CN1048465A - Halogen-tungsten lamp for automobiles and process for sealing thereof - Google Patents
Halogen-tungsten lamp for automobiles and process for sealing thereof Download PDFInfo
- Publication number
- CN1048465A CN1048465A CN 90102907 CN90102907A CN1048465A CN 1048465 A CN1048465 A CN 1048465A CN 90102907 CN90102907 CN 90102907 CN 90102907 A CN90102907 A CN 90102907A CN 1048465 A CN1048465 A CN 1048465A
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- China
- Prior art keywords
- sealing
- glass
- lamp
- halogen
- tungsten halogen
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention belongs to the electric light source technology field, is about H P series glass automobile tungsten halogen lamp and process for sealing thereof.The cell-shell of this lamp adopts GG17 or Pyrex glass.The method of glass and lead-out wire (molybdenum rod) direct clamp under protective atmosphere is adopted in sealing-in, and the good air-tightness energy is arranged, and meets the IEC standard fully.This lamp low price, technology is simple, and work efficiency improves.Can replace present normally used H P series glass automobile tungsten halogen lamp.
Description
The utility model belongs to the electric light source technology field, is halogen-tungsten lamp for automobiles and process for sealing thereof about H series.
Adopt H series (H
1, H
2..., H
7) the automobile tungsten halogen lamp to substitute original common battery lamp be a much progress of automotive lighting technology, but deficiency is arranged also.Here, get most typical H
4Lamp is that example is illustrated.H
4Lamp is to meet the general in the world photometric standards of ECE() two filament automobile tungsten halogen lamps of light distribution requirements, structure is as shown in Figure 1.Its main silk 1 produces driving beam, and paranema 2 produces passing beam, its cell-shell 3 adopting quartz glass.In order to guarantee air-tightness, this lamp adopts molybdenum foil 4 and 3 sealing-ins of cell-shell glass, and 5 is the position of squeezing machine clamp.This automobile tungsten halogen lamp owing to use quartz glass, price comparison costliness, and will adopt the airtight connection of molybdenum foil and glass, promptly need with support 6 and lead-out wire molybdenum rod 7 respectively with molybdenum foil 4 spot welding, technology is complexity comparatively, machining accuracy is lower.
The objective of the invention is to propose the H series automobiles tungsten halogen lamp that the cheap hard glass material of a kind of price comparison is made cell-shell, propose a kind of simple process for sealing simultaneously corresponding to this lamp lens material.
The H P series glass automobile tungsten halogen lamp that the present invention proposes is formed through hermetic seal by glass cell-shell, filament, lead.It is characterized in that said cell-shell adopts GG17 glass or pyrex (Pyrex) glass.These glass low prices are less than 1/10th of quartz glass.
The coefficient of thermal expansion of quartz glass is than the little order of magnitude of molybdenum, and the differing less than a times of the coefficient of thermal expansion of GG17 glass or Pyrex glass and molybdenum.Therefore, the present invention proposes the technology of drawing lead-thin molybdenum rod and the direct sealing-in of cell-shell glass with lamp.Like this, not only save molybdenum foil, simplified process for sealing, and improved machining accuracy.Air-tightness meets the requirement of making lamp fully.The molybdenum rod diameter is generally 0.3～0.6mm.Here usual way is adopted in sealing-in, promptly uses squeezing machine in protective atmosphere (argon gas or nitrogen) sealing-in down.
The quartz glass automobile tungsten halogen lamp that the present invention is more common, technology is simple, and precision improves, and performance meets the ECE standard, and the cost reduction, has wide practical use.
The present invention also is applicable to other single-ended low-voltage halogen tungsten.
Embodiment is with H
4Halogen-tungsten lamp for automobiles is the example explanation; with overall diameter is that the GG17 glass cell-shell of 16mm and the filament that assembles are that the molybdenum rod of 0.5mm is used the squeezing machine clamp by treated diameter under protective atmosphere; on vacuum system, bulb is carried out bakeout degassing; charge into 5 atmospheric krypton gas and needed compound halogen tungsten circulation agent then simultaneously, the lamp of making as shown in Figure 2.Sample test the results are shown in following table, meets the IEC standard.
| Sample number | Test voltage (V) | Power (W) | Luminous flux (LM) | Life-span (H) |
| 1 | 13.2 | 73.5/66.0 | 1550/920 | ＞150 (main silks) |
| 2 | 13.2 | 73.0/66.5 | 1490/900 | ＞250(paranema) |
Annotate: power, light flux values are main silk/paranema order.
Accompanying drawing 1 is existing H
4The structure chart of halogen-tungsten lamp for automobiles.
Accompanying drawing 2 is H of the present utility model
4The structure chart of halogen-tungsten lamp for automobiles.
Claims (2)
1, H series automobiles tungsten halogen lamp is formed through hermetic seal by glass cell-shell, filament, lead-out wire (molybdenum rod), it is characterized in that said cell-shell adopts GG17 glass or Pyrex glass.
2, a kind of process for sealing of automobile tungsten halogen lamp utilizes squeezing machine sealing-in under protective atmosphere, by molybdenum rod and the direct sealing-in of glass, has save the molybdenum foil in the process for sealing when it is characterized in that sealing-in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90102907 CN1048465A (en) | 1990-07-21 | 1990-07-21 | Halogen-tungsten lamp for automobiles and process for sealing thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90102907 CN1048465A (en) | 1990-07-21 | 1990-07-21 | Halogen-tungsten lamp for automobiles and process for sealing thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1048465A true CN1048465A (en) | 1991-01-09 |
Family
ID=4877784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90102907 Pending CN1048465A (en) | 1990-07-21 | 1990-07-21 | Halogen-tungsten lamp for automobiles and process for sealing thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1048465A (en) |
-
1990
- 1990-07-21 CN CN 90102907 patent/CN1048465A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |