CN219203097U - Improved single-end high-voltage sodium lamp - Google Patents
Improved single-end high-voltage sodium lamp Download PDFInfo
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- CN219203097U CN219203097U CN202123244125.3U CN202123244125U CN219203097U CN 219203097 U CN219203097 U CN 219203097U CN 202123244125 U CN202123244125 U CN 202123244125U CN 219203097 U CN219203097 U CN 219203097U
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- metal frame
- arc tube
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- glass bulb
- sodium lamp
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
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Abstract
The utility model discloses an improved single-end high-voltage sodium lamp, which belongs to the technical field of electric technology and comprises a glass bulb, an arc tube, a metal frame, a stem, a lamp holder, a support, a spring piece, a getter, a bimetallic strip and a connecting band. The high-voltage sodium lamp can be quickly lightened through the bimetallic strip, has the advantages of good starting performance, strong stability and the like, and the porcelain tube does not need to be coated with metal wires, so that the production cost and difficulty are reduced, the product yield is improved, meanwhile, no metal wires are used for shielding, and the light output effect is better.
Description
Technical Field
The utility model relates to the technical field of electricity, in particular to an improved single-end high-pressure sodium lamp.
Background
The high-pressure sodium lamp is one kind of gas discharge lamp, emits golden white light when in use, has the advantages of high luminous efficiency, low power consumption, long service life, strong fog penetrating capability, no insect attracting and the like, is widely applied to the fields of roads, highways, airports, wharfs, yard illumination, plant cultivation and the like, and generates electric arcs between electrodes at two ends of an electric arc tube after the bulb is started, sodium amalgam in the tube is heated and evaporated into mercury vapor and sodium vapor due to the high temperature effect of the electric arcs, electrons emitted by a cathode impact atoms of discharge substances in the process of moving to the anode, so that the electrons obtain energy to generate ionization excitation, then the ionization state is returned to a stable state, or the ionization state is changed to the excitation state, and then the basic level is subjected to infinite circulation, and the redundant energy is released in a light radiation mode, so that light is generated;
in order to achieve better lighting effect and longer service life of the high-pressure sodium lamp, buffer gas with higher pressure is filled in the arc tube, however, under certain external conditions, the higher the pressure of the buffer gas is, the more difficult the bulb is to be lighted, so as to help the lamp to start, the distance between electrodes can be reduced or ignition aid can be used, wherein the antenna is often the method of choice;
the conventional antenna is to coat a metal wire on an arc tube, when a lamp is started, electrodes at two ends in the arc tube perform effective electron emission in cooperation with the electric field action of a metal coil, thereby generating light, and the generated light effectively enters a discharge space of a bulb, so that the effect of promoting the starting of the bulb is achieved, but the process of coating the metal wire on the arc tube is complicated, so that the cost is increased, and meanwhile, the metal wire coated on the arc tube blocks the light, so that the light output is reduced.
Disclosure of Invention
The present utility model aims to solve the above-mentioned problems by providing an improved single-ended high pressure sodium lamp.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides an improved generation single-end high-voltage sodium lamp, includes glass envelope, electric arc tube, metal framework, stem, lamp holder, support, spring leaf, getter, bimetallic strip and connecting band, the lamp holder sets up the one end at the glass envelope, be provided with the stem on the lamp holder, the electric arc tube sets up in the glass envelope, the one end of electric arc tube passes through connecting band and metal framework fixed connection, the other end of electric arc tube passes through the support to be connected to on the first pin of stem, the both ends of electric arc tube are provided with the niobium pipe, two an electrode is connected respectively to the niobium pipe, be provided with bimetallic strip between metal framework and the electric arc tube, the one end fixed welding of bimetallic strip is on metal framework, and the other end of bimetallic strip is hugged closely on the electric arc tube.
Preferably, the metal frame is arranged in the glass bulb, one end of the metal frame is fixed on the second pin of the core column, the other end of the metal frame is connected with the arc tube through the connecting belt, the metal frame is fixed in the glass bulb through the spring pieces, and the two spring pieces are symmetrically arranged.
Preferably, the metal frame is fixedly provided with a plurality of getters, and the getters are used for absorbing impurity gases in the lamp tube and keeping the vacuum degree in the lamp tube.
Preferably, the glass bulb is in a tubular hollow structure, and the arc tube, the metal frame and the connecting belt are all positioned in the glass bulb.
Preferably, the middle part of the spring piece is fixedly connected with the metal frame, and the two end parts of the spring piece are extruded on the inner wall of the glass shell.
Compared with the prior art, the utility model has the following beneficial effects:
the high-voltage sodium lamp can be quickly lightened through the bimetallic strip, has the advantages of good starting performance, strong stability and the like, and the porcelain tube does not need to be coated with metal wires, so that the production cost and difficulty are reduced, the product yield is improved, meanwhile, no metal wires are used for shielding, and the light output effect is better.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of an arc tube of the present utility model;
fig. 3 is a schematic view of a bi-metallic strip of the present utility model;
FIG. 4 is a schematic view of a spring plate according to the present utility model.
In the figure: 1. a glass envelope; 2. an arc tube; 3. a lamp base; 4. a stem; 5. a metal frame; 6. a bracket; 7. a connecting belt; 8. a spring piece; 9. a getter; 10. bimetallic strips; 21. a niobium tube; 22. an electrode.
