CN201434727Y - Rapid wavelength scanning mechanism - Google Patents
Rapid wavelength scanning mechanism Download PDFInfo
- Publication number
- CN201434727Y CN201434727Y CN2009201860828U CN200920186082U CN201434727Y CN 201434727 Y CN201434727 Y CN 201434727Y CN 2009201860828 U CN2009201860828 U CN 2009201860828U CN 200920186082 U CN200920186082 U CN 200920186082U CN 201434727 Y CN201434727 Y CN 201434727Y
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- China
- Prior art keywords
- leading screw
- scanning mechanism
- wavelength scanning
- grating
- base
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Abstract
The utility model discloses a rapid wavelength scanning mechanism which comprises a base, an optical grating scale, a connecting plate, a lead rail pair and a screw rod wavelength scanning mechanism,wherein the optical grating scale, the lead rail pair and the screw rod wavelength scanning mechanism are installed on the base; the optical grating scale and the lead rail pair are parallel to a screw rod of the screw rod wavelength scanning mechanism; a sliding head of the optical grating scale, a sliding block of the lead rail pair and a moving part of the screw rod wavelength scanning mechanism are connected with one another by the connecting plates; and one end of the connecting plate is fixed on the sliding head of the optical grating scale, the middle part thereof is connected to the sliding block of the lead rail pair, and the other end thereof is rigidly connected with the moving part of the screw rod wavelength scanning mechanism. The rapid wavelength scanning mechanism can be used for rapidly and accurately locating the wavelength, and greatly improves the working efficiency. Furthermore, the mechanism reduces the abrasion for the moving part, prolongs the service life of aninstrument and reduces the maintaining cost.
Description
Technical field:
The utility model relates generally to atomic absorption spectrophotometer (AAS), particularly a kind of quick Wavelength scanning mechanism.
Background technology:
Atomic absorption spectrophotometer (AAS) can be used for fields such as medical treatment, metallurgy, chemical industry, food and carry out trace and trace element analysis, especially in the medical field to the assay of elements such as the lead of blood of human body, cadmium.As the core component of atomic absorption spectrophotometer (AAS), the performance of monochromator has very important influence to the performance of whole instrument, and the length scanning speed in the monochromator has great influence to the detection speed of instrument.The length scanning of existing atomic absorption spectrophotometer (AAS) adopts leading screw Wavelength scanning mechanism (referring to accompanying drawing one, accompanying drawing two), it adopts open loop control mode, during each scanning, nut all will come back to zero point, and then moves to working position roughly, finely tunes peak-seeking again, it is chronic that whole like this process spends, simultaneously also quicken the wearing and tearing of parts, shortened the serviceable life of instrument, increased maintenance cost.
Summary of the invention:
The utility model purpose is in order to remedy the defective of prior art, to provide a kind of energy Wavelength scanning mechanism quick, that accurately locate.
The technical scheme that the utility model technical solution problem is adopted is:
A kind of quick Wavelength scanning mechanism, comprise base, the grating chi, web joint, guideway, the leading screw Wavelength scanning mechanism, has a base, described leading screw Wavelength scanning mechanism, the center has a rotating shaft, rotating shaft is installed on the base, the rotating shaft upper end is equipped with rotatable grating platform, be installed with grating on the grating platform, described grating platform lower end is fixedly connected with swing arm, and swing arm one end is connected to grating platform lower end, the other end is connected to spring strut by extension spring, the leading screw frame is installed on the base, and leading screw frame top is equipped with leading screw, and stepper motor also is installed on the base, stepper motor is connected to leading screw by synchronous belt drive mechanism, also be installed with the rolling platform on the leading screw frame, described leading screw has screwed togather nut, and described nut side has little axle, be with bearing on the little axle, bearing is conflicted on the rolling platform, and the nut upper end is installed with baffle plate, and described baffle plate is conflicted on the protruding block of swing arm lower end; Described grating chi, guideway all are parallel to each other with the leading screw of leading screw Wavelength scanning mechanism and are installed on the base; The nut of the slide head of grating chi, the slide block of guideway, leading screw Wavelength scanning mechanism is connected by web joint: web joint one end is fixed on the slide head of grating chi, pars intermedia is connected on the slide block of guideway, and the other end and lowering the curtain of leading screw Wavelength scanning mechanism are rigidly connected.Compared with the prior art, the beneficial effects of the utility model are embodied in:
The utility model can carry out the wavelength location rapidly, accurately, has improved work efficiency greatly.The utility model reduces the wearing and tearing of moving component, in the serviceable life of the instrument of raising, has reduced the cost of safeguarding.
