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Method for welding filament and molybdenum sheets of automobile halogen lamp

A welding method and halogen lamp technology, applied in the direction of electrical components, etc., can solve the problems of high price, high production cost, inconvenience of platinum or tantalum sheets, etc., achieve low price, reduce production cost, and have economical effects

Inactive Publication Date: 2017-12-29
常熟林芝电子技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The former is essentially a negative measure without countermeasures. Although the latter is a positive measure, there are two shortcomings: one, because the prices of metal platinum and metal tantalum are very expensive, resulting in a significant increase in production costs ; Its diplatinum or tantalum sheet is very inconvenient in actual operation, especially under automatic welding conditions

Method used

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  • Method for welding filament and molybdenum sheets of automobile halogen lamp

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] See figure 1 , showing a filament 1, a molybdenum rod 2 and a pair of molybdenum sheets 3 of the structural system of an automobile halogen lamp, a pair of molybdenum sheets 3 are electrically connected between the filament 1 and the molybdenum rod 2, the filament and the molybdenum sheet provided by the present invention The welding method includes the following steps:

[0023] A) preparing a transition welding suspension, mixing 1 part of niobium powder with 90 parts of gasoline in proportions by weight to obtain a transition welding suspension;

[0024] B) Welding, the transitional welding suspension obtained by step A) is first dipped by the manipulator and coated on a pair of molybdenum sheets 3 for the welding spot 31 of the aforementioned filament 1 and molybdenum rod 2 to be welded thereto, and then by resistance welding The aforementioned filament 1 and the aforementioned molybdenum rod 2 are welded and connected to a pair of molybdenum sheets 3 at positions c...

Embodiment 2

[0028] Only change the diameter of the niobium powder to 90-98 μm; change the parts by weight of gasoline to 110; change the diameter of the tungsten wire to 100 μm; change the thickness of a pair of molybdenum sheets 3 to 30 μm. All the other are the description of embodiment 1.

Embodiment 3

[0030] Only change the diameter of the niobium powder to 80-85 μm; change the parts by weight of gasoline to 100; change the diameter of the tungsten wire to 80 μm; change the thickness of a pair of molybdenum sheets 3 to 25 μm. All the other are the description of embodiment 1.

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Abstract

The invention discloses a method for welding the filament and the molybdenum sheets of an automobile halogen lamp and belongs to the technical field of automobile light source component manufacturing. The automobile halogen lamp comprises a filament, a molybdenum rod and a pair of molybdenum sheets. The pair of molybdenum sheets is electrically connected between the filament and the molybdenum rod. The welding method comprises the following steps of: mixing 1 part by weight of niobium powders and 90 to 110 parts by weight of organic solvent to obtain a transitional welding suspension; dipping a mechanical arm into the transitional welding suspension and coating the welding positions on the pair of molybdenum sheets for the filament and the molybdenum rod to be welded; and then enabling an automatic welder to weld the filament, the molybdenum rod and the pair of molybdenum sheets at the welding positions by using a electric resistance welding way. The method improves the reliable electrical connection between the filament and the molybdenum sheets, improves the electrical connection between the molybdenum rod and the pair of molybdenum sheets, and reduces production cost.

Description

technical field [0001] The invention belongs to the technical field of manufacturing automobile light source components, and in particular relates to a welding method for a filament and a molybdenum sheet of an automobile halogen lamp. Background technique [0002] There is no lack of technical information about halogen lamps for vehicles in the published Chinese patent documents, such as CN100538995C (metal halide lamp), CN101103436A (halogen lamp), CN101142654A (halogen lamp), CN101578685A (halogen incandescent lamp), CN203192768U (high performance long life-span halogen car lamp), CN102792418B (halogen lamp for car headlights), CN101447393B (a halogen lamp and its manufacturing method), CN102082066B (a class C halogen lamp), CN203192765U (a shock-resistant halogen car lamp) , CN103413753A (a single-ended halogen lamp with a bracket positioning hook), CN203744082U (a halogen lamp for vehicles), and CN204537986U (a halogen lamp for motor vehicles), etc. [0003] It can be ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01K3/02
CPCH01K3/02
Inventor 刘先德秦玉华
Owner 常熟林芝电子技术有限公司