CN205719986U - A kind of system that the constituent content of motlten metal and temperature are carried out noncontacting measurement simultaneously - Google Patents
A kind of system that the constituent content of motlten metal and temperature are carried out noncontacting measurement simultaneously Download PDFInfo
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- CN205719986U CN205719986U CN201620565834.1U CN201620565834U CN205719986U CN 205719986 U CN205719986 U CN 205719986U CN 201620565834 U CN201620565834 U CN 201620565834U CN 205719986 U CN205719986 U CN 205719986U
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Abstract
The utility model discloses a kind of system that the constituent content of motlten metal and temperature are carried out noncontacting measurement simultaneously, including non-contact type light-conducting system, non-contact type light-conducting system be arranged over pulse laser, non-contact type light-conducting system is sequentially provided with flashlight light splitting optical path and adjustable focus moral telescope from top to bottom along laser light incident direction, light splitting optical path end is provided with lens, by optical fiber feed-in flange, optical fiber and spectrogrph connect, pulse laser and spectrogrph respectively with sequential control system, computer connects, the bottom of non-contact type light-conducting system is provided with push-pull valve and standard flange interface, the sidewall of described non-contact type light-conducting system connects ancillary vacuum system.Realize detection of content of element and thermometric combination, compact conformation.Meanwhile, light-conducting system can automatic focusing, space exploration scope and wavelength band are wide.It is applicable to smelt body of heater etc. need to carry out content detection and pyrometric occasion online.
Description
Technical field
This utility model relates to a kind of spectrographic detection technology, particularly relate to a kind of simultaneously to the constituent content of motlten metal and
Temperature carries out the system of heed contacted measure.
Background technology
Detection of content of element and temperature survey are the parameters paid close attention in metallurgical production, and it is measured the most in real time to metallurgy
Improved efficiency, cost reduce and quality control is significant.
In the metallurgical process of present stage, temperature survey is thermocouple temperature measurement rifle, and it is one big that thermocouple becomes as thermometric
Consumptive material；The measurement of constituent content is then the mode using sampling offline inspection, wastes time and energy.
Utility model content
The purpose of this utility model is to provide a kind of constituent content and temperature to motlten metal simultaneously and carries out Contactless Measurement
The system of amount.
The purpose of this utility model is achieved through the following technical solutions:
While this utility model, the constituent content of motlten metal and temperature are carried out the system of noncontacting measurement, including nothing
Contact light-conducting system, described non-contact type light-conducting system be arranged over pulse laser, described pulse laser sends
Laser pulse enters light-conducting system by the inlet window at described light-conducting system top, and described light-conducting system is along laser light incident direction certainly
Upper and under be sequentially provided with flashlight light splitting optical path and internal focusing telescope, connecting after described flashlight light splitting optical path has the first light
Spectrometer and the second spectrogrph, be coupled into respectively, described pulse laser, the first spectrogrph and the second spectrogrph respectively with sequential
Control system connects, and described sequential control system, the first spectrogrph and the second spectrogrph are connected with computer respectively, and described nothing connects
The bottom of touch light-conducting system is provided with push-pull valve and standard flange interface, and the sidewall connection of described non-contact type conduit system has auxiliary
Help vacuum system.
The technical scheme that thered is provided by above-mentioned this utility model it can be seen that this utility model embodiment provide while to molten
Melt the constituent content of metal and temperature carries out the system of noncontacting measurement, it is achieved detection of content of element and thermometric organic knot
Close, compact conformation.Meanwhile, light-conducting system can automatic focusing, space exploration scope and wavelength band are wide.It is applicable to smelt body of heater etc.
Need to carry out content detection and pyrometric occasion online.
Accompanying drawing explanation
Fig. 1 carries out Contactless Measurement to constituent content and the temperature of motlten metal while providing for this utility model embodiment
The theory diagram of the system of amount.
Constituent content and the temperature of motlten metal are carried out contactless while providing for this utility model embodiment one by Fig. 2
The structural representation of the system measured.
Fig. 3, Fig. 4 are respectively flashlight in the contactless light-conducting systems of this utility model embodiment two, enforcement three offer and divide
Light light channel structure schematic diagram.
