CN203838063U - Spark stand of spectrograph - Google Patents
Spark stand of spectrograph Download PDFInfo
- Publication number
- CN203838063U CN203838063U CN201420204185.3U CN201420204185U CN203838063U CN 203838063 U CN203838063 U CN 203838063U CN 201420204185 U CN201420204185 U CN 201420204185U CN 203838063 U CN203838063 U CN 203838063U
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- light source
- spark table
- passage
- dustproof
- spark
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Abstract
The utility model provides a spark stand of a spectrograph. The spark stand comprises a spark stand body, light source channels, an argon gas channel and an excitation chamber arranged in the spark stand body, wherein the light source channels comprise the first light source channel and the second light source channel which are communicated with each other; one end of the first light source channel is provided with an optical lens, and one end of the second light source channel is connected with the excitation chamber; an inlet of the argon gas channel is communicated with the first light source channel, and an outlet of the argon gas channel is communicated with the excitation chamber; the joint between the first light source channel and the second light source channel is provided with a dustproof light-transmitting assembly; the dustproof light-transmitting assembly comprises a light-transmitting lens and vent holes for allowing argon gas to pass through. The spark stand of the spectrograph can ensure that the optical lens has a better dust removal effect.
Description
Technical field
The utility model relates to field of photoelectric technology, relates in particular to a kind of spark table of spectrometer.
Background technology
Spectrometer is a kind of analytical instrument of measuring the chemical composition content of reguline metal.Spectral instrument can be widely used in the fields such as smelting iron and steel, casting, machine-building and teaching and scientific research.
Spark table is an important component part of spectrometer, the element light source that is used to the light-splitting chamber of spectrometer to provide tested metal to produce when electrode excites.Spark table comprises that can be filled with argon gas also can make electrode inspire the excitation chamber of spark.In excitation chamber, be provided with the light source passage that is communicated to light-splitting chamber, in light source passage, be provided with optical lens, optical lens should keep cleaning, dustless, logical light is good, plays again the effect that cuts off light-splitting chamber and spark table.For exciting under the duty of electrode of spark, constantly purge and remove the metal micronic dust being produced by electrode and tested intermetallic interaction by argon gas.
Defect and problem that the structural design of tradition spark table exists are as follows:
1, the micronic dust producing when exciting spark, easily by light source channel flow and be attached on optical lens surface, affects the transmittance of optical lens;
2, for the position of entrance of ar gas passage that purges optical lens apart from optical lens is far away and ar gas passage complications are very long, be difficult to reach the effect of the metal micronic dust that purges optical lens surface attachment;
3, the outlet of above-mentioned ar gas passage arrange improper, with the same side that is positioned at spark table together with the entrance of ar gas passage, make excitation chamber and electrode, with the outlet of ar gas passage and entrance in the region of a relative side because distance can not get effective cleaning.
Utility model content
Existing spark table has the problem that optical lens can not obtain good dust removing effects.
In order to address the above problem, the utility model provides a kind of spark table of spectrometer, comprises spark table body, light source passage, ar gas passage and be arranged at the intrinsic excitation chamber of described spark table; Described light source passage comprises the first light source passage and the secondary light source passage of connection, one end of described the first light source passage arranges optical lens, one end of described secondary light source passage is connected with described excitation chamber, the entrance of described ar gas passage and described the first light source channel connection, the outlet of described ar gas passage is communicated with described excitation chamber; The junction of described the first light source passage and secondary light source passage arranges dustproof light-transmitting component, and described dustproof light-transmitting component comprises transmission lens and the air hole for argon gas is passed through.
In preferred scheme, the spark table of above-mentioned spectrometer also comprises lens plate assembly, yoke plate piece part, insulating barrier, spark table yoke plate and the dustproof printing opacity plate assembly connecting successively, and described dustproof printing opacity plate assembly is connected with spark table body; Described light source passage runs through described yoke plate piece part, insulating barrier, spark table yoke plate and dustproof printing opacity plate assembly.
