CN103337447A - A hollow cathode lamp apparatus - Google Patents
A hollow cathode lamp apparatus Download PDFInfo
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- CN103337447A CN103337447A CN2013102207454A CN201310220745A CN103337447A CN 103337447 A CN103337447 A CN 103337447A CN 2013102207454 A CN2013102207454 A CN 2013102207454A CN 201310220745 A CN201310220745 A CN 201310220745A CN 103337447 A CN103337447 A CN 103337447A
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- glass tube
- cathode lamp
- cushion block
- hollow cathode
- top end
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Abstract
The invention provides a hollow cathode lamp apparatus. The hollow cathode lamp can directly detect the content of low-melting point impurities in to-be-detected alloys with a precision degree of 0.00001%-0.0001% through the combination of a spectrometer inside the hollow cathode lamp The hollow cathode lamp apparatus is high in detection precision. The hollow cathode lamp apparatus comprises a glass tube, a top end cover, a cushion block, and a rear portion fixed block. The front end of the glass tube is provided with the top end cover. The rear end of the glass tube is provided with the cushion block. The cushion block is in fastening connection with the rear portion fixed block on the rear portion of the cushion block. The hollow cathode lamp apparatus is characterized in that: a graphite electrode is arranged inside the glass tube; the graphite electrode is connected to the front portion of the glass tube through a connecting rod; the rear portion of the glass tube is provided with a tungsten rod; the front portion of the tungsten rod is welded with a nickel piece structure; the rear end of the tungsten rod is inserted into the internal portion of the cushion block. An end of the graphite electrode, which faces the tungsten rod, is provided with a hollow object holding chamber. The to-be-detected alloy is arranged in the hollow object holding chamber. The internal portion of the glass tube is filled with inert gases.
Description
Technical field
The present invention relates to the technical field of metal spectrum analysis, be specially the hollow cathode lamp device.
Background technology
The main material of blade in the market, axle all is to be made of dystectic alloy, but in manufacturing process, some for example low-melting-point metal impurity such as tin, lead, bismuth can be sneaked in the inside of material, cause in blade, axle run up process, these low-melting-point metal impurity are fusing earlier, and then form the crack at blade, axle, cause the working life of these mechanical structures short.
So-called plasma source in spectrum analysis is often referred to a class charging source of similar flame in appearance.At present the most frequently used have three classes: i.e. induction coupled plasma torch (ICP), direct-current plasma bright eruption (DCP) and the microwave plasma torch (MIP) of inducting.For MIP, though allow micro-sampling, air consumption is little, and power is low, it is nonmetal easily to measure, and serious interference between, element poor to most metal detection limits, needs helium, so is mainly used in the detector of chromatography.This two classes plasma source of ICP and DCP has analytical performance preferably, all has been applied to Atomic Emission Spectrometer AES.But this two classes plasma source of existing ICP and DCP detects and is limited to 0.001% detection limit, and it can't detect for the foreign metal of low content more.And in existing spectrometer, hollow cathode lamp only plays luminous effect, and its effect is single.
Summary of the invention
At the problems referred to above, the invention provides the hollow cathode lamp device, its can by in hollow cathode lamp inside in conjunction with external spectrometer, directly detect the content of the low melting point impurity in the alloy to be detected, and its precision can reach 0.00001%～0.0001%, its accuracy of detection height.
The hollow cathode lamp device, its technical scheme is such: it comprises glass tube, top end cover, cushion block, the rear portion fixed block, the front end of described glass tube is provided with described top end cover, the rear end of described glass tube is provided with described cushion block, described cushion block is fastenedly connected the described rear portion fixed block at its rear portion, it is characterized in that: described glass tube inside is provided with graphite electrode, described graphite electrode connects the leading section of described glass tube by connecting rod, the rear portion of described glass tube is provided with tungsten bar, the front end of described tungsten bar has been welded to connect the nickel chip architecture, the rear end of described tungsten bar is plugged in described cushion block inside, end towards described tungsten bar of described graphite electrode is provided with hollow object placing cavity, place alloy to be detected in the described hollow object placing cavity, the inside of described glass tube is full of inert gas.
It is further characterized in that: the outer ring surface arranged outside of described glass tube has fixed lever, and the two ends of every described fixed lever connect described top end cover, cushion block respectively, and is fastenedly connected by hold-down screw;
Be provided with silicagel pad between the contact-making surface of described glass tube and described top end cover;
The front end of described connecting rod runs through described silicagel pad, top end cover, and the plug lid is loaded in the anterior suit hole of described top end cover, and described plug blocks the front portion of described connecting rod.
After adopting structure of the present invention, graphite electrode is as the negative electrode of hollow cathode lamp, place alloy to be detected in the hollow object placing cavity of graphite electrode, be welded with the tungsten bar of nickel chip architecture as anode, when between two-stage, applying high voltage, low-melting-point metal elder generation in the alloy to be detected is luminous, refractory metal is luminous afterwards, the spectrum luminous according to its metal passes through spectrometer analysis, can analyze the content of the low melting point impurity that draws alloy to be detected, and its precision can reach 0.00001%～0.0001%, the accuracy of detection height.
Description of drawings
Fig. 1 is stereogram structural representation block diagram of the present invention;
Fig. 2 is front view structural representation of the present invention.
