FR3057417A1 - DEVICE FOR GENERATING SOLAR ELECTRIC POWER AND WIND - Google Patents

Abstract

The present invention relates to a device (10) for generating electrical energy, comprising an armature (12) rotatably mounted relative to a support (11) about an axis (XX), the armature (12) comprising at least a lateral face (26) positioned on an outer surface (20) of the armature (12), said lateral face (26) comprising: - at least one location (32) receiving a photovoltaic cell (36) capable of generating a power solar electric under the effect of an incident light, and - at least one fin (34) projecting from the lateral face (26), the fin (34) of the lateral face (26) being adapted to placing the armature (12) in rotation about the axis (XX) under the effect of an air flow, the rotation of the armature (12) around the axis (XX) allowing the cell photovoltaic (36) to be periodically illuminated.

Description

® FRENCH REPUBLIC

NATIONAL INSTITUTE OF INDUSTRIAL PROPERTY © Publication number: 3 057417 (to be used only for reproduction orders)

©) National registration number: 16 59795

COURBEVOIE © Int Cl ⁸ : H 02 S 20/30 (2017.01), B 60 L 8/00

A1 PATENT APPLICATION

©) Date of filing: 11.10.16. © Applicant (s): MORCHID ENGINEERING SARL - (© Priority: MY. @ Inventor (s): MORCHID IMAD. ©) Date of public availability of the request: 04/13/18 Bulletin 18/15. ©) List of documents cited in the preliminary search report: See the end of this booklet (© References to other related national documents: ® Holder (s): MORCHID ENGINEERING SARL. ©) Extension request (s): (© Agent (s): LAVOIX.

DEVICE FOR GENERATING SOLAR AND WIND ELECTRICAL ENERGY.

FR 3 057 417 - A1

The present invention relates to a device (10) for generating electrical energy, comprising a frame (12) rotatably mounted relative to a support (11) about an axis (XX), the frame (12) comprising at least a lateral face (26) positioned on an external surface (20) of the frame (12), said lateral face (26) comprising:

- at least one location (32) receiving a photovoltaic cell (36) capable of generating solar electric power under the effect of incident light, and

- At least one fin (34) projecting from the side face (26), the fin (34) of the side face (26) being adapted to put the armature (12) in rotation around the axis (XX) under the effect of an air flow, the rotation of the armature (12) around the axis (XX) allowing the photovoltaic cell (36) to be illuminated periodically.

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Solar and wind electric power generation device

The present invention relates to a device for generating electrical energy.

Devices for generating electrical energy from sunlight are well known. These devices include, for example, photovoltaic cells to absorb a part of the energy of the incident photons, with an absorption efficiency which varies according to technologies.

The generation of a significant amount of energy generally involves the use of panels comprising a large number of photovoltaic cells exposed to the sun, which requires a large available area.

However, this type of panel is not satisfactory for applications where space is limited, for example, in the case of a vehicle using electric energy.

Indeed, it is impractical to cover the entire external surface of a vehicle with photovoltaic panels, the latter forming fragile and unsightly flat surfaces.

In addition, the panels of such a vehicle would not always be exposed to sunlight, which would reduce the efficiency of the system.

An object of the invention is to provide a device for generating solar energy that is compact from an energy point of view, that is to say allowing a significant generation of energy per unit of area or volume occupied.

To this end, the invention relates to a device for generating electrical energy, comprising a frame rotatably mounted relative to a support about an axis, the frame comprising at least one lateral face positioned on an external surface of the reinforcement, said lateral face comprising:

- at least one location receiving a photovoltaic cell capable of generating solar electric power under the effect of incident light, and

- At least one fin projecting from the lateral face, the fin of the lateral face being able to put the armature in rotation around the axis under the effect of an air flow, the rotation of the frame around the axis allowing the photovoltaic cell to be illuminated periodically.

Such a device uses the air flow to rotate the armature and thus makes it possible to expose a large number of photovoltaic cells to sunlight periodically and at a frequency. Thus, the time of non-exposure of each photovoltaic cell becomes negligible. In addition, according to one embodiment, this device makes it possible to recover a part of the energy of the air flow in the form of wind energy.

