CN212111108U - Polarimeter wavelength adjusting device - Google Patents
Polarimeter wavelength adjusting device Download PDFInfo
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- CN212111108U CN212111108U CN202020350772.9U CN202020350772U CN212111108U CN 212111108 U CN212111108 U CN 212111108U CN 202020350772 U CN202020350772 U CN 202020350772U CN 212111108 U CN212111108 U CN 212111108U
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- position sensor
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Abstract
The utility model discloses a polarimeter wavelength adjusting device, which comprises a support, a turntable, a plurality of filters, a synchronous belt wheel, a motor, an upper position sensor, a lower position sensor, a light source passing device and a polarizer; the center of the rotary table is connected with a rotating shaft, the rotating shaft is connected with a motor through a synchronous belt pulley, the motor is fixed on the support, and the rotary table is vertical to the horizontal plane; the upper position sensor is fixed above the support, the lower position sensor is fixed below the support, the upper position sensor is located on the back of the rotary table, the upper position sensor is not in contact with the rotary table, the top of the upper position sensor is located above the middle of the rotary table, and the lower position sensor is located right below the lowest point of the rotary table. The utility model discloses an polarimeter wavelength adjusting device can the automatically regulated location, realizes the switching of wavelength, improves measurement accuracy, realizes the rapid survey.
Description
Technical Field
The utility model relates to the field of machine manufacturing, in particular to polarimeter wavelength adjusting device.
Background
A polarimeter is an instrument for measuring the optical rotation of an optically active substance. Mechanical engineering is the primary subject of its application, and optical instruments are the secondary subjects. By measuring the optical rotation of the sample, the concentration, content, purity, etc. of the substance can be analytically determined. It can be widely used in the industrial production, scientific research and teaching departments of pharmacy, drug inspection, sugar production, food, spice, monosodium glutamate, chemical industry, petroleum, etc., and is used for the control of assay analysis or process quality.
At present, the accurate multi-wavelength detection of the polarimeter in China is few, the polarimeter is detected by a monochromatic light source and cannot completely meet the requirement, a multi-wavelength detection device can quickly switch the wavelength and accurately adjust the central position of the wavelength, the measurement accuracy of the polarimeter is improved, and the filter is adjusted manually by domestic manufacturers in the past, so that the position is difficult to adjust.
There is a need for a polarimeter wavelength adjusting device capable of automatically adjusting positioning and measuring accuracy of the device to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an polarimeter wavelength adjusting device, the utility model discloses an polarimeter wavelength adjusting device can the automatically regulated location, realizes the switching of wavelength, improves measurement accuracy, realizes the rapid survey.
The utility model discloses a solve above-mentioned technical problem through following technical scheme:
the utility model provides a polarimeter wavelength adjusting device, which comprises a support, a turntable, a plurality of filters, a synchronous belt wheel, a motor, an upper position sensor, a lower position sensor, a light source passing device and a polarizer; the center of the rotary table is connected with a rotating shaft, the rotating shaft is connected with the motor through the synchronous belt pulley, the motor is fixed on the support, and the rotary table is vertical to the horizontal plane; the upper position sensor is fixed above the support, the lower position sensor is fixed below the support, the upper position sensor is positioned at the back of the turntable, the upper position sensor is not in contact with the turntable, the top of the upper position sensor is positioned above the middle of the turntable, and the lower position sensor is positioned right below the lowest point of the turntable; the light source passing device is fixed on the front surface of the support and is provided with a light source passing hole; the optical filters are fixed on the turntable, the distance between every two adjacent optical filters on the turntable is the same, and a positioning device is arranged on the edge of the turntable where the optical filters are located; the polarizer is fixed on the back of the support, and the light source is concentric with the polarizer through the hole and the filter.
In the utility model, the support is used for fixing and installing other components, and the support is conventional in the field;
preferably, the support includes a horizontal fixing plate and a vertical mounting plate, the lower position sensor is fixed on the horizontal fixing plate, the light source passing device, the upper position sensor and the polarizer are fixed on the vertical mounting plate, and the horizontal fixing plate and the vertical mounting plate are of an integrated structure.
The utility model discloses in, the carousel is used for bearing the weight of the filter, and realizes the rotation of filter, the carousel is the conventional structure of changeing of dish in this field.
In the present invention, the optical filter is used for switching the wavelength of the detection light source, and the structure of the optical filter is conventional in the art;
preferably, the number of the optical filters on the turntable is 8, the optical filters are distributed on the turntable at equal intervals, the wavelength of the light source which can penetrate through the optical filters is 350-880 nm, and the rapid switching from ultraviolet light to infrared light can be realized.
