CN105158179A - Light source module of analyzer - Google Patents
Light source module of analyzer Download PDFInfo
- Publication number
- CN105158179A CN105158179A CN201510308066.1A CN201510308066A CN105158179A CN 105158179 A CN105158179 A CN 105158179A CN 201510308066 A CN201510308066 A CN 201510308066A CN 105158179 A CN105158179 A CN 105158179A
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- Prior art keywords
- light
- light source
- source module
- face
- analyser
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- 239000013074 reference sample Substances 0.000 claims abstract description 30
- 239000000523 sample Substances 0.000 claims abstract description 13
- 230000003287 optical effect Effects 0.000 claims abstract description 8
- 230000005855 radiation Effects 0.000 claims abstract description 8
- 238000004458 analytical method Methods 0.000 claims abstract description 6
- 239000002775 capsule Substances 0.000 claims description 17
- 238000005245 sintering Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 5
- 229910052724 xenon Inorganic materials 0.000 claims description 3
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention provides a light source module of an analyzer. The light source module comprises a light source which is used for providing optical radiation for the light source module and a beam splitting piece which is used for carrying out beam splitting on the optical radiation emitted by the light source so as to produce beam split light, wherein the beam split light comprise at least measuring light and at least one beam of reference light, the path of the at least one beam of reference light is provided with a capsule-like reference sample cell, the measuring light is used for analyzing a sample, and the reference light is used for assistant analysis of the sample. By improving the design of the reference cell and changing the transmission direction of the light, the light source module of the analyzer is more compact and simple in design and cost is reduced.
Description
Technical field
The present invention relates to a kind of spectral analysis field, be especially applied to spectroanalysis instrument light source module.
Background technology
At present, analyser light source module, its reference cell as shown in Figure 1, is made up of, after accommodating reference sample end face 1, end face 2, side 3, air intake opening 4, gas outlet 5, air intake opening 4 and gas outlet 5 seal, there is the problem of following two aspects: one is that reference cell volume is large, and light beam from reference cell end face 1 and end face 2 through, reference cell is longer, cause whole light source module volume large, design not compact; Two are, reference cell two is connected by gluing or glass envelope mode between end face with side, and processing technology is complicated, and especially when side, gas reference pond is different from face material, because material expansion coefficient is different, by influence of temperature change, poor reliability, easily leaks gas.
Summary of the invention
In order to solve the problem, the invention provides that a kind of compact to design, processing technology is simple, the analyser light source module of high reliability.
The present invention proposes a kind of analyser light source module: as shown in Figure 2, comprises light source 13, for providing optical radiation for light source module; Beam splitting chip 17, carries out beam splitting for the optical radiation sent by light source, produces beam splitting light; Described beam splitting light comprises measures light and at least a branch of reference light, at least a branch of described reference path is provided with capsule shape reference sample pond 16, and described measurement light is for analyzing sample, and described reference light is used for assistant analysis sample.
Described light source 13 is wherein any one or several combinations of laser, LED, xenon lamp, infrared light supply, super-radiation light source, SLED, wideband light source.
It is non-parallel that described beam splitting chip 17 at least comprises the first logical light face 18 and the second logical light face, logical light face 19, first 18 and the second logical light face 19.
Preferably, the different reference lighies that different described logical light face reflects to form are detected by different photo detecting units, produce photosignal.The reference light 22 reflected to form by the first logical light face 18 is detected by photo detecting unit 12, and the reference light 21 reflected to form by the second logical light face 19 is detected by photo detecting unit 14.
As shown in Figure 3, described capsule shape reference sample pond 16 comprises the space 11 of at least one end face 9, at least one side 10 and accommodating reference sample, and described reference light is from the side 10 through the space 11 of accommodating reference sample.
The side 10 in described capsule shape reference sample pond 16 includes but not limited to cylindric, multiaspect shape.
Preferably, described end face 9 is sealed end, and described side 10 is logical light face.
Preferably, described sealed end is that sintering forms, and described sintering is individual devices melting under the heating of thermal source, the technique that individual devices end face is closed.
Preparation technology's schematic diagram in described capsule shape reference sample pond 16 as shown in Figure 4, continuously reference sample enters from port 6, port 7 flows out, two ends melting under the heating of thermal source 8 in reference sample pond simultaneously, two ports are deformed into the end face shown in dotted line simultaneously under external force, become capsule shape, form capsule shape reference sample pond 16.