In preferred scheme, described lens plate assembly is connected with light-splitting chamber assembly.
In preferred scheme, described optical lens is arranged on described lens plate assembly, and described dustproof light-transmitting component is arranged on described dustproof printing opacity plate assembly.
In preferred scheme, described dustproof printing opacity plate assembly is removably connected with spark table body with described spark table yoke plate.
In preferred scheme, the entrance of described ar gas passage is arranged on described yoke plate piece part, and the outlet of described ar gas passage is arranged on described spark table body.
In preferred scheme, in described spark table body, be provided with electrode group, for the location copper sheathing of fixing described electrode group and for connecting the pipe adapter of the outlet of described ar gas passage.
Spark table of the present utility model can guarantee that optical lens obtains better dust removing effects.
Accompanying drawing explanation
Fig. 1 is the front view of the spark table of the utility model embodiment;
Fig. 2 is the birds-eye perspective of spark table shown in Fig. 1;
Fig. 3 is the schematic diagram of the dustproof light-transmitting component of spark table shown in Fig. 1;
Fig. 4 is the side view of dustproof light-transmitting component shown in Fig. 3, does not comprise wave spring washer in figure;
Fig. 5 is the side perspective of spark table shown in Fig. 1.
Description of reference numerals:
1, light-splitting chamber assembly; 2, lens plate assembly; 3, yoke plate piece part; 4, the column assembly that is in the light; 5, insulating barrier; 6, spark table yoke plate; 7, dustproof printing opacity plate assembly; 8, electrode group; 9, location copper sheathing; 10, insulation underwire assembly; 11, pipe adapter; 12, tetrafluoro bush assembly; 13, spark table body; 14, gland bonnet assembly; 15, test metalwork; 16, pressing; 17, pressure rack assembly; 18, optical lens; 19, the first light source passage; 20, secondary light source passage; 21, ar gas passage entrance; 22, ar gas passage outlet; 23, dustproof light-transmitting component; 24, transmission lens; 25, air hole; 26, argon gas filtration membrane; 27, wave spring washer; 28, perforate; 29, excitation chamber.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figures 1 to 5, the spark table of the utility model embodiment comprises: spark table body 13, light source passage, ar gas passage and be arranged at the excitation chamber 29 in spark table body 13; Light source passage comprises the first light source passage 19 and the secondary light source passage 20 of connection, one end of the first light source passage 19 arranges optical lens 18, one end of secondary light source passage 20 is connected with excitation chamber 29, ar gas passage entrance 21 is communicated with the first light source passage 19, and ar gas passage outlet 22 is communicated with excitation chamber 29; The junction of the first light source passage 19 and secondary light source passage 20 arranges dustproof light-transmitting component 23, and dustproof light-transmitting component 23 comprises transmission lens 24 and the air hole 25 for argon gas is passed through.
The ar gas passage entrance of existing spark table and secondary light source channel connection, the junction of the first light source passage and secondary light source passage only arranges transmission lens, the dust that argon gas and excitation chamber produce can not enter the first light source passage, once occur that the bad problem of the first light source channel seal will make contamination by dust optical lens, affect spark table and normally work, and this spark table is also unfavorable for maintenance.
Spark table of the present utility model is communicated with ar gas passage entrance 21 with the first light source passage 19, argon gas can be cleared up the surface of optical lens 18, can utilize by air hole 25, to flow to the dust that the air-flow of secondary light source passage 20 stops excitation chamber to produce and enter the first light source passage 19 and be attached on optical lens 18.
