Automatic monochromator

Abstract

The utility model discloses an automatic monochromator, which belongs to the technical field of optical instruments and comprises a monochromator shell, the upper surface of the monochromator shell is in bolted connection with a lamp chamber frame, the surface of the monochromator shell is in bolted connection with an automatic wavelength motor, and the output end of the automatic wavelength motor is fixedly connected with a grating; the outer wall of the lamp chamber frame is in bolted connection with a deuterium lamp holder, and the outer wall of the lamp chamber frame is in bolted connection with a tungsten lamp holder; and the inner wall of the monochromator shell is fixedly connected with a reflecting mirror II. When the automatic monochromator is used, visible light enters the monochromator shell through the first slit piece, passes through the second reflecting mirror and the third reflecting mirror and is gathered on the optical grating, the optical grating divides the visible light into monochromatic light, then the monochromatic light goes out of the monochromator shell through the second slit piece, the operation process is fast and convenient, and the monochromatic light is emitted out of the monochromator shell through the first reflecting mirror and the first reflecting mirror. The device has an automatic light searching structure and is high in working efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical instrument technical field, concretely is a kind of automatic monochromator. BACKGROUND

[0002] An automatic monochromator is mainly used in an automatic monochromator, an automatic monochromator has incident slit, collimating element and dispersion element, also has focusing element box exit slit, an automatic monochromator is mainly used in chemical analysis, biomedical research and environmental monitoring, such as the ultraviolet-visible detector monochromator of application No.201010243699.6, when working, because lamp box is horizontal lamp box, when needing to replace tungsten lamp, just need to open the front panel and front sheet metal door panel of monochromator, can directly take down tungsten lamp;When replacing deuterium lamp, just need to unscrew two screws on deuterium lamp, i.e. extract deuterium lamp, realize simple and convenient lamp replacement operation;And, there is light transmission hole with holmium glass on filter disc, wavelength calibration work of monochromator can be carried out through holmium glass.

[0003] And in the use process, when operator needs to accurately adjust wavelength, it is difficult, and the monochromator in the above application does not have automatic light-seeking structure and automatic wavelength calibration structure in the use process, so the working efficiency is low, so we propose an automatic monochromator to solve the problems proposed above. SUMMARY

[0004] The utility model aims at providing an automatic monochromator to solve the problem of low working efficiency without automatic light-seeking structure and automatic wavelength calibration structure in the use process in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: an automatic monochromator, including monochromator shell, the surface bolted connection of monochromator shell has lamp chamber frame, and the surface bolted connection of monochromator shell has automatic wavelength motor, and the output end of automatic wavelength motor is fixedly connected with grating;The outer wall bolted connection of lamp chamber frame has deuterium lamp seat, and the outer wall bolted connection of lamp chamber frame has tungsten lamp seat;The inner wall fixedly connected of monochromator shell has reflector two, and the inner wall fixedly connected of monochromator shell has reflector three;The outer wall bolted connection of lamp chamber frame has reflector motor, and the output end of reflector motor is fixedly connected with reflector one.

[0006] Preferably, the surface of the deuterium lamp seat is fixedly connected with a deuterium lamp body, and the surface of the tungsten lamp seat is fixedly connected with a tungsten lamp body.

[0007] Preferably, the surface of the monochromator shell is fixedly connected with a slit piece one, and the upper surface of the monochromator shell is fixedly connected with a slit piece two, and the inner wall of the lamp chamber frame is bolted with a light shield.

[0008] Preferably, the inner wall of the lamp chamber frame is fixedly connected with a limiting assembly one, and the outer wall of the lamp chamber frame is fixedly connected with a terminal one, and the outer wall of the lamp chamber frame is fixedly connected with a terminal two.

[0009] Preferably, the outer wall of the monochromator shell is bolted with a filter disc motor, and the output end of the filter disc motor is fixedly connected with a filter disc body.

[0010] Preferably, the inner wall of the monochromator shell is fixedly connected with a limiting assembly two.

[0011] Preferably, the outer wall of the monochromator shell is provided with a light transmission hole.