Compared with prior art, the invention has the beneficial effects as follows: the present invention is directly closed by sintering processing with reference to the two ends of sample cell, and technique is simple, and cost is low; In addition, side, light path self-reference pond process, reference cell is short, is conducive to analyser light source module structure compact to design.Thus the cost that above technical scheme has taken into account analyser reduces and structure optimization, can realize multiple reference light road under near condition.
Accompanying drawing explanation
Accompanying drawing 1 is existing reference sample pond schematic diagram.
Accompanying drawing 2 is that analyser light source module of the present invention and existing analyser light source module contrast schematic diagram.
Accompanying drawing 3 is analyser light source module capsule shape reference sample pond of the present invention schematic diagram.
Accompanying drawing 4 is analyser light source module capsule shape reference sample pond of the present invention preparation technology's schematic diagram.
Embodiment
Describe the present invention below with reference to embodiment shown in the drawings.But structure, method or conversion functionally that the those of ordinary skill that these embodiments do not limit field of the present invention is made according to these embodiments are all included in protection scope of the present invention.
As shown in Figure 2, Fig. 2 is that analyser light source module of the present invention and existing analyser light source module contrast schematic diagram, bold portion is prior art analyser light source module schematic diagram, dotted portion is analyser light source module schematic diagram of the present invention, in the specific embodiment of the invention, comprise light source 13, for providing optical radiation for light source module; Beam splitting chip 17, carries out beam splitting for the optical radiation sent by light source, produces beam splitting light; Described beam splitting light comprises measures light 23, reference light 21 and reference light 22, and wherein, described reference light 22 light path is provided with capsule shape reference sample pond 16, described measurement light 23 is for analyzing sample, and described reference light 21 and reference light 22 are for assistant analysis sample.
In the present embodiment, reference cell 15 is prior art reference sample pond schematic diagram, reference ray from end face through.
In a preferred embodiment, according to the service condition of light source module, a wherein road of reference light 21, reference light 22 only can be used.
In a preferred embodiment, described measurement light 23 is for analyzing concentration, temperature, the pressure and other parameters of sample, and described reference light 21, reference light 22 are for assistant analysis sample concentration, temperature, pressure and other parameters.Described assistant analysis comprises wavelength locking, correcting measured results, the change of elimination light intensity to functions such as the impacts of measurement result, to improve stability and the reliability of analyser.
In the present embodiment, reference light 22 directly reflects generation for incident light 20 is led to light face 18 by first; Reference light 21, for first incident light 20 reflects through the first logical light face 18, secondly reflect by the second logical light face 19, the light reflected is reflected rear generation by the first logical light face 18 again; Measure light 23 for incident light 20 reflect through the first logical light face 18 first, the second logical light face 19 produces after reflecting.
In a preferred embodiment, described reference light 21 can be detected by photo detecting unit 14 direct detection or after arranging reference sample pond.
In the present embodiment, described light source 13 is wherein any one or several combinations of laser, LED, xenon lamp, infrared light supply, super-radiation light source, SLED, wideband light source.
In the present embodiment, it is non-parallel that described beam splitting chip 17 at least comprises the first logical light face 18 and the second logical light face, logical light face 19, first 18 and the second logical light face 19.
In the present embodiment, the different reference lighies that different described logical light face reflects to form are detected by different photo detecting units, and produce photosignal, described photosignal is as the input of calculation sample concentration, temperature, pressure and other parameters.The reference light 22 reflected to form by the first logical light face 18 is detected by photo detecting unit 12, and the reference light 21 reflected to form by the second logical light face 19 is detected by photo detecting unit 14.
In the present embodiment, as shown in Figure 3, it is analyser light source module capsule shape reference sample pond of the present invention schematic diagram, described capsule shape reference sample pond 16 comprises the space 11 of at least one end face 9, at least one side 10 and accommodating reference sample, and described reference light is from the side 10 through the space 11 of accommodating reference sample.
In a preferred embodiment, the shape of cross section of the side 10 in described capsule shape reference sample pond 16 is the one in circle, ellipse, polygon.
In the present embodiment, described end face 9 is sealed end, and described side 10 is logical light face.
In the present embodiment, described sealed end is that sintering forms, and described sintering is individual devices melting under the heating of thermal source, the technique that individual devices end face is closed.
In the present embodiment, preparation technology's schematic diagram in described capsule shape reference sample pond 16 as shown in Figure 4, when reference sample is full of hollow space, two ends melting under the heating of thermal source 8 in reference sample pond, two ports are deformed into the end face shown in dotted line simultaneously under external force, become capsule shape, form capsule shape reference sample pond 16.
