Thermally activated building panel

1. A thermally activated building panel ( 1 ) adapted to be mounted at a ceiling or wall of a room, comprising:

a metal plate ( 2 ) having a room-facing surface ( 3 ) and a building-facing surface ( 4 ), wherein the metal plate ( 2 ) is arranged within a frame ( 13 ) composed by profile members ( 14 ), wherein each profile member ( 14 ) has a rounded outer edge ( 15 ) connecting a room-facing side ( 16 ) of the profile member ( 14 ) with a building-facing side ( 17 ) of the profile member ( 14 ),

wherein a heat-exchanger tube ( 5 ) for conveying a cooling or heating medium is in conductive thermal contact with the building-facing surface ( 4 ) of the metal plate ( 2 ),

wherein a textile ( 9 ) is arranged on the room-facing surface ( 3 ) of the metal plate ( 2 ), the textile ( 9 ) having a first surface ( 10 ) generally contacting the metal plate ( 2 ) and a second surface ( 11 ) generally visible from said room, wherein the textile ( 9 ) is bent about the rounded outer edges ( 15 ) of the profile members ( 14 ), and wherein an edge ( 18 ) of the textile ( 9 ) is fixed resiliently by means of at least one spring member ( 19 ) to the building-facing side ( 17 ) of the profile members ( 14 ), wherein each edge ( 18 ) of the textile ( 9 ) is provided with a bracket ( 20 ) arranged in a track ( 21 ) in the building-facing side ( 17 ) of the corresponding profile member ( 14 ), and wherein the bracket ( 20 ) is spring-biased sideward in the track ( 21 ) in order to tension the textile ( 9 ) between opposed edges ( 12 ) of the metal plate ( 2 ), and

wherein the first surface ( 10 ) of the textile ( 9 ) is metallized with metal particles on the textile ( 9 ), and wherein the metal particles on the textile ( 9 ) contact the metal plate ( 2 ) by tensioning the textile ( 9 ), which is separate from the metal plate ( 2 ), between the opposed edges ( 12 ) of the metal plate ( 2 ).

2. A thermally activated building panel according to claim 1 , wherein the first surface ( 10 ) of the textile ( 9 ) is metallized by ion plating, electroplating or electroless plating.

3. A thermally activated building panel according to claim 1 , wherein the first surface ( 10 ) of the textile ( 9 ) is metallized by vacuum deposition.

4. A thermally activated building panel according to claim 1 , wherein the metal particles deposited on the textile ( 9 ) are aluminium.

5. A thermally activated building panel according to claim 1 , wherein the metal particles deposited on the textile ( 9 ) forms a metal coating integrated into a structure of the first surface ( 10 ) of the textile ( 9 ).

6. A thermally activated building panel according to claim 1 , wherein the metal particles deposited on the textile ( 9 ) forms a metal coating generally having a maximum thickness of less than 1000 micrometres.

7. A thermally activated building panel according to claim 1 , wherein the metal particles deposited on the textile ( 9 ) forms a metal coating generally having a minimum thickness of more than 500 nanometres.

8. A thermally activated building panel according to claim 1 , wherein the metal particles deposited on the textile ( 9 ) forms a metal coating having a weight of less than 300 milligrams per square metre.

9. A thermally activated building panel according to claim 1 , wherein the metal particles deposited on the textile ( 9 ) forms a metal coating having a weight of more than 100 micrograms per square metre.

10. A thermally activated building panel according to claim 1 , wherein the metal plate ( 2 ) is perforated to allow transmission of sound waves from the room into an acoustically absorptive panel behind.

11. A thermally activated building panel according to claim 1 , wherein the second surface ( 11 ) of the textile ( 9 ) is at least substantially free from the metal particles.

