CN203241343U - Photoelectric direct reading spectrometer - Google Patents
Photoelectric direct reading spectrometer Download PDFInfo
- Publication number
- CN203241343U CN203241343U CN 201320127588 CN201320127588U CN203241343U CN 203241343 U CN203241343 U CN 203241343U CN 201320127588 CN201320127588 CN 201320127588 CN 201320127588 U CN201320127588 U CN 201320127588U CN 203241343 U CN203241343 U CN 203241343U
- Authority
- CN
- China
- Prior art keywords
- control plate
- beam splitting
- constant temperature
- frequency
- photomultiplier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Spectrometry And Color Measurement (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The utility model discloses a photoelectric direct reading spectrometer. The photoelectric direct reading spectrometer comprises a constant temperature system, a beam splitting system, a vacuumizing system, a gas supply system, a measurement and control system, a stimulating system and photomultiplier tube, wherein the constant temperature system is used for ensuring that the beam splitting system is at the constant temperature; the vacuumizing system is used for vacuumizing the beam splitting system; the gas supply system is used for supplying gas to the beam splitting system; the stimulating system is used for generating high voltage with fixed frequency to stimulate a sample and ensuring that all stimulated elements of the sample pass through the beam splitting system and enter corresponding photomultiplier tubes; the measurement and control system is used for acquiring signals of the photomultiplier tubes and analyzing the acquired signals; the stimulating system comprises a stable voltage power supply, a rectifying module, a main control plate, a light source control plate, a frequency control plate, a high voltage plate and a stimulating device; 220V alternating current passes through the stable voltage power supply and the rectifying module and is input into the main control plate; the light source control plate and the frequency control plate are connected with the main control plate; adjustable frequency reference voltage output by the main control plate rises by virtue of the high voltage plate and is input into the stimulating device.
Description
Technical field
The utility model relates to a kind of photo-electric direct reading spectrometer.
Background technology
In order to improve the quality of products, the chemical composition of every profession and trade testing product generally adopts spectral analysis and wet chemistry analysis, adopts the traditional wet chemical analysis method to detect, and exists detection speed slow, and the shortcomings such as the easy contaminated environment of chemical reagent;
Spectroanalysis instrument is to utilize the physical method analysis, utilizes the electric spark excited sample, the photoelectric tube sampling, and quick and convenient, detection elements is many, but high to conditional requests such as analysis environments;
At present China's casting and detection industry use photo-electric direct reading spectrometer as quality control method, have progressively replaced traditional wet chemistry analytic approach, have developed into so far medium-sized and small enterprises and have also progressively adopted spectroscopic methodology to do the detection of on-the-spot sample analysis and finished product.
Summary of the invention
The purpose of this utility model is to provide a kind of photo-electric direct reading spectrometer, and this spectrometer excitation source segmental stability is better, so the spectrometer test is more accurate.
In order to realize above purpose, the technical scheme that the utility model adopts is:
Photo-electric direct reading spectrometer comprises constant temperature system, beam splitting system, pumped vacuum systems, air supply system, TT﹠C system, activating system and photomultiplier; Constant temperature system guarantees that beam splitting system is in constant temperature; Pumped vacuum systems is used for beam splitting system and vacuumizes processing; Air supply system is the beam splitting system air feed; Thereby activating system produces the high pressure excited sample of fixed frequency, then all elements that sample is inspired enters corresponding photomultiplier by beam splitting system, TT﹠C system is carried out signals collecting to photomultiplier, then the signal that gathers is carried out analyzing and processing, thereby obtain the percentage composition of each element in the material; It is characterized in that, described activating system comprises stabilized voltage supply, rectification module, master control borad, light source control plate, frequency control plate, hardboard and excitation apparatus; 220V exchanges through inputting master control borad after stabilized voltage supply and the rectification module, and the light source control plate links to each other with master control borad with the frequency control plate, and the frequency adjustable reference voltage of master control borad stable output inputs to excitation apparatus after boosting by hardboard.
Compared with prior art, the utility model has the advantage of: this spectrometer excitation source segmental stability is better, so the spectrometer test is more accurate.