In figure:
1, computer, 2, sequential control system, 3, pulse laser, the 4, second spectrogrph, the 5, first spectrogrph, 6, auxiliary
Vacuum system, 7, optical fiber feed-in flange, 8, optical fiber, the 9, first lens, the 10, first electronic control translation stage, 11, completely reflecting mirror, 12,
Two electronic control translation stages, 13, deielectric-coating reflecting mirror, the 14, second lens, 15, concave mirror, 16, convex reflecting mirror, 17, plate
Valve, 18, standard flange interface, 19, vacuum cavity, 20, motlten metal to be measured, 21, deielectric-coating reflecting mirror, 22, one-to-two optical fiber.
Detailed description of the invention
This utility model will be implemented an example below to be described in further detail.
The constituent content of motlten metal and temperature carry out while this utility model the system of heed contacted measure, and it is relatively
Good detailed description of the invention is:
The constituent content of motlten metal and temperature are carried out the system of noncontacting measurement simultaneously, it is characterised in that include nothing
Contact light-conducting system, described non-contact type light-conducting system be arranged over pulse laser, described pulse laser sends
Laser pulse enters light-conducting system by the inlet window at described light-conducting system top, and described light-conducting system is along laser light incident direction certainly
Upper and under be sequentially provided with flashlight light splitting optical path and internal focusing telescope, connecting after described flashlight light splitting optical path has the first light
Spectrometer and the second spectrogrph, be coupled into respectively, described pulse laser, the first spectrogrph and the second spectrogrph respectively with sequential
Control system connects, and described sequential control system, the first spectrogrph and the second spectrogrph are connected with computer respectively, and described nothing connects
The bottom of touch light-conducting system is provided with push-pull valve and standard flange interface, and the sidewall connection of described non-contact type conduit system has auxiliary
Help vacuum system.
Light splitting optical path in contactless light-conducting system includes any one version following:
One is to use same deielectric-coating reflecting mirror to coordinate optical fibre light splitting more than a point, and two is the different medium using fixed position
Film reflection lens one-shot, three is to use position-movable reflecting mirror time-sharing multiplex light path to realize light splitting.
Detection of content of element is component analyzing method based on Laser-induced plasma spectroscopy, and thermometric measurement is base
In infrared spectrum temperature-measurement principle.
Described completely reflecting mirror is provided with the first electronic control translation stage, and described Schwartz neat moral telescope includes the concave reflection of top
Mirror and the convex reflecting mirror of lower section, described convex reflecting mirror is provided with the second electronic control translation stage, described first electronic control translation stage and
Two electronic control translation stages are connected with described computer respectively.
Described sequential control system includes pulse trigger.
The lower end aligned vacuum cavity of described non-contact type probe, described vacuum cavity is built with motlten metal to be measured.
The constituent content of motlten metal and temperature carry out while this utility model the system of noncontacting measurement, and core exists
In realizing detection of content of element and thermometric combination, compact conformation.Meanwhile, light-conducting system can automatic focusing, detection
Spatial dimension and wavelength band are wide.It is applicable to smelt body of heater etc. need to carry out content detection and pyrometric occasion online.
Laser-induced plasma spectroscopy is when composition detection, without sample pretreatment, can realize unit long-range, multiple
Element is measured, and the time of measuring is short, is described as one of technology being applied to metallurgical online composition detection most prospect.Infrared temperature-test technology
Because it is untouchable, when long-range, dangerous, complex environment carry out temperature survey, there is the advantages such as safe, quick, lossless, be
Apply universal Infrared Technique.
This utility model Computer is used for setting sequencing contro, spectrum analysis and focus adjustment；Laser instrument is as light source
Send pulse laser；Sequential control system controls laser instrument and spectrum investigating system by pulse output；Detection of content of element system
System is used for obtaining Laser induced plasma spectroscopy signal；Temp measuring system is for obtaining the infrared signal of motlten metal；Guide-lighting system
System is for laser focusing, plasma signal light collection and infrared spectrum collection, focus adjustable.
