beams (14) symmetrically about the symmetry axes of the cables (27) so that the distances between them are the same, k. then connecting the upper ends of the hangers (19) to the ropes (21) by wire rope clamps (20) so that all the hangers (19) are vertical, these joints must be strong enough to prevent the hangers (19) from slipping on the ropes (21) to prevent l. then clamp on the remainder remaining parts of the hangers (24) located under the beams (14), wire rope clamps (23) so that the distances between each rope (21) and 17/27 are clamped on the hangers (19) Wire rope clamps (23) give a parabola, m. then tightening the tension nut (9) with a much greater force than the weight of the ropes (21) and the reflective material (25), and thus the applied tractive forces in all individual hangers (19) are almost equal and the ropes (21) become then brought into a parabolic shape, then narrow (flat) mirror segments or flexible reflective material (25) on the ropes (21) with releasable connections.
[5]
5. parabolic trough collector according to claim 1 to 4, characterized in that the parabolic trough collector is compatible with a conventional tracking system to follow the movement of the sun to one or two axes, wherein the attitude angle in the parabolic shape of the cables (21) is irrelevant plays as long as the hangers (19) pull the ropes (21) with a much greater force than the weight of the ropes (21) and the reflective material (25) and all other acting forces such as the wind loads, wherein for the tracking about a horizontal axis, the longitudinal axis (5) is provided.

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法律状态:
2017-01-15| PC| Change of the owner|Owner name: SOLABOLIC GMBH, AT Effective date: 20161124 |

优先权:

申请号 | 申请日 | 专利标题

ATA985/2012A|AT513454B1|2012-09-10|2012-09-10|Parabolic trough collector with adjustable parameters|ATA985/2012A| AT513454B1|2012-09-10|2012-09-10|Parabolic trough collector with adjustable parameters|

EP13756121.3A| EP2893268B1|2012-09-10|2013-08-29|Holding device|

ES13756121.3T| ES2628367T3|2012-09-10|2013-08-29|Support device|

PCT/EP2013/067879| WO2014037272A1|2012-09-10|2013-08-29|Holding device|

US14/408,407| US10634386B2|2012-09-10|2013-08-29|Holding device|

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