CN102374898A - Monochrometer - Google Patents
Monochrometer Download PDFInfo
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- CN102374898A CN102374898A CN2010102499478A CN201010249947A CN102374898A CN 102374898 A CN102374898 A CN 102374898A CN 2010102499478 A CN2010102499478 A CN 2010102499478A CN 201010249947 A CN201010249947 A CN 201010249947A CN 102374898 A CN102374898 A CN 102374898A
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Abstract
The invention belongs to the technical field of analytical apparatus equipment, and relates to a monochrometer, and is used for solving the problem that the existing monochrometer can not satisfy individuation requirement, namely optionally change the arrange position and orientations of each component of the monochrometer according to the demand of moulding and specialty function). The monochrometer provided by the invention comprises a light-emitting box and a light reflection box, wherein the light-emitting box at least consists of a light-emitting device, a light-emitting box frame and a light-emitting box bottom; and a light reflection box at least consists of a light reflection device, a light reflection box frame and a light reflection box bottom, the light-emitting is connected with the light reflection box, the top surface and the bottom surface of the light-emitting box bottom are at least provided with installation positions for installing the light-emitting device and the light-emitting box frame and the positions are arranged in a mode of mirror symmetry; the top surface and the bottom surface of the light reflection box bottom are at least provided with installation positions for installing the light reflection device and the light reflection box frame in a mode of mirror symmetry; and technical problems can be effectively solved by adopting the technical scheme.
Description
Technical field
The invention belongs to the analysis Instrument equipment technical field, relate to a kind of monochromator, monochromator according to the invention is a grating monochromator, for example can be the grating monochromator that constitutes the ultraviolet-visual spectrometer core component.
Background technology
The structural similarity of monochromator and spectrum spectrograph, for from broadband radiation beam, isolating the electromagnetic radiation of a series of narrow band, it replaces the photographic plate on the spectrograph focal plane with exit slit, and prism monochromator and grating monochromator are arranged.
Wherein grating monochromator relatively is widely used, and in links such as scientific research, production, Quality Controls, no matter is to penetrate absorption spectrum, or fluorescence spectrum, Raman spectrum.But the light reflection box that existing monochromator generally comprises Luminescent cases and the light that Luminescent cases produces injected sample cell; Sample box is connected with Luminescent cases through light reflection box; Because the qualification on the locations of structures; Existing monochromator can only be at a side (being that put on a left side) the bill coloured light of monochromator; Want to make monochromator at opposite side (being that put on the right side) bill coloured light, then need change the positional alignment of Luminescent cases, sample box and light reflection box, but prior art can't change the positional alignment of Luminescent cases, sample box and light reflection box.
Summary of the invention
Technical matters to be solved by this invention is that existing monochromator can't meet individual requirements (promptly according to the moulding of outward appearance and the demand of specialized function; The arrangement position of random each assembly of change monochromator and towards), and a kind of monochromator is provided to this problem.
The present invention solves the problems of the technologies described above through following technical scheme:
A kind of monochromator comprises at least by the Luminescent cases of forming at the bottom of light-emitting device, Luminescent cases frame and the Luminescent cases; And at least by the light reflection box of forming at the bottom of light reflecting device, light reflection box frame and the light reflection box; Luminescent cases and light reflection box is connected, it is characterized in that at the bottom of the said Luminescent cases end face and bottom surface at least mirror image be symmetrically arranged with the installation position of mounting light emitting device and Luminescent cases frame;
End face at the bottom of the said light reflection box and bottom surface mirror image at least are symmetrically arranged with the installation position that light reflecting device and light reflection box frame are installed.
After adopting said structure, light-emitting device and Luminescent cases frame can be installed in end face and the bottom surface at the bottom of the Luminescent cases, and light reflecting device and light launch-box frame can be installed in end face and the bottom surface at the bottom of the light reflection box; Because at the bottom of the Luminescent cases and the end face at the bottom of the light reflection box be that mirror image is symmetrical with the bottom surface; So when Luminescent cases and light reflection box respectively at the bottom of the corresponding Luminescent cases and the end face at the bottom of the light reflection box when accomplishing installation with the bottom surface; Formed two monochromators also just in time are mutual mirror image symmetries, also are that variation has taken place the relative position of Luminescent cases and light reflection box.Simultaneously; At the bottom of the Luminescent cases according to the invention and position at the bottom of light reflection box relation also can change; For example can be positioned at the bottom of the Luminescent cases at the bottom of the light reflection box all around; In order to realize this change, at the bottom of the Luminescent cases and can be two independent parts at the bottom of the light reflection box, and connect through some basic connected modes (for example splicing or the like).
