Tiled roof of standard appearance comprising a solar radiation heat recovery device invisible from the outside

Abstract

A roof comprises a solar radiation heat recovery device that is invisible from the outside. The roof is made up of supports receiving a heat transfer network which has a longitudinal groove designed to receive the male profile of the protrusion of the heat recovery modules. The supports comprise arms which exert a lateral pressure on the flexible network. The resilient deformation of the network permits the sliding thereof between the arms to the clamped position. The groove of the network closes around the protrusion, immobilizing the module and holding the assembly in the support fixed to the roof frame. The roof is particularly intended to recover solar radiation heat in a way that is aesthetically pleasing, economical, simple and easy to install.

Claims

1. A tiled roof of standard appearance comprising a solar radiation heat recovery device that is invisible from the outside, said roof comprising, on the one hand, at least one solar radiation heat recovery module and, on the other hand, at least one support of a heat transfer network, said heat recovery module comprising on the underside at least one raised portion or protrusion, said support designed for fixing the network and the modules to a frame of the roof comprising a base extended by arms located in mutual opposition, comprising at least one area in the base designed for a passage of standard fixings toward the roof frame, wherein the support comprises arms in mutual opposition, each incorporating two faces: a sliding face which permits the passage of the network inside the support, and a clamping face, the lateral pressure thereof being exerted on the network, wherein the protrusion comprises a male protruding part designed to be interlocked in the heat transfer network, wherein the network comprises a longitudinal groove having a shape which is identical to the protruding part of the protrusion of the heat recovery modules, wherein the flexibility of the network permits the tightening of said groove about the male protruding part of the protrusion and the fixing of the modules to the support, and wherein when the network is pushed in by the installer, the lateral pressure exerted by the clamping faces of the support located in opposition transmits a pressure to the network which tightens the groove thereof, when applied onto the male protrusion located below the roof modules.

2. The roof as claimed in claim 1, wherein the protrusion of the heat recovery module comprises a lateral contact surface and bearing surface designed to improve the heat exchange between the modules and the network and to facilitate the distribution of the bearing pressure when the modules are pushed in.

3. The roof as claimed in claim 1, wherein a protruding profile located on the support arms retains the network, awaiting the installation of the roof modules, further characterized by the network which has at least two lateral grooves which interlock with the profiles located on the arms permitting the network to be temporarily coupled to the support during installation.

4. The roof as claimed in claim 1, wherein at least one of the arms of the support comprises a flexion zone designed to facilitate the insertion of the network by being deflected laterally at the time of its installation by a roofer.

5. The roof as claimed in claim 1, wherein the groove located on the heat transfer network has a roughened zone designed to increase the friction with the male protrusion of the roof modules.

6. The roof as claimed in claim 1, wherein the support(s) are integrated in a roof deck.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) The accompanying drawings illustrate the invention:

(2) FIG. 1 shows a roof surface and the principle of heat recovery associated with a plurality of modules.

(3) FIG. 2 shows a section of the heat recovery device according to the previous figure.

(4) FIG. 3 shows a section of the heat recovery device located at the top of the tiles.

(5) FIG. 4 shows the section of the heat transfer network.

(6) FIG. 5 shows in detail the recovery device before mounting.

(7) FIG. 6 shows the recovery device during the mounting phase.

(8) FIG. 7 shows the recovery device in the final position.

(9) FIG. 8 illustrates a variant of the recovery device before mounting.

(10) FIG. 9 shows the network held in its support during mounting.

(11) FIG. 10 shows the recovery assembly mounted.

(12) FIGS. 11a and 11b show the sections in contact between the protrusion of the module and the network.

(13) FIG. 12 shows a part of the support which illustrates its different constituent parts.

(14) FIG. 13 shows the section of supports integrated in a metal roof deck.

DETAILED DESCRIPTION

(15) With reference to these drawings, I have shown in FIG. 1 a roof surface on which heat recovery modules (4) which have the appearance of standard plain tiles are arranged.

(16) On this drawing, the external appearance of the roof is identical to that of a roof made of commercial plain tiles. As the roof surface is shown in the manner of a cutaway this permits different constituent elements of the invention to become apparent.

(17) The support (2) is fixed to the roof frame (5) in the usual manner by a fixing such as a nail and receives the heat transfer network (3).

(18) The roof module (4) is positioned on the batten (1) in the manner of standard plain tiles and the profile located on the underside and invisible in this figure transmits the heat from the solar radiation to the heat transfer network (3).

(19) FIG. 2 shows the section of the roof surface according to FIG. 1 and permits different constituent elements of the invention to be distinguished. The heat recovery modules (4) have the male heat recovery protrusion (6) which transmits by conduction the heat captured by the heat recovery modules (4) from solar radiation to the heat transfer network (3). An opening in this network or longitudinal groove having a shape which is identical to that of the protrusion (6) of the module (4) remains in full contact due to the lateral tension exerted by the support (2).