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. 1-4, the utility model provides an improved single-end high-pressure sodium lamp, which comprises a glass shell 1, an arc tube 2, a metal frame 5, a stem 4, a lamp cap 3, a bracket 6, a spring piece 8, a getter 9, a bimetallic strip 10 and a connecting belt 7, wherein the lamp cap 3 is arranged at one end of the glass shell 1, the stem 4 is arranged on the lamp cap 3, the arc tube 2 is arranged in the glass shell 1, one end of the arc tube 2 is fixedly connected with the metal frame 5 through the connecting belt 7, the other end of the arc tube 2 is connected to a first pin of the stem 4 through the bracket 6, niobium tubes 21 are arranged at two ends of the arc tube 2, two niobium tubes 21 are respectively connected with an electrode 22, a bimetallic strip 10 is arranged between the metal frame 5 and the arc tube 2, one end of the bimetallic strip 10 is fixedly welded on the metal frame 5, and the other end of the bimetallic strip 10 is tightly attached to the arc tube 2;
as shown in fig. 1, a metal frame 5 is arranged in a glass bulb 1, one end of the metal frame 5 is fixed on a second pin of a core column 4, the other end of the metal frame 5 is connected with an arc tube 2 through a connecting belt 7, the metal frame 5 is fixed in the glass bulb 1 through spring pieces 8, and the two spring pieces 8 are symmetrically arranged;
as shown in fig. 1, a plurality of getters 9 are fixedly arranged on a metal frame 5, the getters 9 are used for absorbing impurity gas in a lamp tube and keeping vacuum degree in the lamp tube, a glass bulb 1 is of a tubular hollow structure, an arc tube 2, the metal frame 5 and a connecting belt 7 are all positioned in the glass bulb 1, the middle part of a spring piece 8 is fixedly connected with the metal frame 5, two end parts of the spring piece 8 are extruded on the inner wall of the glass bulb 1, the spring piece 8 has elasticity, and when a high-pressure sodium lamp is ignited to generate a large amount of heat, the spring piece 8 can play a role in buffering when the metal frame 5 expands;
specifically, after the high-voltage sodium lamp is turned on, the high-voltage sodium lamp generates high-frequency pulse high voltage, the bimetallic strip 10 directly connected with the metal frame 5 and the electrode 22 close to the bimetallic strip generate electric arcs, the generated electric arcs enhance the electron emission of the electrodes 22 at the two ends of the arc tube 2, so that the whole lamp can be smoothly lightened, the bimetallic strip 10 is a composite material formed by layering two metals of manganese-nickel-copper alloy and nickel-iron alloy, because the thermal expansion coefficients of the two metals are different, when the temperature changes, the deformation of the expansion coefficient is higher than that of the expansion coefficient, when the high-voltage sodium lamp is not in a working state, the bimetallic strip 10 is attached to the arc tube 2 and is in a conducting state, when the high-voltage sodium lamp is electrified by a ballast circuit, the temperature gradually rises, the increased ambient temperature can lead the bimetallic strip 10 to be jumped off, and the electrode 22 is prevented from being always in an electrified working state, the service life of the high-voltage sodium lamp is prolonged, the structure is simplified, the production cost and the difficulty is reduced, and the light output effect is better.
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 (5)
1. The utility model provides an improved generation single-end high pressure sodium lamp, its characterized in that, including glass bulb (1), electric arc tube (2), metal frame (5), stem (4), lamp holder (3), support (6), spring leaf (8), getter (9), bimetallic strip (10) and connecting band (7), lamp holder (3) set up the one end at glass bulb (1), be provided with stem (4) on lamp holder (3), electric arc tube (2) set up in glass bulb (1), the one end of electric arc tube (2) is through connecting band (7) and metal frame (5) fixed connection, the other end of electric arc tube (2) is connected to on the first pin of stem (4) through support (6), the both ends of electric arc tube (2) are provided with niobium pipe (21), two electrode (22) are connected respectively to niobium pipe (21), be provided with bimetallic strip (10) between metal frame (5) and electric arc tube (2), the one end of bimetallic strip (10) is fixed on metal frame (5), and the other end is hugged closely on electric arc tube (2).
2. An improved single ended high pressure sodium lamp as defined in claim 1 wherein: the metal frame (5) is arranged in the glass bulb (1), one end of the metal frame (5) is fixed on a second pin of the core column (4), the other end of the metal frame (5) is connected with the arc tube (2) through the connecting belt (7), the metal frame (5) is fixed in the glass bulb (1) through the spring pieces (8), and the two spring pieces (8) are symmetrically arranged.
3. An improved single ended high pressure sodium lamp as defined in claim 1 wherein: the metal frame (5) is fixedly provided with a plurality of getters (9), and the getters (9) are used for absorbing impurity gas in the lamp tube and keeping the vacuum degree in the lamp tube.
4. An improved single ended high pressure sodium lamp as defined in claim 1 wherein: the glass bulb (1) is of a tubular hollow structure, and the arc tube (2), the metal frame (5) and the connecting belt (7) are all positioned in the glass bulb (1).
5. An improved single-ended high pressure sodium lamp as defined in any one of claims 1-4 wherein: the middle part of the spring piece (8) is fixedly connected with the metal frame (5), and two end parts of the spring piece (8) are extruded on the inner wall of the glass bulb (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202123244125.3U CN219203097U (en) | 2021-12-22 | 2021-12-22 | Improved single-end high-voltage sodium lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202123244125.3U CN219203097U (en) | 2021-12-22 | 2021-12-22 | Improved single-end high-voltage sodium lamp |
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CN219203097U true CN219203097U (en) | 2023-06-16 |
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CN202123244125.3U Active CN219203097U (en) | 2021-12-22 | 2021-12-22 | Improved single-end high-voltage sodium lamp |
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CN (1) | CN219203097U (en) |
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2021
- 2021-12-22 CN CN202123244125.3U patent/CN219203097U/en active Active
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