(first kind shifts gears is Luminescent cases and light reflection box to be accomplished respectively install on two sides at the bottom of the corresponding box of mirror image symmetry for the shifting gears of above-mentioned two kinds of relative positions; Second kind shifts gears be at the bottom of the conversion Luminescent cases and light reflection box at the bottom of relative position) comprehensive use; Can be according to the operating habit of device operator, the personalized relative position that Luminescent cases and light reflection box are set.
Certainly, the present invention has also considered some problems that above-mentioned change in location is brought, when for example enforcing location changes (particularly Luminescent cases and light launch-box are installed to the mirror symmetry planes at the bottom of the said box); Need dismounting Luminescent cases and light reflection box, this possibly just mean when reinstalling Luminescent cases and light reflection box, need debug light path again; Detection with the exempt from customs examination monochromator causes bad influence; Obviously, such mode of operation is loaded down with trivial details often, and the efficient of debugging light path is lower.
Technique scheme of the present invention when realizing Luminescent cases and light reflection box change in location, the generation of having avoided the said problem of literal the last period of also trying one's best, this is owing to adopted following structure at least:
End face at the bottom of the said Luminescent cases and bottom surface mirror image at least are symmetrically arranged with the installation position of mounting light emitting device and Luminescent cases frame;
End face at the bottom of the said light reflection box and bottom surface mirror image at least are symmetrically arranged with the installation position that light reflecting device and light reflection box frame are installed.
Said installation position comprises the installation position of the various parts of monochromator; So only need carry out standardized designs to assembling place of installation position and the various parts of monochromator (is that various parts and installation position are designed according to the good design drawing of debugging; Thereby parts are packed into behind the corresponding installation position; At least can guarantee that parts need not carry out the light path debugging), just exempted the light path debugging in the assembling process, improved the efficient that realizes Luminescent cases and light reflection box change in location greatly.
Description of drawings
Fig. 1 is that put and the right structural representation of putting on the said a kind of monochromator of an embodiment left side;
Fig. 2 is the structural representation of installation position, two sides at the bottom of the Luminescent cases and at the bottom of the light reflection box in the said a kind of monochromator of embodiment;
Fig. 3 is the second box frame and the assembling synoptic diagram of light partition member in the light reflection box in the said a kind of monochromator of embodiment;
Fig. 4 is the enlarged diagram of the said smooth partition member of embodiment;
Fig. 5 is the said smooth partition member of embodiment plane 90 degree twin-beam synoptic diagram;
Fig. 6 is the vertical 90 degree twin-beam synoptic diagram of the said smooth partition member of embodiment;
Fig. 7 is the assembling synoptic diagram that the light in the said a kind of monochromator of embodiment reflects box and crack sheet;
Fig. 8 is a part of structural representation (rotating shaft of not shown grating seat) that drives the Vidacare corp of grating seat rotation in the said a kind of monochromator of embodiment;
Fig. 9 is another part structural representation that drives the Vidacare corp of grating seat rotation in the said a kind of monochromator of embodiment;
Figure 10 is the structural representation (rotating shaft of not shown grating seat) that drives the manual driving device (display screen demonstration wavelength) of grating seat rotation in the said a kind of monochromator of embodiment;
Figure 11 is the structural representation (rotating shaft of not shown grating seat) that drives the manual driving device (index dial demonstration wavelength) of grating seat rotation in the said a kind of monochromator of embodiment;
Figure 12 is the inner structure synoptic diagram of the said a kind of monochromator of embodiment;
Figure 13 is the structural representation that forms behind light reflection box and the sample box box frame installing additional on Figure 12 basis;
Figure 14 is the structural representation of the said general euphotic zone of embodiment;
Figure 15 is the structural representation of the said euphotic zone of embodiment.
Embodiment
This embodiment will combine accompanying drawing further to introduce the present invention, so that those skilled in the art can comprehensively understand each item technical scheme of the present invention and corresponding techniques effect.Explanation for ease, the said monochromator of this embodiment can also select to set up sample box according to the needs that detect on the basis of the said monochromator of summary of the invention, said sample box is connected with Luminescent cases through light reflection box.
See Fig. 1 (not shown sample cell); A kind of monochromator; The light reflection box 3 that comprises Luminescent cases 2, comprises the sample box 1 of sample cell and the light that Luminescent cases 2 produces injected sample cell; Luminescent cases 2 comprises at the bottom of light-emitting device, Luminescent cases frame 48 and the Luminescent cases that light reflection box 3 comprises at the bottom of light reflecting device, light reflection box frame 47 and the light reflection box, referring to Fig. 2; At the bottom of the said Luminescent cases 4 and light reflection box at the bottom of 5 be an one-piece construction, at the bottom of the Luminescent cases 4 and light reflection box at the bottom of 5 end face and bottom surface mirror image be symmetrically arranged with mounting light emitting device and Luminescent cases frame 48; And the installation position of light reflecting device and light reflection box frame 47.