When doing detection of content of element, laser instrument sends laser pulse, focuses on molten metal surface, ablation through light-conducting system
Producing plasma, the flashlight of plasma resonance through light-conducting system collection, is transported to detection of content of element system by optical fiber again
System, signal spectrum is done content analysis by last computer；
When doing temperature survey, light-conducting system directly gathers the infrared spectrum of motlten metal radiation, fibre bundle be transported to temperature
Degree measurement system, then signal spectrum is done temperature analysis by computer.
Composition detection and temperature survey are relatively independent.Before formal detection of content of element or temperature survey, it is required for
Content detection system is utilized to carry out focus adjustment.
Concretely comprise the following steps during utility model works:
Before starting to measure, send instructions to sequential control system by computer, send pulse-triggered and open protection valve
Door；
Sequential control system sends pulse-triggered laser instrument, and the pulse laser sent focuses on sample table through light-conducting system
Face, the plasma signal of generation is transferred to detection of content of element system through light-conducting system collection and by fibre bundle；
The intensity of the signal spectrum obtained in computer analytical procedure 2, sends instructions to electric control platform, focuses, directly
Maximum to the flashlight spectral intensity collected, i.e. complete automatic focusing；
Repeat step 2, after obtaining enough can doing the spectroscopic data of content analysis, computer complete constituent content and divide
Analysis；
After step 3 completes, the infrared signal of molten metal surface can be gathered by light-conducting system, and is passed by fibre bundle
It is passed to temp measuring system；
It is measured, closes valve.
Specific embodiment:
As shown in Figure 1 and Figure 2, native system Computer 1 is used for carrying out sequencing contro, spectrum analysis and focus adjustment；Light source
For pulse laser 3；Detection of content of element system uses the first spectrogrph 5；Temperature measurement system uses the second spectrogrph 4；Auxiliary
Vacuum system 6 is helped to include mechanical pump and related valve；In light-conducting system, laser focusing and flashlight collection use Schwartz neat
Moral telescope configuration, including concave mirror 15, convex reflecting mirror 16 and for regulating the precision second of convex reflecting mirror position
Electronic control translation stage 12；Deielectric-coating reflecting mirror 13 is used for reflecting plasma signal light simultaneously through laser, and the first lens 9 are used for converging
Poly-plasma signal light also exports to the first spectrogrph 5 by optical fiber feed-in flange 7 and optical fiber 8；Completely reflecting mirror 11 is for anti-
Penetrating infrared signal light, the second lens 14 are used for converging infrared signal and exporting to the second spectrum by optical fiber feed-in flange and optical fiber
Instrument 4；Push-pull valve 17, for cutting out valve when without measuring, protects optical element；On whole light-conducting system and vacuum cavity 19
Standard flange interface 18 be attached.In device, sequential control system 2 includes pulse trigger, is used for controlling and triggering laser
Device the 3, second spectrogrph the 4, first spectrogrph 5 and push-pull valve 17；Molten steel to be measured is 20.
The present embodiment specific works flow process is:
Before smelting starts, push-pull valve is closed, and vacuum assist system 6 is started working, and reaches certain etc. vacuum
During requirement, wait that smelting starts；
After smelting starts, send instructions to sequential control system 2 by computer 1, send pulse-triggered and open plate
Valve 17；
Sequential control system 2 sends pulse-triggered laser instrument 3, and the pulse laser sent enters light-conducting system through observation window
Vacuum cavity, reflexes on convex reflecting mirror 16, concave mirror 15 focus on motlten metal through deielectric-coating reflecting mirror 13
On liquid 20；The plasma signal produced returns along original optical path, after being reflected by deielectric-coating reflecting mirror 13, the first lens 9 focuses on
And export to the first spectrogrph 5 by optical fiber feed-in flange 7 and fibre bundle 8, it is thus achieved that LIPS spectral signal；
By the spectral signal intensity obtained in computer recording step 3, then driving the second electronic control translation stage 12, regulation is led
The focal length of photosystem；
Repeat step 3-4, until the spectral signal maximum intensity collected, i.e. obtain the focal length that light-conducting system is optimal；
On the pinpointed focus of light-conducting system, repeat step 3, it is thus achieved that enough spectroscopic datas, computer 1 do content and divide
Analysis i.e. can get constituent content information；
On pinpointed focus, computer triggers the first electronic control translation stage 10 action, and completely reflecting mirror 11 moves to operating position；
The radiation that the infrared spectroscopy signals of molten metal bath to be measured is same enters light-conducting system, through concave mirror 15 and convex reflecting mirror
After 16 reflections, then reflected by completely reflecting mirror 11, by Lens Coupling to optical fiber, then be transported to the second spectrogrph 4 by optical fiber, it is thus achieved that red
External spectrum signal, is finally analyzed by computer 1 and obtains temperature information；Temperature survey completes, and computer triggers the first automatically controlled translation
Platform 10 action, completely reflecting mirror 11 moves to ready position；
After completing measurement process, sequential control system 2 triggers and closes push-pull valve 17.