According to particular embodiments, the device according to the invention comprises one or more of the following characteristics, taken independently or according to any technically possible combination:

- the frame comprises a plurality of lateral faces distributed over the entire external surface of the frame;

- The device further comprises at least one electric generator capable of generating an electric power under the effect of the rotation of the armature;

- The electric generator comprises at least one sub-generator and a plurality of gears capable of transmitting the rotational movement of the armature to the sub-generator;

- the generator comprises as many sub-generators as there are gears;

- Each gear comprises a first gear part integral in rotation with the frame and a second gear part integral with the support, the second gear part being complementary to the first gear part;

- The frame comprises circumferential portions, the first gear parts being toothed rings extending at the periphery of the circumferential portions;

- the transmission ratio of each gear is greater than one;

- each fin extends in the continuity of the side face extended by the fin.

The invention also relates to a vehicle comprising an electric motor powered by at least one battery, the vehicle comprising at least one device as described above, the or each device being suitable for recharging the or each battery.

Other advantageous aspects of the invention will appear on reading the following description, given by way of example and made with reference to the appended drawings, in which:

FIG. 1 is a schematic perspective representation of an electrical energy generation device according to the invention,

FIG. 2 is a schematic view of the device of FIG. 1, in which certain elements have been removed,

FIG. 3 is another schematic perspective representation of the device in FIG. 1,

FIG. 4 is a schematic sectional view of the device of FIGS. 1 to 3, the energy generator of said device not being visible,

- Figure 5 is a schematic view of a set of generation devices of Figure 1 placed end to end to form a bar,

- Figure 6 is a schematic view of an assembly of bars of Figure 5,

- Figure 7 is a schematic view of a vehicle equipped with several devices of Figure 1, and

- Figure 8 is a schematic view of another vehicle equipped with several devices of Figure 1.

A device 10 for generating electrical energy from wind and solar energy sources is shown in FIGS. 1 to 4.

In the description, the term “interior” is understood as the internal space delimited by the device 10. The term “exterior” is understood as the space complementary to the internal space.

The device 10 comprises a support 11, an armature 12 and an electric generator 16.

In the example illustrated in FIGS. 1 to 4, the support 11 has a base 11A connected to plates 11 B. The support 11 also has a hub 11 D.

The base 11A is a hollow cylinder into which a shaft 11E, illustrated in FIG. 4, of shape complementary to the recess is introduced. The shaft 11E is intended to be fixed to the structure on which the device 10 is intended to be fixed. Such a shaft 11E is fixed relative to the device 10.

The plates 11B are disks hollowed out so that the base 11A is positioned in the recess of each plate 11 B. The plates 11B are connected to the base 11A by means of connection arms 11C.

The hub 11D is a transition piece between the shaft 11E and ball bearings which will be described in more detail in the following description. Thus, the inner surface of the hub 11D is complementary to the shaft 11E and the outer surface of the hub 11D is complementary to the ball bearings.

The base 11 A, the plates 11 B, the connection arms 11C and the hub 11D are, for example, made from one material.

The frame 12 is rotatably mounted relative to the support 11 around an axis X-X shown in Figures 1 to 4.

In the following description, the term "longitudinal" will be understood to mean a direction or a plane parallel to the axis X-X. It will be understood by the term "transverse", a direction or plane orthogonal to the X-X axis.

The frame 12 has an external surface 20, an internal surface 22, circumferential portions 24 and lateral faces 26.

The external surface 20 defines the frame 12 relative to the outside. The outer surface 20 is oriented towards the outside of the device 10, so as to be exposed to a light source, such as the sun.

The internal surface 22 is the complementary surface of the external surface 20. The internal surface 22 is therefore oriented towards the inside of the device 10 and defines an internal space 19 of the frame 12.

In the embodiment of FIGS. 1 to 4, the frame 12 comprises two circumferential portions 24.

As can be seen in FIG. 4, each circumferential portion 24 is positioned in the internal space 19 of the frame 12 between two plates 11 B. In particular, each circumferential portion 24 has a cylindrical shape and extends around the periphery of the base 11 From the support 11.

Each circumferential portion 24 is rotatably mounted around the base 11A and the hub 11 D. Preferably, each circumferential portion 24 is mounted on ball bearings 24A (visible in Figure 4) so as to reduce friction during rotation of the circumferential portion 24 relative to the base 11A.