See Fig. 1 and Fig. 2; This embodiment has realized the change of Luminescent cases 2 and light reflection box 3 positions; For example Luminescent cases 2 is positioned at the right side that light reflects box 3 among the left figure of Fig. 1; And Luminescent cases 2 is positioned at the left side of light reflection box 3 among the right figure of Fig. 1, realize that only need carry out an invention first kind of content part introduction of above-mentioned change in location shifts gears and get final product, and prior art can't realize because the Installation and Debugging cost is too high that usually Luminescent cases and light reflect the change in location of box.
The said monochromator of this embodiment has also improved detection efficiency when guaranteeing out light quality; The means that this embodiment improves detection efficiency are that the light that monochromator sends is cut apart; Thereby form the dispersed light according to operating personnel's proportion requirement, prior art is to cutting apart of light of general employing dual mode:
The first, light is carried out space segmentation, promptly adopt the optical processing element that light is divided into several sections, every part is only continuous, and energy only accounts for the part of light;
The second, the light time of carrying out is cut apart, promptly adopt the optical processing element that light is divided into several sections, every portion
Divide only flash of light (discontinuous), and the energy ratio that accounts for light is by break time of flash of light and flash time
The ratio decision.
This embodiment adopts first kind of mode that light is cut apart; In order to realize accurately cutting apart to light; And guarantee the quality of monochromator bright dipping; Prior art need be debugged monochromator usually, and this embodiment adopts after the technical scheme of summary of the invention part under situation about need not debug, and guarantees the light quality that of monochromator; Improved the technique effect of detection efficiency when on above basis, adopting following two kinds of technical schemes can realize at least guaranteeing out light quality again, first kind of technical scheme is:
Said light reflecting device comprises light-management members and the light partition member that will cut apart in proportion through the light that light-management members is handled;
Referring to Fig. 3; Said light reflection box frame 47 comprises that the first box frame 49 reaches and the second box frame 7 of the first box frame, 49 part coplanes; Said light-management members is positioned at the first box frame 49; The light partition member is positioned at the second box frame 7, sees Fig. 7, and the said second box frame 7 is provided with reception and disperses end through the optical receiving end (this optical receiving end can be like the described light-receiving of this embodiment hole 47) and the dispersion of the light of light-management members processing through the light of the light of light partition member processing.See Fig. 4, the side of light partition member is provided with and relative light entrance port 9, the said second box frame, 7 light-receiving holes 47, and disperses the relative light of end to divide raw edge with the said second box frame, 7 light respectively.
It is a plurality of that said light disperses end to have, the dispersion direction that it is provided with orientation and number after can handling according to the light partition member and be arranged on light in the light partition member and cut apart the type of mirror and decide, and the concrete form that said light disperses to hold also can be a dispersion hole.
For example, for this embodiment, it can be that semi-permeable and semi-reflecting mirror 11 as shown in Figure 5 is (promptly after this mirror is handled that said light is cut apart mirror; Be divided into two kinds of light that disperse direction; Half light reflection, half transmittance), at this moment; See Fig. 3; The light of the second box frame 7 disperses end to comprise transmittance end (being arranged on the transmittance hole 51 of the second box frame 7 with respect to the second box frame optical receiving end, one side) and light reflection end (being arranged on the light reflection hole 50 of the second box frame 7 with respect to Luminescent cases 2 one sides), sees Fig. 4 equally, and the side of light partition member is provided with respectively the light-transmissive port 10 and light reflex port 8 relative with the said second box frame 7 transmittance holes 51 and light reflection hole 50.After light gets into from light entrance port 9, will penetrate (referring to the dotted line of Fig. 5) from light-transmissive port 10 and light reflex port 8.
Second kind of technical scheme carried out further qualification to first kind of technical scheme, and promptly the light partition member is a cavity; This dispersion direction that just means light can also be the cavity hatch direction except transmission direction and reflection direction.
When said light is cut apart mirror and is also selected semi-permeable and semi-reflecting mirror for use; Just there are two kinds of light deployment conditions: see Fig. 4; First kind of light deployment conditions is light 9 entering from the light entrance port; Penetrate (referring to the dotted line of Fig. 6) from light-transmissive port 10 and cavity hatch bore 52 respectively, said semi-permeable and semi-reflecting mirror is a semi-permeable and semi-reflecting mirror 12 as shown in Figure 6; Second kind of light deployment conditions is light 9 entering from the light entrance port, penetrates (the placement situation of semi-permeable and semi-reflecting mirror is not shown) from light reflex port 8 and cavity hatch bore 52 respectively.