[0012] Compared with the prior art, the automatic monochromator has the beneficial effects that:

[0013] In use, visible light enters the monochromator shell through the slit piece one, passes through the reflecting mirror two and the reflecting mirror three, and is concentrated on the grating, the grating divides the visible light into monochromatic light, and then the monochromatic light exits the monochromator shell through the slit piece two, the operation process is fast and convenient, and the device has an automatic light-seeking structure through the setting of the reflecting mirror motor and the reflecting mirror one, and the working efficiency is high.

[0014] Further, in the use process, an automatic wavelength motor and a grating are further arranged to form an automatic wavelength assembly, so that the device has an automatic wavelength function, and the overall flexibility of the device is improved, and the working efficiency is further improved.

[0015] In work, the deuterium lamp body provides an ultraviolet light source, which provides a suitable light source for the absorption characteristics of the substance in the ultraviolet light region.

[0016] Further, in the working process, the tungsten lamp body provides a visible light source, which plays a role in assisting near-infrared analysis.

[0017] Further, in work, the filter disc motor drives the filter disc body to work, the filter disc body can help to obtain a specific wavelength light and remove stray light, and the filter disc body also has the functions of realizing color change and color correction matching when working.

[0018] (3) The automatic monochromator, in the work of the monochromator shell, the light transmission hole plays a role in observation and debugging, and the technician can observe the light path inside the monochromator shell through the light transmission hole, and the light transmission hole also has a heat dissipation effect, which prevents the temperature inside the monochromator shell from being too high due to heat generated by the light source, thereby affecting the performance and stability of the instrument. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is monochromator shell and lamp room frame connection structure schematic view of the utility model;

[0020] Figure 2 It is monochromator shell and filter disc motor connection structure schematic view of the utility model;

[0021] Figure 3 It is lamp room frame and reflector motor connection structure schematic view of the utility model;

[0022] Figure 4 It is light transmission hole distribution state structure schematic view of the utility model;

[0023] Figure 5 It is slit sheet two distribution state structure schematic view of the utility model;

[0024] Figure 6 It is lamp room frame and reflector one connection structure schematic view of the utility model.

[0025] In the figure: 1, monochromator shell;2, lamp room frame;3, automatic wavelength motor;4, light shield;5, deuterium lamp body;6, tungsten lamp body;7, reflector one;8, limit assembly one;9, slit sheet one;10, filter disc motor;11, terminal one;12, terminal two;13, reflector motor;14, deuterium lamp seat;15, tungsten lamp seat;16, reflector two;17, grating;18, limit assembly two;19, filter disc body;20, reflector three;21, light transmission hole;22, slit sheet two. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0027] The utility model provides the following technical scheme: disclose a kind of automatic monochromator:

[0028] Embodiment one: by the reflector motor 13 and reflector one 7 of being set, make device have the structure of automatic light seeking, high work efficiency, still set up automatic wavelength motor 3 and grating 17, make device have the function of automatic wavelength, as shown in Figures 1-6 It includes monochromator shell 1, lamp room frame 2 is bolted on the upper surface of monochromator shell 1, and the surface of monochromator shell 1 is bolted with automatic wavelength motor 3, and the output end of automatic wavelength motor 3 is fixedly connected with grating 17;The outer wall of lamp room frame 2 is bolted with reflector motor 13, and the output end of reflector motor 13 is fixedly connected with reflector one 7.

[0029] In use, visible light enters the monochromator shell 1 through the slit sheet 9, passes through the mirror 2 16 and the mirror 3 20, and is concentrated on the grating 17. The grating 17 separates the visible light into monochromatic light, which then exits the monochromator shell 1 through the slit sheet 2 22. The operation process is quick and convenient. The device has an automatic light-seeking structure through the setting of the mirror motor 13 and the mirror 1 7, and has high working efficiency. In the working process, the automatic wavelength motor 3 and the grating 17 are also set to form an automatic wavelength assembly, so that the device has the function of automatic wavelength, thereby improving the flexibility of the device as a whole and further improving the working efficiency.

[0030] Example 2: Different from example 1, the deuterium lamp body 5 is provided to provide an ultraviolet light source, and the tungsten lamp body 6 is provided to provide a visible light source, as shown in Figures 1-4 The outer wall of the lamp chamber frame 2 is bolted with a deuterium lamp seat 14, and the outer wall of the lamp chamber frame 2 is bolted with a tungsten lamp seat 15. The inner wall of the monochromator shell 1 is fixedly connected with a mirror 2 16, and the inner wall of the monochromator shell 1 is fixedly connected with a mirror 3 20. The surface of the deuterium lamp seat 14 is fixedly connected with a deuterium lamp body 5, and the surface of the tungsten lamp seat 15 is fixedly connected with a tungsten lamp body 6.