The lateral faces 26 are distributed over the external surface 20 of the frame 12. Preferably, the lateral faces 26 cover the entire external surface 20 of the frame 12.

Each lateral face 26 comprises at least two edges 27 parallel to the axis X-X. All the lateral faces 26 are connected to each other by the edges 27 of said lateral faces 26. Preferably, the entire length of each edge 27 is in contact with the entire length of an edge 27 of another lateral face 26. Thus, the lateral faces 26 are positioned with respect to each other symmetrically with respect to a plane parallel to the axis XX and passing through the circumferential portions 24.

In the example illustrated in FIGS. 1 to 4, the frame 12 has a prism geometry with a hexagonal base. In this case, the frame 12 then has six rectangular side faces 26 which are identical to each other.

As a variant, the frame 12 has a prism geometry the base of which is any regular polynomial, such as a pentagon or an octagon. The frame 12 then has as many rectangular lateral faces 26 regularly distributed around the axis X-X as the base of the prism with sides.

The lateral faces 26 are connected to the circumferential portions 24 by means of transverse arms 30. In the example illustrated in FIGS. 1 to 4, each lateral face 26 is connected to the circumferential portions 24 by four transverse arms 30.

Each lateral face 26 comprises at least one location 32 and at least one fin 34.

In the example illustrated in FIGS. 1 to 4, each lateral face 26 comprises a single location 32.

Each location 32 defines a reception space for a photovoltaic cell 36, illustrated in FIG. 1. A photovoltaic cell 36 is a generator capable of generating electrical power under the effect of incident light. For example, when the incident light is sunlight, the electric power generated by the photovoltaic cells 36 is solar electric power.

In the example illustrated in FIGS. 1 to 4, each lateral face 26 comprises a single fin 34.

Each fin 34 extends projecting from the corresponding side face 26. In particular, each fin 34 extends the corresponding side face 26 continuously, that is to say that the fin 34 extends the side face 26 without interruption between the side face 26 and the fin 34.

In the example illustrated in FIGS. 1 to 4, each fin 34 extends in continuity with the corresponding side face 26 and is therefore parallel to the side face 26 extended by the fin 34.

As a variant, each fin 34 forms an angle between 0 ° and 45 ° with the lateral face 26 extended by the fin 34.

In the example illustrated in FIGS. 1 to 4, each fin 34 extends over the entire length of an edge 27 of said lateral face 26.

Each fin 34 comprises an internal face 34A and an external face 34B, visible in FIG. 3. The internal face 34A of the fin 34 is curved so as to form an air intake and thus improve the flow of air on device 10.

The internal face 34A of each fin 34 is oriented towards the inside of the device 10. The external face 34B of each fin 34 is oriented towards the outside of the device 10.

The fins 34 are suitable for driving the armature 12 in rotation about the axis XX under the effect of a transverse air flow. The air flow creates an overpressure on the internal faces 34A of the fins 34, which causes the armor 12 to rotate.

The air flow is, for example, the wind. In the case where the device 10 is installed on a vehicle, as will be described later, the air flow is due to the movement of the vehicle in the air.

The rotation of the frame 12, under the effect of the transverse air flow arriving on the internal faces 34A of the fins 34, allows periodic illumination of all the lateral faces 26 and therefore of all the photovoltaic cells 36 present on said lateral faces 26. All the photovoltaic cells 36 thus receive sufficient illumination to generate electrical power, which allows the device 10 to generate greater electrical power with a reduced bulk.

The electric generator 16 is capable of generating wind-powered electric power under the effect of the rotation of the armature 12.

The electric generator 16 comprises at least one sub-generator 50 and a plurality of gears 52.

In the example illustrated in Figures 1 to 4, the electric generator 16 comprises a sub-generator 50 by gear 52. Thus, in the example illustrated in Figures 1 to 4, the device 10 comprises twenty gears 52 and twenty sub -generators 52.

Each sub-generator 50 is, for example, a dynamoelectric machine. A dynamoelectric machine is a direct current machine operating as an electric generator and using electromagnetic induction to convert mechanical energy into electrical energy.

The gears 52 are capable of transmitting the rotational movement of the armature 12 to the corresponding sub-generator 50.