Two kinds of technical schemes introducing above all can improve the detection efficiency of monochromator at least; Because dividing the light that sheds all is parts of the former light before light is cut apart; The ratio of its shared former light can be cut apart modes such as mirror through change and regulates; So operating personnel can carry out multiple detection simultaneously on the said monochromator of this embodiment, and such detection is identical because of the character of employed light, and shared former light ratio example is confirmed; So testing result has the contrast reference value, analysis ability significantly rises.
Two kinds of technical schemes introducing above also have such beneficial effect, promptly can replace light to cut apart mirror with testing sample, and this moment, said smooth partition member was the orthobaric volume micro-example chamber of placing sample, and said monochromator can directly detect it.
This embodiment is selected monochromatic wavelength coverage, thereby the light wave scope of monochromatic light bright dipping is fallen within on technician's necessary wavelength scope, guarantees the quality of bright dipping.The method that realizes normally (is seen Figure 11 with light through grating; The concrete course of work is introduced below); The angle of adjustment grating; Can obtain having the light of different wavelength range, can accurately adjust the angle of grating easily in order to make the technician, this embodiment provides two kinds of technical schemes that supply the technician to select:
First kind is the angle that adopts electronic mode to regulate grating, specifically can realize (referring to Fig. 8) like this:
Said light-management members comprises light-reflecting components and the grating that the light through the light-reflecting components reflection is screened, and said grating comprises grating body 53 and grating seat 40 (seeing Figure 12), and said grating body 53 is installed on the grating seat 40;
Said light reflection box 3 also comprises the Vidacare corp that drives 40 rotations of grating seat; Said Vidacare corp comprises screw mandrel 23, guide rod 19, is arranged on screw mandrel 23 and the guide rod 19, walking slide block 22, lever arm 27, grating seat rotating shaft 54 (see figure 9)s that are connected with grating seat 40 that on screw mandrel 23 and guide rod 19, move with the rotation of screw mandrel 23 and the drive motor 18 that is connected with screw mandrel 23 1 ends;
One end of lever arm 27 is connected with grating seat rotating shaft 54, and the end of lever arm 27 other ends is the contact block 20 that contacts with walking slide block 22, and said grating seat rotating shaft 54 is provided with and is used for time power torsion spring that the rotating shaft of grating seat resets.
Second kind is the angle that adopts manual mode to regulate grating, specifically can be divided into two kinds of situation, and first kind of situation shows wavelength through index dial, specifically can realize like this:
Said light-management members comprises light-reflecting components and the grating that the light through the light-reflecting components reflection is screened, and said grating comprises grating body 53 and grating seat 40 (seeing Figure 12), and said grating body 53 is installed on the grating seat 40;
Said light reflection box 3 also comprises the manual driving device that drives 40 rotations of grating seat; See Figure 11, said manual driving device comprises the rotating disk 31 that is connected with the rotating shaft of grating seat, be located in the manual dish 29 at the bottom of the said light reflection box box and be surrounded on rotating disk 31 and manually coil the driving-belt 32 on 29.
This manual driving device generally should be arranged on the place of being convenient to technician's operation; For example can be arranged on the top of light reflection box 3; Manually need mark the scale that is carved with wavelength coverage on the dish 29 simultaneously; When the technician needs the monochromatic light of a certain wavelength coverage; Only needing manually to coil respective wavelength on 29 pushes assigned address and get final product (need manually on the dish 29 indicator dog 33 be set usually, thereby when the scale of a certain wavelength coverage pushes on the indicator dog, promptly explain and monochromatic wavelength coverage is adjusted on this wavelength coverage).
Second kind of situation shows wavelength (referring to Figure 10, not shown display screen) through display screen, only changes manual pulley into through driving the drive motor 18 that the rotating shaft of grating seat realizes the Vidacare corp that grating seat 40 rotates with this embodiment is said.
This embodiment has also realized the function of fixed slit, (see figure 7) specific as follows:
The first crack sheet 44 that the junction of said light reflection box 3 and Luminescent cases 2 is provided with first light hole 42 (referring to Figure 13) and is made up of the first printing opacity crack part 16 relative with first light hole 42 and first shading light part 15, the width of the said first printing opacity crack part 16 is smaller or equal to first light hole, 42 width;
For ease of explanation; The said second box frame, 7 light disperse end can to have (for example being the second box frame, 7 transmittance holes 51) with the form of light dispersion hole; Said light reflection box 3 is provided with the second crack sheet of being made up of the second printing opacity crack part 55 relative with transmittance hole 51 and second shading light part 56 44 (the second crack sheet is the first crack sheet 44 in this embodiment), and the width of the said second printing opacity crack part 55 is smaller or equal to light dispersion hole width.