(20) Further conventional elements of the roof are shown in this figure: firstly, the roof frame (5), the different constituent parts thereof not being limiting and not constituting the subject of the invention. Secondly, the batten (1) for fixing at the top of the tile.

(21) The standard fixing (7) which connects the support to the roof frame is not visible in this drawing; it is shown in the other figures.

(22) FIG. 3 constitutes an interesting variant of the invention. The protrusion (6), constituent element of the heat recovery module (4), is located in the upper part. Thus, the support (2) is substituted for the batten for fixing to the roof frame (5). As in the case of FIG. 2, the heat transfer network (3) is held in close contact with the protrusion (6) of the module (4) located on the underside due to the pressure exerted by the support (2).

(23) FIG. 4 shows the section of the network, in particular the important features of the invention. The network (3) is not a simple tubular conduit but has a specific profile. More specifically, its cylindrical appearance comprises an opening (17) of identical shape to the male part of the protrusion (6) located below the roof modules (4) of the other figures. The dimension may differ slightly, in particular to facilitate the insertion of the male profile therein. The contact is produced by the lateral external pressure exerted during mounting of this network inside the support (2) (see figures seven and ten). The female profile (17) then closes around the protrusion of the module in the manner of a clamp. The clamping corresponds to the reduction of the opening angle (α) of the groove of the network. This figure also shows two lateral grooves (18) designed to hold the tube (3) on the support, awaiting the installation of the heat recovery modules. These grooves (18) permit the pivoting of the tubular network (3) to be avoided during its installation. The network (3) may be integrally positioned, awaiting the positioning of the recovery modules from above. The grooves (18) interlock with the profile of the arms. Inside the female profile (17) are shown devices (20) which permit improved locking of the tile in position after it has been pushed in. This system which does not act against the tile being pushed in, operates as a genuine anti-return device.

(24) FIG. 5 shows all of the basic components of the invention before mounting. Thus, the heat recovery modules (4) extended by the male part (15), merged in this case with the protrusion (6) on the underside, are shown. More specifically, the protrusion (6) located below the roof module (4) is fully protruding. Also, the heat transfer network (3) is visible, with the minimum features of the areas for receiving the protrusion (6). The support (2) which is fixed to the roof frame by means of a nail or a screw (7) consists of arms (8) positioned on both sides of the base (16).

(25) In the base are drilled one or more venting orifices (14), designed to meet the requirements of renewing air on the underside of roofs according to current building regulations.

(26) In the embodiment according to FIG. 5, the support (2) may consist of wood, the profile thereof being simple to produce by means of a spindle molder and the conventional tools of the carpenter; the network (3) may be produced in reticulated polyethylene from an extrusion mold which is specific to the innovation.

(27) According to this particular embodiment, it is possible to use glycol-water as the heat transfer fluid, currently used to avoid the risk of ice in winter. The roof modules or tiles (4) may be produced by casting from the same constituents as standard tiles, namely clay, possibly comprising additives designed to modify the characteristics thereof.

(28) FIG. 6 shows the installation of the roof module (4) by being pushed in. It presses on the network (3) by means of its protrusion (6). The network (3) bears against the sliding face (12). The network (3) has resilient characteristics, which permits its temporary deformation and its passage inside the arms (8) located on both sides of the base (16) of the support (2). The resilient qualities of the network (3) are sufficient for its insertion for final positioning in spite of the presence of fixed arms (8).

(29) According to a variant, the arms (8) located on both sides of the support (2) may facilitate the insertion of the tube (3) by lateral flexion. The relatively thick arms in this drawing may also be reduced in thickness at their bases to permit or improve their flexion and the positioning of the tube. The lever arm which is greater at the top of the arms (8) facilitates the separation on both sides of the network (3) and the sliding of the network may be carried out so that it adopts its final position, as shown in the following figure.

(30) FIG. 7 repeats, with a variant, the elements described in the preceding figure. The tile (4), the network (3), and the support (2) are shown in the final position. The support replaces the batten usually located at the top of the tiles. A standard fixing (9) such as a nail immobilizes the tile (4) permanently, which is already held due to its protrusion as a result of the lateral pressure exerted by the heat transfer network (3). This network in turn is held by the clamping faces (13) located between the arms of the support (2). The width of the clamping faces on both sides of the arms provides clamping over their upper part which holds the network (3) in the support (2).

(31) FIG. 8 shows a further advantageous variant of the invention. The basic features are repeated and comprise improvements to facilitate the positioning and to increase the contact surface area between the roof module and its network. This figure shows the first step of installation on the roof. The support (2) is fixed to the roof frame (5) by a standard fixing such as a nail (7). The network (3) and the tile (4) are not yet positioned.

