CN206192507U - A automatic wavelength feedback device for among spectrophotometer - Google Patents
A automatic wavelength feedback device for among spectrophotometer Download PDFInfo
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- CN206192507U CN206192507U CN201621163920.6U CN201621163920U CN206192507U CN 206192507 U CN206192507 U CN 206192507U CN 201621163920 U CN201621163920 U CN 201621163920U CN 206192507 U CN206192507 U CN 206192507U
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- gear
- spectrophotometer
- feedback device
- synchromesh
- grating
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- 230000005540 biological transmission Effects 0.000 claims description 18
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 abstract description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- 239000007787 solid Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 238000001514 detection method Methods 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- -1 quality surveillance Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
A automatic wavelength feedback device for among spectrophotometer is including fixing base, grating, slewing mechanism, drive mechanism, actuating mechanism, power supply, rotation feedback element, control module, the power supply loops through actuating mechanism, drive mechanism, slewing mechanism and drives the grating of fixing at slewing mechanism and rotate, it is connected with drive mechanism to rotate the feedback element, control module connects rotation feedback element and power supply respectively, slewing mechanism rotationally installs on the fixing base. The advantage is that messenger's grating angle modulation is automatic, and ability timely feedback angle parameter, satisfies the experiment demand of different angle modulations, simple structure, the greatly reduced cost is fit for popularizing and applying on a large scale.
Description
Technical field
The utility model belongs to spectrometer device field, and in particular to a kind of auto-wave in spectrophotometer
Feedback device long.
Background technology
Spectrophotometer, is, by the light of complicated component, to be decomposed into the section of spectrum line also known as spectrometer (spectrometer)
Learn instrument.Spectrophotometer produces specific wavelength, can carry out the absorbance of solution, Transmissivity measurement；Spectral scan；Multi-wavelength
Test (can simultaneously carry out the test of multiple wavelength to material, analyze the correlation properties of material；Total phosphorus and total nitrogen can also be carried out
Test, Heavy metal, residues of pesticides test, food safety detection etc., are widely used in food, medicine, biological study, religion
Subject grinds, chemical, quality surveillance, water quality environmental protection and the various fields such as commodity inspection.The core component of spectrophotometer is grating,
Controlling the angle of grating can just adjust out different wavelength.
Existing spectrophotometer will manually adjust the angle of grating, and angle is determined from scale so as to draw experiment ginseng
Number, regulation not only troublesome poeration manually, and visually observe the design parameter for drawing and there is error, largely effect on experimental result
Accuracy rate.
Utility model content
The purpose of this utility model is the shortcoming for overcoming above-mentioned prior art, there is provided one kind can automatically adjust grating angle simultaneously
The adjusting means of feedback angle data.
In order to solve the above technical problems, the technical solution adopted in the utility model is as follows：
Automatic wavelength feedback device in for spectrophotometer, including fixed seat, grating, rotating mechanism, transmission mechanism,
Drive mechanism, power source, rotation feedback element, control module；Power source passes sequentially through drive mechanism, transmission mechanism, rotating machine
Structure drives the grating for being fixed on rotating mechanism to rotate；Feedback element is rotated to be connected with transmission mechanism；Control module connects turn respectively
Dynamic feedback element and power source；Rotating mechanism is installed in rotation in fixed seat.
Grating is driven to rotate and be acquired to rotation data by rotating feedback element by power source, by controlling mould
Block carries out treatment and changes into angle parameter, operates suitable intuitive and convenient；Angle parameter can also be set in control module in addition,
It is that control module control power source is closed, and reaches the effect for automatically adjusting angle when rotational angle reaches specified parameter.
Used as the improvement of scheme one, rotating mechanism includes sector gear piece, limited post, spring；Sector gear piece can be around it
Axis rotation ground is arranged in fixed seat, and the outer gear portion of sector gear piece is connected with transmission mechanism, and grating is fixed on sector
The axle center top of piece is taken turns, one is equipped with for spacing spacing of sector gear piece rotational angle in the two sides of sector gear piece
Post, spring one end is connected with sector gear piece one side, and the other end is fixed in fixed seat.