Embodiment one (Fig. 2) is to use position-movable reflecting mirror time-sharing multiplex light path to realize light splitting.Embodiment two (figure
3) being the different medium film reflection lens one-shot using fixed position, embodiment three (Fig. 4) is to use same deielectric-coating reflecting mirror to join
The many optical fibre light splittings of unification point.
The above, only this utility model preferably detailed description of the invention, but protection domain of the present utility model is not
Being confined to this, any those familiar with the art, in the technical scope that this utility model discloses, can readily occur in
Change or replacement, all should contain within protection domain of the present utility model.Therefore, protection domain of the present utility model should
It is as the criterion with the protection domain of claims.
Claims (2)
1. the system that the constituent content of motlten metal and temperature are carried out noncontacting measurement simultaneously, it is characterised in that include
Non-contact type light-conducting system, described non-contact type light-conducting system be arranged over pulse laser, described pulse laser sends
Laser pulse enter light-conducting system by the inlet window at described light-conducting system top, described light-conducting system is along laser light incident direction
Being sequentially provided with flashlight light splitting optical path and internal focusing telescope from top to bottom, connecting after described flashlight light splitting optical path has first
Spectrogrph and the second spectrogrph, be coupled into respectively, described pulse laser, the first spectrogrph and the second spectrogrph respectively with time
Sequence control system connects, and described sequential control system, the first spectrogrph and the second spectrogrph are connected with computer respectively, described nothing
The bottom of contact light-conducting system is provided with push-pull valve and standard flange interface, and the sidewall of described non-contact type conduit system connects to be had
Ancillary vacuum system.
The system that the constituent content of motlten metal and temperature are carried out noncontacting measurement simultaneously the most according to claim 1,
It is characterized in that, the light splitting optical path in contactless light-conducting system includes any one version following:
One be use same deielectric-coating reflecting mirror coordinate optical fibre light splitting more than a point, two be use fixed position different medium film anti-
Penetrating mirror light splitting, three is to use position-movable reflecting mirror time-sharing multiplex light path light splitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620565834.1U CN205719986U (en) | 2016-06-06 | 2016-06-06 | A kind of system that the constituent content of motlten metal and temperature are carried out noncontacting measurement simultaneously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620565834.1U CN205719986U (en) | 2016-06-06 | 2016-06-06 | A kind of system that the constituent content of motlten metal and temperature are carried out noncontacting measurement simultaneously |
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| Publication Number | Publication Date |
|---|---|
| CN205719986U true CN205719986U (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620565834.1U Expired - Fee Related CN205719986U (en) | 2016-06-06 | 2016-06-06 | A kind of system that the constituent content of motlten metal and temperature are carried out noncontacting measurement simultaneously |
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| CN (1) | CN205719986U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973872A (en) * | 2016-06-06 | 2016-09-28 | 中国科学技术大学 | System for simultaneous non-contact measurement of element content and temperature of molten metal |
-
2016
- 2016-06-06 CN CN201620565834.1U patent/CN205719986U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973872A (en) * | 2016-06-06 | 2016-09-28 | 中国科学技术大学 | System for simultaneous non-contact measurement of element content and temperature of molten metal |
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| 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: 20161123 |