CN205229026U - Dualbeam ultra violet and visible spectrophotometer is kept watch on to high performance pulse xenon lamp proportion - Google Patents
Dualbeam ultra violet and visible spectrophotometer is kept watch on to high performance pulse xenon lamp proportion Download PDFInfo
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- CN205229026U CN205229026U CN201520734433.XU CN201520734433U CN205229026U CN 205229026 U CN205229026 U CN 205229026U CN 201520734433 U CN201520734433 U CN 201520734433U CN 205229026 U CN205229026 U CN 205229026U
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- monochromator
- xenon lamp
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- data acquisition
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Abstract
The utility model discloses a dualbeam ultra violet and visible spectrophotometer is kept watch on to high performance pulse xenon lamp proportion, it includes power module, light source module, monochromator, sample room, data acquisition unit and control processing unit, light source module gets into the monochromator for monochromator setting, the pulse light of production, the monochromator sets up for the sample room, and the light of production enters into the sample room, the data acquisition unit sets up for the sample room, light signal in the sample detecting room, control processing unit is control connection light source module, monochromator and data acquisition unit respectively, power module is the part power supply among the visible spectrophotometer. The utility model provides an it is thus clear that spectrophotometer is for prior art, it utilizes, and high stability pulse xenon lamp is small, pulse energy is high, the energy consumption is little, longe -lived, and the spectrum coverage is wide, and the characteristics need not not the light source switched make the optical property of product have promotion by a relatively large margin.
Description
Technical field
The utility model relates to a kind of spectrophotometer, is specifically related to a kind of Novel pulse xenon lamp ratio and monitors twin-beam ultraviolet-visible pectrophotometer.
Background technology
Spectrophotometer, also known as spectrometer (spectrometer), is by the light of complicated component, is decomposed into the scientific instrument of spectrum line.Measurement range generally comprises visible region that wavelength coverage is 380 ~ 780nm and wavelength coverage is the ultraviolet region of 200 ~ 380nm.Different light sources has its distinctive emission spectrum, and different luminophors therefore can be adopted as the light source of instrument.The emission spectrum of tungsten lamp: after the spectral light of 380 ~ 780nm wavelength that tungsten light source sends is reflected by prism, can obtain by blood orange, yellowish green, indigo, the continuous chromatography of purple composition; This chromatogram can be used as the light source of visible spectrophotometer.
But existing visible spectrophotometer is the following problem of ubiquity in the use procedure of reality: whole spectrophotometer volume is large, energy consumption is high and poor optical properties.
As can be seen here, a kind of volume is little, optical property is high visible spectrophotometer is provided to be the common technology means of this area.
Utility model content
The problems such as, poor optical properties large for the volume existing for existing visible spectrophotometer, the purpose of this utility model is to provide the high-performance pulse xenon lamp ratio that a kind of volume is little, optical property is high to monitor twin-beam ultraviolet-visible pectrophotometer.
In order to achieve the above object, the utility model adopts following scheme:
A kind of high-performance pulse xenon lamp ratio monitors twin-beam ultraviolet-visible pectrophotometer, and described visible spectrophotometer comprises power module, light source module, monochromator, sample chamber, data acquisition unit and controlled processing unit,
Described light source module is xenon flash light source module, and it is arranged relative to monochromator, and the pulse light of generation enters monochromator;
Described monochromator is arranged relative to sample chamber, and the light of generation enters into sample chamber;
Described data acquisition unit is arranged relative to sample chamber, detects light signal in sample chamber;
Described controlled processing unit is control linkage light source module, monochromator and data acquisition unit respectively;
Described power module is that the parts in visible spectrophotometer are powered.
Further, described monochromator is holographic flat field concave surface monochromator, coordinates combine primarily of concave grating and collimating mirror.
Further, described light source module comprises pulse xenon lamp and xenon source modulation circuit, described xenon source modulation circuit comprises single-chip microcomputer, control interface, D/A converting circuit, synchronous input circuit, power module, and wherein synchronous input circuit is connected with single-chip microcomputer; Single-chip microcomputer is connected with control interface, and described control interface connects with pulse xenon lamp; Single-chip microcomputer is connected with D/A converting circuit, and described D/A converting circuit connects with pulse xenon lamp.
Further, described data acquisition unit comprises solid-state detector and detection control circuit, described detection control circuit comprises accurate integrating amplification circuit, analog to digital conversion circuit, power module, single-chip microcomputer, Single-chip Controlling interface circuit, wherein accurate integrating amplification circuit is connected with solid-state detector with analog to digital conversion circuit respectively; Single-chip Controlling interface circuit is connected with single-chip microcomputer with analog to digital conversion circuit respectively.
