Manual monochromator

Abstract

The utility model discloses a manual monochromator, which relates to the field of monochromators and comprises a monochromator shell, the top of the monochromator shell is fixedly connected with a lamp chamber frame, a tungsten lamp is connected inside the front surface of the lamp chamber frame, the top of the rear surface of the lamp chamber frame is fixedly connected with a second reflective mirror, and the front surface of the lamp chamber frame is provided with a terminal. A light peeping hole is formed in the left side of the monochromator shell, a slit piece is fixedly connected to the top of the right side of the monochromator shell, a filter disc motor body is arranged at the bottom of the right side of the monochromator shell, and a filter disc body is fixedly installed on an output shaft of the filter disc motor body through a coupler. According to the monochromator system, light can be transmitted in a specific direction by arranging the slit piece, a light source can be conveniently and manually allocated by arranging the filter disc motor body and the wavelength knob, and the light can be efficiently utilized and focused by arranging the tungsten lamp and the second reflective mirror, so that more light can enter the monochromator system for subsequent processing.

Description

TECHNICAL FIELD

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

[0002] Monochromator is an important component of optical instrument, it can separate the light emitted by light source into the monochromatic light required, powerful, widely used optical device, it plays an indispensable role in scientific research and industrial applications;Existing monochromator when using, usually need to deploy light source, due to the complex structure of monochromator, thereby increasing monochromator debugging time long.

[0003] In order to overcome the above-mentioned defects, the prior art (application number: 201320245793.4, application date is May 8, 2013 Chinese patent) discloses a kind of ultraviolet visible spectrophotometer, the reflector of spectrophotometer is adjusted conveniently, and reflector is adjusted using stepper motor, adjustment is convenient, reliable, accurate, can be widely applied in organic chemistry, inorganic chemistry, biochemistry, life science, drug analysis, food inspection, medicine and health, petroleum, environmental protection, agriculture and other.

[0004] Although the prior art can adjust the light of spectrophotometer, although stepper motor is adjusted conveniently and reliably, but its adjustment precision and speed can be limited by motor performance and driving circuit, thereby improving the efficiency of light deployment, and light cannot be transmitted in specific direction.

[0005] Therefore we have proposed manual monochromator can be good to solve the above problems. SUMMARY

[0006] The utility model aims at providing a kind of manual monochromator, to solve the problem that the present spectrophotometer in the above background art when using, although stepper motor is adjusted conveniently and reliably, but its adjustment precision and speed can be limited by motor performance and driving circuit, thereby increasing the time length of light deployment, and light cannot be transmitted in specific direction.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a kind of manual monochromator, including monochromator shell, the top of the monochromator shell is fixedly connected with lamp chamber frame, the inside of the front of lamp chamber frame is connected with tungsten lamp, the top of the back of lamp chamber frame is fixedly connected with second reflector, the front of lamp chamber frame is provided with terminal;The left side of the monochromator shell is provided with peep hole, the top of the right side of the monochromator shell is fixedly connected with slit sheet, the bottom of the right side of the monochromator shell is provided with filter disc motor body, the output shaft of filter disc motor body is fixedly installed with filter disc body by shaft coupling, the inner wall of the right side of the monochromator shell is connected with limiting assembly at filter disc body bottom;The front of the monochromator shell is provided with the manual monochromator for adjusting light source, and the wavelength knob is located on the front of the monochromator shell.

[0008] As the preferred technical scheme of the application, the back of the wavelength knob is connected with a rotating rod, the rotating rod is fixedly installed with a rotating disc at the back, the back of the rotating disc is connected with a connecting assembly inside the monochromator shell, and the back of the connecting assembly is connected with a wavelength sensing assembly.

[0009] As the preferred technical scheme of the application, the right side of the connecting assembly is connected with a fan gear at the front of the wavelength sensing assembly, the inside of the fan gear is provided with a rotating shaft, and the end of the rotating shaft penetrates the monochromator shell, and the fan gear is fixedly installed with a grating at the right back.

[0010] As the preferred technical scheme of the application, the back of the left side of the monochromator shell is fixedly installed with a small reflector above the grating, and the back of the right side of the monochromator shell is fixedly installed with a first reflector.

[0011] As the preferred technical scheme of the application, the monochromator shell and the lamp chamber frame are in communication, and the bottom of the lamp chamber frame is provided with a through hole.

[0012] As the preferred technical scheme of the application, the connecting assembly and the monochromator shell are rotatably connected, and the connecting assembly and the wavelength sensing assembly are closely fitted between the connecting assembly and the wavelength sensing assembly.

[0013] As the preferred technical scheme of the application, the connecting assembly and the fan gear are in transmission connection, and the fan gear and the rotating disc are in rotation connection, and the fan gear is further rotated on the rotating shaft by the rotation of the connecting assembly.