Using this kind of rotating mechanism, simple structure.Grating is limited after rotation in effective range, is also eliminated by spring
Back lash between gear, makes stable movement.
Used as the improvement of scheme two, transmission mechanism includes final drive shaft, counter drive shaft, first gear, second gear, the 3rd
Gear；Final drive shaft one end is connected with drive mechanism, and middle part is coaxially fixed with first gear, and the other end and the 3rd gear are coaxially solid
Fixed, the 3rd gear is engaged with the outer gear portion of sector gear piece；Second gear be coaxially fixed on counter drive shaft and with the first tooth
Wheel engagement；Counter drive shaft is connected with feedback element is rotated.
Used as the improvement of scheme three, drive mechanism includes the first synchromesh gear, the second synchromesh gear, Timing Belt, power source
It is stepper motor；First synchromesh gear is coaxially mounted on the output shaft of stepper motor, and the second synchromesh gear is coaxially mounted to master
Power transmission shaft is connected with the second synchromesh gear away from one end of the 3rd gear, the first synchromesh gear by Timing Belt.
Used as the improvement of scheme three, the gearratio of sector gear piece and the 3rd gear is 1:6；First gear and second gear
Gearratio be 1:4.
Used as the improvement of scheme four, the gearratio of the second synchromesh gear and the first synchromesh gear is 1:4.
Used as the improvement of any one of scheme one to six, it is adjustable resistance or tunable capacitor to rotate feedback element.Using adjustable
Resistance or tunable capacitor, not only data reflection is sensitive, and conversion is convenient, and simple structure, substantially reduces cost.
The utility model has the advantages that：Grating angle is set to adjust automation, and the timely feedback angle parameter of energy,
Meet the experiment demand of different angular adjustments；Simple structure, substantially reduces cost, is suitable for large-scale promotion and application.
Brief description of the drawings
Fig. 1 be it is of the present utility model for spectrophotometer in automatic wavelength feedback device structure principle chart.
Fig. 2 be it is of the present utility model for spectrophotometer in automatic wavelength feedback device schematic perspective view.
Fig. 3 be it is of the present utility model for spectrophotometer in automatic wavelength feedback device side schematic view.
Description of reference numerals：1st, fixed seat, 2, grating, 3, rotating mechanism, 4, transmission mechanism, 5, drive mechanism, 6, power
Source, 7, rotate feedback element, 8, sector gear piece, 9, limited post, 10, spring, 11, outer gear portion, 12, final drive shaft, 13, secondary
Power transmission shaft, 14, first gear, 15, second gear, the 16, the 3rd gear, the 17, first synchromesh gear, the 18, second synchromesh gear,
19th, Timing Belt.
Specific embodiment
Embodiment
As shown in Figure 1 to Figure 3, for spectrophotometer in automatic wavelength feedback device, including fixed seat 1, grating 2,
Rotating mechanism 3, transmission mechanism 4, drive mechanism 5, power source 6, rotation feedback element 7, control module；Power source 6 is passed sequentially through
Drive mechanism 5, transmission mechanism 4, rotating mechanism 3 drive the grating 2 for being fixed on rotating mechanism 3 to rotate；Rotate feedback element 7 and pass
Motivation structure 4 is connected；Control module connects rotation feedback element 7 and power source 6 respectively；Rotating mechanism 3 is installed in rotation on solid
In reservation 1.
Rotating mechanism 3 includes sector gear piece 8, limited post 9, spring 10；Sector gear piece 8 can pacify around its axis rotation
In fixed seat 1, the outer gear portion 11 of sector gear piece 8 is connected with transmission mechanism 4, and grating 2 is fixed on sector gear piece 8
Axle center top, one is equipped with for the spacing limited post 9 of the rotational angle of sector gear piece 8 in the two sides of sector gear piece 8,
The one end of spring 10 is connected with the one side of sector gear piece 8, and the other end is fixed in fixed seat 1.