The utility model discloses in, synchronous pulley is used for driving the carousel rotates, synchronous pulley is the conventionality in this field.
The utility model discloses in, the pivot is used for realizing the rotation of carousel, the pivot is this field conventionality.
In the utility model, the motor is used for providing power for the synchronous belt pulley, and the motor is conventional in the field;
preferably, the polarimeter wavelength adjusting device further comprises a motor base, the motor base is fixed on the support, and the motor is mounted on the motor base.
In the utility model, the upper position sensor is a conventional position sensor in the field and is used for calculating the return-to-zero position; the lower position sensor is a position sensor conventional in the art for calculating the angle.
In the utility model, the light source passing device is used for passing the light source, and the light source passing device is conventional in the field;
preferably, the polarimeter wavelength adjusting device further comprises a light source passing plate, the light source passing plate is fixed to the light source passing plate in a penetrating mode, the light source passing plate is fixed to the support through a screw, and the light source passing plate is parallel to the rotary table.
The utility model discloses in, positioner is used for realizing that upper portion position sensor and lower part position sensor are right the location of light filter, positioner is for erecting the groove structure.
In the present invention, the polarizer is used to generate polarized light, and the polarizer is conventional in the art.
The utility model discloses a polarimeter wavelength adjusting device's use flow does, and the light source passes through the light source and carries out the optical rotation through device, filter and polarizer and detect, according to specific demand, drives synchronous pulley through the motor and rotates, further drives the carousel and rotates again, according to upper portion position sensor and the required filter position in lower part position sensor location.
The utility model discloses an actively advance the effect: the utility model discloses an polarimeter wavelength adjusting device can the automatically regulated location, realizes the switching of wavelength, improves measurement accuracy, realizes the rapid survey.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a front view of a polarimeter wavelength tuning device according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a wavelength adjusting device of a polarimeter according to an embodiment of the present invention;
fig. 3 is a top view of a polarimeter wavelength adjusting device according to an embodiment of the present invention.
Description of reference numerals:
1. a turntable; 11. A filter;
12. a rotating shaft; 13. A positioning device;
14. a light source passing plate; 15. A screw;
16. the light source passes through the hole; 17. A light source passing device;
21. an upper position sensor; 22. A lower position sensor;
3. a support; 4. A motor;
5. a synchronous pulley; 6. A polarizer.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1, 2 and 3, the present embodiment provides a polarimeter wavelength adjusting apparatus, including a support 3, a turntable 1, 8 filters 11, a synchronous pulley 5, a motor 4, an upper position sensor 21, a lower position sensor 22, a light source passing device 17, a polarizer 6; the center of the turntable 1 is connected with a rotating shaft 12, the rotating shaft 12 is connected with a motor 4 through a synchronous belt pulley 5, the motor 4 is fixed on the support 3, and the turntable 1 is vertical to the horizontal plane; the upper position sensor 21 is fixed above the support 3, the lower position sensor 22 is fixed below the support 3, the upper position sensor 21 is positioned at the back of the turntable 1, the upper position sensor 21 is not in contact with the turntable 1, the top of the upper position sensor 21 is positioned at the middle upper part of the turntable 1, and the lower position sensor 22 is positioned right below the lowest point of the turntable 1; the light source is fixed on the front surface of the support 3 through a device 17, and a light source through hole 16 is formed in the light source through device 17; the optical filters 11 are fixed on the turntable 1, the distance between two adjacent optical filters 11 on the turntable 1 is the same, and a positioning device 13 is arranged on the edge of the turntable 1 where the optical filters 11 are located; a polarizer 6 is fixed to the back of the holder 3 and the light source is concentric with the polarizer 6 through the aperture 16 and the filter 11.
In the embodiment, the support 3 is used for fixedly mounting other components; the support 3 comprises a horizontal fixing plate and a vertical mounting plate, wherein a lower position sensor 22 is fixed on the horizontal fixing plate, a light source passing device 17, an upper position sensor 21 and a polarizer 6 are fixed on the vertical mounting plate, and the horizontal fixing plate and the vertical mounting plate are of an integrated structure.
In this embodiment, the turntable 1 is used for carrying the optical filter 11 and realizing the rotation of the optical filter 11.
In this embodiment, the optical filter 11 is used to switch the wavelength of the detection light source; the optical filters 11 are distributed on the turntable 1 at equal intervals, the wavelength of the light source transmitted by the optical filters 11 is 350-880 nm, and the rapid switching from ultraviolet light to infrared light can be realized.
