Lamp tip anti-oxidation structure of gas discharge lamp

Abstract

The utility model discloses a lamp tip anti-oxidation structure of a gas discharge lamp, which comprises a molybdenum wire, the outer surface of the molybdenum wire is coated with a high-temperature-resistant anti-oxidation layer, a sleeve is arranged outside the high-temperature-resistant anti-oxidation layer, and the periphery of the sleeve is coated with a ceramic adhesive layer. The molybdenum wire is coated with the high-temperature-resistant anti-oxidation layer, so that the molybdenum wire can isolate oxygen, oxidation is avoided, and the molybdenum wire does not need to be cooled by blowing air; furthermore, a sleeve and a ceramic adhesive layer are arranged outside the high-temperature-resistant anti-oxidation layer, so that the mechanical strength of the conductive wire wrapping structure can be improved, and the high-temperature-resistant anti-oxidation layer is prevented from being broken.

Description

Technical Field

[0001] This utility model relates to the field of lighting technology, specifically to an anti-oxidation structure for the tip of a gas discharge lamp. Background Technology

[0002] Stage projection lights are a type of gas discharge lamp. Currently available gas discharge lamps mainly consist of a reflector, a lamp core, and a ceramic head. The lamp core is composed of molybdenum wire, and a duct and cooling fan are installed at the front end of the core. When the beam lamp is working, the cooling fan needs to blow air onto the lamp tip. If the temperature at the lamp tip is too high, the molybdenum wire in the core will break due to oxidation. However, while the cooling fan continuously blows air to cool the lamp core, some of this airflow can enter the reflector, causing a drop in temperature inside. This prevents the high-temperature tungsten vapor inside the lamp bulb from reacting with the halogen gas to form a halogen-tungsten cycle, causing it to adhere to the inner wall of the lamp bulb glass, resulting in blackening and reducing the lamp bulb's lifespan. Without using a cooling fan to blow air onto the molybdenum wire, oxidation of the molybdenum wire cannot be prevented. Utility Model Content

[0003] To address the existing problems, this utility model provides an anti-oxidation structure for the tip of a gas discharge lamp, thereby solving the aforementioned issues.

[0004] An anti-oxidation structure for the tip of a gas discharge lamp includes: a molybdenum wire, the outer surface of which is covered with a high-temperature resistant anti-oxidation layer, a sleeve provided outside the high-temperature resistant anti-oxidation layer, and the outer periphery of the sleeve being covered with a ceramic adhesive layer.

[0005] In one possible implementation, a first conductive wire is welded to the front end of the molybdenum wire, the lower part of the first conductive wire is disposed within the high-temperature resistant and anti-oxidation layer, and the upper part is disposed between the sleeve and the ceramic adhesive layer.

[0006] In one possible implementation, a second conductive wire is welded to the upper part of the first conductive wire, and the connection between the second conductive wire and the first conductive wire is between the ceramic adhesive layer and the sleeve.

[0007] In one possible implementation, a reflector bowl is included, on which a heat insulation sheet is disposed, and the molybdenum wire passes through the heat insulation sheet.

[0008] In one possible implementation, the heat insulation sheet is one of square sheets, circular sheets, spaced strips, or woven strips.

[0009] In one possible implementation, the heat insulation sheet is a constant-temperature glass sheet, and the surface of the constant-temperature glass sheet is coated with a heat insulation film.

[0010] Compared with the prior art, the present invention has the following advantages:

[0011] By coating the molybdenum wire with a high-temperature resistant and anti-oxidation layer, the molybdenum wire can be isolated from oxygen and prevent oxidation, eliminating the need for air cooling. Furthermore, by adding a sleeve and a ceramic adhesive layer outside the high-temperature resistant and anti-oxidation layer, the mechanical strength of the coated conductive wire structure can be improved, preventing the high-temperature resistant and anti-oxidation layer from breaking. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model;

[0013] Figure 2 for Figure 1 Enlarged view of section A. Detailed Implementation

[0014] The embodiments of this disclosure will now be described in detail with reference to the accompanying drawings.

[0015] The following specific examples illustrate the implementation of this disclosure. Those skilled in the art can easily understand other advantages and effects of this disclosure from the content disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of this disclosure, and not all of them. This disclosure can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this disclosure. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in this disclosure, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this disclosure.

[0016] It should be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of this disclosure. The illustrations only show the structures related to this disclosure and are not drawn according to the actual number, shape and size of the structures in the actual implementation. In the actual implementation, the form, quantity and proportion of each structure can be arbitrarily changed, and its structural layout may also be more complex.

[0017] Furthermore, specific details are provided in the following description to facilitate a thorough understanding of the examples. However, those skilled in the art will understand that the described aspects can be practiced without these specific details.