Dustproof printing opacity plate assembly 7 comprises step circular hole, transmission lens 24 is fixed in step circular hole, air hole 25 along the negotiable argon gas of step circular hole circumference uniform distribution, arranges argon gas filtration membrane 26 on air hole 25, wave spring washer 27 is set on argon gas filtration membrane 26.Argon gas filtration membrane 26, for argon gas is filtered, is made by known materials, allow argon gas to pass through, but blocks dust is passed through; Wave spring washer 27 is close to argon gas filtration membrane 26, further plays the effect of blocks dust.Transmission lens 24 can guarantee that printing opacity is good, and air hole 25 guarantees that argon gas passes through smoothly.Perforate 28 is set on light source passage, perforate 28 is communicated with ar gas passage entrance 21, perforate 28 is changed to 10 millimeters to the distance of lens plate assembly 2 by existing 38 millimeters, province is except the argon gas spacer of former spark table, makes needn't pile warp argon gas spacer roundaboutly to advance, can directly purge rapidly optical lens 18 from the argon gas of ar gas passage entrance 21.
Spark table specifically comprises: the lens plate assembly 2 connecting successively, yoke plate piece part 3, insulating barrier 5, spark table yoke plate 6, dustproof printing opacity plate assembly 7 and spark table body 13; Lens plate assembly 2 is connected with light-splitting chamber assembly 1.Light source passage runs through yoke plate piece part 3, insulating barrier 5, spark table yoke plate 6 and dustproof printing opacity plate assembly 7; Optical lens 18 is arranged on lens plate assembly 2, and dustproof light-transmitting component 23 is arranged on dustproof printing opacity plate assembly 7; Ar gas passage entrance 21 is arranged on yoke plate piece part 3, and ar gas passage outlet 22 is arranged on spark table body 13.
In addition, dustproof printing opacity plate assembly 7, for being removably connected with spark table body 13 with spark table yoke plate 6, can unload dustproof printing opacity plate assembly 7 when needs clean, and the dustproof light-transmitting component 23 on dustproof printing opacity plate assembly 7 is cleaned easily.
In spark table body 13, be also provided with: electrode group 8, for the location copper sheathing 9 of fixed electorde group 8, insulation underwire assembly 10, for connecting the pipe adapter 11 of ar gas passage outlet 22, be arranged at the tetrafluoro bush assembly 12 on insulation underwire assembly 10, for sealing the gland bonnet assembly 14 of excitation chamber.Test metalwork 15 extend in excitation chamber 29, and excitation chamber 29 tops arrange the pressure rack assembly 17 with pressing 16, and pressure rack assembly 17 is connected with dustproof printing opacity plate assembly 7.
The column assembly 4 that is in the light is set in yoke plate piece part 3, and the setting of the column assembly 4 that is in the light is in order to get better light.
The ar gas passage entrance 21 of original spark table and ar gas passage outlet 22 are positioned at the same side of spark table, and the utility model improves, and as shown in Figure 4, ar gas passage entrance 21 and ar gas passage outlet 22 are arranged on the opposite side of spark table.In original spark table, argon gas can be divided into two argon gas stream paths when the excitation chamber 29, make excitation chamber 29 and electrode, export 22 regions in a relative side because distance can not get effective cleaning with ar gas passage entrance 21 and ar gas passage; As shown in Figure 2, argon gas enters after excitation chamber, from relative both sides through excitation chamber and flow out excitation chamber the argon gas stream path same length of process, can effectively bring into play argon purge and remove micronic dust effect, improve argon gas utilization factor, reach energy-saving and cost-reducing order ground.
Between perforate 28 and ar gas passage entrance 21, gas circuit plate valve is set, the argon purge process of flowing through: from the argon gas of gas circuit plate valve first through optical lens 18 and purge rapidly, again along light source channel flow, air hole 25 and the argon gas filtration membrane 26 of the dustproof light-transmitting component 23 of flowing through; Then flow into excitation chamber, cleaning electrode perimeter micronic dust, the useless argon gas of last dust-laden enters useless argon gas processor along ar gas passage outlet 22.