12. A thermally activated building panel ( 1 ) adapted to be mounted at a ceiling or wall of a room, comprising:

a metal plate ( 2 ) having a room-facing surface ( 3 ) and a building-facing surface ( 4 ), wherein the metal plate ( 2 ) is arranged within a frame ( 13 ) composed by profile members ( 14 ), wherein each profile member ( 14 ) has a rounded outer edge ( 15 ) connecting a room-facing side ( 16 ) of the profile member ( 14 ) with a building-facing side ( 17 ) of the profile member ( 14 ), wherein each edge ( 12 ) of the metal plate ( 2 ) is arranged in a recess ( 23 ) of a corresponding profile member ( 14 ) so that the room-facing surface ( 3 ) of the metal plate ( 2 ) is flush with a part ( 24 ) of the room-facing side ( 16 ) of said profile member ( 14 ) forming a smooth transition with the rounded outer edge ( 15 ) of said profile member ( 14 ),

wherein a heat-exchanger tube ( 5 ) for conveying a cooling or heating medium is in conductive thermal contact with the building-facing surface ( 4 ) of the metal plate ( 2 ),

wherein a textile ( 9 ) is arranged on the room-facing surface ( 3 ) of the metal plate ( 2 ), the textile ( 9 ) having a first surface ( 10 ) generally contacting the metal plate ( 2 ) and a second surface ( 11 ) generally visible from said room, wherein the textile ( 9 ) is bent about the rounded outer edges ( 15 ) of the profile members ( 14 ), and wherein an edge ( 18 ) of the textile ( 9 ) is fixed resiliently by means of at least one spring member ( 19 ) to the building-facing side ( 17 ) of the profile members ( 14 ), and

wherein the first surface ( 10 ) of the textile ( 9 ) is metallized with metal particles on the textile ( 9 ), and wherein the metal particles on the textile ( 9 ) contact the metal plate ( 2 ) by tensioning the textile ( 9 ), which is separate from the metal plate ( 2 ), between opposed edges ( 12 ) of the metal plate ( 2 ).

13. A thermally activated building panel according to claim 12 , wherein each profile member ( 14 ) does not extend across a plane of the room-facing surface ( 3 ) of the metal plate ( 2 ).

14. A thermally activated building panel ( 1 ) adapted to be mounted at a ceiling or wall of a room, comprising:

a metal plate ( 2 ) having a room-facing surface ( 3 ) and a building-facing surface ( 4 ), wherein the metal plate ( 2 ) is arranged within a frame ( 13 ) composed by profile members ( 14 ), wherein each profile member ( 14 ) has a rounded outer edge ( 15 ) connecting a room-facing side ( 16 ) of the profile member ( 14 ) with a building-facing side ( 17 ) of the profile member ( 14 ),

wherein a heat-exchanger tube ( 5 ) for conveying a cooling or heating medium is in conductive thermal contact with the building-facing surface ( 4 ) of the metal plate ( 2 ), and

wherein a textile ( 9 ) is arranged on the room-facing surface ( 3 ) of the metal plate ( 2 ), the textile ( 9 ) having a first surface ( 10 ) generally contacting the metal plate ( 2 ) and a second surface ( 11 ) generally visible from said room, wherein the textile ( 9 ) is bent about the rounded outer edges ( 15 ) of the profile members ( 14 ), and wherein an edge ( 18 ) of the textile ( 9 ) is fixed resiliently by means of at least one spring member ( 19 ) to the building-facing side ( 17 ) of the profile members ( 14 ), wherein each edge ( 18 ) of the textile ( 9 ) is provided with a bracket ( 20 ) arranged in a track ( 21 ) in the building-facing side ( 17 ) of the corresponding profile member ( 14 ), wherein the bracket ( 20 ) is spring-biased sideward in the track ( 21 ) in order to tension the textile ( 9 ) between opposed edges ( 12 ) of the metal plate ( 2 ), and

wherein the textile ( 9 ) is tensioned between the opposed edges ( 12 ) of the metal plate ( 2 ), and the first surface ( 10 ) of the textile ( 9 ) is metallized by deposition of metal particles on the textile ( 9 ).

15. A thermally activated building panel according to claim 14 , wherein each edge ( 12 ) of the metal plate ( 2 ) is arranged in a recess ( 23 ) of a corresponding profile member ( 14 ) so that the room-facing surface ( 3 ) of the metal plate ( 2 ) is flush with a part ( 24 ) of the room-facing side ( 16 ) of said profile member ( 14 ) forming a smooth transition with the rounded outer edge ( 15 ) of said profile member ( 14 ).