Description of drawings:
Accompanying drawing 1 is the front view of leading screw Wavelength scanning mechanism structural representation.
Accompanying drawing 2 is the vertical view of leading screw Wavelength scanning mechanism structural representation.
Accompanying drawing 3 is a structural representation of the present utility model.
Number in the figure: 1 leading screw frame, 2 nuts, 3 baffle plates, 4 rolling platforms, 5 leading screws, 6 stepper motors, 7 synchronous belt drive mechanisms, 8 bearings, 9 little axles, 10 extension springs, 11 spring struts, 12 grating platforms, 13 grating chis, 14 web joints, 15 guideways, 16 leading screw Wavelength scanning mechanisms
Embodiment:
Referring to accompanying drawing 3, present embodiment is made of grating chi 13, web joint 14, guideway 15, leading screw Wavelength scanning mechanism 16.A kind of quick Wavelength scanning mechanism, comprise base, grating chi 13, web joint 14, guideway 15, leading screw Wavelength scanning mechanism 16, it is characterized in that: have a base, described leading screw Wavelength scanning mechanism 16, the center has a rotating shaft, rotating shaft is installed on the base, the rotating shaft upper end is equipped with rotatable grating platform 12, be installed with grating on the grating platform 12, described grating platform 12 lower ends are fixedly attached to swing arm, and swing arm one end is connected to grating platform lower end, the other end is connected to spring strut 11 by extension spring 10, leading screw frame 1 is installed on the base, and leading screw frame 1 top is equipped with leading screw 5, and stepper motor 6 also is installed on the base, stepper motor 6 is connected to leading screw 5 by synchronous belt drive mechanism 7, also be installed with rolling platform 4 on the leading screw frame 1, described leading screw 5 has screwed togather nut 2, and described nut 2 sides have little axle 9, be with bearing 8 on the little axle 9, bearing 8 is conflicted on rolling platform 4, and nut 1 upper end is installed with baffle plate 3, and described baffle plate 3 is conflicted on the protruding block of swing arm lower end; Described grating chi 13, guideway 15 all are parallel to each other with the leading screw 5 of leading screw Wavelength scanning mechanism 16 and are installed on the base, the nut 2 of the slide block of the slide head of grating chi 13, guideway 15, leading screw Wavelength scanning mechanism 16 is connected by web joint 14, web joint 14 1 ends are fixed on the slide head of grating chi 13, pars intermedia is connected on the slide block of guideway 15, and the nut 2 of the other end and leading screw Wavelength scanning mechanism is rigidly connected.
When the stepper motor 6 of leading screw Wavelength scanning mechanism (referring to accompanying drawing 1, accompanying drawing 2) rotates, drive leading screw 5 rotations by synchronous belt drive mechanism 7, promotion nut 2 and baffle plate 3, bearing 8, little axle 9 mounted thereto move together, thereby drive web joint 14 same moved further, web joint 14 drives the slide block of guideway 15 and the same together moved further of slide head of grating chi 13 (moves to the B point as nut among the figure from the A point, mobile Δ X, the slide head of grating chi moves to solid line position from dotted line position, also mobile Δ X), by grating chi outgoing position signal.