[0018] like Figure 1 and 2As shown, this utility model provides an anti-oxidation structure for the tip of a gas discharge lamp, including a reflector bowl 8, a molybdenum wire 1 inside the reflector bowl 8, a heat insulation sheet 7 on the reflector bowl 8, the molybdenum wire 1 passing through the heat insulation sheet 7, the outer surface of the molybdenum wire 1 being covered with a high-temperature resistant anti-oxidation layer 2, and a sleeve 3 outside the high-temperature resistant anti-oxidation layer 2, the outer periphery of the sleeve 3 being covered with a ceramic adhesive layer 4. A first conductive wire 5 is welded to the front end of the molybdenum wire 1, the lower part of the first conductive wire 5 being located within the high-temperature resistant anti-oxidation layer 2, and the upper part being located between the sleeve 3 and the ceramic adhesive layer 4. That is, the connection between the first conductive wire 5 and the molybdenum wire 1 is located within the high-temperature resistant anti-oxidation layer 2, ensuring that the molybdenum wire 1 is completely covered by the high-temperature resistant anti-oxidation layer 2. A second conductive wire 6 is welded to the upper part of the first conductive wire 5, and the connection between the second conductive wire 6 and the first conductive wire 5 is located between the ceramic adhesive layer 4 and the sleeve 3.

[0019] In this invention, the high-temperature resistant anti-oxidation layer 2 can be a glaze layer, wherein the glaze is one or more of porcelain glaze, ceramic glaze, and stoneware glaze. The ceramic adhesive layer 4 uses high-temperature resistant silicate-based adhesive, etc. The first conductive wire 5 can be a nickel wire, and the second conductive wire 6 can be a nickel-chromium wire; the molybdenum wire, nickel wire, and nickel-chromium wire are welded to form the anode of the gas discharge lamp structure. Because the molybdenum wire is coated with glaze, it is isolated from the air and will not undergo oxidation at high temperatures to generate molybdenum trioxide. The sleeve 3 can be a quartz sleeve, which forms the first layer of protection for the high-temperature resistant anti-oxidation layer 2. The ceramic adhesive layer 4 has high hardness, which can form the second layer of protection for the high-temperature resistant anti-oxidation layer 2 and further prevent air from entering the surface of the molybdenum wire. The high-temperature resistant anti-oxidation layer 2 covering the anode can be generated by dry electrostatic glazing, etc. The ceramic adhesive layer 4 can be formed by coating the outer surface of the sleeve 3, nickel wire, and nickel-chromium wire with a high-temperature resistant inorganic ceramic adhesive (such as a high-temperature resistant silicate-based adhesive) and then curing it.

[0020] The heat insulation sheet 7 can be one of the following: square sheet, circular sheet, spaced strip sheet, or woven strip sheet. The heat insulation sheet 7 can be made of constant temperature glass. The surface of the heat insulation sheet 7 is coated with a heat insulation film, and heat insulation sheet 7 is also provided with heat dissipation holes for dissipating heat from the reflector bowl 8.

[0021] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0022] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A structure for preventing oxidation of a pin of a gas discharge lamp, characterized by comprising: include: Molybdenum wire (1), the outer surface of the molybdenum wire (1) is covered with a high temperature resistant and anti-oxidation layer (2), the high temperature resistant and anti-oxidation layer (2) is provided with a sleeve (3), and the outer periphery of the sleeve (3) is covered with a ceramic adhesive layer (4).

2. A structure for preventing oxidation of a pin of a gas discharge lamp according to claim 1, wherein The first conductive wire (5) is welded to the front end of the molybdenum wire (1). The lower part of the first conductive wire (5) is located inside the high-temperature resistant anti-oxidation layer (2), and the upper part is located between the sleeve (3) and the ceramic adhesive layer (4).

3. A structure for preventing oxidation of a pin of a gas discharge lamp according to claim 2, wherein A second conductive wire (6) is welded to the upper part of the first conductive wire (5), and the connection between the second conductive wire (6) and the first conductive wire (5) is located between the ceramic adhesive layer (4) and the sleeve (3).

4. A structure for preventing oxidation of a pin of a gas discharge lamp according to claim 3, wherein It includes a reflector bowl (8), on which a heat insulation sheet (7) is provided, and the molybdenum wire (1) passes through the heat insulation sheet (7).

5. A structure for preventing oxidation of a pin of a gas discharge lamp according to claim 4, wherein The heat insulation sheet (7) is one of the following: square sheet, round sheet, spaced strip sheet, or woven strip sheet.

6. A structure for preventing oxidation of a pin of a gas discharge lamp according to claim 5, wherein The heat insulation sheet (7) is a constant temperature glass sheet, and the surface of the constant temperature glass sheet is coated with a heat insulation film.

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