Transmission mechanism 4 includes final drive shaft 12, counter drive shaft 13, first gear 14, second gear 15, the 3rd gear 16；
The one end of final drive shaft 12 is connected with drive mechanism 5, and middle part is coaxial with first gear 14 fixed, and the other end is coaxial with the 3rd gear 16
Fixed, the 3rd gear 16 is engaged with the outer gear portion 11 of sector gear piece 8；Second gear 15 is coaxially fixed on counter drive shaft 13
And engaged with first gear 14；Counter drive shaft 13 is connected with feedback element 7 is rotated.
Drive mechanism 5 includes the first synchromesh gear 17, the second synchromesh gear 18, Timing Belt 19, and power source 6 is stepping electricity
Machine；First synchromesh gear 17 is coaxially mounted on the output shaft of stepper motor, and the second synchromesh gear 18 is coaxially mounted to main transmission
Axle 12 is connected with the second synchromesh gear 18 away from one end of the 3rd gear 16, the first synchromesh gear 17 by Timing Belt 19.
The gearratio of the gear 16 of sector gear piece 8 and the 3rd is 1:6；First gear 14 is with the gearratio of second gear 15
1:4.The gearratio of the second synchromesh gear 18 and the first synchromesh gear 17 is 1:4.
Rotation feedback element 7 is adjustable resistance, and adjustable resistance is coaxially connected with counter drive shaft 13.
Above-listed detailed description is directed to illustrating for the utility model possible embodiments, and the embodiment is simultaneously not used to limitation
The scope of the claims of the present utility model, all equivalence enforcements or change without departing from carried out by the utility model are intended to be limited solely by this case
In the scope of the claims.
Claims (7)
1. the automatic wavelength feedback device being used in spectrophotometer, it is characterised in that：Including fixed seat, grating, rotating mechanism,
Transmission mechanism, drive mechanism, power source, rotation feedback element, control module；Described power source pass sequentially through drive mechanism,
Transmission mechanism, rotating mechanism drive the grating for being fixed on rotating mechanism to rotate；Feedback element is rotated to be connected with transmission mechanism；Control
Module connects rotation feedback element and power source respectively；Described rotating mechanism is installed in rotation in fixed seat.
2. it is according to claim 1 for spectrophotometer in automatic wavelength feedback device, it is characterised in that：Described
Rotating mechanism includes sector gear piece, limited post, spring；Described sector gear piece can be arranged on around its axis rotation and fix
On seat, the outer gear portion of sector gear piece is connected with transmission mechanism, and described grating is fixed on the axle center top of sector gear piece,
One is equipped with for the spacing limited post of sector gear piece rotational angle, described spring one in the two sides of sector gear piece
End is connected with sector gear piece one side, and the other end is fixed in fixed seat.
3. it is according to claim 2 for spectrophotometer in automatic wavelength feedback device, it is characterised in that：Described
Transmission mechanism includes final drive shaft, counter drive shaft, first gear, second gear, the 3rd gear；Described final drive shaft one end with
Drive mechanism is connected, and middle part coaxially fixes with first gear, and the other end is coaxially fixed with the 3rd gear, described the 3rd gear and
The outer gear portion engagement of described sector gear piece；Described second gear is coaxially fixed on counter drive shaft and and first gear
Engagement；Described counter drive shaft is connected with feedback element is rotated.
4. it is according to claim 3 for spectrophotometer in automatic wavelength feedback device, it is characterised in that：Described
Drive mechanism includes the first synchromesh gear, the second synchromesh gear, Timing Belt, and described power source is stepper motor；Described
One synchromesh gear is coaxially mounted on the output shaft of stepper motor, and the second described synchromesh gear is coaxially mounted to described main biography
Moving axis is connected with the second synchromesh gear away from one end of the 3rd gear, the first described synchromesh gear by Timing Belt.
