Beacon device for installation on a tower and associated installation method

1. A lighting device to be installed on a tower, the device including:

an electric energy generating unit comprising:

at least one photovoltaic module able to be wound over at least part of the circumference of the tower, and

a light energy generating unit configured to be fastened on the tower, the light energy generating unit comprising:

a housing having a periphery including an outer circumferential surface that extends in a longitudinal direction of the tower, the housing comprising a body having an upper part, a lower part, and a median part defined by the upper part and the lower part, the upper part including a first electric track and a second electric track, the second electric track having a uniform width, the width being comprised between 2 millimeters and 10 millimeters, and the second electric track having a uniform thickness, the thickness being comprised between 0.5 millimeters and 2 millimeters,

a storage member storing the electric energy generated by the electric energy generating unit,

a regulating member regulating the charge of the storage member, and

a light-emitting member supplied by the storage member, the light-emitting member extending circumferentially about the outer circumferential surface of the periphery of the housing, the first and second electric tracks being used to power the light-emitting member.

2. The device according to claim 1 , wherein the housing comprises the storage member and the regulating member.

3. The device according to claim 1 , wherein the housing has a recess with a shape complementary to the tower.

4. The device according to claim 1 , wherein the housing has two parts, the second part being connected to the first part.

5. The device according to claim 1 , wherein the electric energy generating unit includes a support keeping the photovoltaic module wound over at least part of the circumference of the tower.

6. The device according to claim 5 , wherein the support comprises a ring and two maintaining elements connecting the ring to the light energy generating unit, the two maintaining elements being diametrically opposite one another.

7. A beacon system, comprising:

a tower, and

a device according to claim 1 installed on the tower.

8. A beacon system, comprising:

a tower,

at least one electric energy generating unit comprising:

at least one photovoltaic module able to be wound over at least part of the circumference of the tower, and

at least one light energy generating unit configured to be fastened on the tower, each light energy generating unit comprising:

a housing having a periphery including an outer circumferential surface that extends in a longitudinal direction of the tower, the housing comprising a body having an upper part, a lower part, and a median part defined by the upper part and the lower part, the upper part including a first electric track and a second electric track, the second electric track having a uniform width, the width being comprised between 2 millimeters and 10 millimeters, and the second electric track having a uniform thickness, the thickness being comprised between 0.5 millimeters and 2 millimeters,

a storage member storing electric energy generated by an electric energy generating unit,

a regulating member regulating the charge of the storage member, and

a light-emitting member supplied by the storage member, the light-emitting member extending circumferentially about the outer circumferential surface of the periphery of the housing, the first and second electric tracks being used to power the light-emitting member.

9. A method for installing a device according to claim 1 on a tower, comprising the following steps:

winding the photovoltaic module on the tower, and

assembling the housing on the photovoltaic module.

10. The device according to claim 1 , wherein the lightning device is a beacon device.

11. The device according to claim 1 , wherein the at least one photovoltaic module able to be wound over the entire circumference of the tower.

12. A beacon system according to claim 9 , wherein the at least one photovoltaic module able to be wound over the entire circumference of the tower.

13. The device according to claim 5 , wherein the at least one photovoltaic module able to be wound over the entire circumference of the tower.

14. The device according to claim 1 , wherein the upper part has an inner face comprising two portions and a shoulder defined by said two portions, the second electric track being inserted between the first electric track and the shoulder.

15. The device according to claim 1 , the upper part having an inner face comprising a first portion and a second portion, the second portion including a first rod and a second rod, each of the first and second rods surrounding the tower over at least 180 degrees.

16. The device according to claim 15 , wherein the electric energy generating unit includes a support keeping the photovoltaic module wound over at least part of the circumference of the tower, and wherein the support comprises a first connector and a second connector, the first and second rods being configured to cooperate with one another to guide the first connector during a relative rotation between the lighting unit and the photovoltaic module such that the first connector remains in electrical contact with the first electric track during the rotation, the first rod being further configured to cooperate with the shoulder to guide the second connector during the relative rotation between the lighting unit and the photovoltaic module such that the second connector remains in electrical contact with the first electric track during the rotation.

17. The device according to claim 1 , further comprising a tightening band provided to grip the tower, the tightening band forming a support for the housing when the tightening band is gripping the tower.