Further, described controlled processing unit comprises computer for controlling and display.
Further, described visible spectrophotometer also comprises a housing, for settling power module, light source module, monochromator, sample chamber, data acquisition unit in described housing.
The visible spectrophotometer that the utility model provides is relative to prior art, it utilizes, and high stability pulse xenon lamp volume is little, pulse energy is high, energy consumption is little, the life-span is long, spectral coverage is wide, need not the feature that switches of light source, makes the optical property of product have lifting by a relatively large margin.
Accompanying drawing explanation
The utility model is further illustrated below in conjunction with the drawings and specific embodiments.
The structural representation of the pulse xenon lamp ratio supervision twin-beam ultraviolet-visible pectrophotometer that Fig. 1 provides for the utility model.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
See Fig. 1, the Novel pulse xenon lamp ratio that it is depicted as the utility model provides monitors the structural representation of twin-beam ultraviolet-visible pectrophotometer.
As seen from the figure, this visible spectrophotometer 100 mainly comprises power module 101, light source module 102, monochromator 103, sample chamber 104, data acquisition unit 105 and controlled processing unit (not shown).
Light source module 102 is xenon flash light source module, and it is arranged relative to monochromator 103, and the pulse light of generation is reflected by catoptron and enters in monochromator 103.
This light source module 102 specifically comprises pulse xenon lamp and xenon source modulation circuit, wherein xenon source modulation circuit gating pulse xenon lamp produces corresponding pulse light, and xenon source modulation circuit comprises single-chip microcomputer, control interface, D/A converting circuit, synchronous input circuit, power module, wherein synchronous input circuit is connected with single-chip microcomputer; Single-chip microcomputer is connected with control interface, and control interface connects with pulse xenon lamp; Single-chip microcomputer is connected with D/A converting circuit, and D/A converting circuit connects with pulse xenon lamp.
Monochromator 103, it is arranged relative to sample chamber 104, and the light of generation enters into sample chamber 104 and absorbs.
This monochromator is specially holographic flat field concave surface monochromator light, and this holographic flat field concave surface monochromator is adopt concave grating and collimating mirror to match the one dimension beam splitting system of composite design.Adopt holmium solution to carry out multiline wavelength location and dynamic calibration ensure accuracy and the reappearance of wavelength simultaneously simultaneously.
This holographic flat field concave surface monochromator specifically comprises: entrance slit, exit slit, grating, collimating mirror, and wherein, xenon flash light source enters monochromator by entrance slit, through collimating mirror, optical grating reflection, then enters into sample chamber by exit slit and absorbs.
Sample chamber 104, for placing detected sample.
Data acquisition unit 105, it is arranged relative to sample chamber, detects the light signal in sample chamber.
This data acquisition unit 105 mainly comprises solid-state detector and detection control circuit.Solid-state detector has been used for detection, and it, by compartition double-beam measurement light path, completes the light signal in sample chamber, and light signal is converted to electric signal.Detection control circuit, it controls the collection that solid-state detector completes data.
This detection control circuit includes accurate integrating amplification circuit, analog to digital conversion circuit, power module, single-chip microcomputer, Single-chip Controlling interface circuit, wherein the input end of accurate integrating amplification circuit connects the output terminal of solid-state detector, and its output terminal is connected with the input end of analog to digital conversion circuit, and the radiation signal after pulse xenon lamp amplifies is carried out analog to digital conversion; Single-chip Controlling interface circuit input end is connected with the output terminal of analog to digital conversion circuit, and its output terminal connects with single-chip data, is transferred to single-chip microcomputer after pulse xenon lamp radiation signal digital by shift register fashion.
In order to control volume and the cost of whole visible spectrophotometer, the single-chip microcomputer in the single-chip microcomputer in detection control circuit and xenon source modulation circuit, can adopt same single-chip microcomputer to realize.
Power module 101, for the parts in visible spectrophotometer are powered, concrete light source module 102, monochromator 103 and the data acquisition unit 105 given provides working power.
Controlled processing unit, its control linkage power module 101, light source module 102, monochromator 103, data acquisition unit 105, complete the collection of data, process and display.This controlled processing unit specifically comprises the computing machine and display with data processing function.The single-chip microcomputer in control linkage light source module 102 and data acquisition unit 105 distinguished by computing machine, and rotated by the grating in wavelength driven by motor monochromator 10.
