CN219203095U

CN219203095U - Krypton-85-free double-end ceramic metal halide lamp

Info

Publication number: CN219203095U
Application number: CN202123245513.3U
Authority: CN
Inventors: 顾荣; 周华娣
Original assignee: Nanjing Gaoxin Jingwei Electric Co ltd
Current assignee: Nanjing Gaoxin Jingwei Electric Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2023-06-16
Anticipated expiration: 2031-12-22

Abstract

The utility model discloses a krypton-85-free double-end ceramic metal halide lamp, which belongs to the technical field of electricity and comprises a quartz lamp tube, wherein a first arc tube and a second arc tube are arranged in the quartz lamp tube, the first arc tube and the second arc tube are installed in series through a metal sleeve, a first molybdenum sheet and a second molybdenum sheet are respectively arranged at two ends of the quartz lamp tube, the first arc tube is connected with the first molybdenum sheet through a first U-shaped niobium clamp, the second arc tube is connected with the second molybdenum sheet through a second U-shaped niobium clamp, a first fixing sheet fixed on the inner wall of the quartz lamp tube is arranged at the left end of the first arc tube, a second fixing sheet fixed on the inner wall of the quartz lamp tube is arranged at the right end of the second arc tube, and the first fixing sheet and the second fixing sheet are connected through metal wires. The utility model generates an electric field between the fixing sheets to help start, so that the metal halogen lamp can be started quickly under the condition of not charging krypton-85, and the utility model has the advantages of environmental protection and low cost.

Description

Krypton-85-free double-end ceramic metal halide lamp

Technical Field

The utility model relates to the technical field of electricity, in particular to a krypton-85-free double-end ceramic metal halide lamp.

Background

The ceramic metal halide lamp is a gas discharge lamp, is a novel light source developed on the basis of the manufacturing technology of a quartz metal halide lamp and a high-pressure sodium lamp, has the advantages of long service life, high light efficiency, good color rendering, stable light color and the like, and is widely applied to the fields of plant cultivation and the like;

to improve the starting performance and the light parameters of ceramic metal halide lamps, a trace amount of krypton-85 (KR 85) gas is added into the filling gas of the arc tube, and krypton-85 is a low-toxicity radioactive element which exists in the lamp in the form of a pre-ionization agent, and can increase initial electrons in the arc tube and promote ionization of argon, so that the starting performance of the metal halide lamp is obviously improved, the service life of the lamp is prolonged, however, the krypton-85 can release trace amount of radioactive substances into the environment, so that environmental pollution is caused, and the cost is increased, so that the performance of the lamp is ensured, and the krypton-85 is replaced by other modes.

Disclosure of Invention

The present utility model is directed to providing a krypton-85 free double-ended ceramic metal halide lamp in order to solve the above-mentioned problems.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the krypton-85-free double-end ceramic metal halide lamp comprises a quartz lamp tube, a first arc tube and a second arc tube are arranged in the quartz lamp tube, the first arc tube and the second arc tube are installed in series through a metal sleeve, a first molybdenum sheet and a second molybdenum sheet are respectively arranged at two ends of the quartz lamp tube, the first arc tube is connected with the first molybdenum sheet through a first U-shaped niobium clamp, the second arc tube is connected with the second molybdenum sheet through a second U-shaped niobium clamp, a first fixing piece fixed on the inner wall of the quartz lamp tube is arranged at the left end of the first arc tube, a second fixing piece fixed on the inner wall of the quartz lamp tube is arranged at the right end of the second arc tube, the first fixing piece and the second fixing piece are connected through a metal wire, and the middle section of the metal wire is in a spiral structure.

Preferably, the first molybdenum sheet and the second molybdenum sheet are pressed and sealed at two ends of the quartz lamp tube.

Preferably, the first fixing piece and the second fixing piece are fixedly provided with a sheet getter, and the sheet getter is used for absorbing impurity gas in the quartz lamp tube and keeping the vacuum degree in the quartz lamp tube.

Preferably, the metal wire is made of nickel or niobium.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model connects the fixing plates arranged on the two arc tubes through the metal wire, generates an electric field between the fixing plates to help start, so that the metal halogen lamp can be started quickly under the condition of not charging krypton-85, and because one end of the middle of the metal wire is in a spiral structure, when the fixing plates are at the ignition point of the lamp, the fixing plates are easy to deform and shift due to the high-temperature effect, and the spiral structure in the middle of the metal wire has a buffer effect, thus the connection can prevent the fixing plates from shifting and prevent the fixing plates from generating large deformation and displacement.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

In the figure: 1. a quartz lamp tube; 2. a first arc tube; 3. a second arc tube; 4. a first molybdenum sheet; 5. a second molybdenum sheet; 6. a metal sleeve; 7. a first U-shaped niobium clip; 8. a second U-shaped niobium clip; 9. a first fixing piece; 10. a second fixing piece; 11. a wire; 12. a sheet-like getter.