Compared with prior art, the invention has the beneficial effects as follows: the present invention is directly closed by sintering processing with reference to the two ends of sample cell, and technique is simple, and cost is low; In addition, side, light path self-reference pond process, reference cell is short, is conducive to analyser light source module structure compact to design.Thus the cost that above technical scheme has taken into account analyser reduces and structure optimization, can realize multiple reference light road under near condition.
Claims (7)
1. an analyser light source module,
Comprise light source, for providing optical radiation for light source module;
Beam splitting chip, carries out beam splitting for the optical radiation sent by light source, produces beam splitting light;
It is characterized in that, described beam splitting light comprises measures light and at least a branch of reference light, at least a branch of described reference path is provided with capsule shape reference sample pond, and described measurement light is for analyzing sample, and described reference light is used for assistant analysis sample.
2. a kind of analyser light source module according to claim 1, is characterized in that, described light source is wherein any one or several combinations of laser, LED, xenon lamp, infrared light supply, super-radiation light source, SLED, wideband light source.
3. according to the arbitrary described a kind of analyser light source module of claim 1 to 2, it is characterized in that, described beam splitting chip at least comprises the first logical light face and the second logical light face, and it is non-parallel that the first logical light face and second leads to light face.
4. a kind of analyser light source module according to claim 3, is characterized in that, the different reference lighies that different described logical light face reflects to form are detected by different photo detecting units, produce photosignal.
5. according to the arbitrary described a kind of analyser light source module of claim 1 to 2, it is characterized in that, described capsule shape reference sample pond comprises the space of at least one end face, at least one side and accommodating reference sample, and described reference light is from the side through the space of accommodating reference sample.
6. a kind of analyser light source module according to claim 5, is characterized in that, described end face is sealed end, and described side is logical light face.
7. a kind of analyser light source module according to claim 6, is characterized in that, described sealed end is that sintering forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510308066.1A CN105158179A (en) | 2015-06-08 | 2015-06-08 | Light source module of analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510308066.1A CN105158179A (en) | 2015-06-08 | 2015-06-08 | Light source module of analyzer |
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| CN105158179A true CN105158179A (en) | 2015-12-16 |
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| CN201510308066.1A Pending CN105158179A (en) | 2015-06-08 | 2015-06-08 | Light source module of analyzer |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86200489U (en) * | 1986-01-29 | 1987-10-03 | 四川大学 | Multifunctional interferometor |
| US5028800A (en) * | 1989-08-07 | 1991-07-02 | Bodenseewerk Perkin Elmer Gmbh | Two-beam photometer using specific beam chopper arrangement |
| CN1057337A (en) * | 1990-06-11 | 1991-12-25 | 哈特曼·布劳恩股份公司 | The method for making sample cell of a kind of luminosity or spectral measurement device |
| CN1616948A (en) * | 2004-12-01 | 2005-05-18 | 中国科学院上海技术物理研究所 | A device and method for measuring weak absorption of optical materials |
| US7003075B2 (en) * | 2002-07-12 | 2006-02-21 | Canon Kabushiki Kaisha | Optical measuring device |
| CN103499391A (en) * | 2013-09-06 | 2014-01-08 | 清华大学 | Spectrum measuring system |
| CN204731153U (en) * | 2015-06-08 | 2015-10-28 | 苏州谱道光电科技有限公司 | A kind of analyser light source module |
-
2015
- 2015-06-08 CN CN201510308066.1A patent/CN105158179A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86200489U (en) * | 1986-01-29 | 1987-10-03 | 四川大学 | Multifunctional interferometor |
| US5028800A (en) * | 1989-08-07 | 1991-07-02 | Bodenseewerk Perkin Elmer Gmbh | Two-beam photometer using specific beam chopper arrangement |
| CN1057337A (en) * | 1990-06-11 | 1991-12-25 | 哈特曼·布劳恩股份公司 | The method for making sample cell of a kind of luminosity or spectral measurement device |
| US7003075B2 (en) * | 2002-07-12 | 2006-02-21 | Canon Kabushiki Kaisha | Optical measuring device |
| CN1616948A (en) * | 2004-12-01 | 2005-05-18 | 中国科学院上海技术物理研究所 | A device and method for measuring weak absorption of optical materials |
| CN103499391A (en) * | 2013-09-06 | 2014-01-08 | 清华大学 | Spectrum measuring system |
| CN204731153U (en) * | 2015-06-08 | 2015-10-28 | 苏州谱道光电科技有限公司 | A kind of analyser light source module |
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Application publication date: 20151216 |