Embodiment
See Fig. 1, Fig. 2, it comprises glass tube 1, top end cover 2, cushion block 3, rear portion fixed block 4, the front end of glass tube 1 is provided with top end cover 2, the rear end of glass tube 1 is provided with cushion block 3, cushion block 3 is fastenedly connected the rear portion fixed block 4 at its rear portion, glass tube 1 inside is provided with graphite electrode 5, graphite electrode 5 connects the leading section of glass tube 1 by connecting rod 6, the rear portion of glass tube 1 is provided with tungsten bar 7, the front end of tungsten bar 7 has been welded to connect nickel chip architecture 8, and the rear end of tungsten bar 7 is plugged in cushion block 3 inside, and the end towards tungsten bar 7 of graphite electrode 5 is provided with hollow object placing cavity 9, place alloy 14 to be detected in the hollow object placing cavity 9, the inside of glass tube 1 is full of inert gas.The outer ring surface arranged outside of glass tube 1 has fixed lever 10, and the two ends of every fixed lever 10 connect top end cover 2, cushion block 3 respectively, and is fastenedly connected by hold-down screw 11; Be provided with silicagel pad 12 between the contact-making surface of glass tube 1 and top end cover 2; The front end through-silicon rubber cushion 12 of connecting rod 6, top end cover 2, plug 13 lids are loaded in the anterior suit hole of top end cover 2, and plug 13 blocks the front portion of connecting rod 6.
Claims (4)
1. hollow cathode lamp device, it comprises glass tube, top end cover, cushion block, the rear portion fixed block, the front end of described glass tube is provided with described top end cover, the rear end of described glass tube is provided with described cushion block, described cushion block is fastenedly connected the described rear portion fixed block at its rear portion, it is characterized in that: described glass tube inside is provided with graphite electrode, described graphite electrode connects the leading section of described glass tube by connecting rod, the rear portion of described glass tube is provided with tungsten bar, the front end of described tungsten bar has been welded to connect the nickel chip architecture, the rear end of described tungsten bar is plugged in described cushion block inside, end towards described tungsten bar of described graphite electrode is provided with hollow object placing cavity, place alloy to be detected in the described hollow object placing cavity, the inside of described glass tube is full of inert gas.
2. hollow cathode lamp device according to claim 1, it is characterized in that: the outer ring surface arranged outside of described glass tube has fixed lever, and the two ends of every described fixed lever connect described top end cover, cushion block respectively, and is fastenedly connected by hold-down screw.
3. hollow cathode lamp device according to claim 2 is characterized in that: be provided with silicagel pad between the contact-making surface of described glass tube and described top end cover.
4. hollow cathode lamp device according to claim 3, it is characterized in that: the front end of described connecting rod runs through described silicagel pad, top end cover, and the plug lid is loaded in the anterior suit hole of described top end cover, and described plug blocks the front portion of described connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310220745.4A CN103337447B (en) | 2013-06-05 | 2013-06-05 | Hollow cathode lamp device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310220745.4A CN103337447B (en) | 2013-06-05 | 2013-06-05 | Hollow cathode lamp device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103337447A true CN103337447A (en) | 2013-10-02 |
| CN103337447B CN103337447B (en) | 2016-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310220745.4A Active CN103337447B (en) | 2013-06-05 | 2013-06-05 | Hollow cathode lamp device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103337447B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106855505A (en) * | 2016-12-29 | 2017-06-16 | 山东非金属材料研究所 | A kind of hollow cathode test device and method of testing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3851213A (en) * | 1971-10-28 | 1974-11-26 | Philips Corp | Arrangement for generating modulated atomic resonance |
| CN2105765U (en) * | 1991-12-09 | 1992-05-27 | 北京有色金属研究总院 | High quality hollow cathode lamp |
| CN2411468Y (en) * | 1999-12-29 | 2000-12-20 | 吴安林 | Multi-cathode element hollow cathode lamp |
| CN2749050Y (en) * | 2004-10-19 | 2005-12-28 | 北京同立在线系统集成有限公司 | Hollow cathode lamp |
| CN102184834A (en) * | 2011-04-21 | 2011-09-14 | 齐齐哈尔医学院 | Hollow cathode lamp and atomic absorption spectrometer manufactured by hollow cathode lamp |
| CN203367230U (en) * | 2013-06-05 | 2013-12-25 | 无锡市金义博仪器科技有限公司 | Hollow cathode lamp device, |
-
2013
- 2013-06-05 CN CN201310220745.4A patent/CN103337447B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3851213A (en) * | 1971-10-28 | 1974-11-26 | Philips Corp | Arrangement for generating modulated atomic resonance |
| CN2105765U (en) * | 1991-12-09 | 1992-05-27 | 北京有色金属研究总院 | High quality hollow cathode lamp |
| CN2411468Y (en) * | 1999-12-29 | 2000-12-20 | 吴安林 | Multi-cathode element hollow cathode lamp |
| CN2749050Y (en) * | 2004-10-19 | 2005-12-28 | 北京同立在线系统集成有限公司 | Hollow cathode lamp |
| CN102184834A (en) * | 2011-04-21 | 2011-09-14 | 齐齐哈尔医学院 | Hollow cathode lamp and atomic absorption spectrometer manufactured by hollow cathode lamp |
| CN203367230U (en) * | 2013-06-05 | 2013-12-25 | 无锡市金义博仪器科技有限公司 | Hollow cathode lamp device, |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106855505A (en) * | 2016-12-29 | 2017-06-16 | 山东非金属材料研究所 | A kind of hollow cathode test device and method of testing |
| CN106855505B (en) * | 2016-12-29 | 2023-07-21 | 山东非金属材料研究所 | Hollow cathode lamp testing device and testing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103337447B (en) | 2016-12-28 |
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