Detailed Description

The utility model is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to FIG. 1, the utility model provides a krypton-85-free double-end ceramic metal halide lamp, which comprises a quartz lamp tube 1, wherein a first arc tube 2 and a second arc tube 3 are arranged in the quartz lamp tube 1, the first arc tube 2 and the second arc tube 3 are arranged in series through a metal sleeve 6, two ends of the quartz lamp tube 1 are respectively provided with a first molybdenum sheet 4 and a second molybdenum sheet 5, and the first molybdenum sheet 4 and the second molybdenum sheet 5 are pressed and sealed at two ends of the quartz lamp tube 1;

the first arc tube 2 is connected with the first molybdenum sheet 4 through a first U-shaped niobium clamp 7, the second arc tube 3 is connected with the second molybdenum sheet 5 through a second U-shaped niobium clamp 8, the left end of the first arc tube 2 is provided with a first fixing sheet 9 fixed on the inner wall of the quartz tube 1, the right end of the second arc tube 3 is provided with a second fixing sheet 10 fixed on the inner wall of the quartz tube 1, the first fixing sheet 9 and the second fixing sheet 10 are connected through a metal wire 11, the middle section of the metal wire 11 is in a spiral structure, the metal wire 11 is made of nickel or niobium, an electric field is formed in a small range, namely, an electric field is formed between the fixing sheets, discharge is generated, the aim of assisting starting is achieved, krypton-85 is not needed, and because the middle end of the metal wire 11 is in a spiral structure, when the fixing sheets are at the ignition point of the lamp, high temperature effect easily causes deformation and displacement of the fixing sheets, and the spiral structure in the middle of the metal wire 11 has a buffering effect, so that the connection can prevent the fixing sheets from displacement and large deformation and displacement of the fixing sheets;

a sheet getter 12 is fixedly arranged on the first fixing piece 9 and the second fixing piece 10, and the sheet getter 12 is used for absorbing impurity gas in the quartz lamp tube 1 and keeping the vacuum degree in the quartz lamp tube 1;

when the arc tube is particularly used, the fixing plates arranged on the two arc tubes are connected through the metal wire 11, an electric field is generated between the fixing plates to help start, so that the metal halogen lamp can be started quickly under the condition of not charging krypton-85, and the arc tube has the characteristics of environmental protection, simple structure and low cost.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments shown and described herein, and that the embodiments shown and described herein may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a krypton-85-free double-end ceramic metal halide lamp, its characterized in that includes quartz fluorescent tube (1), be provided with first electric arc tube (2) and second electric arc tube (3) in quartz fluorescent tube (1), install in series through metal sleeve (6) between first electric arc tube (2) and second electric arc tube (3), the both ends of quartz fluorescent tube (1) are provided with first molybdenum piece (4) and second molybdenum piece (5) respectively, be connected through first U type niobium clamp (7) between first electric arc tube (2) and first molybdenum piece (4), second electric arc tube (3) are connected with second molybdenum piece (5) through second U type niobium clamp (8), first electric arc tube (2) left end is provided with first stationary blade (9) of fixing at quartz fluorescent tube (1) inner wall, second electric arc tube (3) right-hand member is provided with second stationary blade (10) of fixing at quartz fluorescent tube (1) inner wall, be connected through first U type niobium clamp (7) between first stationary blade (9) and second stationary blade (10) wire (11), the wire is a spiral structure.

2. The krypton-85 free double-ended ceramic metal halide lamp of claim 1, wherein: the first molybdenum sheet (4) and the second molybdenum sheet (5) are pressed and sealed at two ends of the quartz lamp tube (1).

3. The krypton-85 free double-ended ceramic metal halide lamp of claim 1, wherein: the first fixing piece (9) and the second fixing piece (10) are fixedly provided with a sheet-shaped getter (12), and the sheet-shaped getter (12) is used for absorbing impurity gas in the quartz lamp tube (1) and keeping the vacuum degree in the quartz lamp tube (1).

4. The krypton-85 free double-ended ceramic metal halide lamp of claim 1, wherein: the metal wire (11) is made of nickel or niobium.