[0031] The surface of the monochromator shell 1 is fixedly connected with a slit sheet 9, and the upper surface of the monochromator shell 1 is fixedly connected with a slit sheet 2 22. The inner wall of the lamp chamber frame 2 is bolted with a light shield 4, and the inner wall of the lamp chamber frame 2 is fixedly connected with a limiting assembly 1 8. The outer wall of the lamp chamber frame 2 is fixedly connected with a terminal 1 1, and the outer wall of the lamp chamber frame 2 is fixedly connected with a terminal 2 12. The outer wall of the monochromator shell 1 is bolted with a filter disc motor 10, and the output end of the filter disc motor 10 is fixedly connected with a filter disc body 19. The inner wall of the monochromator shell 1 is fixedly connected with a limiting assembly 2 18, and the outer wall of the monochromator shell 1 is provided with a light transmission hole 21.

[0032] In work, the deuterium lamp body 5 provides an ultraviolet light source, which provides a suitable light source for the absorption characteristics of substances in the ultraviolet light region. At the same time, in the working process, the tungsten lamp body 6 provides a visible light source, which plays a role in assisting near-infrared analysis. At the same time, in work, the filter disc motor 10 will drive the filter disc body 19 to work, and the filter disc body 19 can help to obtain a specific wavelength light and remove stray light. Moreover, the filter disc body 19 also has the effect of realizing color change and color correction matching when it works. When the monochromator shell 1 works, the light transmission hole 21 plays a role in observation and debugging. The technician can observe the light path inside the monochromator shell 1 through the light transmission hole 21. Moreover, the light transmission hole 21 also has the effect of heat dissipation, which prevents the temperature inside the monochromator shell 1 from being too high due to the heating of the light source, thereby affecting the performance and stability of the instrument.

[0033] The above is the working process of the entire device, and the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0034] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An automatic monochromator, comprising a monochromator shell (1), a lamp chamber frame (2) is bolted on the upper surface of the monochromator shell (1), an automatic wavelength motor (3) is bolted on the surface of the monochromator shell (1), and a grating (17) is fixedly connected to the output end of the automatic wavelength motor (3); Characterized in that: A deuterium lamp holder (14) is bolted on the outer wall of the lamp chamber frame (2), and a tungsten lamp holder (15) is bolted on the outer wall of the lamp chamber frame (2); A reflecting mirror two (16) is fixedly connected to the inner wall of the monochromator shell (1), and a reflecting mirror three (20) is fixedly connected to the inner wall of the monochromator shell (1); A reflecting mirror motor (13) is bolted on the outer wall of the lamp chamber frame (2), and a reflecting mirror one (7) is fixedly connected to the output end of the reflecting mirror motor (13).

2. An automatic monochromator according to claim 1, characterized in that: A deuterium lamp body (5) is fixedly connected to the surface of the deuterium lamp holder (14), and a tungsten lamp body (6) is fixedly connected to the surface of the tungsten lamp holder (15).

3. An automatic monochromator according to claim 1, characterized in that: A slit sheet one (9) is fixedly connected to the surface of the monochromator shell (1), a slit sheet two (22) is fixedly connected to the upper surface of the monochromator shell (1), and a light shield plate (4) is bolted on the inner wall of the lamp chamber frame (2).

4. An automatic monochromator according to claim 1, characterized in that: A limiting assembly one (8) is fixedly connected to the inner wall of the lamp chamber frame (2), a terminal one (11) is fixedly connected to the outer wall of the lamp chamber frame (2), and a terminal two (12) is fixedly connected to the outer wall of the lamp chamber frame (2).

5. An automatic monochromator according to claim 1, characterized in that: A filter disc motor (10) is bolted on the outer wall of the monochromator shell (1), and a filter disc body (19) is fixedly connected to the output end of the filter disc motor (10).

6. An automatic monochromator according to claim 1, characterized in that: A limiting assembly two (18) is fixedly connected to the inner wall of the monochromator shell (1).

7. An automatic monochromator according to claim 1, characterized in that: A light transmission hole (21) is formed on the outer wall of the monochromator shell (1).

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