Gas discharge lamp, more particularly deuterium lamp
An electrode insert that has: (a) an intermediate wall made of an electrically insulating material, (b) a cathode-side assembly which is mounted on a front side of the intermediate wall and comprises a cathode, a cathode window and a light emission window, (c) an anode-side assembly which is mounted on a rear side of the intermediate wall and comprises an anode and at least one diaphragm, which together with the light emission window defines an optical axis along which a beam generated by discharge is emitted out of the light emission window, wherein at least the anode and the diaphragm are grouped to form a component ensemble, and wherein at least one retaining profile for retaining the component ensemble projects from the rear of the intermediate wall.
1. Gas discharge lamp, in particular deuterium lamp, having a gas-filled lamp bulb which surrounds an electrode insert, wherein the electrode insert comprises:
(a) a partition wall made of an electrically insulating material,
(b) a cathode-side assembly mounted on a front side of the partition wall and comprising a cathode, a cathode window and a light emission window,
(c) an anode-side assembly mounted on a rear side of the partition wall, comprising an anode and at least one diaphragm, which with the light emission window defines an optical axis along which a radiation generated by discharge is emitted from the light emission window,
wherein at least the anode and the at least one diaphragm are combined to form a component ensemble, and wherein at least one retaining profile for retaining the component ensemble projects from the rear side of the partition wall.
2. Gas discharge lamp according to claim 1 , wherein the component ensemble is designed as a component stack.
3. Gas discharge lamp according to claim 1 , wherein the component ensemble comprises at least two diaphragms.
4. Gas discharge lamp according to claim 3 , wherein at least one of the at least two diaphragms has a contact to an electrical connection pin.
5. Gas discharge lamp according to claim 2 , wherein the component stack has a stack height and a stack circumference, wherein the at least one retaining profile at least partially encloses the stack circumference over the stack height.
6. Gas discharge lamp according to claim 2 , wherein the component stack comprises a spring element which is designed to press the component stack against the partition wall.
7. Gas discharge lamp according to claim 2 , wherein the component stack comprises insulating elements and at least one spacing compensation element.
8. Gas discharge lamp according to claim 1 , wherein the at least one retaining profile comprises at least two tube-shell-shaped profile parts which are arranged around the optical axis with their open sides opposite one another.
9. Gas discharge lamp according to claim 1 , wherein the at least one diaphragm has integral spring elements.
10. Gas discharge lamp according to claim 9 , wherein the at least one diaphragm is designed as a diaphragm disk, and in that the integral spring elements are designed as flexible brackets created by peripheral disk-edge incisions on opposite sides of the diaphragm disk.
11. Gas discharge lamp according to claim 9 , wherein the integral spring elements are supported on the at least one retaining profile.
12. Gas discharge lamp according to claim 1 , wherein the partition wall and the at least one retaining profile are designed as one piece.
13. Gas discharge lamp according to claim 1 , wherein a mounting plate is arranged on the rear side of the partition wall, said mounting plate being provided with through-holes through which electrical connections are guided to the anode-side assembly.
14. Gas discharge lamp according to claim 13 , wherein retaining rods for mounting the electrode insert in the gas-filled lamp bulb engage in the mounting plate.
15. Gas discharge lamp according to claim 13 , wherein the mounting plate is connected to a hollow mounting base which in an installed state extends in a direction of a lamp foot of the gas discharge lamp.
16. Gas discharge lamp according to claim 15 , wherein the partition wall, the mounting plate and the hollow mounting base are designed as one piece.
17. Gas discharge lamp according to claim 2 , wherein the anode-side assembly comprises an anode housing which surrounds the at least one retaining profile and a component stack retained thereon, and in that the cathode-side assembly comprises a cathode housing for receiving the cathode.
18. Gas discharge lamp according to claim 17 , wherein the cathode housing is composed of a plurality of molded parts which are connected to one another by means of a plug-in connection, in particular an interlocking connection.
19. Gas discharge lamp according to claim 17 , wherein the cathode housing has bendable insertion tabs which correspond to longitudinal slots in the partition wall.
20. Gas discharge lamp according to claim 1 , wherein the partition wall consists of ceramic, in particular of aluminum oxide ceramic.
21. Gas discharge lamp according to claim 1 , wherein it comprises a glass foot plate mounted in the gas-filled lamp bulb, on which a plurality of retaining rods and a plurality of electrical connection pins are mounted, wherein the glass foot plate, the plurality of retaining rods and the plurality of electrical connection pins form a prefabricated assembly which is electrically and mechanically connected to the electrode insert.
22. Gas discharge lamp according to claim 1 , wherein the partition wall comprises the at least one retaining profile.