Solar collector

Abstract

An assembly of units comprised of mirrors assembled along at least one parabolic arc, each mirror having two opposing lateral edges and opposing longitudinal internal and external edges, each of the two mirrors being longitudinally secured to the other mirror along their respective longitudinal internal edges by at least one securing device positioned at the centre of the parabolic arc; and secured at each lateral edge to the wheel supports.

1 . Assembly of units, each unit consisting of mirrors assembled according to at least one parabola arch, each mirror comprising two opposing lateral edges and opposing inner and outer longitudinal edges, each one of the two mirrors being:
 longitudinally secured to the other mirror along respective inner longitudinal edges by at least one securing device positioned at the centre of the parabolic arch; and   secured by each lateral edge to wheel supports.   
     
     
         2 . Assembly as of  claim 1 , comprising a concentrator line extending between the mirrors, wherein the concentrator line is supported between two consecutive wheel supports at the centre of the parabolic arch. 
     
     
         3 . Assembly as of  claim 1 , wherein each mirror comprises an envelope and an internal structure, said envelope comprising a mirror plate, a rear plate, an inner extrusion along the inner longitudinal edge, an outer extrusion along the outer longitudinal edge, at least one of said mirror plate and rear plate having a reflective power. 
     
     
         4 . Assembly as of  claim 1 , wherein each mirror comprises an envelope and an internal structure, said envelope comprising a mirror plate, a rear plate, an inner extrusion along the inner longitudinal edge, an outer extrusion along the outer longitudinal edge, at least one of said mirror plate and rear plate having a reflective power, and wherein each mirror section is connected, at each lateral end, by anchoring rod, to wheels supported by wheel supports. 
     
     
         5 . Assembly as of  claim 1 , wherein each mirror comprises an envelope and an internal structure, said envelope comprising a mirror plate, a rear plate, an inner extrusion along the inner longitudinal edge, an outer extrusion along the outer longitudinal edge, at least one of said mirror plate and rear plate having a reflective power, and wherein said envelope comprises an intermediate longitudinal reinforcement. 
     
     
         6 . Assembly as of  claim 1 , wherein each mirror comprises an envelope and an internal structure, said envelope comprising a mirror plate, a rear plate, an inner extrusion along the inner longitudinal edge, an outer extrusion along the outer longitudinal edge, at least one of said mirror plate and rear plate having a reflective power, and wherein said internal structure comprises at least an upper layer and a lower layer. 
     
     
         7 . Assembly as of  claim 1 , wherein each mirror comprises an envelope and an internal structure, said envelope comprising a mirror plate, a rear plate, an inner extrusion along the inner longitudinal edge, an outer extrusion along the outer longitudinal edge, at least one of said mirror plate and rear plate having a reflective power, said internal structure comprising at least an upper layer and a lower layer, wherein said upper layer is based on a triaxle glass fiber or carbon fiber. 
     
     
         8 . Assembly as of  claim 1 , wherein each mirror comprises an envelope and an internal structure, said envelope comprising a mirror plate, a rear plate, an inner extrusion along the inner longitudinal edge, an outer extrusion along the outer longitudinal edge, at least one of said mirror plate and rear plate having a reflective power, said internal structure comprising at least an upper layer and a lower layer, wherein said upper layer has a thickness forming at most 5% of the thickness of the mirror. 
     
     
         9 . Assembly as of  claim 1 , wherein each mirror comprises an envelope and an internal structure, said envelope comprising a mirror plate, a rear plate, an inner extrusion along the inner longitudinal edge, an outer extrusion along the outer longitudinal edge, at least one of said mirror plate and rear plate having a reflective power, said internal structure comprising at least an upper layer and a lower layer, wherein said lower layer is based on rigid foam. 
     
     
         10 . Assembly as of  claim 1 , wherein each mirror has a sectional inertia at the gravity center of at least lx=1.34 E+008 and ly=2.11 E+009. 
     
     
         11 . Assembly as of  claim 1 , the securing device comprising brackets connecting respective inner longitudinal edges of the mirrors. 
     
     
         12 . Assembly as of  claim 1 , wherein the securing device has a Z section, the device comprising a first surface secured along an inner longitudinal edge of a first one of the mirrors and a second surface secured along an inner longitudinal edge of a second one of the mirrors, said first and second surfaces being offset one relative to the other, the device connecting the two mirrors along two parabolic arches offset one relative to the other. 
     
     
         13 . Assembly as of  claim 1 , wherein each wheel support supports a wheel, each wheel comprising:
 at least one wheel of a closed section, transferring a controlled rotation movement to the mirrors; and   at least one cross-plate, which secures the wheel to a lateral edge of a mirror.   
     
     
         14 . Assembly as of  claim 1 , wherein each wheel support supports a wheel, each wheel comprising at least one wheel of a closed section, transferring a controlled rotation movement to the mirrors, and at least one cross-plate, which secures the wheel to a lateral edge of a mirror; said assembly comprising, at the position of each wheel support, at least one retaining device configured to prevent detachment of the wheel. 
     
     
         15 . Assembly as of  claim 1 , wherein each wheel support comprises at least one radial support adjustable in relation to two axes.