Cooling air gathering plate
A cooling air gathering plate for enhancing a cooling effect of a projector lamp is disclosed. The gathering plate has a notch to collect the cooling air at a lampwick, a welding point of the lamp, and/or any high temperature position of the lamp. A center line of the gathering plate matches together with an axis of the lamp. The gathering plate can be fixed on the lamp, a lamp reflector, or a holder for fixing the gathering plate to guide the cooling air passing through the high temperature position of the lamp.
1. A projector lamp module, comprising:
a lamp reflector;
a projector lamp inside the lamp reflector,
a gathering plate, being installed inside the lamp reflector and located on a plane of an axis of the lamp, wherein when viewing from a front side of the lamp reflector, the gathering plate and a flowing direction of a cooling air form an angle between 0 and 180 degrees; and
a notch, being formed on the gathering plate to accommodate the lamp.
2. The projector lamp module of claim 1 , wherein the projector lamp has at least a high-temperature point and the notch covers the high-temperature point.
3. The projector lamp module of claim 1 , wherein the gathering plate is fixed on the projector lamp.
4. The projector lamp module of claim 1 , wherein the gathering plate is fixed on the lamp reflector.
5. The projector lamp module of claim 1 , wherein the gathering plate contains a holder to fix the gathering plate.
6. The projector lamp module of claim 1 , wherein the gathering plate includes a transparent material.
7. The projector lamp module of claim 1 , wherein the gathering plate includes a metal.
8. The projector lamp module of claim 1 , wherein the gathering plate includes a non-metal material.