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A tungsten-based graphene gas electric light source electrode and its manufacturing method

A graphene and electric light source technology, applied in the field of electric light sources, can solve problems such as reducing the starting voltage, and achieve the effects of reducing the trigger voltage, reducing electrode sputtering, and prolonging the service life

Inactive Publication Date: 2017-06-16
魏颖
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In order to solve the problems existing in the existing gas electric light source electrodes, realize the long life of the gas electric light source electrodes, easily emit electrons, reduce the starting voltage and other excellent performances

Method used

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  • A tungsten-based graphene gas electric light source electrode and its manufacturing method
  • A tungsten-based graphene gas electric light source electrode and its manufacturing method

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Embodiment

[0024] Example: select a tungsten rod electrode wrapped with thorium tungsten alloy wire 3, in a certain space by chemical vapor deposition method, using carbon-containing gas such as methane as the carbon source, at 1300-1500 ° C for graphene thin film layer 4. Growth, the specific steps are as follows, step 1: surface pretreatment of thorium tungsten alloy wire 4 and tungsten rod 1, under the condition of 800-1000 ° C and no oxygen, the surface of thorium tungsten alloy wire 4 and tungsten rod 1 generates suitable carbon sites The time is 10-30 minutes; Step 2: Cool the thorium-tungsten alloy wire 4 and the tungsten rod 1 with carbon sites to 100-200°C; Step 3: Cool the thorium-tungsten alloy wire 4 with carbon sites And the tungsten rod 1 is heated to 1300-1500 ℃ again, and the carbon-containing gas such as methane is introduced, so that the carbon-containing gas such as methane is decomposed at high temperature, and carbon atoms are released. The time is 30-120 minutes. Th...

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Abstract

Disclosed are a tungsten-based graphene gas electric light source electrode and a method of making the same. Included are a tungsten rod, a niobium tungsten alloy lead, a tungsten thorium alloy wire and a grapheme thin film layer. The invention is characterized in that a main rod of the gas electric light source electrode is the tungsten rod; one end of the tungsten rod is connected with the niobium tungsten alloy lead; the other end of the tungsten rod is wound with tungsten thorium alloy wire; one grapheme thin film layer is attached onto the tungsten thorium alloy wire and a part of the tungsten rod; and further, the number of grapheme thin film layers is 1 to 20, preferably 10.

Description

technical field [0001] The present invention is in the field of electric light sources, in particular to a tungsten-based graphene gas electric light source electrode and a manufacturing method. Background technique [0002] Gas electric light source is a kind of electric light source that emits light by gas, metal vapor or mixed discharge of several gases and metal vapor, and converts electrical energy into light through gas discharge. There are many types of gas discharges, and the most commonly used are glow discharge and arc discharge. Glow discharges are commonly used in neon lights and indicator lights. The arc discharge can have a strong light output, and the lighting source uses arc discharge. Fluorescent lamps, high pressure mercury lamps, sodium lamps and metal halide lamps are the most widely used gas electric light sources for lighting. The gas electric light source has high conversion efficiency, stable power supply, convenient control and use, safety and rel...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01J61/04H01J9/02
Inventor 王干
Owner 魏颖
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