Each gear 52 comprises a first gear part 60 integral in rotation with the frame 12 and a second gear part 62 secured to the support 11. The second gear part 62 is complementary to the first gear part 60. Thus, the rotation of the first gear part 60 causes the rotation of the second gear part 62.

In the example illustrated in FIGS. 1 to 4, the first gear parts 60 are toothed rings extending around the periphery of the circumferential portions 24 so that each first gear part 60 is rotated by the rotation of the circumferential portions 24. In addition, the first gear parts 60 of different gears 52 are common.

The second gear parts 62 are pinions each having an output shaft connected to the corresponding sub-generator 50. Thus, the rotation of each first gear part 60 rotates the corresponding second gear part 62, and therefore the output shaft connected to the corresponding sub-generator 50.

Preferably, each gear 52 is a multiplier gear, that is to say that the transmission ratio of each gear 52 is greater than one. The transmission ratio of a gear is defined as the ratio of the angular speed of output, corresponding to the speed of rotation of the output shaft, to the angular speed of input, corresponding to the speed of rotation of the input tree. A multiplier gear therefore aims to amplify the movement of the input shaft to increase the number of turns made by the output shaft connected to the mechanical input of the motor.

In one embodiment, each gear 52 includes additional gear parts between the second gear part 62 and the output shaft so as to increase the transmission ratio of the gear 52. For example, each gear 52 has, in addition to the first gear part 60, the second gear part 62 and the output shaft, additional transmission stages each formed by a transmission shaft and a pinion. Examples of multiplier gears formed from several transmission stages are described in particular in patent application FR 3 027 970 A. A person skilled in the art can refer to this patent application to produce additional transmission stages between the second part 62 and the output shaft.

In the embodiment illustrated in Figures 1 to 4 (the energy generator 16 is not shown in Figure 4), the support 11 comprises four plates 11 B. The frame 12 comprises two circumferential portions 24 and six lateral faces 26 each comprising a location 32. Each lateral face 26 is connected to each of the circumferential portions 24 by four transverse arms 30 including two transverse arms 30 for the upper circumferential portion 24 and two transverse arms 30 for the lower circumferential portion 24. The energy generator 16 comprises twenty sub-generators 50 and twenty gears 52. The gears 52 comprise twenty first gear parts 60 having the form of toothed rings and twenty second gear parts 62. Each first gear part 60 is common to ten separate second gear parts 62. The sub-generators 50 and the second gear parts 62 are distributed over the plates 11B so that each plate 11B supports ten separate sub-generators 50 and ten second separate gear parts 62.

In addition, the device 10 is suitable for being arranged with other devices 10 to form a strip 100 of device 10 and thus increase the production of energy. An example of a strip 100 of devices 10 is illustrated in FIG. 5.

In addition, strips 100 of devices 10 are also capable of being connected to each other to form an assembly 200 of strips 100, making it possible to further increase the production of energy. An example of an assembly 200 of strips 100 of devices 10 is illustrated in FIG. 6.

A vehicle is thus likely to be equipped with one or more bars 100 to ensure the entire electrical supply to the vehicle.

FIG. 7 represents a vehicle 70 integrating several devices 10 forming an assembly 200 of bars 100.

The vehicle 70 comprises an electric motor 72 powered by at least one battery 74. The vehicle 70 further comprises a system for fixing the devices 10.

The fastening system comprises, for example, a shaft 11E inserted into the recess of the base 11A of the support 11 and fixed to the body 76 of the vehicle 70 by extensions.

In the example illustrated in FIG. 7, the fastening system is fixed to the body of the vehicle 70 so that the support 11 is positioned so that the axis XX is orthogonal to the direction of movement of the vehicle 70. Thus, the air flow due to the displacement is indeed transverse to the devices 10.

More specifically, the fastening system is fixed in a recess in the roof of the vehicle 70 so that only the fins 34 of the devices 10 protrude from the roof of the vehicle 70. This thus makes it possible to minimize friction and therefore the drag force slowing down vehicle 70.

As a variant, the fixing system is fixed at the level of the rear boot or also of the front cover of the vehicle 70.

The devices 10 are electrically connected to the or to each battery 74 in order to ensure recharging.

The operation of the devices 10 integrated into the vehicle 70 will now be described.