Description of drawings
Fig. 1 is the photo-electric direct reading spectrometer block diagram;
Fig. 2 is activating system block diagram in the utility model photo-electric direct reading spectrometer.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
Photo-electric direct reading spectrometer comprises constant temperature system, beam splitting system, pumped vacuum systems, air supply system, TT﹠C system, activating system and photomultiplier; Constant temperature system guarantees that beam splitting system is in constant temperature; Pumped vacuum systems is used for beam splitting system and vacuumizes processing; Air supply system is the beam splitting system air feed; Thereby activating system produces the high pressure excited sample of fixed frequency, then all elements that sample is inspired enters corresponding photomultiplier by beam splitting system, TT﹠C system is carried out signals collecting to photomultiplier, then the signal that gathers is carried out analyzing and processing, thereby obtain the percentage composition of each element in the material; It is characterized in that, described activating system comprises stabilized voltage supply, rectification module, master control borad, light source control plate, frequency control plate, hardboard and excitation apparatus; 220V exchanges through inputting master control borad after stabilized voltage supply and the rectification module, and the light source control plate links to each other with master control borad with the frequency control plate, and the frequency adjustable reference voltage of master control borad stable output inputs to excitation apparatus after boosting by hardboard.
In order to guarantee to analyze stability and precision, except reduce the interference of matrix element with software, collection signal has been carried out filtering, analytic signal carries out curve fitting etc., the method that also adopts stepper motor to carry out trace is adjusted automatically, reduce because the spectral line drift that the impact of the variation of temperature and other factor causes improves precision.
And the stability of raising activating system, it is the key factor that improves the spectrometer performance, in order to reach the stability Design purpose that improves activating system, at first adopt high stable magnetic saturation power conditioner to exciting the unit power supply, the power supply of high stable is provided, also the interference shielding that excites can be fallen, disturb the collection that seals in the line influence signal in case excite, then the rectification that exchanges, DC voltage reaches 400V after the rectification, then under the control of frequency control plate, produce the voltage of frequency stabilization, under computer software control, master control board can be carried out frequency and magnitude of voltage is adjusted to this voltage, generate stable frequency adjustable reference voltage, through high pressure generator voltage is risen to stable high voltage 15KV, by excitation bench, in fixing distance sample is excited, reach a stable excited state, thereby effectively guaranteed the stability of analyzing.
The principle of photo-electric direct reading spectrometer is that the high temperature with spark makes each element in the sample from solid-state direct gasification and is excited and launches the characteristic wavelength of each element, behind grating beam splitting, become " spectrum " arranged by wavelength, the characteristic light spectral line of these elements passes through exit slit, inject photomultiplier separately, light signal becomes electric signal, through the control survey system of instrument with the electric signal integration and carry out mould/number conversion, then by Computer Processing, and print the percentage composition of each element.
Claims (1)
1. photo-electric direct reading spectrometer comprises constant temperature system, beam splitting system, pumped vacuum systems, air supply system, TT﹠C system, activating system and photomultiplier; Constant temperature system guarantees that beam splitting system is in constant temperature; Pumped vacuum systems is used for beam splitting system and vacuumizes processing; Air supply system is the beam splitting system air feed; Thereby activating system produces the high pressure excited sample of fixed frequency, then all elements that sample is inspired enters corresponding photomultiplier by beam splitting system, TT﹠C system is carried out signals collecting to photomultiplier, then the signal that gathers is carried out analyzing and processing, thereby obtain the percentage composition of each element in the material; It is characterized in that, described activating system comprises stabilized voltage supply, rectification module, master control borad, light source control plate, frequency control plate, hardboard and excitation apparatus; 220V exchanges through inputting master control borad after stabilized voltage supply and the rectification module, and the light source control plate links to each other with master control borad with the frequency control plate, and the frequency adjustable reference voltage of master control borad stable output inputs to excitation apparatus after boosting by hardboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320127588 CN203241343U (en) | 2013-03-20 | 2013-03-20 | Photoelectric direct reading spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320127588 CN203241343U (en) | 2013-03-20 | 2013-03-20 | Photoelectric direct reading spectrometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203241343U true CN203241343U (en) | 2013-10-16 |
