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A pressing mold for automobile halogen lamp

A technology for pressing molds and halogen lamps, which is applied in the direction of incandescent lamps, incandescent lamp parts, electrical components, etc., which can solve the problems of short service life, explosion of lamp tube wall, and difficulty in divergence, so as to improve service life and increase inrush The effect of pressure and preventing bursting

Active Publication Date: 2015-10-28
无锡市峻光照明电器有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve this technical problem, firstly, by injecting high-pressure gas into the bulb of the same volume, the pressure is increased to reduce the divergence of tungsten molecules. The higher the pressure, the more tungsten molecules It is not easy to diverge, and the air pressure at room temperature is 12 atmospheres; while iodine and tungsten lamps can reach 50 atmospheres, but excessive pressure can cause the wall of the lamp tube to explode, which needs to be improved
[0005] Then consider changing the temperature T, but the temperature is related to the use environment of the bulb and cannot be changed arbitrarily, it is difficult to improve
[0006] Therefore, the existing automotive halogen lamps on the market all have the problem of short service life, which needs to be improved

Method used

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  • A pressing mold for automobile halogen lamp
  • A pressing mold for automobile halogen lamp
  • A pressing mold for automobile halogen lamp

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1: A halogen lamp for automobiles, including a lamp tube 001 and a filament 002 arranged in the lamp tube 001. The two pins of the filament 002 protrude from the lower end of the lamp tube 001 by welding the sealing part 003, and the upper end of the welding sealing part 003 The connection with the filament 002 is a smooth connection surface 031, and there are bumps 032 between the pins of the filament 002 on the connection surface 031.

Embodiment 2

[0026] Embodiment 2: A mold for pressing a halogen lamp of an automobile, including two butted modules (004, 005) on the left and right sides, the butted ends of the left and right modules (004, 005) are respectively provided with a matching groove 041 and a bump 051, The protruding length of the bump 051 is shorter than the depth of the groove, and the butt joint forms a closed notch 006. The width of the closed notch 006 is 2.8~3.2mm. The grooves of the left and right modules (004, 005) 041 and bump 051 are arranged in the center of the module, and the center of the upper surface of the left and right modules (004, 005) has a bar-shaped chute (042, 052) that runs through each other, and each chute of the left and right modules (004, 005) (042, 052) are equipped with a strip slider (043, 053) that can be inserted into it to slide left and right, and the sliders (043, 053) are provided with through holes for fastening the slider and the chute bolt (421, 521), the butt ends of ...

Embodiment 3

[0027] Embodiment 3: Referring to Embodiment 2, the groove 041 is a two-layer stepped notch, the bump 052 is a two-layer stepped bump, the center of the upper groove bottom has a gap, and the center of the upper bump has a corresponding The gap, the groove 041 and the bump 042 are butted to form a stepped closed notch 006, the width of the upper groove is 1.8~2.4mm, and the width of the lower groove is 2.8~3.2mm.

[0028] serial number Closed notch width (mm) The distance between the butt joint surfaces of two sliders (mm) Atmospheric pressure (mpa) service life (h) Example 1 2.8 1.8 110 700 Example 2 2.9 2.0 90 600 Example 3 3.0 2.2 70 650 Example 4 3.2 2.4 50 660

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Abstract

An automobile halogen lamp comprises a lamp tube and a lamp filament arranged in the lamp tube. Two lead feet of the lamp filament stretch out from a burn-weld sealing part on the lower end of the lamp tube. The automobile halogen lamp is characterized in that the joint of the upper end of the burn-weld sealing part and the lamp filament is a smooth connecting plane. Lugs are arranged between the lead feet of the lamp filament on the connecting plane. Area of thrust surface of the joint of the upper end of the burn-weld sealing part of the lamp tube and the lamp filament can be changed through preparing a compacting die of the automobile halogen lamp. Grooves and lugs connected in a matching mode are respectively arranged on abutting joint ends of a left module and a right module. Protruding length of the lugs is shorter than groove depth of the grooves, and the lugs and the grooves form a closed notch in an abut joint mode, and thereby achieving the upper limit of improving crushing pressure intensity, preventing the lamp tube from bursting, and then prolonging service life of the automobile halogen lamp.

Description

technical field [0001] The invention relates to the field of automobile halogen lamp manufacturing, in particular to an automobile halogen lamp and a pressing mold thereof. Background technique [0002] Halogen is a group VIIA element in the periodic table of chemical elements (IUPAC new regulation: group 17). The shape of automotive halogen lamps is generally a small quartz glass tube. Compared with incandescent lamps, its particularity lies in the fact that the tungsten filament can "self-regenerate". In fact, the filament and glass shell of this lamp are filled with some halogen elements, such as iodine and bromine. When the filament heats up, tungsten atoms are evaporated and move towards the glass tube wall. As they approach the glass tube, the tungsten vapors are "cooled" to about 800°C and combine with halogen atoms to form tungsten halides (tungsten iodide, tungsten bromide). The tungsten halide moves toward the center of the glass tube and falls onto the corroded...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01K1/38H01K3/20
Inventor 季敏
Owner 无锡市峻光照明电器有限公司
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