Lamp and plenum for laminar air flow ceiling
A lamp having a first module for being attached to a ceiling or wall element, a second module connected to the first module and being rotatable with respect to the first module along a first axis, a third module having one or more light-emitting elements, the third module being connected to the second module and rotatable with respect to the second module along a second axis, the second axis being substantially perpendicular to the first axis.
1. A laminar air flow ceiling for an operating room comprising: a plenum providing a laminar air flow for the laminar air flow ceiling, the plenum defined by an upper horizontal wall, a lower horizontal wall, and one or more side walls, and a plurality of lamps arranged substantially within said plenum, wherein the lamps comprise: a first module; a second module connected to the first module and being rotatable with respect to the first module along a first axis; a third module comprising one or more light-emitting elements, the third module being connected to the second module and rotatable with respect to the second module along a second axis; the second axis being substantially perpendicular to the first axis; wherein the second module of the lamps comprises a mechanism for rotating the third module along said second axis, said mechanism substantially not protruding beyond the edges of the second module, wherein said second module of the lamps comprises a second motor having a second output shaft with a first pivot mounted at or near its end, a first end of a first rod connected at a first end of said first pivot, and a first end of a second rod connected at a second end of said first pivot, the second end of said first rod connected to a first end of a second pivot, and the second end of said second rod connected to a second end of the second pivot, said second pivot being mounted on a third shaft arranged along said second axis, such that said third shaft can be rotated by said second motor;
The plenum and plurality of lamps configured to maintain laminar air flow.
2. A laminar air flow ceiling according to claim 1 , wherein the second axes of the plurality of lamps lie substantially in a plane coinciding with the lower horizontal wall of the plenum.
3. A laminar air flow ceiling according to claim 1 , wherein the first modules of the plurality of lamps are mounted at the upper horizontal wall of the plenum.
4. A laminar air flow ceiling according to claim 1 , wherein a plurality of tubular elements are provided substantially within said plenum, each tubular element surrounding one of the lamps.
5. A laminar air flow ceiling according to claim 4 , wherein said tubular elements are mounted at a first end to the upper wall of the plenum, and are mounted at a second end to the lower wall of the plenum.
6. A laminar air low ceiling according to claim 1 , wherein said lower wall of the plenum comprises a plurality of rectangular lower wall elements.
7. A laminar air low ceiling according to claim 6 , wherein one or more of said lower wall segments comprise a cut-out adapted to substantially fit one of the lamps.
8. A laminar air flow ceiling according to claim 7 , wherein said cut-out is provided in a corner area of a rectangular lower wall element.
9. A laminar air low ceiling according to claim 1 , wherein each of said plurality of lamps comprises a substantially semi-spherical cover.
10. A laminar air flow ceiling according to claim 1 , wherein said first axis of the lamps is an axis perpendicular to the upper wall.
11. A laminar air flow ceiling according to claim 1 , wherein said first module of the lamps comprises a first motor having a first output shaft with a first gearing,
said first gearing meshing with gearing arranged on the second module.
12. A laminar air flow ceiling according to claim 1 , wherein said third module comprises a plurality of LEDs.