5. it is according to claim 3 for spectrophotometer in automatic wavelength feedback device, it is characterised in that：Described
The gearratio of sector gear piece and the 3rd gear is 1:6；First gear is 1 with the gearratio of second gear:4.
6. it is according to claim 4 for spectrophotometer in automatic wavelength feedback device, it is characterised in that：Described
The gearratio of the second synchromesh gear and the first synchromesh gear is 1:4.
7. according to any one of claim 1 to 6 for spectrophotometer in automatic wavelength feedback device, its feature exists
In：Described rotation feedback element is adjustable resistance or tunable capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621163920.6U CN206192507U (en) | 2016-10-24 | 2016-10-24 | A automatic wavelength feedback device for among spectrophotometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621163920.6U CN206192507U (en) | 2016-10-24 | 2016-10-24 | A automatic wavelength feedback device for among spectrophotometer |
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| Publication Number | Publication Date |
|---|---|
| CN206192507U true CN206192507U (en) | 2017-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621163920.6U Active CN206192507U (en) | 2016-10-24 | 2016-10-24 | A automatic wavelength feedback device for among spectrophotometer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107961541A (en) * | 2017-12-26 | 2018-04-27 | 连云港市亚桥机械制造有限公司 | A kind of manned running device automatic type safety Crowbar Pressing |
| CN109187402A (en) * | 2018-10-19 | 2019-01-11 | 上海美谱达仪器有限公司 | A kind of spectrophotometer grating drive system |
| CN109724916A (en) * | 2018-12-18 | 2019-05-07 | 中国科学院国家天文台南京天文光学技术研究所 | Positioning and clamping mechanism equipped with flexible contact link spectrometer pattern switching |
-
2016
- 2016-10-24 CN CN201621163920.6U patent/CN206192507U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107961541A (en) * | 2017-12-26 | 2018-04-27 | 连云港市亚桥机械制造有限公司 | A kind of manned running device automatic type safety Crowbar Pressing |
| CN109187402A (en) * | 2018-10-19 | 2019-01-11 | 上海美谱达仪器有限公司 | A kind of spectrophotometer grating drive system |
| CN109724916A (en) * | 2018-12-18 | 2019-05-07 | 中国科学院国家天文台南京天文光学技术研究所 | Positioning and clamping mechanism equipped with flexible contact link spectrometer pattern switching |
| CN109724916B (en) * | 2018-12-18 | 2021-07-13 | 中国科学院国家天文台南京天文光学技术研究所 | Positioning and clamping mechanism with flexible contact link for spectrometer mode switching |
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| CP01 | Change in the name or title of a patent holder |
Address after: 510070 Building 34, No. 100 Xianlie Middle Road, Yuexiu District, Guangzhou City, Guangdong Province Patentee after: GUANGDONG INSTITUTE OF ANALYSIS (CHINA NATIONAL ANALYTICAL CENTER, GUANGZHOU) Address before: 510070 Building 34, No. 100 Xianlie Middle Road, Yuexiu District, Guangzhou City, Guangdong Province Patentee before: CHINA NATIONAL ANALYTICAL CENTER, GUANGZHOU |
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| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: No. 100, building No. 34, No. 100, martyr Middle Road, Guangdong, Guangdong Patentee after: Institute of testing and analysis, Guangdong Academy of Sciences (Guangzhou analysis and testing center, China) Address before: 510070 Building 34, No. 100 Xianlie Middle Road, Yuexiu District, Guangzhou City, Guangdong Province Patentee before: GUANGDONG INSTITUTE OF ANALYSIS (CHINA NATIONAL ANALYTICAL CENTER, GUANGZHOU) |
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| CP03 | Change of name, title or address |