Claims (1)
1, a kind of quick Wavelength scanning mechanism, comprise base, the grating chi, web joint, guideway, the leading screw Wavelength scanning mechanism, it is characterized in that: have a base, described leading screw Wavelength scanning mechanism, the center has a rotating shaft, rotating shaft is installed on the base, the rotating shaft upper end is equipped with rotatable grating platform, be installed with grating on the grating platform, described grating platform lower end is fixedly connected with swing arm, and swing arm one end is connected to grating platform lower end, the other end is connected to spring strut by extension spring, the leading screw frame is installed on the base, and leading screw frame top is equipped with leading screw, and stepper motor also is installed on the base, stepper motor is connected to leading screw by synchronous belt drive mechanism, also be installed with the rolling platform on the leading screw frame, described leading screw has screwed togather nut, and described nut side has little axle, be with bearing on the little axle, bearing is conflicted on the rolling platform, and the nut upper end is installed with baffle plate, and described baffle plate is conflicted on the protruding block of swing arm lower end; Described grating chi, guideway all are parallel to each other with the leading screw of leading screw Wavelength scanning mechanism and are installed on the base; The nut of the slide head of grating chi, the slide block of guideway, leading screw Wavelength scanning mechanism is connected by web joint: web joint one end is fixed on the slide head of grating chi, pars intermedia is connected on the slide block of guideway, and the other end and lowering the curtain of leading screw Wavelength scanning mechanism are rigidly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201860828U CN201434727Y (en) | 2009-06-24 | 2009-06-24 | Rapid wavelength scanning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201860828U CN201434727Y (en) | 2009-06-24 | 2009-06-24 | Rapid wavelength scanning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201434727Y true CN201434727Y (en) | 2010-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201860828U Expired - Lifetime CN201434727Y (en) | 2009-06-24 | 2009-06-24 | Rapid wavelength scanning mechanism |
Country Status (1)
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| CN (1) | CN201434727Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964744A (en) * | 2015-07-01 | 2015-10-07 | 天津市德力电子仪器有限公司 | High-resolution grating spectrometer structure for optical fiber communication |
| CN105333957A (en) * | 2015-11-24 | 2016-02-17 | 四川双利合谱科技有限公司 | Hyperspectral imaging system capable of realizing linear scanning of rotating mirror |
| CN107588852A (en) * | 2017-10-20 | 2018-01-16 | 北京普析通用仪器有限责任公司 | Length scanning positioner |
| 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 |
| CN113714116A (en) * | 2021-08-31 | 2021-11-30 | 无锡火眼睛睛科技发展有限公司 | Code scanning device and method |
-
2009
- 2009-06-24 CN CN2009201860828U patent/CN201434727Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964744A (en) * | 2015-07-01 | 2015-10-07 | 天津市德力电子仪器有限公司 | High-resolution grating spectrometer structure for optical fiber communication |
| CN105333957A (en) * | 2015-11-24 | 2016-02-17 | 四川双利合谱科技有限公司 | Hyperspectral imaging system capable of realizing linear scanning of rotating mirror |
| CN105333957B (en) * | 2015-11-24 | 2017-07-21 | 四川双利合谱科技有限公司 | It is a kind of to realize the Hyperspectral imager of tilting mirror linear scan |
| CN107588852A (en) * | 2017-10-20 | 2018-01-16 | 北京普析通用仪器有限责任公司 | Length scanning positioner |
| 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 |
| CN113714116A (en) * | 2021-08-31 | 2021-11-30 | 无锡火眼睛睛科技发展有限公司 | Code scanning device and method |
| CN113714116B (en) * | 2021-08-31 | 2023-03-10 | 无锡火眼睛睛科技发展有限公司 | Code scanning device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ANHUI WANYI SCIENCE AND?TECHNOLOGY CO., LTD. Free format text: FORMER NAME: HEFEI WANYI TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Tianda high tech Zone 230031 Hefei Road, Anhui province No. 71 Huayi Science Park building B building Anhui instrument Patentee after: Anhui Wanyi Science and Technology Co., Ltd. Address before: Tianda high tech Zone 230031 Hefei Road, Anhui province No. 71 Huayi Science Park building B building Anhui instrument Patentee before: Hefei Wanyi Technology Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100331 |
|
| CX01 | Expiry of patent term |