[0014] Compared with the prior art, the manual monochromator has the advantages that the slit piece is arranged, the slit piece is designed to allow a certain amount of light to pass through the monochromator shell, but limits the diffusion range of the light, thereby helping to selectively transmit light in a specific direction, and providing a basis for subsequent spectral analysis.

[0015] 1. The slit piece is arranged, and the design of the slit piece allows a certain amount of light to pass through the monochromator shell, but limits the diffusion range of the light, thereby helping to selectively transmit light in a specific direction, and providing a basis for subsequent spectral analysis.

[0016] Further, the filter disc motor body and the wavelength knob are arranged, and the filter disc motor body, the filter disc body, the wavelength knob, the rotating rod, the rotating disc, the connecting assembly, the wavelength sensing assembly, the fan gear, the rotating shaft, the grating, the small reflector, the first reflector and the light peeping hole are cooperated with each other, so that the light source is conveniently manually adjusted.

[0017] 2. The tungsten lamp and the second reflector are arranged, and the tungsten lamp and the second reflector are cooperated with each other, so that the light is efficiently utilized and focused, and more light can enter the monochromator system for subsequent processing. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front view structural schematic diagram of the utility model;

[0019] Figure 2 It is a left view structural schematic diagram of the utility model;

[0020] Figure 3 It is a right view structural schematic diagram of the utility model;

[0021] Figure 4 It is a rear view structural schematic diagram of the utility model;

[0022] Figure 5 It is a rear view structural schematic diagram of the utility model monochromator shell partial section;

[0023] Figure 6 It is a partial structural schematic diagram of the utility model manual monochromator.

[0024] In the drawing: 1, monochromator shell; 2, light peeping hole; 3, filter disc motor body; 4, slit piece; 5, wavelength knob; 6, rotating rod; 7, rotating disc; 8, connecting assembly; 9, wavelength sensing assembly; 10, fan gear; 11, rotating shaft; 12, grating; 13, filter disc body; 14, small reflector; 15, limiting assembly; 16, first reflector; 17, lamp chamber frame; 18, tungsten lamp; 19, second reflector; 20, terminal. DETAILED DESCRIPTION

[0025] 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.

[0026] Please refer to Figures 1-6 The utility model provides the following technical schemes:

[0027] Embodiment one: in order to solve the problem that although the stepper motor is convenient and reliable in adjusting when the spectrophotometer on the market is used, the adjusting precision and speed can be limited by the motor performance and driving circuit, thereby increasing the time length of light source deployment, and specific direction transmission of light cannot be realized, the manual monochromator in the embodiment can refer to the accompanying drawings Figure 1 - accompanying Figure 6 The left side of the monochromator shell 1 is provided with a light peeping hole 2, the top of the right side of the monochromator shell 1 is fixedly connected with a slit sheet 4, the bottom of the right side of the monochromator shell 1 is provided with a filter disc motor body 3, the output shaft of the filter disc motor body 3 is fixedly installed with a filter disc body 13 through a shaft coupling, and the inner wall of the right side of the monochromator shell 1 is connected with a limiting assembly 15 at the bottom of the filter disc body 13; The front of the monochromator shell 1 is provided with a manual monochromator for adjusting the light source, and the manual monochromator comprises a wavelength knob 5, and the wavelength knob 5 is located on the front of the monochromator shell 1; The rear of the wavelength knob 5 is connected with a rotating rod 6, the rotating rod 6 is fixedly installed with a rotating disc 7 at the rear, the rear of the rotating disc 7 is connected with a connecting assembly 8 in the monochromator shell 1, and the rear of the connecting assembly 8 is connected with a wavelength sensing assembly 9; The front of the right side of the connecting assembly 8 is connected with a fan gear 10 above the wavelength sensing assembly 9, the inside of the fan gear 10 is provided with a rotating shaft 11, and the tail end of the rotating shaft 11 penetrates the monochromator shell 1, and the rear of the right side of the fan gear 10 is fixedly installed with a grating 12; The rear of the left side of the monochromator shell 1 is fixedly installed with a small reflector 14 above the grating 12, and the rear of the right side of the monochromator shell 1 is fixedly installed with a first reflector 16; The connecting assembly 8 and the monochromator shell 1 are rotationally connected, the connecting assembly 8 and the wavelength sensing assembly 9 are tightly attached, the connecting assembly 8 and the fan gear 10 are transmissionally connected, and the fan gear 10 and the rotating disc 7 are rotationally connected.

