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A set of heat pipes for solar collectors is provided. The set includes a plurality of heat pipes, each heat pipe being suitable for being laid out in a respective solar collector, and including a heat pipe fluid, a first sheet and a second sheet locally merged with each other and delimiting a reserv

A set of heat pipes for solar collectors is provided. The set includes a plurality of heat pipes, each heat pipe being suitable for being laid out in a respective solar collector, and including a heat pipe fluid, a first sheet and a second sheet locally merged with each other and delimiting a reservoir. The reservoir containing the heat pipe fluid extends over a hot part for evaporating the heat pipe fluid and a cold part for condensing the heat pipe fluid, and is formed by an interstice between the two sheets. The reservoirs of at least two heat pipes are delimited by a same first sheet and a same second sheet.

대표청구항 ▼

1. A set of heat pipes for solar collectors, the set comprising a plurality of heat pipes: each heat pipe being capable of being-laid out in a respective solar collector;each heat pipe comprising a heat pipe fluid, a reservoir, a first sheet and a second sheet joined with each other to form the rese

1. A set of heat pipes for solar collectors, the set comprising a plurality of heat pipes: each heat pipe being capable of being-laid out in a respective solar collector;each heat pipe comprising a heat pipe fluid, a reservoir, a first sheet and a second sheet joined with each other to form the reservoir therebetween,wherein the first sheet and the second sheet each having an inner surface and an outer surface such that the outer surface of the first sheet faces the inner surface of the second sheet;the reservoir of each heat pipe containing the heat pipe fluid, each reservoir includes a hot part for evaporating the heat pipe fluid and a cold part for condensing the heat pipe fluid, andeach of the reservoirs being formed in an interstice between the outer surface of the first sheet facing the inner surface of the second sheet,wherein the reservoir of at least two of the plurality of heat pipes are formed by the first sheet and the second sheet,wherein the cold parts of said at least two of the plurality of heat pipes are connected with each other and the hot parts of said at least two of the plurality of heat pipes are separated from each other. 2. The set according to claim 1, wherein the reservoirs of the heat pipes are hydraulically interlinked to form a single reservoir extending over the plurality of the heat pipes. 3. The set according to claim 1, wherein the sheets are metal sheets. 4. The set according to claim 3, wherein the metal sheets are made of aluminum. 5. The set according to claim 1, wherein at least two of the cold parts are connected via a connecting portion of the first sheet and the second sheet. 6. The set according to claim 1, wherein the first sheet and the second sheet are joined together along a width of the hot part except for the interstice forming the reservoir. 7. The set according to claim 1, wherein the hot part is flat and the first sheet is on top of the second sheet. 8. The set according to claim 1, wherein the first sheet and second sheet are joined by hot rolling. 9. The set according to claim 1, wherein the first sheet and the second sheet are joined by a diffusion weld. 10. A set of solar collectors, the set comprising a plurality of solar collectors, each collector comprising: an outer tube of circular cross-section, having two ends and being closed at a first of its ends, a solar radiation absorption layer arranged inside the outer tube,a heat pipe of a set of heat pipes, wherein the set of heat pipes is in accordance with claim 1, said heat pipe being laid out in said solar collector, each outer tube being hermetically closed around the respective heat pipe at the second of its ends, and a vacuum being formed inside said outer tube. 11. The set of solar collectors according to claim 10, wherein each of the solar collectors additionally comprises an inner tube of circular cross-section, arranged inside the outer tube, each of the inner tube and the outer tube having a first end and a second end and being closed at the first ends, and the inner and outer tubes being sealed one to the other at the second ends, the inner and outer tubes being separated by vacuum. 12. A set of solar collectors according to claim 10, wherein the hot part of each heat pipe is in the shape of a half-cylinder. 13. The set of solar collectors according to claim 10, wherein the cold part of each heat pipe is suitable for being arranged in contact with a cylindrical pipe, and in that said cold part is in the shape of a half-cylinder. 14. The set of solar collectors according to claim 10, wherein the solar collectors are substantially parallel with one another, and in that the set of solar collectors includes at least one connecting bar interconnecting the solar collectors, said bar being arranged substantially perpendicularly to the solar collectors and in contact with each outer tube near its first end. 15. A system for producing hot water from solar energy comprising: a set of solar collectors in accordance with claim 10 suitable for heating a heat transfer fluid from solar energy, anda circuit for transporting the heat transfer fluid between the solar collectors and a hot water distributor. 16. The set of solar collectors according to claim 11, wherein the inner tube of each of the collectors includes an outer surface oriented towards the outer tube of said collector, and an inner surface, in that the absorption layer of said collector is arranged against said outer surface, and in that, for the hot part of the heat pipe of said collector, the reservoir is applied against said inner surface. 17. The set of solar collectors according to claim 12, wherein the cold part of each heat pipe is suitable for being arranged in contact with a cylindrical pipe, and in that said cold part is in the shape of a half-cylinder, and wherein an axis of the half-cylinder of the hot part of each heat pipe is different from an axis of the half-cylinder of the cold part of the corresponding heat pipe, and in that the heat pipe includes a narrowing of its circumferential or longitudinal width with respect to its width in the regular part of the hot and cold parts, between the hot part and the cold part forming a connecting joint. 18. A plant for generating electrical energy from solar energy comprising: a hot water production system in accordance with claim 15, a heat sink, and an electricity-producing thermodynamic machine, using the hot water produced by said system and the heat sink. 19. A method for manufacturing a set of heat pipes for solar collectors, comprising a plurality of heat pipes, the method including the steps of: assembling a first sheet and a second sheet forming between them a plurality of reservoirs of at least two heat pipes, while maintaining a connecting portion between two adjacent heat pipes among said at least two heat pipes, wherein each of the plurality of reservoirs being formed in an interstice between the outer surface of the first sheet facing the inner surface of the second sheet,cutting the set of heat pipes according to the external outline of each of hot parts, such that the hot parts of the heat pipes are separate and configured to be inserted into respective solar collectors, andfilling the reservoirs with a heat pipe fluid. 20. The method according to claim 19, wherein the reservoirs are filled from only one filling end. 21. The method according to claim 19, wherein the set of heat pipes includes including at least one temporary filling pipe, the at least one temporary filling pipe being laid out between two successive said reservoirs at cold parts, wherein the method includes, after the reservoirs are filled, the step of cutting the at least one temporary filling pipe and hermetically welding the heat pipes at the cut locations, such that the reservoirs are closed individually. 22. The method according to claim 19, further comprising the step of forming the hot parts into a desired shape. 23. The method according to claim 22, wherein shape of each of the hot parts is a half-cylinder. 24. The method according to claim 22, further comprising step of depositing a special ink on the first sheet according to a desired pattern for the reservoir of each of the heat pipe. 25. The method according to claim 24, wherein the step of depositing a special ink is done by screen printing.