By the characteristic of above-mentioned improvement structure, strengthened the purging dust removing effects of argon gas to optical lens 18 surfaces and excitation chamber and electrode, reduced the pollution to optical lens 18 surfaces of the micronic dust that excites, effectively guaranteed the precision to metallic element constituent analysis, simultaneously because dustproof light-transmitting component 23 has stopped part dust, so reduce the consumption of argon gas, the demountable structure of dustproof printing opacity plate assembly 7 has facilitated maintenance.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all any modifications of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model within spirit of the present utility model and principle.
Claims (7)
1. a spark table for spectrometer, is characterized in that: comprise spark table body, light source passage, ar gas passage and be arranged at the intrinsic excitation chamber of described spark table; Described light source passage comprises the first light source passage and the secondary light source passage of connection, one end of described the first light source passage arranges optical lens, one end of described secondary light source passage is connected with described excitation chamber, the entrance of described ar gas passage and described the first light source channel connection, the outlet of described ar gas passage is communicated with described excitation chamber; The junction of described the first light source passage and secondary light source passage arranges dustproof light-transmitting component, and described dustproof light-transmitting component comprises transmission lens and the air hole for argon gas is passed through.
2. the spark table of a kind of spectrometer according to claim 1, it is characterized in that: also comprise the lens plate assembly, yoke plate piece part, insulating barrier, spark table yoke plate and the dustproof printing opacity plate assembly that connect successively, described dustproof printing opacity plate assembly is connected with spark table body; Described light source passage runs through described yoke plate piece part, insulating barrier, spark table yoke plate and dustproof printing opacity plate assembly.
3. the spark table of a kind of spectrometer according to claim 2, is characterized in that: described lens plate assembly is connected with light-splitting chamber assembly.
4. the spark table of a kind of spectrometer according to claim 2, is characterized in that: described optical lens is arranged on described lens plate assembly, and described dustproof light-transmitting component is arranged on described dustproof printing opacity plate assembly.
5. the spark table of a kind of spectrometer according to claim 4, is characterized in that: described dustproof printing opacity plate assembly is removably connected with spark table body with described spark table yoke plate.
6. the spark table of a kind of spectrometer according to claim 2, is characterized in that: the entrance of described ar gas passage is arranged on described yoke plate piece part, and the outlet of described ar gas passage is arranged on described spark table body.
7. the spark table of a kind of spectrometer according to claim 1, is characterized in that: in described spark table body, be provided with electrode group, for the location copper sheathing of fixing described electrode group and for connecting the pipe adapter of the outlet of described ar gas passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420204185.3U CN203838063U (en) | 2014-04-24 | 2014-04-24 | Spark stand of spectrograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420204185.3U CN203838063U (en) | 2014-04-24 | 2014-04-24 | Spark stand of spectrograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203838063U true CN203838063U (en) | 2014-09-17 |
Family
ID=51515887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420204185.3U Expired - Fee Related CN203838063U (en) | 2014-04-24 | 2014-04-24 | Spark stand of spectrograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203838063U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112088302A (en) * | 2018-05-04 | 2020-12-15 | 德国元素分析系统公司 | Spark emission spectrometer with separable spark chamber |
| WO2021089639A1 (en) * | 2019-11-05 | 2021-05-14 | Hitachi High-Tech Analytical Science GmbH | An easily adjustable optical emission spectrometer |
-
2014
- 2014-04-24 CN CN201420204185.3U patent/CN203838063U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112088302A (en) * | 2018-05-04 | 2020-12-15 | 德国元素分析系统公司 | Spark emission spectrometer with separable spark chamber |
| CN112088302B (en) * | 2018-05-04 | 2023-09-15 | 德国元素分析系统公司 | Spark emission spectrometer with separable spark chamber |
| WO2021089639A1 (en) * | 2019-11-05 | 2021-05-14 | Hitachi High-Tech Analytical Science GmbH | An easily adjustable optical emission spectrometer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20170424 |
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| CF01 | Termination of patent right due to non-payment of annual fee |