Further; This embodiment has also realized the function of variable gap; The realization of this function can be sticked a kind of euphotic zone (Fig. 7 is not shown) on the printing opacity crack part 16 of crack sheet 44 on the basis that the fixed slit function realizes, such euphotic zone should have different printing opacity width on the direction of euphotic zone; Thereby as long as move the real-time variation of width generation that can make the transmissive slit part 16 that is positioned on the light hole 42 along the direction of euphotic zone; General such euphotic zone is exactly an euphotic zone shown in figure 14, and the dash area of euphotic zone is light tight, the blank parts printing opacity); Certainly the device that moves crack sheet 44 also should be indispensable, so the said light reflection of this embodiment box also comprises first driving mechanism that moves the first crack sheet and second driving mechanism that moves the second crack sheet.
See Fig. 7; Said first driving mechanism comprises first screw mandrel 13, first guide rod 17 and the first crack sheet motor 14 that is set in parallel in the light reflection box frame 47; The said first crack sheet 44 is installed in respectively on first screw mandrel 13 and first guide rod 17 through first feed screw nut 57 and first guide rod hole 45 that is arranged on the first crack sheet 44, and first screw mandrel, 13 1 ends are connected with the first crack sheet motor, 14 output shafts.
Said second driving mechanism also can adopt and the similar structure of first driving mechanism; Said second driving mechanism of this embodiment is consistent with the structure of first driving mechanism; Concrete; Said second driving mechanism comprises second screw mandrel, second guide rod and the second crack sheet motor that is set in parallel in the light reflection box frame 47; The said second crack sheet is installed in respectively on second screw mandrel and second guide rod through second feed screw nut and second guide rod hole that is arranged on the second crack sheet; One end of said second screw mandrel is connected (said second screw mandrel, second guide rod, the second crack sheet motor, second feed screw nut and second guide rod hole are first screw mandrel, first guide rod, the first crack sheet motor, first feed screw nut and first guide rod hole respectively, therefore do not have label) with the output shaft of the described second crack sheet motor.
From accurately regulating the purpose of design that crack sheet 44 moves, crack sheet motor 14 preferably is connected with the control assembly of monochromator, and such control assembly can be control circuit (like single-chip microcomputer or the like).
Embodiment
After having introduced each item technical scheme of this embodiment, embodiment also will do detailed introduction to the running of monochromator.
Explanation for ease, present embodiment is used the employed accompanying drawing of embodiment, should be noted that; Like this use to be merely makes things convenient for explanation; Therefore, the situation that two kinds of titles appear in same label may occur, but can't cause technician's misunderstanding.
Referring to Fig. 1, a kind of monochromator comprises at least by 4 Luminescent cases 2 formed at the bottom of light-emitting device, Luminescent cases frame 48 and the Luminescent cases; And reflect box 3 by 5 light formed at the bottom of light reflecting device, light reflection box frame 47 and the light reflection box at least; Luminescent cases 2 is connected with light reflection box 3; Referring to Fig. 2, at the bottom of the said Luminescent cases 4 and light reflection box at the bottom of 5 the corresponding mirror image of end face and bottom surface be symmetrically arranged with mounting light emitting device and Luminescent cases frame 48; And the installation position of light reflecting device and light reflection box frame 47.
One, transmission and the light of light in Luminescent cases reflects the shading design between box and Luminescent cases and the sample box
Shown in figure 12; Light-emitting device in the Luminescent cases 2 comprises tungsten lamp 35, deuterium lamp 34 and Luminescent cases catoptron 36, and the light that tungsten lamp 35 and deuterium lamp 34 send all can be injected the light hole 42 (referring to Figure 13) that is positioned at Luminescent cases 2 and light reflection box 3 junctions through Luminescent cases catoptron 36.
Referring to Fig. 7 (light hole 42 is not shown); Be provided with crack sheet 44 in the light reflection box 3; The printing opacity crack part 16 of this crack sheet 44 is the square opening of row's size smaller or equal to light hole 42, can partly be covered by shading light part 15 from the light that light hole 42 penetrates by Luminescent cases 2.
Why present embodiment will be arranged to row's (four) square opening with transmissive slit part 16; Its purpose is moving through crack sheet 44; Can different square openings be moved on the light hole 42; Thereby can adjust the transmittance that light penetrates light reflection box 3, and the final design proposal of present embodiment is to make the size of square opening consistent, and on said row's square opening, sticks the euphotic zone that is provided with four corresponding open-works of square opening shown in figure 15; Same like this can achieving the above object, and also reduced production cost.