When the vehicle 70 moves, an air flow is created around the body 76, which causes each armature 12 to rotate around the corresponding supports 11 via the fins 34.

The photovoltaic cells 36 of the devices 10 then generate electrical energy when they are illuminated by sunlight, which makes it possible to directly supply the vehicle with electrical energy and / or to recharge the batteries 74. In particular, the rotation of the frame 12 allows all the photovoltaic cells 36 to be illuminated periodically and at high frequency, which increases the generation of electrical energy while limiting the size of the devices 10 in the vehicle 70 and making time negligible of non-exposure of photovoltaic cells.

In parallel, the rotational movement of the armature 12 is converted into electrical energy via the gears 52 and the sub-generators 50 of the energy generator 16. The energy obtained at the output of the generator 16 is also used to supply the vehicle and / or sent to the batteries 74 to recharge them.

Thus, the electric generator 16 makes it possible to recover a part of the energy used for the rotation of the frame 12, improving the energy efficiency of each device 10.

In addition, the rotation of the armature 12 allows all the photovoltaic cells 36 to be illuminated periodically, which increases the generation of electrical energy while limiting the size of each device 10 in the vehicle 70. Each device 10 thus makes it possible to generate more electrical power per unit of volume on a moving vehicle than a conventional solar panel.

FIG. 8 represents a train 300 integrating several devices 10 forming an assembly 200 of bars 100. As can be seen in this FIG. 8, the devices 10 are arranged both on the roof 302 of train 300 and on the lateral faces 304 of train 300 .

Alternatively, the device 10 is advantageous in areas where the wind and the illumination are important, since it makes it possible to combine the effects of solar and wind energy generation devices by reducing the space occupied.

The device 10 is suitable for being installed on other types of vehicles, such as trains, buses, trucks, planes, etc. The device 10 is also of interest for buildings with constraints in terms of congestion, such as for example residential buildings, which require a large amount of energy and minimal bulk, while preserving as much as possible the aesthetics of said buildings.

Claims (10)

1. - Device (10) for generating electrical energy, comprising a frame (12) rotatably mounted relative to a support (11) about an axis (XX), the frame (12) comprising at least one face lateral (26) positioned on an external surface (20) of the frame (12), said lateral face (26) comprising: - at least one location (32) receiving a photovoltaic cell (36) capable of generating solar electric power under the effect of incident light, and - At least one fin (34) projecting from the side face (26), the fin (34) of the side face (26) being adapted to put the armature (12) in rotation around the axis (XX) under the effect of an air flow, the rotation of the frame (12) around the axis (XX) allowing the photo-voltaic cell (36) to be illuminated periodically. 2. - Device (10) according to claim 1, wherein the frame (12) comprises a plurality of lateral faces (26) distributed over the entire external surface (20) of the frame 12. 3. - Device (10) according to claim 1 or 2, wherein the device (10) further comprises at least one electric generator (16) capable of generating electric power under the effect of the rotation of the frame (12). 4. - Device (10) according to claim 3, wherein the electric generator (16) comprises at least one sub-generator (50) and a plurality of gears (52) suitable for transmitting the rotational movement of the armature (12) to the sub-generator (50). 5. - Device (10) according to claim 3 or 4, wherein the generator (16) comprises as many sub-generators (50) as gears (52). 6. - Device (10) according to claim 4 or 5, wherein each gear (52) comprises a first gear part (60) integral in rotation with the frame (12) and a second gear part (62 ) integral with the support (11), the second gear part (62) being complementary to the first gear part (60). 7. - Device (10) according to any one of claims 4 to 6, wherein the frame (12) comprises circumferential portions (24), the first gear parts (60) being toothed rings extending on the periphery of the circumferential portions (24). 8. - Device (10) according to any one of claims 4 to 7, wherein the 5 transmission ratio of each gear (52) is greater than one. 9. - Device (10) according to any one of claims 1 to 8, wherein each fin (34) extends in continuity with the side face (26) extended by the fin (34). 10. - Vehicle (70) comprising an electric motor (72) powered by at least one battery (74), the vehicle (70) comprising at least one device (10) according to any one of claims 1 to 9, the or each device (10) being suitable for recharging the or each battery (74). 1/7