(32) The protrusion (6) of the module (4) has an additional contact zone (21) in addition to the male protruding part (15).

(33) This zone (21), when the heat recovery module (4) is pushed in, is positioned in contact with the heat transfer network (3) around the tubular periphery of the network and permits the contact surface area to be increased. This feature is particularly advantageous, on the one hand, to distribute the bearing pressure widely in order to push in the module (4) without breakage inside the support (2) and, on the other hand, to increase the heat exchange surface between the network (3) and the tile (4). The two arms (8) located on both sides of the base comprise profiles (10). Said profiles permit, when positioned, the retention of the heat transfer network (3) awaiting the reception of the roof modules (4), as the following figure shows.

(34) FIG. 9 repeats the previous view and shows the heat transfer network in its waiting position. The heat transfer network (3) is pushed in manually by the installer as indicated by the double arrow. This forces the arms (8) to separate by flexion, in the direction indicated by the two arrows (A). The resilience of the network also contributes to this positioning. The network (3) comprises grooves (18) which enable it to be kept locked in an intermediate position without permitting the rotation thereof. The profile (10) located on the arm (8) complements the sliding faces (12) and clamping faces (13). The profile (10) interlocks with the grooves (18) of the heat transfer network (3). The installer could use a wooden wedge arranged in the groove (not shown) to push the network (3) into its waiting position.

(35) The groove (17) is awaiting the reception of the male profile (15) located on the protrusion (6) of the module (4) which will complete the positioning as indicated in FIG. 10. The roofer is able to carry out the full positioning of the heat transfer network (3) before the arrival of the heat recovery modules (4) on site.

(36) FIG. 10 shows the section of the mounted assembly of the invention. The heat recovery module (4) has been pushed into the heat transfer network (3). The two arms (8) located on both sides of the support are tightened and maintain a lateral clamping force exerted by the clamping face (13) on the heat transfer network (3). The heat conduction is implemented inside the network (3) itself by the perimeter of the protrusion being in contact with the network when the module (15) is pushed in. Added to this heat transmission is that implemented outside the network by contact with the heat recovery protrusion (21).

(37) The support (2) also has a base (16) extended outside the arms (8). The standard fixing (7) may thus be placed in a different manner from that in the two preceding views. This advantageous feature permits, amongst other things, to facilitate the installation of the support on the roof frame and, in particular, to avoid damaging the arms (9) when installing the fixing by a tool, such as a hammer.

(38) FIG. 11 shows the specific profile of the protrusion for heat recovery (6) located below the roof module (4).

(39) This protrusion for heat recovery comprises a male part (15) designed to be inserted into the heat transfer network. In FIG. 11b, this protrusion also comprises a perimeter for external transmission (21) as a complement to the heat recovery carried out inside the heat recovery network (15). This permits the contact surface between the module and the network to be increased, and as a result the heat exchange.

(40) FIG. 12 shows the partial section of the support in this particularly advantageous embodiment designed to receive the assembly for heat recovery. This section makes it possible to detail different functions of the support. The sliding face (12) permits the arms of the support (8) to be separated during the insertion of the network. The sliding face (12) also permits the resilient compression of the heat transfer network during its installation.

(41) The profile (10) permits said heat transfer network waiting for the installation of tiles to be retained. Said profile (10) is designed to be interlocked in the groove (18) of the heat transfer network (3) (see FIG. 4).

(42) Finally, during the definitive insertion of the tiles in their support, the arm of the support (8) flexes again to permit the heat transfer network (3) to be detached from the profile (10) and to be lowered into the final position.

(43) The clamping face (13) carries out the tensioning of the heat transfer network when the module is pushed in. A cradle (19) located in the base (16) of the support receives the network and permits the lateral dimensions of the support (2) to be optimized. Insulating materials, not shown, may also be inserted at this position (19), in order to ensure an effective rupture of the thermal bridge toward the roof frame.

(44) According to a variant, not shown, the cradle may consist of an attached part protruding on the base of the support (2).

(45) FIG. 13 illustrates a variant of the innovation. The supports (2) are produced using a stamped metal sheet. The supports of the modules are fixed and form a roof deck (11). The illustration shows these supports produced using the same stamped metal sheet positioned on the roof frame (5). A standard fixing (7) fixes the assembly to the roof frame.

(46) The invention is particularly intended for producing attractive roofs including the recovery of heat from solar radiation. The invention makes it possible to facilitate its implementation and increase heat output.

(47) Moreover, this invention is also used to implement the recovery of heat from solar radiation in a cost-effective manner, reducing the use of additional materials when producing roofs.

(48) The invention is in accordance with the duty of citizens to reduce the consumption of fossil fuels and to act responsibly regarding natural resources.