For moving of crack sheet, present embodiment is to realize that through the driving that is arranged on the crack sheet motor 14 on the light reflection box 3 concrete structure is such:
Crack sheet 44 is provided with and supplies to be arranged on guide rod hole 45 and the feed screw nut 57 that the guide rod 17 in the light reflection box 3 passes; Crack sheet motor 14 is connected with feed screw nut 57 through screw mandrel 13, and guide rod 17 and screw mandrel 13 are all parallel with the square opening orientation of printing opacity crack part 16.
Light in the light reflection box 3 is finally through being positioned at light dispersion hole (also being the second box frame, 7 transmittance holes 51) the entering sample box 1 (referring to Figure 13) that light reflects the junction of box 3 and sample box 1; As shown in Figure 7; The said crack sheet 44 of present embodiment also be provided with on the transmittance hole 51 be positioned at light hole 42 on the identical printing opacity crack of structure of printing opacity crack part 16, to realize identical purpose of design.
For crack sheet 44 is moved along guide rod 17 accurately,, can crack sheet motor 14 be connected with control circuit (for example single-chip microcomputer or the like) so that adjust the transmitance of light accurately.Yet such design also has perfect inadequately place; For example the said crack sheet 44 of present embodiment is an one-piece construction; This just means and can only carry out simultaneously the adjustment of the transmitance of light (present embodiment relates to Luminescent cases 2 and light reflection box 3, and the light transmission rate of light reflection box 3 and sample box 1).Improved a kind of method can be that crack sheet 44 is splitted into two halves, and moving with two Electric Machine Control crack sheets 44 respectively.
Two, the transmission of light in light reflection box and sample box
Referring to Figure 12; Light reflecting device comprises light-management members and light partition member; Said light-management members comprises light reflection box catoptron 39, collimating mirror 41, grating and optical filter 46; Inject the light of light reflection box 3 through light hole 42 (referring to Figure 13) and at first inject light reflection box catoptron 39; Through first reflection; Inject collimating mirror 41, with after inject the grating that is positioned at grating seat 40 second time of collimating mirror 41, this grating will meet the light of setting wavelength coverage and inject collimating mirror 41 again; And will meet the light of setting wavelength coverage by collimating mirror 41 through reflection for the third time and inject optical filter 46; Inject the second box frame 7 (referring to Fig. 7) that is used to hold the light partition member again from the light that optical filter 46 penetrates, the light partition member is orthobaric volume micro-example chamber 6 (also being a cavity, referring to Fig. 7) in the present embodiment; This orthobaric volume micro-example chamber 6 can realize that all functions of the light partition member that embodiment is partly introduced are (referring to Fig. 4-Fig. 6); Also promptly in orthobaric volume micro-example chamber 6, place different semi-permeable and semi-reflecting mirror (the for example label 11 and 12 among Fig. 5-6), after the light-receiving hole of the second box frame 7 47 (see figure 7)s were injected, light promptly got into the light entrance port 9 of orthobaric volume micro-example chamber 6; And any two directions from three directions penetrate, and said three directions are 90 ° of levels (direction that promptly penetrates through light reflex port 8), inject direction with light and be vertical 90 ° (directions that promptly 6 cavity hatch bores 52 penetrate through orthobaric volume micro-example chamber), inject the direction identical direction of light-transmissive port 10 ejaculations (promptly through) with light for injecting direction with light.
Inject the lens 38 in the sample box from the light that light-transmissive port 10 penetrates through the transmittance hole 43 of the crack sheet 44 and the second box frame, and penetrate from lens 37 through sample cell (Figure 12 is not shown).
Three, the installation of each parts of monochromator
In the detailed introduction of embodiment part how to make the rotation of grating, obtaining meeting the light of setting wavelength coverage, a kind of is to adopt manual mode to drive the rotation of grating, and the another kind of higher electronic mode of degree of accuracy that adopts drives the grating rotation.The accurate rotation one side that realizes grating needs the higher grating drive unit of design precision, on the other hand, also need grating be in place.