[0028] By the slit 4 is located on the right side of the top of the monochromator shell 1, it plays a role in the initial filtering light, the design of the slit 4 allows a certain amount of light through the monochromator shell 1, but limits the spread of light, thereby helping to selectively transmit light in a particular direction, providing the basis for subsequent spectral analysis, then, the filter disc motor body 3 drives the filter disc body 13 to rotate, through the filter disc body 13 contains a plurality of different wavelengths of filter or interference filter, when the filter disc body 13 rotates, different filters will be aligned in turn light path, thereby realizing the selection of different wavelengths of light, by the user manually rotating the wavelength knob 5 to set the wavelength of the manual monochromator to select the wavelength, the rotation of the wavelength knob 5 drives the connecting assembly 8 and the wavelength sensing assembly 9 connected with the rotating rod 6 and the rotating disc 7 to rotate, thereby the rotation of the connecting assembly 8 further drives the fan gear 10 to rotate on the rotating shaft 11, the wavelength sensing assembly 9 limits the angle of the rotating fan gear 10, to ensure the accuracy of the selected wavelength, the rotation of the fan gear 10 further drives the grating 12, the grating 12 is a key wavelength selection element, which can separate the light of a specific wavelength by diffraction and interference, so that the light of a specific wavelength separated out is then reflected and focused by the small mirror 14 and the first mirror 16, and finally output through the peephole 2, realizing the convenient manual deployment of light source.

[0029] Example two: efficient use and focusing of light, the manual monochromator in this embodiment, can refer to the attached Figure 1 -attached Figure 4 , including a monochromator shell 1, the top of the monochromator shell 1 is fixedly connected with a lamp chamber frame 17, the front of the lamp chamber frame 17 is internally connected with a tungsten lamp 18, the top of the back of the lamp chamber frame 17 is fixedly connected with a second mirror 19, and the front of the lamp chamber frame 17 is provided with a terminal 20; the monochromator shell 1 and the lamp chamber frame 17 are communicatively connected, and the bottom of the lamp chamber frame 17 is provided with a through hole.

[0030] The tungsten lamp 18 is installed in the lamp chamber frame 17 as a light source, when the tungsten lamp 18 is lit, it begins to emit white light, which contains a variety of wavelengths of light from ultraviolet to infrared, forming a continuous spectrum, so that the second mirror 19 reflects the white light and focuses the light into the monochromator shell 1, through reflection and focusing, the utilization efficiency and focusing effect of the light are optimized, so that more light can enter the monochromator system for subsequent processing.

[0031] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0032] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A manual monochromator, comprising a monochromator housing (1), a lamp chamber frame (17) fixedly connected to the top of the monochromator housing (1), a tungsten lamp (18) connected to the interior of the front side of the lamp chamber frame (17), a second reflector (19) fixedly connected to the top of the rear side of the lamp chamber frame (17), and a terminal (20) provided on the front side of the lamp chamber frame (17). Its features are: A viewing hole (2) is provided on the left side of the monochromator housing (1). A slit plate (4) is fixedly connected to the top right side of the monochromator housing (1). A filter disc motor body (3) is provided at the bottom right side of the monochromator housing (1). The output shaft of the filter disc motor body (3) is fixedly mounted to the filter disc body (13) via a coupling. A limit assembly (15) is connected to the bottom of the filter disc body (13) on the inner wall of the right side of the monochromator housing (1). The front of the monochromator housing (1) is provided with a manual monochromator for adjusting the light source. The manual monochromator includes a wavelength knob (5) located on the front of the monochromator housing (1).

2. A manual monochromator according to claim 1, characterized in that: A rotating rod (6) is connected to the back of the wavelength knob (5), and a turntable (7) is fixedly installed behind the rotating rod (6). A connecting component (8) is connected to the back of the turntable (7) inside the monochromator housing (1), and a wavelength sensing component (9) is connected to the back of the connecting component (8).

3. A manual monochromator according to claim 2, characterized in that: The right side of the connecting component (8) is connected to the front of the wavelength sensing component (9) with a sector gear (10). The inside of the sector gear (10) is provided with a rotating shaft (11), and the end of the rotating shaft (11) passes through the monochromator housing (1). A grating (12) is fixedly installed on the rear right side of the sector gear (10).

4. A manual monochromator according to claim 1, characterized in that: A small reflector (14) is fixedly installed on the rear left side of the monochromator housing (1) above the grating (12), and a first reflector (16) is fixedly installed on the rear right side of the monochromator housing (1).

5. A manual monochromator according to claim 1, characterized in that: The monochromator housing (1) and the lamp chamber frame (17) are connected, and the bottom of the lamp chamber frame (17) has a through hole.

6. A manual monochromator according to claim 2, characterized in that: The connecting component (8) is rotatably connected to the monochromator housing (1), and the connecting component (8) is tightly fitted to the wavelength sensing component (9).

7. A manual monochromator according to claim 3, characterized in that: The connecting component (8) is connected to the sector gear (10) by transmission, and the sector gear (10) is connected to the turntable (7) by rotation.

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