Family
ID=49318628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320127588 Expired - Fee Related CN203241343U (en) | 2013-03-20 | 2013-03-20 | Photoelectric direct reading spectrometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203241343U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103969245A (en) * | 2014-05-20 | 2014-08-06 | 江苏鑫知源仪器有限公司 | Vacuum photoelectric direct-reading spectrometer |
| CN105302009A (en) * | 2014-06-09 | 2016-02-03 | 郎溪杰博电器科技有限公司 | Measurement control system of fully-digital spectrum analyzer |
| CN106602886A (en) * | 2016-12-30 | 2017-04-26 | 杭州谱育科技发展有限公司 | Arc excitation circuit and method applied to direct-reading spectrometer |
| CN109425579A (en) * | 2017-09-04 | 2019-03-05 | 南京麒麟科学仪器集团有限公司 | A kind of photo-electric direct reading spectrometer |
-
2013
- 2013-03-20 CN CN 201320127588 patent/CN203241343U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103969245A (en) * | 2014-05-20 | 2014-08-06 | 江苏鑫知源仪器有限公司 | Vacuum photoelectric direct-reading spectrometer |
| CN103969245B (en) * | 2014-05-20 | 2016-03-23 | 江苏鑫知源仪器有限公司 | A kind of vacuum photo-electric direct reading spectrometer |
| CN105302009A (en) * | 2014-06-09 | 2016-02-03 | 郎溪杰博电器科技有限公司 | Measurement control system of fully-digital spectrum analyzer |
| CN105302009B (en) * | 2014-06-09 | 2019-02-22 | 郎溪杰博电器科技有限公司 | A kind of full digital spectroanalysis instrument Measurement and Control System |
| CN106602886A (en) * | 2016-12-30 | 2017-04-26 | 杭州谱育科技发展有限公司 | Arc excitation circuit and method applied to direct-reading spectrometer |
| CN109425579A (en) * | 2017-09-04 | 2019-03-05 | 南京麒麟科学仪器集团有限公司 | A kind of photo-electric direct reading spectrometer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203241343U (en) | Photoelectric direct reading spectrometer | |
| CN202869961U (en) | Mobile reference light path device for water quality analysis meter | |
| CN102661923A (en) | Complex monitor for automatically monitoring multiple parameters of water on line | |
| CN103983595A (en) | Water quality turbidity calculating method based on ultraviolet-visible spectroscopy treatment | |
| CN104020114A (en) | Method for analyzing trace concentration of ammonia gas | |
| CN202453423U (en) | Scanning test device for impedance spectra of portable battery | |
| CN103134590A (en) | Method for dynamically testing phosphorescence spectrum in real time | |
| CN105334184A (en) | On-line near-infrared spectrum analyzer | |
| CN102590157A (en) | Element spectrum analysis method and laser element exploration equipment adopting same | |
| CN104697978A (en) | Marking method for background noise difference removal in laser Raman gas analysis system | |
| CN106093002A (en) | Sulfate radical and the device and method of phosphate radical in a kind of high activity liquid waste of mensuration simultaneously | |
| CN203616247U (en) | Portable case for water quality detector | |
| CN103293175A (en) | Method for measuring chemical components of liquid sodium silicate | |
| CN104990883A (en) | Device for detecting gas concentration by spectrometer | |
| CN103499686A (en) | Immunosensor-based resistance-type pesticide residue detector | |
| CN103630497A (en) | Movable type reference beam device used for water quality analyzer | |
| CN202002887U (en) | Mineral age tester with background compensation function | |
| CN204008454U (en) | Portable near infrared spectrometer for detection of mould index in storage paddy | |
| CN107782716A (en) | A kind of Laser induced plasma spectroscopy analysis system that can simulate metallurgical vacuum drying oven environmental change | |
| CN203981590U (en) | The electrode position regulating device of Atomic Emission Spectrometer AES | |
| CN109596679A (en) | A kind of detection device of field quick detection heavy metal content in soil | |
| CN106769878B (en) | Photoacoustic spectrum-based traditional Chinese medicine decoction component detection method and device | |
| CN203595664U (en) | Portable spectrum water quality testing device | |
| CN204128968U (en) | Original plasm wine on-line checkingi hierarchy system | |
| CN104568904A (en) | Detection circuit for liquor receiving detector |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20170320 |