In fact, because the said monochromator of present embodiment is an exact instrument, all can increase the light quality that of monochromator greatly any human error who installs; The outfit that present embodiment is all supporting with each parts in the monochromator element seat, for example, for grating; Corresponding grating seat is arranged, and the catoptron in the Luminescent cases has corresponding mirror unit or the like; And the installation position of corresponding component seat is all arranged in Luminescent cases and light reflection box, and all element seat and installation position all are mould standard production, therefore; Can guarantee the compactedness of instrument, when the present embodiment monochromator is installed simultaneously, as long as parts are put into corresponding element seat; Again element seat is installed to the installation that corresponding installation position can be accomplished monochromator fast and accurately, and does not need debugging.Introduction through the embodiment part; After the said monochromator of present embodiment can be realized disposable input; Satisfy the detection method demand that single beam ultraviolet-visual spectrometer, twin-beam ultraviolet-visual spectrometer, ratio are kept watch on the twin-beam ultraviolet-visual spectrometer; Satisfy operating habit, the demand of the personalized relative position that Luminescent cases and light reflection box are set according to device operator; Satisfied the operation individual demand that automatic wavelength setting (length scanning) or manual wavelength are provided with; Satisfied the differentiated demand that digital demonstration and index dial show; Satisfied parts the demand of exempting to debug is installed, efficiency improves more than 100 times; Having satisfied the user changes light source and exempts from the requirement to trace test (realizing through orthobaric volume micro-example chamber) of instrument, non-regulating function and life science, biochemical analysis.
Claims (13)
1. a monochromator comprises at least by the Luminescent cases of forming at the bottom of light-emitting device, Luminescent cases frame and the Luminescent cases; And at least by the light reflection box of forming at the bottom of light reflecting device, light reflection box frame and the light reflection box; Luminescent cases and light reflection box is connected, it is characterized in that at the bottom of the said Luminescent cases end face and bottom surface at least mirror image be symmetrically arranged with the installation position of mounting light emitting device and Luminescent cases frame;
End face at the bottom of the said light reflection box and bottom surface mirror image at least are symmetrically arranged with the installation position that light reflecting device and light reflection box frame are installed.
2. a kind of monochromator according to claim 1 is characterized in that said light reflecting device comprises light-management members and the light partition member that will cut apart in proportion through the light that light-management members is handled;
Said light reflection box frame comprises the first box frame and the second box frame that is connected with the first box frame; Said light-management members is positioned at the first box frame; The light partition member is positioned at the second box frame, and the said second box frame is provided with reception and disperses end through the optical receiving end and the dispersion of the light of light-management members processing through the light of the light of light partition member processing.
3. a kind of monochromator according to claim 2 is characterized in that the side of said smooth partition member is provided with and the relative light entrance port of the said second box frame optical receiving end, and disperses the relative light of end to divide raw edge with the said second box frame light; Be provided with in the said smooth partition member light is injected through said smooth entrance port, and cut apart mirror from the light that light divides raw edge to penetrate.
4. a kind of monochromator according to claim 3 is characterized in that said light disperses end to comprise that transmittance end and light reflection end, said light divide raw edge to comprise light-transmissive port and light reflex port, and it is semi-permeable and semi-reflecting mirror that said light is cut apart mirror.
5. a kind of monochromator according to claim 3 is characterized in that the light partition member is a cavity; Said light disperses end to comprise transmittance end and light reflection end; Said smooth dispersion hole comprises transmittance hole and said cavity hatch bore, perhaps light reflection hole and said cavity hatch bore; It is semi-permeable and semi-reflecting mirror that said light is cut apart mirror.
6. a kind of monochromator according to claim 2; It is characterized in that said light-management members comprises light-reflecting components and the grating that the light through the light-reflecting components reflection is screened; Said grating comprises grating body and grating seat, and said grating body is installed on the grating seat;
Said light reflection box also comprises the Vidacare corp that drives the rotation of grating seat; Said Vidacare corp comprises screw mandrel, guide rod, is arranged on screw mandrel and the guide rod, walking slide block, lever arm, grating seat rotating shaft that is connected with the grating seat of on screw mandrel and guide rod, moving with the rotation of screw mandrel and the drive motor that is connected with screw mandrel one end;
One end of lever arm is connected with the rotating shaft of grating seat, and the end of the lever arm other end is the contact block that contacts with the walking slide block, establishes resilient torsion spring in the rotating shaft of said grating seat.
7. a kind of monochromator according to claim 6; It is characterized in that said Vidacare corp also comprises potentiometer, control circuit and display screen; Said screw mandrel is connected through gear set with potentiometer with respect to the end that drive motor connects; Potentiometer is connected with display screen through control circuit, and drive motor is connected with control circuit.
8. a kind of monochromator according to claim 2; It is characterized in that said light-management members comprises light-reflecting components and the grating that the light through the light-reflecting components reflection is screened; Said grating comprises grating body and grating seat, and said grating body is installed on the grating seat;
Said light reflection box also comprises and drives the manual driving device that the grating seat rotates, and said manual driving device comprises the rotating disk that is connected with the rotating shaft of grating seat, be located in manual dish at the bottom of the said light reflection box box and the driving-belt that is surrounded on rotating disk and manually coils.