In this embodiment, the synchronous pulley 5 is used to drive the turntable 1 to rotate.
In this embodiment, the rotating shaft 12 is used to rotate the turntable 1.
In this embodiment, the motor 4 is used to power the synchronous pulley 5.
In this embodiment, the upper position sensor 21 is used to calculate the null position; the lower position sensor 22 is used to calculate the angle.
In the present embodiment, the light source passing device 17 is used for passing the light source; the wavelength adjusting device of the light instrument comprises a light source passing plate 14, a light source passing device 17 is penetratingly fixed on the light source passing plate 14, the light source passing plate 14 is fixed on the support 3 through a screw 15, and the light source passing plate 14 is parallel to the rotary table 1.
In this embodiment, the positioning device 13 is used to position the optical filter 11 by the upper position sensor 21 and the lower position sensor 22, and the positioning device 13 has a vertical slot structure.
In the present embodiment, the polarizer 6 is used to generate polarized light.
The usage flow of the polarimeter wavelength adjusting device in this embodiment is that a light source detects the optical rotation through the light source passing device 17, the optical filter 11 and the polarizer 6, and according to specific requirements, the motor 4 drives the synchronous pulley 5 to rotate, and further drives the turntable 1 to rotate, and the required position of the optical filter 11 is located according to the upper position sensor 21 and the lower position sensor 22.
The polarimeter wavelength adjusting device of the embodiment can automatically adjust and position, realize wavelength switching, improve measurement accuracy and realize quick measurement.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A wavelength adjusting device of a polarimeter is characterized by comprising a support, a turntable, a plurality of filters, a synchronous pulley, a motor, an upper position sensor, a lower position sensor, a light source passing device and a polarizer; the center of the rotary table is connected with a rotating shaft, the rotating shaft is connected with the motor through the synchronous belt pulley, the motor is fixed on the support, and the rotary table is vertical to the horizontal plane; the upper position sensor is fixed above the support, the lower position sensor is fixed below the support, the upper position sensor is positioned at the back of the turntable, the upper position sensor is not in contact with the turntable, the top of the upper position sensor is positioned above the middle of the turntable, and the lower position sensor is positioned right below the lowest point of the turntable; the light source passing device is fixed on the front surface of the support and is provided with a light source passing hole; the optical filters are fixed on the turntable, the distance between every two adjacent optical filters on the turntable is the same, and a positioning device is arranged on the edge of the turntable where the optical filters are located; the polarizer is fixed on the back of the support, and the light source is concentric with the polarizer through the hole and the filter.
2. The polarimeter wavelength adjusting apparatus according to claim 1, wherein said support comprises a horizontal fixing plate on which said lower position sensor is fixed and a vertical mounting plate on which said light source passing means, said upper position sensor and said polarizer are fixed, said horizontal fixing plate and said vertical mounting plate being of an integral structure.
3. The polarimeter wavelength adjusting apparatus according to claim 1, wherein the number of the optical filters on the turntable is 8, the optical filters are distributed on the turntable at equal intervals, and the wavelength of the light source transmitted through the optical filters is adjustable to 350 to 880 nm.
4. The polarimeter wavelength tuning device of claim 1, wherein said polarimeter wavelength tuning device comprises a motor mount, said motor mount being fixed to said support, said motor being mounted on said motor mount.
5. The polarimeter wavelength tuning device of claim 1, wherein said polarimeter wavelength tuning device comprises a light source pass-through plate, said light source pass-through device is through-fixed to said light source pass-through plate, said light source pass-through plate is fixed to said support by screws, and said light source pass-through plate is parallel to said turntable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020350772.9U CN212111108U (en) | 2020-03-19 | 2020-03-19 | Polarimeter wavelength adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020350772.9U CN212111108U (en) | 2020-03-19 | 2020-03-19 | Polarimeter wavelength adjusting device |
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| Publication Number | Publication Date |
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| CN212111108U true CN212111108U (en) | 2020-12-08 |
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| CN202020350772.9U Active CN212111108U (en) | 2020-03-19 | 2020-03-19 | Polarimeter wavelength adjusting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114778462A (en) * | 2022-06-20 | 2022-07-22 | 天津恒达文博科技股份有限公司 | Multispectral camera imaging system based on historical relic image data collection |
-
2020
- 2020-03-19 CN CN202020350772.9U patent/CN212111108U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114778462A (en) * | 2022-06-20 | 2022-07-22 | 天津恒达文博科技股份有限公司 | Multispectral camera imaging system based on historical relic image data collection |
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