This controlled processing unit is especially by the rotation of wavelength driven by motor grating, and carry out the corresponding switching of optical filter, light signal is converted to electric signal by high-performance solid-state detector, then is gathered by data acquisition system (DAS) simultaneously.
The visible spectrophotometer 100 formed thus, the modular setting of concrete employing, power module 101 wherein, light source module 102, monochromator 103, sample chamber 104, data acquisition unit 105 all adopt modular setting, and entirety match be placed in housing 106, ensure visible spectrophotometer 100 structural compactness and reliability thus.
More than show and describe ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. high-performance pulse xenon lamp ratio monitors a twin-beam ultraviolet-visible pectrophotometer, and it is characterized in that, described visible spectrophotometer comprises power module, light source module, monochromator, sample chamber, data acquisition unit and controlled processing unit,
Described light source module is xenon flash light source module, and it is arranged relative to monochromator, and the pulse light of generation enters monochromator;
Described monochromator is arranged relative to sample chamber, and the light of generation enters into sample chamber;
Described data acquisition unit is arranged relative to sample chamber, detects light signal in sample chamber;
Described controlled processing unit is control linkage light source module, monochromator and data acquisition unit respectively;
Described power module is that the parts in visible spectrophotometer are powered.
2. a kind of high-performance pulse xenon lamp ratio according to claim 1 monitors twin-beam ultraviolet-visible pectrophotometer, and it is characterized in that, described monochromator is holographic flat field concave surface monochromator, coordinates combine primarily of concave grating and collimating mirror.
3. a kind of high-performance pulse xenon lamp ratio according to claim 1 monitors twin-beam ultraviolet-visible pectrophotometer, it is characterized in that, described light source module comprises pulse xenon lamp and xenon source modulation circuit, described xenon source modulation circuit comprises single-chip microcomputer, control interface, D/A converting circuit, synchronous input circuit, power module, and wherein synchronous input circuit is connected with single-chip microcomputer; Single-chip microcomputer is connected with control interface, and described control interface connects with pulse xenon lamp; Single-chip microcomputer is connected with D/A converting circuit, and described D/A converting circuit connects with pulse xenon lamp.
4. a kind of high-performance pulse xenon lamp ratio according to claim 1 monitors twin-beam ultraviolet-visible pectrophotometer, it is characterized in that, described data acquisition unit comprises solid-state detector and detection control circuit, described detection control circuit comprises accurate integrating amplification circuit, analog to digital conversion circuit, power module, single-chip microcomputer, Single-chip Controlling interface circuit, wherein accurate integrating amplification circuit is connected with solid-state detector with analog to digital conversion circuit respectively; Single-chip Controlling interface circuit is connected with single-chip microcomputer with analog to digital conversion circuit respectively.
5. a kind of high-performance pulse xenon lamp ratio according to claim 1 monitors twin-beam ultraviolet-visible pectrophotometer, and it is characterized in that, described controlled processing unit comprises computer for controlling and display.
6. a kind of high-performance pulse xenon lamp ratio according to claim 1 monitors twin-beam ultraviolet-visible pectrophotometer, it is characterized in that, described visible spectrophotometer also comprises a housing, for settling power module, light source module, monochromator, sample chamber, data acquisition unit in described housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520734433.XU CN205229026U (en) | 2015-09-21 | 2015-09-21 | Dualbeam ultra violet and visible spectrophotometer is kept watch on to high performance pulse xenon lamp proportion |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520734433.XU CN205229026U (en) | 2015-09-21 | 2015-09-21 | Dualbeam ultra violet and visible spectrophotometer is kept watch on to high performance pulse xenon lamp proportion |
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| Publication Number | Publication Date |
|---|---|
| CN205229026U true CN205229026U (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520734433.XU Expired - Fee Related CN205229026U (en) | 2015-09-21 | 2015-09-21 | Dualbeam ultra violet and visible spectrophotometer is kept watch on to high performance pulse xenon lamp proportion |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770859A (en) * | 2016-12-13 | 2017-05-31 | 上海仪电分析仪器有限公司 | A kind of high performance liquid chromatograph UV-detector |
-
2015
- 2015-09-21 CN CN201520734433.XU patent/CN205229026U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770859A (en) * | 2016-12-13 | 2017-05-31 | 上海仪电分析仪器有限公司 | A kind of high performance liquid chromatograph UV-detector |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20210921 |