9. a kind of monochromator according to claim 8 is characterized in that manually being carved with wave length calibration on the dish, manually coils a side and is provided with the wave length calibration indicator dog on installing at the bottom of the said light reflection box box.
10. a kind of monochromator according to claim 2; It is characterized in that the first crack sheet that the junction of said light reflection box and Luminescent cases is provided with first light hole and is made up of the first printing opacity crack part relative with first light hole and first shading light part, said first printing opacity crack width partly is smaller or equal to the first light hole width.
11. a kind of monochromator according to claim 10; It is characterized in that said light reflection box also comprises first driving mechanism that moves the first crack sheet; First driving mechanism comprises first screw mandrel, first guide rod and the first crack sheet motor that is set in parallel in the light reflection box frame; The said first crack sheet is installed in respectively on first screw mandrel and first guide rod through first feed screw nut and first guide rod hole that is arranged on the first crack sheet, and second screw mandrel, one end is connected with the first crack sheet motor output shaft.
12. a kind of monochromator according to claim 2; It is characterized in that said light disperses end to be the light dispersion hole; Said light reflection box is provided with the second crack sheet of being made up of the second printing opacity crack part relative with the light dispersion hole and second shading light part, and the width of said second printing opacity crack part is smaller or equal to light dispersion hole width.
13. a kind of monochromator according to claim 12; It is characterized in that said light reflection box also comprises second driving mechanism that moves the second crack sheet; Second driving mechanism comprises second screw mandrel, second guide rod and the second crack sheet motor that is set in parallel in the light reflection box frame; The said second crack sheet is installed in respectively on second screw mandrel and second guide rod through second feed screw nut and second guide rod hole that is arranged on the second crack sheet, and an end of said second screw mandrel is connected with the output shaft of the described second crack sheet motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010249947 CN102374898B (en) | 2010-08-10 | 2010-08-10 | Monochrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010249947 CN102374898B (en) | 2010-08-10 | 2010-08-10 | Monochrometer |
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| Publication Number | Publication Date |
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| CN102374898A true CN102374898A (en) | 2012-03-14 |
| CN102374898B CN102374898B (en) | 2013-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010249947 Expired - Fee Related CN102374898B (en) | 2010-08-10 | 2010-08-10 | Monochrometer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102621087A (en) * | 2012-03-23 | 2012-08-01 | 上海欣茂仪器有限公司 | Large plain film spectrum tester |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI821929B (en) * | 2022-03-03 | 2023-11-11 | 大陸商信泰光學（深圳）有限公司 | Monochromator and self-diagnosis method thereof |
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| US3144498A (en) * | 1961-02-23 | 1964-08-11 | Perkin Elmer Corp | High resolution filter-grating spectrometer |
| CN2457580Y (en) * | 2000-12-27 | 2001-10-31 | 中国科学院长春光学精密机械与物理研究所 | Concave surface raster monochromator with simplified small structure |
| CN201000364Y (en) * | 2006-09-14 | 2008-01-02 | 长春迪瑞实业有限公司 | Monochrometer |
| CN201476879U (en) * | 2009-09-07 | 2010-05-19 | 杭州远方光电信息有限公司 | Fast spectrum analysis system with synchronous scanning and sampling |
| CN201795860U (en) * | 2010-08-10 | 2011-04-13 | 陈建钢 | Monochromator |
-
2010
- 2010-08-10 CN CN 201010249947 patent/CN102374898B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3144498A (en) * | 1961-02-23 | 1964-08-11 | Perkin Elmer Corp | High resolution filter-grating spectrometer |
| CN2457580Y (en) * | 2000-12-27 | 2001-10-31 | 中国科学院长春光学精密机械与物理研究所 | Concave surface raster monochromator with simplified small structure |
| CN201000364Y (en) * | 2006-09-14 | 2008-01-02 | 长春迪瑞实业有限公司 | Monochrometer |
| CN201476879U (en) * | 2009-09-07 | 2010-05-19 | 杭州远方光电信息有限公司 | Fast spectrum analysis system with synchronous scanning and sampling |
| CN201795860U (en) * | 2010-08-10 | 2011-04-13 | 陈建钢 | Monochromator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102621087A (en) * | 2012-03-23 | 2012-08-01 | 上海欣茂仪器有限公司 | Large plain film spectrum tester |
| CN102621087B (en) * | 2012-03-23 | 2014-03-26 | 上海欣茂仪器有限公司 | Large plain film spectrum tester |
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| Publication number | Publication date |
|---|---|
| CN102374898B (en) | 2013-10-09 |
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